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Spatial configuration of the occurrence of bat species (Mammalia: Chiroptera) in eastern Mato Grosso, Brazil

Configuração espacial da ocorrência de espécies de morcegos (Mammalia: Chiroptera) no leste de Mato Grosso, Brasil

Abstracts

Given the substantial lacunas in the understanding of the occurrence and distribution of bat species in the eastern portion of the Brazilian state of Mato Grosso (Araguaia basin), this study presents an inventory of the species known to occur in the region, highlighting the areas sampled adequately and the species known to occur in conservation units. Georeferenced records of the occurrence of bat species in the region were obtained from published studies, scientific collections, through either the SpeciesLink network or directly from the curator, as well as the capture of specimens by our research group between 2008 and 2013. A 0.5° x 0.5° (latitude/longitude) grid was added to the map of the region for the quantification of the bat species richness of each grid cell. A total of 63 chiropteran species were recorded for the study area. Only 10 of the 30 grid cells had records of bats, and just three contained more than 20 species, and were considered to be sampled adequately on a minimal level. Bat species have been recorded in three conservation units, two state and one municipal. The number of species recorded represents 82.7% of the total of chiropterans known to occur in Mato Grosso, although 12 species were recorded in the state for the first time, reinforcing the paucity of data available on the distribution of bats in the region. The high bat species richness recorded in the present study reinforces the importance of eastern Mato Grosso, a transition zone between the Amazon forest and the Cerrado savanna of central Brazil, for the conservation of Neotropical chiropterans.

Cerrado savanna; geographic distribution; conservation units; chiropterans


Frente è lacuna existente sobre a real ocorrência e distribuição das espécies de morcegos objetivamos listar as espécies registradas na região leste do estado de Mato Grosso, Brasil, apontando os locais minimamente amostrados e as espécies catalogadas dentro das Unidades de Conservação. Foram consideradas espécies com registros georrefenciados para a região disponibilizados por periódicos científicos, coleções científicas, por meio do sistema SpeciesLink ou disponibilizados diretamente pela curadoria, além de capturas realizadas entre 2008 e 2013 pelo nosso grupo de pesquisa. Ao mapa da região leste do estado foi incorporado células de 0,5° latitudinais X 0,5° longitudinais e quantificadas sobre a riqueza de espécies de morcegos em cada célula. Foram registradas 63 espécies para a região. Das 30 células geradas 10 tiveram pelo menos uma espécie registrada e três tiveram mais de 20 espécies sendo consideradas minimamente amostradas. Três Unidades de Conservação tiveram espécies catalogadas, sendo duas estaduais e uma municipal. A região leste teve o registro de 82,7% do total de espécies conhecidas para o estado de Mato Grosso, sendo que 12 ainda não haviam sido assinaladas para o estado demonstrando que ainda pouco se conhece sobre a real distribuição dos morcegos na região. Considerando a alta riqueza encontrada enfatizamos a importância da região leste de Mato Grosso, zona de transição entre Cerrado e Amazônia, e também o potencial do estado na conservação dos morcegos neotropicais.

Cerrado; distribuição geográfica; unidades de conservação; quirópteros


Introduction

The Brazilian state of Mato Grosso encompasses part of three of the country’s terrestrial biomes - the Amazon forest, the Cerrado savanna, and the Pantanal wetlands - and thus plays an important role in the conservation of Neotropical biodiversity. The Cerrado, Brazil’s second-largest biome, is characterized by a unique configuration of vegetation types with an ample variety of habitats and considerable biodiversity, which is not only poorly-known, but also seriously threatened by the ongoing fragmentation of habitat (Oliveira et al. 2008OLIVEIRA, D.A., PIETRAFESA, J.P. & BARBALHO, M.G.S. 2008. Manutenção da biodiversidade e o hotspots Cerrado. Caminhos de Geografia 9(26):101-114.). This biome, considered to be a hotspot for biodiversity conservation (Myers et al. 2000MYERS, N., MITTERMEIER, R.A., MITTERMEIER, C.G., FONSECA, G.A.B. & KENT, J. 2000. Biodiversity hotspots for conservation priorities. Nature 403:853-858, 10.1038/35002501.
https://doi.org/10.1038/35002501...
) has 32 endemic mammal species, of which one is a bat (Ribeiro & Walter 2008RIBEIRO, J.F. & WALTER, B.M.T. 2008. As principais fitofisionomias do Bioma Cerrado. In: Cerrado ecologia e flora. (SANO, S.M., ALMEIDA, S.P., RIBEIRO, J.F. Eds.). Embrapa Informação Tecnológica, Brasília, p.151-199.; Paglia et al. 2012PAGLIA, A.P., FONSECA, G.A.B., RYLANDS, A.B., HERRMANN, G., AGUIAR, L.M.S., CHIARELLO, A.G., LEITE, Y.L.R., COSTA, L.P., SICILIANO, S., KIERULFF, M.C.M., MENDES, S.L., TAVARES, V.C., MITTERMEIER, R.A. & PATTON, J.L. 2012. Annotated Checklist of Brazilian Mammals. 2 ed Occasional Papers in Conservation Biology, No. 6. Conservation International, Arlington.). Bats are highly mobile, which contributes to their effectiveness as pollinators and seed dispersers, providing important ecological services for dozens of plant species (Mikich & Bianconi 2005MIKICH, S.B. & BIANCONI, G.V. 2005. Potencializando o Papel dos Morcegos Frugívoros na Recuperação de Áreas Degradadas. Bol. Pesq. Fl. (51):155-164.).

Despite their ecological importance, the distribution of most bat species in Brazil is still poorly defined. The number of surveys and inventories has increased considerably in recent years, although most of this research has focused on the Atlantic Forest of southeastern Brazil (Bernard et al. 2011BERNARD, E., AGUIAR, L.M.S. & MACHADO, R.B. 2011. Discovering the Brazilian bat fauna: a task for two centuries? Mamm. Rev. (41):23-39, 10.1111/j.1365-2907.2010.00164.x.
https://doi.org/10.1111/j.1365-2907.2010...
). Most research in the Cerrado has been conducted in the states of Goiás, Minas Gerais, and Distrito Federal (Aguiar & Zortéa 2008AGUIAR, L.M.S. & ZORTÉA, M. 2008. A diversidade de morcegos conhecida para o Cerrado. In: IX Simpósio Nacional Cerrado, II Simpósio Internacional Savanas Tropicais, Brasília.). Of the 178 bat species known to occur in Brazil, 101 have been recorded in the Cerrado (Paglia et al. 2012PAGLIA, A.P., FONSECA, G.A.B., RYLANDS, A.B., HERRMANN, G., AGUIAR, L.M.S., CHIARELLO, A.G., LEITE, Y.L.R., COSTA, L.P., SICILIANO, S., KIERULFF, M.C.M., MENDES, S.L., TAVARES, V.C., MITTERMEIER, R.A. & PATTON, J.L. 2012. Annotated Checklist of Brazilian Mammals. 2 ed Occasional Papers in Conservation Biology, No. 6. Conservation International, Arlington.; Reis et al. 2013REIS, N.R., FREGONEZI, M.N., PERACCHI, A.L. & SHIBATTA, O.A. 2013. Morcegos do Brasil: guia de campo. 1.ed. Techinical books Rio de Janeiro.; Nogueira et al. 2014NOGUEIRA, M.R., LIMA, I.P., MORATELLI, R., TAVARES, V.C., GREGORIN, R. & PERACCHI, A.L. 2014. Checklist of Brazilian bats, with comments on original records. CheckList 10(4):808-821.).

While almost half of Brazilian species (81) are known to occur in Mato Grosso, most of the studies have focused on sites in the vicinity of the state capital, Cuiabá, while major lacunas still exist in the north and east of the state (Aguiar & Zortéa, 2008AGUIAR, L.M.S. & ZORTÉA, M. 2008. A diversidade de morcegos conhecida para o Cerrado. In: IX Simpósio Nacional Cerrado, II Simpósio Internacional Savanas Tropicais, Brasília., Bernard et al. 2011BERNARD, E., AGUIAR, L.M.S. & MACHADO, R.B. 2011. Discovering the Brazilian bat fauna: a task for two centuries? Mamm. Rev. (41):23-39, 10.1111/j.1365-2907.2010.00164.x.
https://doi.org/10.1111/j.1365-2907.2010...
, Reis et al. 2013REIS, N.R., FREGONEZI, M.N., PERACCHI, A.L. & SHIBATTA, O.A. 2013. Morcegos do Brasil: guia de campo. 1.ed. Techinical books Rio de Janeiro.). The areas of Cerrado in eastern Mato Grosso are among those considered to be of the highest priority for the conservation of species, and have been identified by some authors (Horta et al. 2002HORTA, A., DIAS, B., ESPĺRITO SANTO, C.V., COSTA, C.R., FURLANI, C., HERMANN, G., FONSECA, G.A.B., OLIVEIRA, H., CORADIN, L., PINTO, L.P., ROS FILHO, L.C., PÁDUA, M.T.J., PEREIRA, P.G.P., CAVALCANTI, R.B, MAGALHÃES, R. & OLIVIERI, S., 2002. Cerrado e Pantanal. In: Biodiversidade brasileira: Avaliação e identificação de áreas e ações prioritárias para conservação, utilização sustentável e repartição dos benefícios da biodiversidade nos biomas brasileiros (MAURY, C.M., Org.). Ministério do Meio Ambiente, Brasília, p.175-214.; Bernard et al. 2011BERNARD, E., AGUIAR, L.M.S. & MACHADO, R.B. 2011. Discovering the Brazilian bat fauna: a task for two centuries? Mamm. Rev. (41):23-39, 10.1111/j.1365-2907.2010.00164.x.
https://doi.org/10.1111/j.1365-2907.2010...
) as extremely important for the maintenance of bat species. Given this interest, the region’s biodiversity has been the focus of numerous studies (e.g. Pine et al. 1970PINE, R.H., BISHOP, I.R. & JACKSON, R.L. 1970. Preliminary list of mammals of the Xavantina/Cachimbo expedition (Central Brazil). Transactions of the Royal Society of Trop. Med. Hyg. 64(5):668-670, 10.1016/0035-9203(70)90003-9.
https://doi.org/10.1016/0035-9203(70)900...
, Silva & Anacleto 2011SILVA, S.G. & ANACLETO, T.C.S. 2011. Diversidade de morcegos entre áreas com diferente grau de alteração na área urbana do município de Nova Xavantina, MT. Chiropt. neotrop. 17(2):1003-1012., Sousa et al. 2011SOUSA, R.F., KREUTZ, C., OLIVEIRA, S.L. & FARIA, K.C. 2011. Mammalia, Chiroptera, Phyllostomidae,Vampyrum spectrum(Linnaeus, 1758): First record for the Cerrado biome in the state of Mato Grosso, west central Brazil. CheckList 7(4):468-469., 2013aSOUSA, R.F., TEN=RIO, R.C.C.O. & FARIA, K.C. 2013. First record of Trachops cirrhosus (Spix, 1823) (Chiroptera: Phyllostomidae) for the state of Mato Grosso, Central-West region, Brazil. CheckList 9(6):1527-1529., bSOUSA, R.F., VENERE, P.C. & FARIA, K.C. 2013. Bats in forest remnants of the Cerrado savanna of eastern MatoGrosso, Brazil. Biota Neotrop. 13(2):236-241. http://www.biotaneotropica.org.br/v13n2/en/abstract?inventory+bn03313022013(accessed in 10/05/2014). 10.1590/S1676-06032013000200023
http://www.biotaneotropica.org.br/v13n2/...
, Oliveira et al. 2013OLIVEIRA, S.L., SILVA, J.M., SOUSA, R.F. & FARIA, K.C. 2013. Mammalia, Chiroptera, Phyllostomidae, Mimon crenulatum (Geoffroy St. -Hilaire, 1803): First Record for the Cerrado Biome in the State of Mato Grosso, Brazil. CheckList 9(3):692-695.), although its bat fauna is still relatively poorly studied.

Considering the need for new data and the updating of the inventory of the state’s bat fauna, the present study compiled the data available on the occurrence of bat species in its eastern region. The study emphasizes the areas considered to be most adequately sampled, and the species recorded in three of the region’s conservation units.

Material and Methods

The present study focused on eastern Mato Grosso (Brazil), within an area delimited to the south by the municipalities of Alto Araguaia, Alto Taquari, and Itiquira, and to the north by São Félix do Araguaia, including the basins of the Araguaia and das Mortes rivers (Figure 1). The region is characterized by the diverse habitats typical of the Cerrado biome, which suffers the influence of the neighboring areas of the Amazon forest in the north. The region’s climate is of the AW in the Köppen classification systems, and is characterized by distinct dry and rainy season, with mean annual temperatures of between 23°C and 25°C (Silva et al. 2008SILVA, F.A.M., ASSAD, E.D. & EVANGELISTA, B.A. 2008. Caracterização Climática do Bioma Cerrado. In:Cerrado ecologia e flora. (SANO, S.M., ALMEIDA, S.P., RIBEIROJ.F., Eds.). Embrapa Informação Tecnológica, Brasília, p.69-87.). It also includes conservation units, such as the Araguaia and Serra Azul state parks, which provide important infrastructure for research.

Figure 1
Map of Brazil, showing the state of Mato Grosso and in the inset, the study area in the east of the state and the 0.5° x 0.5° (latitude x longitude) cells established for the present study.

Georeferenced records of the occurrence of bats within this region were obtained from published studies (Pine et al. 1970PINE, R.H., BISHOP, I.R. & JACKSON, R.L. 1970. Preliminary list of mammals of the Xavantina/Cachimbo expedition (Central Brazil). Transactions of the Royal Society of Trop. Med. Hyg. 64(5):668-670, 10.1016/0035-9203(70)90003-9.
https://doi.org/10.1016/0035-9203(70)900...
, Silva & Anacleto 2011SILVA, S.G. & ANACLETO, T.C.S. 2011. Diversidade de morcegos entre áreas com diferente grau de alteração na área urbana do município de Nova Xavantina, MT. Chiropt. neotrop. 17(2):1003-1012., Sousa et al. 2011SOUSA, R.F., KREUTZ, C., OLIVEIRA, S.L. & FARIA, K.C. 2011. Mammalia, Chiroptera, Phyllostomidae,Vampyrum spectrum(Linnaeus, 1758): First record for the Cerrado biome in the state of Mato Grosso, west central Brazil. CheckList 7(4):468-469., 2013a, b; Oliveira et al. 2013OLIVEIRA, S.L., SILVA, J.M., SOUSA, R.F. & FARIA, K.C. 2013. Mammalia, Chiroptera, Phyllostomidae, Mimon crenulatum (Geoffroy St. -Hilaire, 1803): First Record for the Cerrado Biome in the State of Mato Grosso, Brazil. CheckList 9(3):692-695.), scientific collections with records available on the SpeciesLink network: (CM-UNEMATCM - UNEMAT: Mammal Collection of Mato Grosso State University at Campus Nova Xavantina. <http://www.splink.org.br> (Accessed in 19/04/2014).
http://www.splink.org.br...
, ZUEC-MAMZUEC-MAM - Mammal Collection of the Zoology Museum of Campinas State University. http://www.splink.org.br (Accessed in 19/04/2014).
http://www.splink.org.br...
-UNICAMP and MCP-Mammals - PUC/RSMCP-Mammals - Mammal Collection of the Museum of Science and Technology of the Pontifical Catholic University of Rio Grande do Sul. <http://www.splink.org.br> (Accessed in 19/04/2014).
http://www.splink.org.br...
), or made available by their curators (CCMZ-UFPRCCMZ - UFPR - Mammal Scientific Collection of the Department of Zoology, Federal University of Paraná <http://www.splink.org.br> (Accessed in 19/04/2014).
http://www.splink.org.br...
), and the capture of specimens by the authors of the present study within the region between 2008 and 2013. The voucher specimens resulting from these captures were deposited at the Nova Xavantina campus of the Mato Grosso State University (UNEMAT).

The spatial distribution of bat species in the region was mapped using procedures adapted from Bernard et al. (2011)BERNARD, E., AGUIAR, L.M.S. & MACHADO, R.B. 2011. Discovering the Brazilian bat fauna: a task for two centuries? Mamm. Rev. (41):23-39, 10.1111/j.1365-2907.2010.00164.x.
https://doi.org/10.1111/j.1365-2907.2010...
, which included the incorporation of a 0.5° x 0.5° (latitude/longitude) grid using ArcGis 9.2 in the Environmental Analysis Laboratory (LANA) at UNEMAT, Nova Xavantina. The grid cells were scored according to the number of bat species recorded, and those with at least 20 species were considered to be adequately sampled on a minimal level, as established by Bernard et al. (2011)BERNARD, E., AGUIAR, L.M.S. & MACHADO, R.B. 2011. Discovering the Brazilian bat fauna: a task for two centuries? Mamm. Rev. (41):23-39, 10.1111/j.1365-2907.2010.00164.x.
https://doi.org/10.1111/j.1365-2907.2010...
. The outlines of the local federal, state, and municipal conservation units - provided by the Mato Grosso State Environment Secretariat (SEMA/MT) - were then added to the map in order to quantify the number of bat species recorded in each of these protected areas.

Results

Ten of the 30 cells demarcated for the present study returned at least one record of a bat species (Figure 2), and in three of these (D, E, and H), more than 20 species have been recorded. These cells were thus considered to have been adequately sampled on a minimal level. No records of bats were found for the other 20 cells.

Figure 2
Map of eastern Mato Grosso showing the 0.5° x 0.5° cells in which at least one bat species has been recorded, identified by the letters A-J. The numbers refer to the species richness recorded in each cell. ✦ = sites at which specimens were captured.

A total of 67 bat species were recorded, representing 40 genera and five families (Table 1), including 12 species not included in the most recent inventory published for the state (Reis et al. 2013REIS, N.R., FREGONEZI, M.N., PERACCHI, A.L. & SHIBATTA, O.A. 2013. Morcegos do Brasil: guia de campo. 1.ed. Techinical books Rio de Janeiro.). Cells D, E, and H were the most diverse, with 36, 45, and 29 species, respectively (Figure 2), whereas cells F and J presented the lowest number of species, with five each.

Table 1
List of the bat species recorded in eastern Mato Grosso, Brazil. The letters refer to the respective grid cells (see Figure 2). The species not recorded previously for Mato Grosso (Reis et al. 2013REIS, N.R., FREGONEZI, M.N., PERACCHI, A.L. & SHIBATTA, O.A. 2013. Morcegos do Brasil: guia de campo. 1.ed. Techinical books Rio de Janeiro.) are indicated by an asterisk (*). Sources are: (1) present study (specimens collected between 2008 and 2013); (2)Oliveira et al. (2013)OLIVEIRA, S.L., SILVA, J.M., SOUSA, R.F. & FARIA, K.C. 2013. Mammalia, Chiroptera, Phyllostomidae, Mimon crenulatum (Geoffroy St. -Hilaire, 1803): First Record for the Cerrado Biome in the State of Mato Grosso, Brazil. CheckList 9(3):692-695.; 3 - Sousa et al. (2013a); 4 - Sousaet al. (2013b); 5 - Silva & Anacleto (2011)SILVA, S.G. & ANACLETO, T.C.S. 2011. Diversidade de morcegos entre áreas com diferente grau de alteração na área urbana do município de Nova Xavantina, MT. Chiropt. neotrop. 17(2):1003-1012.; 6 - Sousa et al. (2011)SOUSA, R.F., KREUTZ, C., OLIVEIRA, S.L. & FARIA, K.C. 2011. Mammalia, Chiroptera, Phyllostomidae,Vampyrum spectrum(Linnaeus, 1758): First record for the Cerrado biome in the state of Mato Grosso, west central Brazil. CheckList 7(4):468-469.; 7 - Pine et al. (1970)PINE, R.H., BISHOP, I.R. & JACKSON, R.L. 1970. Preliminary list of mammals of the Xavantina/Cachimbo expedition (Central Brazil). Transactions of the Royal Society of Trop. Med. Hyg. 64(5):668-670, 10.1016/0035-9203(70)90003-9.
https://doi.org/10.1016/0035-9203(70)900...
; 8 - CM - UNEMATCM - UNEMAT: Mammal Collection of Mato Grosso State University at Campus Nova Xavantina. <http://www.splink.org.br> (Accessed in 19/04/2014).
http://www.splink.org.br...
; 9 - MCP-Mammals - PUC/RSMCP-Mammals - Mammal Collection of the Museum of Science and Technology of the Pontifical Catholic University of Rio Grande do Sul. <http://www.splink.org.br> (Accessed in 19/04/2014).
http://www.splink.org.br...
; 10 -ZUEC-MAMZUEC-MAM - Mammal Collection of the Zoology Museum of Campinas State University. http://www.splink.org.br (Accessed in 19/04/2014).
http://www.splink.org.br...
- UNICAMP; 11 -CCMZ-UFPRCCMZ - UFPR - Mammal Scientific Collection of the Department of Zoology, Federal University of Paraná <http://www.splink.org.br> (Accessed in 19/04/2014).
http://www.splink.org.br...
.

Three of the conservation units found within the study area were sampled, providing the first data on their bat faunas. Two of these - the Serra Azul State Park and the Araguaian Chelonians State Wildlife Refuge - are administered by the Mato Grosso state government, while the other, the Bacaba Municipal Park, is run by the municipality of Nova Xavantina. A total of 25 bat species were recorded in both the Serra Azul and Bacaba parks, while only eight species were registered for the Araguaian Chelonians State Wildlife Refuge (Figure 3; Table 2).

Figure 3
Conservation units found within the study area, highlighting the three areas in which at least one bat species has been recorded. The numbers refer to the species richness recorded in each unit.

Table 2
List of the bat species recorded in each of the three conservation units. The occurrence of a given species in a unit is indicated by an “x”. PESA: Serra Azul State Park; PMB: Bacaba Municipal Park; RVSQA: Araguaian Chelonians State Wildlife Refuge.

Discussion

The number of bat species recorded in eastern Mato Grosso corresponded to 82.7% of the total known to occur in the state as a whole (Reis et al. 2013REIS, N.R., FREGONEZI, M.N., PERACCHI, A.L. & SHIBATTA, O.A. 2013. Morcegos do Brasil: guia de campo. 1.ed. Techinical books Rio de Janeiro.). While a number of recent studies (e.g. Sousa et al. 2013a, Carrijo et al. 2013CARRIJO, V.A., BASTOS, N.A. & ZORTÉA, M. 2013. Primeira ocorrência de Vampyressa thyone Thomas, 1909 para o Estado de Mato Grosso. In: VII Encontro Brasileiro para o Estudo de Quirópteros. Embrapa Cerrados, BrasíliaDF.) have confirmed the occurrence of some species, many are known only in scientific collections. This is reinforced by the fact that 12 of the species had not been recorded previously in the state of Mato Grosso.

The low number of cells considered to be adequately sampled in this analysis also emphasizes the paucity of the data available on the occurrence and distribution of bat species in the region. The configuration of the cells also reflects the highly asymmetric distribution of the available knowledge of the region’s bat fauna, a problem identified almost 20 years ago by Uieda & Pedro (1996)UIEDA, W. & PEDRO, W.A. 1996. Chiroptera in the XXI Brazilian Zoology Congress. Chiropt. Neotrop. 2:41-42..

Bernard et al. (2011)BERNARD, E., AGUIAR, L.M.S. & MACHADO, R.B. 2011. Discovering the Brazilian bat fauna: a task for two centuries? Mamm. Rev. (41):23-39, 10.1111/j.1365-2907.2010.00164.x.
https://doi.org/10.1111/j.1365-2907.2010...
noted that, while the number of inventories of bat populations has grown considerably in recent years, most studies have tended to be concentrated in areas adjacent to universities that have active research groups. In fact, two of the cells considered to adequately sampled in this analysis (D and E) coincide with the region’s two major university centers, the Araguaia campus of the Federal University of Mato Grosso, and the Nova Xavantina campus of UNEMAT, respectively, reinforcing the importance of such research groups, as well as the need for further fieldwork in areas that have been the focus of little or no investigation.

The ongoing expansion of agricultural and energetic (hydroelectric dams) frontiers in the state should be accompanied by new studies of environmental impacts and the monitoring of fauna (Brasil 2000BRASIL 2000. Sistema Nacional de Unidades de Conservação. Lei n° 9.985, de 18 de julho de 2000. Disponível em: <http://www.planalto.gov.br/ccivil_03/leis/l9985.htm> (Acessed in 20/04/2014).
http://www.planalto.gov.br/ccivil_03/lei...
). Systematic species inventories (including Chiroptera) are legally required for the concession of licenses for the implementation of any project that may potentially cause environmental degradation (Brasil 1986BRASIL 1986. Conselho Nacional do Meio Ambiente. Resolução CONAMA n° 001, de 23 de janeiro de 1986. Disponível em: <http://www.mma.gov.br/port/conama/legiabre.cfm?codlegi=23> (Acessed in 07/05/2014).
http://www.mma.gov.br/port/conama/legiab...
, 1997BRASIL 1997. Conselho Nacional do Meio Ambiente. Resolução n° 237, de 19 de dezembro de 1997. Disponível em: <http://www.mma.gov.br/port/conama/res/res97/res23797.html> (Acessed in 07/05/2014).
http://www.mma.gov.br/port/conama/res/re...
). However, the available data on the occurrence of bat species in Mato Grosso do not correspond to the ongoing advances in major development projects, in both the public and private sectors, and there is a clear need for better access to the records and specimens produced by these projects, in order to consolidate the scientific understanding of the state’s chiropteran fauna.

Eastern Mato Grosso is considered to be of major importance for the conservation of the biological diversity of the Neotropical region (e.g. Myers et al. 2000MYERS, N., MITTERMEIER, R.A., MITTERMEIER, C.G., FONSECA, G.A.B. & KENT, J. 2000. Biodiversity hotspots for conservation priorities. Nature 403:853-858, 10.1038/35002501.
https://doi.org/10.1038/35002501...
, Horta et al. 2002HORTA, A., DIAS, B., ESPĺRITO SANTO, C.V., COSTA, C.R., FURLANI, C., HERMANN, G., FONSECA, G.A.B., OLIVEIRA, H., CORADIN, L., PINTO, L.P., ROS FILHO, L.C., PÁDUA, M.T.J., PEREIRA, P.G.P., CAVALCANTI, R.B, MAGALHÃES, R. & OLIVIERI, S., 2002. Cerrado e Pantanal. In: Biodiversidade brasileira: Avaliação e identificação de áreas e ações prioritárias para conservação, utilização sustentável e repartição dos benefícios da biodiversidade nos biomas brasileiros (MAURY, C.M., Org.). Ministério do Meio Ambiente, Brasília, p.175-214., Bernard et al. 2011BERNARD, E., AGUIAR, L.M.S. & MACHADO, R.B. 2011. Discovering the Brazilian bat fauna: a task for two centuries? Mamm. Rev. (41):23-39, 10.1111/j.1365-2907.2010.00164.x.
https://doi.org/10.1111/j.1365-2907.2010...
) and is located within the Cerrado’s principal agricultural frontier, in the Arc of Deforestation on the southern rim of the Amazon basin (Nogueira et al. 2008NOGUEIRA, E.M., NELSON, B.W., FEARNSIDE, P.M., FRANÇA, M.B. & OLIVEIRA, A.C.A. 2008. Tree height in Brazil’s “arc of deforestation”: shorter trees in south and southwest Amazonia imply lower biomass. Forest Ecol. Manag. 255:2963-2972, 10.1016/j.foreco.2008.02.002.
https://doi.org/10.1016/j.foreco.2008.02...
). The conservation units already established in this region will obviously play a fundamental role in the investigation of its biodiversity, and this will demand concerted actions between research institutions (on local and regional scales) and local administrators, given the intrinsic interest of researchers and the need for inventories, which are an integral component of the management plan of any conservation unit (Brasil 2000BRASIL 2000. Sistema Nacional de Unidades de Conservação. Lei n° 9.985, de 18 de julho de 2000. Disponível em: <http://www.planalto.gov.br/ccivil_03/leis/l9985.htm> (Acessed in 20/04/2014).
http://www.planalto.gov.br/ccivil_03/lei...
).

The occurrence of species restricted to specific types of habitat, such as L. dekeyseri, which is endemic to the Cerrado (Reis et al. 2013REIS, N.R., FREGONEZI, M.N., PERACCHI, A.L. & SHIBATTA, O.A. 2013. Morcegos do Brasil: guia de campo. 1.ed. Techinical books Rio de Janeiro.), and L. brachyotis,T. bidens, T. cirrhosus, and M. crenulatum, which are considered to be sensitive to habitat disturbance (Mendellin 2000MEDELLĺN, R.A., EQUIHUA, M. & AMIN, M.A. 2000. Bat Diversity and Abundance as Indicators of Disturbance in Neotropucal Rainforests. Conserv. Biol. 14:1666-1675, 10.1046/j.1523-1739.2000.99068.x.
https://doi.org/10.1046/j.1523-1739.2000...
), reinforce the important of integral protected areas, even those associated with human activities, such as the Serra Azul State Park, in which all these species were recorded. This type of information provides material for projects in environmental education, which are essential for the effective creation of parks at any level, whether federal, state or municipal (Brasil 2000BRASIL 2000. Sistema Nacional de Unidades de Conservação. Lei n° 9.985, de 18 de julho de 2000. Disponível em: <http://www.planalto.gov.br/ccivil_03/leis/l9985.htm> (Acessed in 20/04/2014).
http://www.planalto.gov.br/ccivil_03/lei...
).

A reliable understanding of the distribution of species is essential for the demarcation of new protected areas, as well as the evaluation of any new development projects to be established in the region. The results of the present study, which highlight the diversity of bats in the Brazilian state of Mato Grosso, reinforce its importance, and especially that of the eastern region, for the preservation of Neotropical chiropterans.

Acknowledgments

The authors wish to thank FAPEMAT (Fundação de Amparo è Pesquisa do Estado de Mato Grosso) and CAPES (Coordenação de Aperfeiçoamento de Pessoal de Nível Superior) for financial support.

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Publication Dates

  • Publication in this collection
    Mar 2015

History

  • Received
    12 Aug 2014
  • Accepted
    2 Dec 2014
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