Felipe Machado
UFLA - Federal University of Lavras, Biology, Department Member
- Ecology of Small Mammals, Biology, Community Ecology, Population ecology, Road Ecology, Brazilian Law, and 25 moreEnvironmental Impact Assessment, Ecology, Composition, Rodentia, Didelphimorphia, Environmental Impact Studies, Richness, Brazil, Legislation, Fauna, Conservation Unit, Habitat Heterogeneity, Different Phytophysiognomies, Diversity, Chapada Das Perdizes, High Altitude, Bats (Mammalogy), Conservation Biology, International Law, Systematics (Taxonomy), Mammalogy, Microhabitat, Microhabitat Preference, Microhabitat Use, and Wildlife Conservationedit
Environmental conditions can change markedly over geographical distances along elevation gradients, making them natural laboratories to study the processes that structure communities. This work aimed to assess the influences of elevation... more
Environmental conditions can change markedly over geographical distances along elevation gradients, making them natural laboratories to study the processes that structure communities. This work aimed to assess the influences of elevation on Tropical Montane Cloud Forest plant communities in the Brazilian Atlantic Forest, a historically neglected ecoregion. We evaluated the phylogenetic structure, forest structure (tree basal area and tree density) and species richness along an elevation gradient, as well as the evolutionary fingerprints of elevation-success on phylogenetic lineages from the tree communities. To do so, we assessed nine communities along an elevation gradient from 1210 to 2310 m a.s.l. without large elevation gaps. The relationships between elevation and phylogenetic structure, forest structure and species richness were investigated through Linear Models. The occurrence of evolutionary fingerprint on phylogenetic lineages was investigated by quantifying the extent of phylogenetic signal of elevation-success using a genus-level molecular phylogeny. Our results showed decreased species richness at higher elevations and independence between forest structure, phylogenetic structure and elevation. We also verified that there is a phylogenetic signal associated with elevation-success by lineages. We concluded that the elevation is associated with species richness and the occurrence of phylogenetic lineages in the tree communities evaluated in Mantiqueira Range. On the other hand, elevation is not associated with forest structure or phylogenetic structure. Furthermore, closely related taxa tend to have their higher ecological success in similar elevations. Finally, we highlight the fragility of the tropical montane cloud forests in the Mantiqueira Range in face of environmental changes (i.e. global warming) due to the occurrence of exclusive phylogenetic lineages evolutionarily adapted to environmental conditions (i.e. minimum temperature) associated with each elevation range.
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A crescente demanda por alternativas de operacionalização do gerenciamento dos recursos naturais fez da Valoração Econômica Ambiental (VEA) alvo de pesquisas multidisciplinares. Por ser um tema novo exige, para efetividade da proposta,... more
A crescente demanda por alternativas de operacionalização do gerenciamento dos recursos naturais fez da Valoração Econômica Ambiental (VEA) alvo de pesquisas multidisciplinares. Por ser um tema novo exige, para efetividade da proposta, que as pesquisas tratem da aplicação das metodologias para a identificação de problemas e soluções capazes de otimizar a VEA afim de torná-la uma ferramenta eficaz e consistente. Nesse contexto, este trabalho analisou o cenário da pesquisa brasileira e verificou a natureza do que vem sido abordado nos trabalhos revisados por pares que tratam da VEA. A análise foi feita por meio de uma revisão sistemática onde extraiu-se os trabalhos que continham os termos de busca “Valoração” e “Recursos Hídricos” na plataforma de busca científica Google Acadêmico para analisá-los, mensurá-los e identificar quantos deles cumpriram com a proposta de valorar o bem recurso hídrico, através da aplicação das metodologias adequadas para a captação dos componentes de valor ...
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Os solos das regiões tropicais apresentam baixo teor de fósforo. Algumas espécies de aves permanecem em determinados locais por extenso período, formando grandes populações e ninhais, onde suas fezes acumulam no solo. O objetivo deste... more
Os solos das regiões tropicais apresentam baixo teor de fósforo. Algumas espécies de aves permanecem em determinados locais por extenso período, formando grandes populações e ninhais, onde suas fezes acumulam no solo. O objetivo deste estudo foi avaliar o teor de fósforo no solo, nas áreas de influência de um ninhal de Bulbucus ibis (B. ibis), no sul do estado de Minas Gerais. Coletas foram realizadas em seis áreas, três sob a influência de ninhal e outras três sem essa influência. O fósforo, analisado por testes Kruskal-Wallis, mostrou diferença significativa com maiores concentrações de P remanescente somente para as áreas sob influência do ninhal. Sugerem-se mais estudos dos processos de interação animal-solo para esclarecimento das vias ainda desconhecidas do ciclo biogeoquímico do elemento fósforo, de forma que haja potencialização da sua utilização nas diferentes áreas cultiváveis.
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The Amazon presents an arc of deforestation which has expanded into natural areas and bird community studies in these areas are incipient for urban landscapes after transformation. Therefore, the bird community in an urban landscape in... more
The Amazon presents an arc of deforestation which has expanded into natural areas and bird community studies in these areas are incipient for urban landscapes after transformation. Therefore, the bird community in an urban landscape in the southwest Amazonian region within an area in the arc of deforestation was investigated. The observations were performed through linear transects, during the wet and dry seasons of 2013. Records were obtained using binoculars and cameras. A total of 191 species of birds were recorded. The species accumulation curve was not reaching the asymptote, showing that new species can be recorded with a sampling effort increase. The community has low richness as a result of pressure on Amazonian environments and a high degree of anthropization. However, there is relevant composition, because nectarivores, insectivorous, carnivores, omnivores, and granivores were found in all environments, as well as endemic and threatened species.
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This study aimed to investigate tourist concessions around the world and their main effects. To do so, we explored the descriptive information according to specific variables and the existing balance between positive and negative effects.... more
This study aimed to investigate tourist concessions around the world and their main effects. To do so, we explored the descriptive information according to specific variables and the existing balance between positive and negative effects. We found that the concessions fulfill their economic role through the development of tourist activity, but they have deficiencies in social, environmental and procedural parameters. The most significant positive effect especially concerns the economy and tourism. On the other hand, the negative social effect showed a higher percentage and is related to the lack of partnership with the community. Most concession types are strictly linked to tourism by large companies. The local population is not fully included in the processes or considered partners, and they only participate in the provision of services. We also found an imbalance between positive and negative effects, with evidence of inconsistency in the processes. The processes considered incons...
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Deformidades em bico de aves já são bem relatados em outros continentes. No continente Americano, ainda esses dados apresentam uma linha tênue. O bico influencia desde o forrageamento até na transferência genética aos descedentes. No... more
Deformidades em bico de aves já são bem relatados em outros continentes. No continente Americano, ainda esses dados apresentam uma linha tênue. O bico influencia desde o forrageamento até na transferência genética aos descedentes. No Brasil são descritos estudo em aproximadamente 35 espécies de aves nativas. Nesse estudo foi apresentado o primeiro relato de deformidade estrutural no bico de Tachyphonus rufus. Foi observada deformidade em ambos os maxilares superior e inferior para T. rufus.
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Exploratory human activities have resulted in small fragments inserted into a matrix which is inhospitable to small non-flying mammals. The effects of landscape changes alter the distribution patterns of species. Landscape fragmentation... more
Exploratory human activities have resulted in small fragments inserted into a matrix which is inhospitable to small non-flying mammals. The effects of landscape changes alter the distribution patterns of species. Landscape fragmentation patterns for small mammals are controversial, especially considering small fragments and ecotonal regions. Based on these arguments, we investigated the diversity patterns of small mammals in small fragments in the ecotonal Cerrado/Atlantic Forest region. A total of 24 fragments (<40 ha) were studied using tomahawk, sherman and pitfall traps. We found low species richness (11 species, six marsupials and five rodents), which was not expected because it is an ecotonal region. It was verified that composition and community structure are simplified by the marked presence of generalist species and with the increase of species turnover. The small forest fragments present a microhabitat structure with lianas and streams as main environmental filters of g...
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The Cerrado biome is the second largest natural vegetation type existing in Brazil after the Amazon, covering 91% of the State of Tocantins, with 30% of the territory changed as a result of the expansion of economic development areas. The... more
The Cerrado biome is the second largest natural vegetation type existing in Brazil after the Amazon, covering 91% of the State of Tocantins, with 30% of the territory changed as a result of the expansion of economic development areas. The substitution of natural vegetation means habitat loss on species, and may put the survival of medium and large-sized mammal species under extinction risk. These species represent significant energy demands and high requirements of area within the habitat. This study aims to assess the species composition and the frequency of use of physiognomic types of vegetation by medium and large-sized mammals. The study was conducted from 2001 to 2011 using a set of complementary and alternative techniques in fragments of seven different physiognomic types of vegetation. Fourth-seven medium and large-sized mammals were registered. This record corresponds to 92% of species already described within the biome, and five additional species to those registered in th...
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Brazil has a high diversity of birds and presents the largest number of threatened bird species in the neotropical region. Even so, there are gaps in the bird knowledge, especially in ecotonal montane regions. Given this panorama, this... more
Brazil has a high diversity of birds and presents the largest number of threatened bird species in the neotropical region. Even so, there are gaps in the bird knowledge, especially in ecotonal montane regions. Given this panorama, this study aimed to analyse the bird community distribution (richness, composition, and beta diversity between phytophysiognomies) of an ecotonal montane landscape of southeastern Brazil, with the purpose of detecting substitution patterns of bird species on a meso-scale. Using bird data performed during the years 1998 to 2015 in 46 sampling points, we found high bird richness in montane phytophysiognomies along an ecotone between Cerrado and Atlantic Forest hotspots. The composition present species of both domains, with high turnover component. We highlight the field environments and candeais are considered homogeneous and threathened, which would directly affect birds. The present study contributes to future conservation strategies, as it demonstrates ec...
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O território brasileiro possui a segunda maior diversidade de espécies de aves do planeta. No entanto, as ações humanas têm influenciado significativamente os ambientes montanhosos que abrigam as principais aves brasileiras ameaçadas de... more
O território brasileiro possui a segunda maior diversidade de espécies de aves do planeta. No entanto, as ações humanas têm influenciado significativamente os ambientes montanhosos que abrigam as principais aves brasileiras ameaçadas de extinção. Portanto, o objetivo deste estudo foi (i) avaliar a comunidade de aves em campos rupestres de um ecossistema montano do ecótono Mata Atlântica-Cerrado; (ii) medir as perdas de áreas de campo a partir de análises temporais de imagens de satélite; e (iii) analisar as espécies de aves ameaçadas, principalmente a variação sazonal. O estudo foi realizado em uma área localizada em um ecossistema montano situado em uma região ecotonal entre dois hotspots globais de biodiversidade, a Mata Atlântica e o Cerrado. Um total de 45 espécies e 357 indivíduos foram registrados nos campos rupestres, e as famílias mais representativas foram Thraupidae e Tyrannidae. Além disso, identificamos uma diminuição nas áreas de campo rupestre por mudanças na cobertura...
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Pequenos mamiferos sao elementos potenciais para avaliar os impactos da mineracao, porque ocupam posicoes-chave nas redes alimentares e podem ser amostrados usando metodos relativamente baratos, faceis e rapidos. Eles tem sido utilizados... more
Pequenos mamiferos sao elementos potenciais para avaliar os impactos da mineracao, porque ocupam posicoes-chave nas redes alimentares e podem ser amostrados usando metodos relativamente baratos, faceis e rapidos. Eles tem sido utilizados como indicadores ambientais para diversos fins, como gradientes de sucessao ecologica, poluicao, entre outros. No entanto, pouco e mencionado sobre a bioacumulacao na America do Sul. Nosso objetivo e apresentar os resultados de um teste realizado com um pequeno marsupial da especie Gracilinanus microtarsus (J. A. Wagner, 1842), no qual foi concluido que o conteudo de metais pesados encontrados nos tecidos do animal apresentou diferencas quando comparado a outro individuo da mesma especie proveniente de uma area sem influencia de metais pesados. Com esses resultados, procuramos incentivar a comunidade cientifica a realizar mais pesquisas nessa linha, pouco mencionada na literatura da America do Sul e incipiente para o Brasil.
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Distribution patterns in the biomes are being modifi ed by direct effects as modifi cation of size and shape of forests, availability of resources, conditions, as well as indirect effects that infl uence the interactions at different... more
Distribution patterns in the biomes are being modifi ed by direct effects as modifi cation of size and shape of forests, availability of resources, conditions, as well as indirect effects that infl uence the interactions at different taxonomic levels. Exploratory action on the Cerrado and Atlantic Forest have resulted in the formation of small relict forest fragments inserted in matrix that makes it impossible to seedlings dispersion of vegetation and movement of small mammals hindering the understanding of these distribution patterns.. The situation is even more worrying for ecotone environments between these domains by the lack of information. So, this book chapter presents a briefl y review about forest conservation aspects and microhabitat structure to small mammals with the objective of elucidate the effects of the modifi cations caused by humans on the environment. Here we concluded that the Brazilian domains are sharply reduced and endangered. And these aspects results in a different microhabitat structure that generate a simpler small mammal community.
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Studies about the birds of rupestrian fields in the south of Minas Gerais State in Southeastern Brazil are incomplete, although this region is ornithologically well studied. This bird community has closely associated ecology with fields... more
Studies about the birds of rupestrian fields in the south of Minas Gerais State in Southeastern Brazil are incomplete, although this region is ornithologically well studied. This bird community has closely associated ecology with fields and the most endangered species of the Cerrado domain. The objective of this manuscript is to create a list of birds which occur in the rupestrian fields of seven municipalities in the south of Minas Gerais State, and further to analyze the birds’ distribution, the endangered species (and their conservation status), and generate bases for future conservation actions. We evaluated seven cities in the south of Minas Gerais State between 2012 and 2018 by using binoculars and cameras. We found a high richness in relation to other open areas, with the Tyrannidae and Trochilidae families being the most representative. We highlight the endangered species in the Cerrado domain which of these species are closely linked to rupestrian fields. The composition is...
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Recent compiled papers demonstrate several gaps in occurrence records and distribution limits mainly due to information deficiency, hindering the management and planning of preservation and conservation efforts. Therefore, the objective... more
Recent compiled papers demonstrate several gaps in occurrence records and distribution limits mainly due to information deficiency, hindering the management and planning of preservation and conservation efforts. Therefore, the objective of this study is to present and analyze new records of four Neotropical Primates species: Callicebus moloch, Mico emiliae, Ateles marginatus and Cebus (Sapajus) libidinosus. Data collection was assessed by interviews, census on pre-existing trails and direct observations. The expeditions took place in the cities of Pains (Minas Gerais state), Serra do Salitre (Minas Gerais state) and Guarantã do Norte (Mato Grosso state). Mico emilie, C. moloch and A. marginatus were recorded in Guarantã do Norte and C. libidinosus was recorded in Serra do Salitre and Pains. A small expansion of occurrence area to C. libidinosus was observed. We recommend new mammal inventories in order to understand the faunal diversity in these areas and propose new conservation ac...
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A temperatura e umidade relativa (UR) são dois parâmetros abióticos que influenciam na ocorrência de diferentes espécies, corroborando com trabalhos de flutuações sazonais populacionais, e alterações na composição de comunidades. Porém,... more
A temperatura e umidade relativa (UR) são dois parâmetros abióticos que influenciam na ocorrência de diferentes espécies, corroborando com trabalhos de flutuações sazonais populacionais, e alterações na composição de comunidades. Porém, existem poucos estudos que correlacionam esses fatores com riqueza e abundância de pequenos mamíferos terrestres em fitofisionomias de elevada altitude. Portanto, este trabalho teve o objetivo de analisar a influência da UR e temperatura do ar sobre a riqueza e abundância dos pequenos mamíferos terrestres em três diferentes fitofisionomias: campo natural montano, florestas semideciduais e florestas nebulares, na Chapada das Perdizes, sudeste brasileiro. Foram utilizadas armadilhas de chapa (Sherman), arame (Tomahawk) e queda (Pitfall) em conjunto com termo higrômetros em fitofisionomias de elevada altitude na Chapada das Perdizes, sudeste brasileiro. A temperatura e umidade relativa não diferiram entre os ambientes florestais montanos e não influenci...
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The scientific literature mentions that neotropical birds of the family Psittacidae have some tendencies to natural and artificial changes in its plumage colours. In studies of plumage aberrant of the parrots were categorized six terms:... more
The scientific literature mentions that neotropical birds of the family Psittacidae have some tendencies to natural and artificial changes in its plumage colours. In studies of plumage aberrant of the parrots were categorized six terms: albinism, eritrism, leucism, xantocroism, cyanism and melanism. We present a rare case of erythrism in species of Brazilian native parrot [Psittacara. leucophthalmus (Statius Muller, 1776)]; therefore, there is only a report of this type of aberrant plumage for Amazona aestiva (Linnaeus, 1758) and for an African species of the genus Agapornis, thus highlighting the importance of this record.
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The bird diversity is threatened and many studies have been focusing on preservation and conservation efforts. For example, Wildlife Protected Areas are created in order to protect this diversity, however, just few areas have been... more
The bird diversity is threatened and many studies have been focusing on preservation and conservation efforts. For example, Wildlife Protected Areas are created in order to protect this diversity, however, just few areas have been created, which increases the need of private initiatives to support the environment conservation challenge. The Quedas do Rio Bonito Ecological Park is a protected area located in south of Minas Gerais state, Brazil. Herein, we present the median richness when compared to others studies in southeastern Brazil, as well as richness estimative of the understory stratum, seasonal variations and similarities among areas. Therefore, this paper presents arguments to assist future conservation studies since the knowledge on community in different areas is primordial when comparing the environment conditions in Biological Conservation projects.
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Trabalhos descritivos que visam reportar a ocorrência de espécies da mastofauna são de grande importância, uma vez que fornecem subsídios para a construção de práticas conservacionistas. Contudo, no Brasil, muitas áreas ainda carecem de... more
Trabalhos descritivos que visam reportar a ocorrência de espécies da mastofauna são de grande importância, uma vez que fornecem subsídios para a construção de práticas conservacionistas. Contudo, no Brasil, muitas áreas ainda carecem de estudos e uma dessas é a mesorregião do Campo das Vertentes. O presente trabalho objetivou reunir e apresentar registros de mamíferos de médio e grande porte coligidos ao longo dos últimos seis anos. Os registros aqui reportados resultaram de encontros ocasionais ocorridos durante inventários da fauna, com foco em outros grupos, conduzidos entre 2009 e 2014. No total foram encontradas 19 espécies pertencentes a seis ordens: Artiodactila (2 espécies); Carnívora (9 espécies); Lagomorpha (1 espécie); Primates (4 espécies); Rodentia (2 espécies); Cingulata (1 espécie). Embora esteja sob intensa pressão antrópica, a área de estudo abriga espécies importantes do ponto de vista ecológico e conservacionista, a exemplo da onça-pintada (Panthera onca), predado...
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Camera traps became the main observational method of a myriad of species over large areas. Data sets from camera traps can be used to describe the patterns and monitor the occupancy, abundance, and richness of wildlife, essential... more
Camera traps became the main observational method of a myriad of species over large areas. Data sets from camera traps can be used to describe the patterns and monitor the occupancy, abundance, and richness of wildlife, essential information for conservation in times of rapid climate and land-cover changes. Habitat loss and poaching are responsible for historical population losses of mammals in the Atlantic Forest biodiversity hotspot, especially for medium to large-sized species. Here we present a data set from camera trap surveys of medium to large-sized native mammals (>1 kg) across the Atlantic Forest. We compiled data from 5380 ground-level camera trap deployments in 3046 locations, from 2004 to 2020, resulting in 43,068 records of 58 species. These data add to existing data sets of mammals in the Atlantic Forest by including dates of camera operation needed for analyses dealing with imperfect detection. We also included, when available, information on important predictors of detection, namely the camera brand and model, use of bait, and obstruction of camera viewshed that can be measured from example pictures at each camera location. Besides its application in studies on the patterns and mechanisms behind occupancy, relative abundance, richness, and detection, the data set presented here can be used to study species' daily activity patterns, activity levels, and spatiotemporal interactions between species. Moreover, data can be used combined with other data sources in the multiple and expanding uses of integrated population modeling. An R script is available to view summaries of the data set. We expect that this data set will be used to advance the knowledge of mammal assemblages and to inform evidence-based solutions for the conservation of the Atlantic Forest. The data are not copyright restricted; please cite this paper when using the data.
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Highways eliminate the diversity of animals due to roadkill, altering ecological patterns. The expansion of the road network lags behind the advancements in the field. The situation is worse for country lane, which are neglected by public... more
Highways eliminate the diversity of animals due to roadkill, altering ecological patterns. The expansion of the road network lags behind the advancements in the field. The situation is worse for country lane, which are neglected by public managers since they do not have shoulder not proper mowing. The influence of the lack of road shoulders and the periodic mowing on wildlife roadkill remains unknown. Therefore, this study aimed to evaluate if the lack of road shoulders and periodic mowing influences the number of roadkill. Then, the diversity of road-killed vertebrates in road LMG-878 was described, as well as their seasonality. The roadkill of highway MG-265 were compared with road shoulder and periodic mowing, and LMG-878, which has no road shoulder and no periodic mowing. T-tests with total values were used, as well as the data relativized by the sampling effort to verify this difference. The LMG-878 was analyzed with species accumulation curves, an estimator of richness to verify the potential for roadkill and seasonality. The comparison with other reports of roadkill was performed using the indices described in the literature. Thus, the highways without shoulders and without periodic mowing have higher occurrences of roadkill. The LMG-878 had 83 cases of roadkill, which included 25 cases for amphibians, 28 for birds, 25 for mammals, and five for reptiles. The diversity of wildlife killed on roads may be even greater than what was found since the estimates of roadkill did not reach stability. The implementation of speed reducers or fauna passages to the places with the highest rates of roadkill is recommended.
Research Interests: Zoology, Ecology, Birds (Ecology), Mammals, Road Ecology, and 4 moreLizards, FROGS, Road-Kill, and Road Kill Ecology
According to the literature, transition areas, border regions, and the edges of ecological systems where plant and/or animal communities share common elements are considered ecotones. The bird commonly known as the king-of-tangarás is a... more
According to the literature, transition areas, border regions, and the edges of ecological systems where plant and/or animal communities share common elements are considered ecotones. The bird commonly known as the king-of-tangarás is a hybrid between the Chiroxiphia caudata species, endemic to the Atlantic Forest, and the endemic bird of the Cerrado domain, Antilophia galeata. This study compiles and analyzes the recorded areas of this bird. Based on the findings, the objective of this work is to highlight the king-of-tangarás as an indicator of ecotonal regions.
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Forests serve various functions, such as ecological balance, environmental structuring, climate regulation, and social and economic importance. Actions as deforestation, fires, pollution, among others, are increasingly frequent,... more
Forests serve various functions, such as ecological balance, environmental structuring, climate regulation, and social and economic importance. Actions as deforestation, fires, pollution, among others, are increasingly frequent, endangering resources for future generations. The objective was to analyze aspects of fauna and flora, as well as the conservation and socio-environmental preservation of Floresta Estadual de Batatais. The methodology involved conducting a bibliographic survey on the flora, fauna, and hydrology, as well as administering questionnaires to assess the park's importance for the social environment. The park is frequented by the public for physical exercise, leisure, and seeking tranquility. Nevertheless, problemas such as fires, improper waste disposal, and debris in the forest have arisen. These circumstances compromise biodiversity and contribute to visual pollution. Addressing these problems is crucial and emphasizes the need for effective management to protect and conserve this historical and cultural heritage.
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Os solos das regiões tropicais apresentam baixo teor de fósforo. Algumas espécies de aves permanecem em determinados locais por extenso período, formando grandes populações e ninhais, onde suas fezes acumulam no solo. O objetivo deste... more
Os solos das regiões tropicais apresentam baixo teor de fósforo. Algumas espécies de aves permanecem em determinados locais por extenso período, formando grandes populações e ninhais, onde suas fezes acumulam no solo. O objetivo deste estudo foi avaliar o teor de fósforo no solo nas áreas de influência de um ninhal de Bulbucus ibis (B. ibis), no sul do estado de Minas Gerais. Coletas foram realizadas em seis áreas, três sob a influência de ninhal e outras três sem essa influência. O fósforo, analisado por testes Kruskal-Wallis, mostrou diferença significativa com maiores concentrações de P remanescente somente para as áreas sob influência do ninhal. Sugerem-se mais estudos dos processos de interação animal-solo para esclarecimento das vias ainda desconhecidas do ciclo biogeoquímico do elemento fósforo, de forma que haja potencialização da sua utilização nas diferentes áreas cultiváveis.
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Os primatas do gênero Sapajus vivem em todos os tipos de florestas neotropicais, sendo conhecidos como generalistas que forrageiam de forma oportunista. Durante estudos de campo no sudeste brasileiro, foi registrada a predação de larvas... more
Os primatas do gênero Sapajus vivem em todos os tipos de florestas neotropicais, sendo conhecidos como generalistas que forrageiam de forma oportunista. Durante estudos de campo no sudeste brasileiro, foi registrada a predação de larvas de insetos (provavelmente Coleópteros) alojados nas folhas secas da planta exótica Yucca guatemalensis por primatas Sapajus nigritus. Este relato contribui com o conhecimento sobre a dieta deste primata no Brasil, confirmando a alta plasticidade ambiental da espécie.
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Na literatura é citado que as aves neotropicais da família Psittacidae possuem algumas tendências a alterações artificiais e naturais (manipulação humana alimentar ou genética) na coloração de suas plumagens. Em estudos de aberração de... more
Na literatura é citado que as aves neotropicais da família Psittacidae possuem algumas tendências a alterações artificiais e naturais (manipulação humana alimentar ou genética) na coloração de suas plumagens. Em estudos de aberração de plumagem em Psitacídeos foram categorizados seis tipos: albinismo, eritrismo, leucismo, xantocroismo, cianismo e melanismo. Apresenta-se aqui um registro de eritrismo em espécie de psitacídeo nativo brasileiro Psittacara leucophthalmus (Statius Muller, 1776). Há apenas um relato deste tipo de plumagem aberrante para a ave brasileira Amazona aestiva (Linnaeus, 1758), e um para a espécie africana Agapornis roseicollis, destacando assim a importância deste registro, que após um período de acompanhamento da ave foi notado que a coloração de sua plumagem vem ficando mais acentuada.
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The Amazon presents an arc of deforestation which has expanded into natural areas and bird community studies in these areas are incipient for urban landscapes after transformation. Therefore, the bird community in an urban landscape in... more
The Amazon presents an arc of deforestation which has expanded into natural areas and bird community studies in these areas are incipient for urban landscapes after transformation. Therefore, the bird community in an urban landscape in the southwest Amazonian region within an area in the arc of deforestation was investigated. The observations were performed through linear transects, during the wet and dry seasons of 2013. Records were obtained using binoculars and cameras. A total of 191 species of birds were recorded. The species accumulation curve was not reaching the asymptote, showing that new species can be recorded with a sampling effort increase. The community has low richness as a result of pressure on Amazonian environments and a high degree of anthropization. However, there is relevant composition, because nectarivores, insectivorous, carnivores, omnivores, and granivores were found in all environments, as well as endemic and threatened species.
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O Brasil possui 47 espécies de aves na família Accipitridae e 20 na Falconidae, sendo conhecidas como gaviões e falcões. O portal Wikiaves é o principal agregador de registros fotográficos ornitológicos do país, porém registros destas... more
O Brasil possui 47 espécies de aves na família Accipitridae e 20 na Falconidae, sendo conhecidas como gaviões e falcões. O portal Wikiaves é o principal agregador de registros fotográficos ornitológicos do país, porém registros destas famílias para o Pantanal são problemáticos quando o portal não exige a determinação geográfica exata e induz a conclusões incorretas de inexistência de espécies de ampla distribuição. O estudo foi conduzido a partir de consultas nos mapas de registros de vinte e três gaviões e falcões no portal, e na análise das principais literaturas sobre a avifauna do Pantanal. Por serem espécies de ampla distribuição, notou-se que estas aves têm seus registros negligenciados pelos observadores de aves ou o portal aloca o registro para coordenadas em áreas urbanizadas. Portanto, este trabalho tem por objetivo evidenciar a necessidade de ajustes na determinação geográfica de espécies de ampla distribuição em região que é um dos principais roteiros de observação de aves do Brasil e alertar fotógrafos(as) que contribuem com este banco de dados de ciência cidadã.
Research Interests:
The constant management of a seed bank accelerates the environmental recovery, in an attempt to reach the reference system. That said, this research aimed to evaluate the effects of a mining area on the richness, composition, and... more
The constant management of a seed bank accelerates the environmental recovery, in an attempt to reach the reference system. That said, this research aimed to evaluate the effects of a mining area on the richness, composition, and structure of the seed bank. The hypotheses are that there is greater richness in the surroundings areas in relation to the mining pit and that composition and structure are different between mining and surroundings areas. Twenty sampling points were assessed during two seasons (dry and wet): ten within a mining pit and ten in its surroundings. There was low seedling diversity from the seed bank in the mining area and a significant difference in the species composition of seeds in relation to its surroundings. The species composition from both sites/treatments includes pioneers, bioaccumulators and phytoremediators, which are important to maximize results for the recovery of degraded mining areas.
Research Interests:
O novo marco legal para o saneamento básico foi sancionado com metas de no mínimo de 90% da população com tratamento de água e coleta de esgoto. Contudo essa situação não condiz com a dos municípios brasileiros que despejam seus resíduos... more
O novo marco legal para o saneamento básico foi sancionado com metas de no mínimo de 90% da população com tratamento de água e coleta de esgoto. Contudo essa situação não condiz com a dos municípios brasileiros que despejam seus resíduos nos corpos d’água.
Diante desse panorama, o presente trabalho objetiva fazer uma caracterização ambiental do ribeirão Piampum, analisando parâmetros físicos e químicos da água, bem como parâmetros biológicos, usando macroinvertebrados bentônicos. As coletas foram realizadas em seis locais desde a montante até a jusante. Os parâmetros físico-químicos foram: pH; condutividade; dureza; cloretos, turbidez; sólidos totais e oxigênio dissolvido. Os macroinvertebrados bentônicos foram coletados com amostrador “Surber”. Conclui-se que os parâmetros físicos e
químicos precisam ser monitorados por estarem alterados. E os macroinvertebrados bentônicos alteraram riqueza, abundância e composição à medida que aumenta o despejo de resíduos ao
longo do curso d’água.
Diante desse panorama, o presente trabalho objetiva fazer uma caracterização ambiental do ribeirão Piampum, analisando parâmetros físicos e químicos da água, bem como parâmetros biológicos, usando macroinvertebrados bentônicos. As coletas foram realizadas em seis locais desde a montante até a jusante. Os parâmetros físico-químicos foram: pH; condutividade; dureza; cloretos, turbidez; sólidos totais e oxigênio dissolvido. Os macroinvertebrados bentônicos foram coletados com amostrador “Surber”. Conclui-se que os parâmetros físicos e
químicos precisam ser monitorados por estarem alterados. E os macroinvertebrados bentônicos alteraram riqueza, abundância e composição à medida que aumenta o despejo de resíduos ao
longo do curso d’água.
Research Interests:
O gavião-carijó, Rupornis magnirostris é mencionado na literatura como o gavião mais abundante do Brasil, e o portal Wikiaves o principal agregador de registros fotográficos ornitológicos do país, porém registros fotográficos atuais da... more
O gavião-carijó, Rupornis magnirostris é mencionado na literatura como o gavião mais abundante do Brasil, e o portal Wikiaves o principal agregador de registros fotográficos ornitológicos do país, porém registros fotográficos atuais da espécie no Wikiaves para a região central do Pantanal são inexistentes. O estudo foi conduzido a partir de consultas no mapa de registros do gavião-carijó no portal Wikiaves, na leitura dos principais livros com foco sobre a avifauna e de alguns artigos científicos conduzidos anteriormente no domínio Pantanal. Por ser uma espécie comum e de ampla distribuição, notou-se que possivelmente esta ave tem seus registros fotográficos negligenciados pelos observadores de aves que contribuem com este banco de dados de ciência cidadã. Este trabalho teve por objetivo evidenciar a ausência de registro desta espécie de ave comum em uma região onde ela é ocorrente e que também é um dos principais roteiros de observação de aves do Brasil.
Research Interests:
The Brazilian territory has the second largest diversity of bird species on the planet. However human actions have significantly influenced mountain environments which house the main Brazilian endangered birds. Therefore, the objective of... more
The Brazilian territory has the second largest diversity of bird species on the planet. However human actions have significantly influenced mountain environments which house the main Brazilian endangered birds. Therefore, the objective of this study was (i) to assess the bird community in rupestrian fields from a montane ecosystem of the Atlantic Forest-Cerrado ecotone; (ii) to measure the losses of field areas from temporal satellite image analyses; and (iii) to analyse the threatened bird species, mainly their season variation. The study was carried out in an area located in a montane ecosystem situated in an ecotonal region between two global biodiversity hotspots, the Atlantic Forest and the Cerrado. A total of 45 species and 357 individuals were recorded in sampled rupestrian fields, and the families more representative were Thraupidae and Tyrannidae. Further, we identified a decrease in rupestrian field areas by land-cover changes (i.e. Eucalyptus plantations) from 2000 to 2019 years, that corresponded to 576.27ha.The results showed records of three threatened species; Anthus nattereri, Coryphaspiza melanotis, and Culicivora caudacuta, which did not vary between climatic seasons. We emphasized that the birds found in this study, specially the threatened birds, require conservation priority due to the habitat losses.
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Os padrões de distribuição de espécies nos biomas são modificados por efeitos diretos de alteração de tamanho e forma das florestas, recursos, condições, bem como efeitos indiretos sobre as interações em diferentes níveis taxonômicos. A... more
Os padrões de distribuição de espécies nos biomas são modificados por efeitos diretos de alteração de tamanho e forma das florestas, recursos, condições, bem como efeitos indiretos sobre as interações em diferentes níveis taxonômicos. A ação exploratória do homem sobre o Cerrado e Mata Atlântica tem resultado na formação de pequenos fragmentos relictuais inseridos em uma matriz que impossibilita a dispersão de propágulos da vegetação e movimentação de pequenos mamíferos, dificultando o entendimento desses padrões de distribuição. A situação é ainda mais preocupante para ambientes ecotonais pela ausência de informações. O presente trabalho foi dividido em três partes. A primeira tem o objetivo de contextualizar o conhecimento sobre a diversidade arbórea, bem como abordar como as características de microestrutura de habitat interferem na distribuição de pequenos mamíferos. A segunda parte aprofunda os conhecimentos sobre essa diversidade arbórea demonstrando a riqueza, abundância, composição, estrutra, diversidade beta, diversidade funcional e a relevância de se conservar e manejar os pequenos fragmentos. E por fim, a terceira parte utiliza de aspectos da vegetação, associada a variáveis abióticas, para explicar a microestrutura de habitat de pequenos mamíferos e, por conseguinte, elucidar padrões de distribuíção em fragmentos menores que 50 hectares. Com essas três partes pretende-se demonstrar, usando a diversidade arbórea e de pequenos mamíferos, o real panorama de fragmentos que segundo premissas em artigos científicos, apresentam populações que tendem a vórtice populacional, redução de variabilidade genética, dentre outros aspectos que resultam em extinções em multitaxa.
Research Interests:
Research Interests:
Os morcegos são mamíferos que fazem parte da ordem Chiroptera e representam um quarto das espécies de mamíferos de todo o planeta. São os únicos mamíferos voadores e acredita-se que eles tenham dificuldades para levantar vôo. Isso... more
Os morcegos são mamíferos que fazem parte da ordem Chiroptera e representam um quarto das espécies de mamíferos de todo o planeta. São os únicos mamíferos voadores e acredita-se que eles tenham dificuldades para levantar vôo. Isso justificaria uma de suas adaptações comportamentais que é a posição invertida enquanto não voa. Essa característica é um artifício pouco conhecido, principalmente em aspecto vascular cerebral que
possibilita tal feito. Alguma modificação deve permitir a esses animais que permaneçam de cabeça para baixo sem que a pressão dentro da caixa craniana seja elevada a ponto de lesionar os vasos sanguíneos. Com base nestes argumentos esta revisão tem por objetivo levantar dados para tentar caracterizar morfofuncionalmente o sistema vascular cerebral de quirópteros.
possibilita tal feito. Alguma modificação deve permitir a esses animais que permaneçam de cabeça para baixo sem que a pressão dentro da caixa craniana seja elevada a ponto de lesionar os vasos sanguíneos. Com base nestes argumentos esta revisão tem por objetivo levantar dados para tentar caracterizar morfofuncionalmente o sistema vascular cerebral de quirópteros.
Research Interests:
Distribution patterns in the biomes are being modifi ed by direct effects as modification of size and shape of forests, availability of resources, conditions, as well as indirect effects that infl uence the interactions at different... more
Distribution patterns in the biomes are being modifi ed by direct effects as modification of size and shape of forests, availability of resources, conditions, as well as indirect effects that infl uence the interactions at
different taxonomic levels. Exploratory action on the Cerrado and Atlantic Forest have resulted in the formation of small relict forest fragments inserted in matrix that makes it impossible to seedlings dispersion of vegetation and movement of small mammals hindering the understanding of these distribution patterns.. The situation is even more worrying for ecotone environments between these domains by the lack of information. So, this book chapter presents a briefl y review about forest conservation aspects and microhabitat structure to small mammals with the objective of elucidate the effects of the modifi cations caused by humans on the environment. Here we concluded that the Brazilian domains are sharply reduced and endangered. And these aspects results in a different microhabitat structure that generate a simpler small mammal community.
different taxonomic levels. Exploratory action on the Cerrado and Atlantic Forest have resulted in the formation of small relict forest fragments inserted in matrix that makes it impossible to seedlings dispersion of vegetation and movement of small mammals hindering the understanding of these distribution patterns.. The situation is even more worrying for ecotone environments between these domains by the lack of information. So, this book chapter presents a briefl y review about forest conservation aspects and microhabitat structure to small mammals with the objective of elucidate the effects of the modifi cations caused by humans on the environment. Here we concluded that the Brazilian domains are sharply reduced and endangered. And these aspects results in a different microhabitat structure that generate a simpler small mammal community.
Research Interests:
Is the forest code really necessary to maintain the competitiveness of the Brazilian agribusiness? This work explores the pros and cons of this Forest Code in order to evaluate the influence of environmental changes on water resources,... more
Is the forest code really necessary to maintain the competitiveness of the Brazilian agribusiness? This work explores the pros and cons of this Forest Code in order to evaluate the influence of environmental changes on water resources, and diversity of fauna and flora species, as well as commenting about lawmakers. Therefore, a literature review was used for a critical analysis and base of conflicting points of the aspects related to the theme. Nature responses came right after the promulgation of the Forest Code because for decades there has been no precautionary principle regarding environmental preservation, which generated an unprecedented water crisis. The consequences of the Forest Code go unnoticed by the society that, faced with so many emergencies, does not
realize that the ecological balance is its ally and the only guarantee for a less arid future.
realize that the ecological balance is its ally and the only guarantee for a less arid future.