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Journal articles on the topic 'Amazonia–Cerrado Ecotone'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Garbino, Guilherme S. T., Marcus Vinicius Brandão, and Valeria da Cunha Tavares. "First confirmed records of Godman’s Long-tailed Bat, Choeroniscus godmani (Thomas, 1903) (Chiroptera, Phyllostomidae), from Brazil and Panama." Check List 18, no. 3 (2022): 493–99. http://dx.doi.org/10.15560/18.3.493.

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We report on the occurrence of Choeroniscus godmani (Thomas, 1903) in Brazil and Panama. The Panama record fills a distribution gap for the species in Central America. The three records from Brazil are from the Amazonia in the state of Par&aacute;, and from the Cerrado and an Amazonia/Cerrado ecotone in the state of Mato Grosso. At two localities in Brazil, C. minor, a larger species of Choeroniscus, was also recorded. These new records extend the distribution of C. godmani by 2,065 km south to central South America. One of the Brazilian specimens represents the first record of supernumera

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Garbino, Guilherme S. T., Marcus Vinicius Brandão, and Cunha Tavares Valeria Da. "First confirmed records of Godman's Long-tailed Bat, Choeroniscus godmani (Thomas, 1903) (Chiroptera, Phyllostomidae), from Brazil and Panama." Check List 18, no. 3 (2022): 493–99. https://doi.org/10.5281/zenodo.13466785.

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(Uploaded by Plazi for the Bat Literature Project) We report on the occurrence of Choeroniscus godmani (Thomas, 1903) in Brazil and Panama. The Panama record fills a distribution gap for the species in Central America. The three records from Brazil are from the Amazonia in the state of Pará, and from the Cerrado and an Amazonia/Cerrado ecotone in the state of Mato Grosso. At two localities in Brazil, C. minor, a larger species of Choeroniscus, was also recorded. These new records extend the distribution of C. godmani by 2,065 km south to central South America. One of the Brazilian specimens re

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Garbino, Guilherme S. T., Marcus Vinicius Brandão, and Cunha Tavares Valeria Da. "First confirmed records of Godman's Long-tailed Bat, Choeroniscus godmani (Thomas, 1903) (Chiroptera, Phyllostomidae), from Brazil and Panama." Check List 18, no. 3 (2022): 493–99. https://doi.org/10.5281/zenodo.13466785.

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(Uploaded by Plazi for the Bat Literature Project) We report on the occurrence of Choeroniscus godmani (Thomas, 1903) in Brazil and Panama. The Panama record fills a distribution gap for the species in Central America. The three records from Brazil are from the Amazonia in the state of Pará, and from the Cerrado and an Amazonia/Cerrado ecotone in the state of Mato Grosso. At two localities in Brazil, C. minor, a larger species of Choeroniscus, was also recorded. These new records extend the distribution of C. godmani by 2,065 km south to central South America. One of the Brazilian specimens re

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Garbino, Guilherme S. T., Marcus Vinicius Brandão, and Cunha Tavares Valeria Da. "First confirmed records of Godman's Long-tailed Bat, Choeroniscus godmani (Thomas, 1903) (Chiroptera, Phyllostomidae), from Brazil and Panama." Check List 18, no. 3 (2022): 493–99. https://doi.org/10.5281/zenodo.13466785.

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(Uploaded by Plazi for the Bat Literature Project) We report on the occurrence of Choeroniscus godmani (Thomas, 1903) in Brazil and Panama. The Panama record fills a distribution gap for the species in Central America. The three records from Brazil are from the Amazonia in the state of Pará, and from the Cerrado and an Amazonia/Cerrado ecotone in the state of Mato Grosso. At two localities in Brazil, C. minor, a larger species of Choeroniscus, was also recorded. These new records extend the distribution of C. godmani by 2,065 km south to central South America. One of the Brazilian specimens re

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Garbino, Guilherme S. T., Marcus Vinicius Brandão, and Cunha Tavares Valeria Da. "First confirmed records of Godman's Long-tailed Bat, Choeroniscus godmani (Thomas, 1903) (Chiroptera, Phyllostomidae), from Brazil and Panama." Check List 18, no. 3 (2022): 493–99. https://doi.org/10.5281/zenodo.13466785.

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(Uploaded by Plazi for the Bat Literature Project) We report on the occurrence of Choeroniscus godmani (Thomas, 1903) in Brazil and Panama. The Panama record fills a distribution gap for the species in Central America. The three records from Brazil are from the Amazonia in the state of Pará, and from the Cerrado and an Amazonia/Cerrado ecotone in the state of Mato Grosso. At two localities in Brazil, C. minor, a larger species of Choeroniscus, was also recorded. These new records extend the distribution of C. godmani by 2,065 km south to central South America. One of the Brazilian specimens re

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Garbino, Guilherme S. T., Marcus Vinicius Brandão, and Cunha Tavares Valeria Da. "First confirmed records of Godman's Long-tailed Bat, Choeroniscus godmani (Thomas, 1903) (Chiroptera, Phyllostomidae), from Brazil and Panama." Check List 18, no. 3 (2022): 493–99. https://doi.org/10.5281/zenodo.13466785.

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(Uploaded by Plazi for the Bat Literature Project) We report on the occurrence of Choeroniscus godmani (Thomas, 1903) in Brazil and Panama. The Panama record fills a distribution gap for the species in Central America. The three records from Brazil are from the Amazonia in the state of Pará, and from the Cerrado and an Amazonia/Cerrado ecotone in the state of Mato Grosso. At two localities in Brazil, C. minor, a larger species of Choeroniscus, was also recorded. These new records extend the distribution of C. godmani by 2,065 km south to central South America. One of the Brazilian specimens re

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Garbino, Guilherme S. T., Marcus Vinicius Brandão, and Cunha Tavares Valeria da. "First confirmed records of Godman's Long-tailed Bat, Choeroniscus godmani (Thomas, 1903) (Chiroptera, Phyllostomidae), from Brazil and Panama." Check List 18, no. (3) (2022): 493–99. https://doi.org/10.15560/18.3.493.

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We report on the occurrence of <em>Choeroniscus godmani</em> (Thomas, 1903) in Brazil and Panama. The Panama record fills a distribution gap for the species in Central America. The three records from Brazil are from the Amazonia in the state of Pará, and from the Cerrado and an Amazonia/Cerrado ecotone in the state of Mato Grosso. At two localities in Brazil, <em>C. minor</em>, a larger species of <em>Choeroniscus</em>, was also recorded. These new records extend the distribution of <em>C. godmani</em> by 2,065 km south to central South America. One of the Brazilian specimens represents

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Roquette, José Guilherme, Ronaldo Drescher, Gilvano Ebling Brondani, et al. "AGE AND GROWTH AFFECT OLEORESIN YIELD FROM COPAIBA TREES IN THE CERRADO-AMAZONIA ECOTONE." CERNE 24, no. 2 (2018): 106–13. http://dx.doi.org/10.1590/01047760201824022527.

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Ramos Pereira, Maria, Rita G. Rocha, Eduardo Ferreira, and Carlos Fonseca. "Structure of Small Mammal Assemblages Across Flooded and Unflooded Gallery Forests of the Amazonia-Cerrado Ecotone." Biotropica 45, no. 4 (2013): 489–96. http://dx.doi.org/10.1111/btp.12027.

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Barbosa, Marcus Vinicius Moreira, Taynara Augusta Fernandes, Adriana Oliveira Medeiros, Renan de Souza Rezende, and Paula Benevides de Morais. "Flood and Edge Effects on Leaf Breakdown in Wetlands of the Cerrado Savanna to Amazonia Ecotone." Wetlands 40, no. 6 (2020): 2297–308. http://dx.doi.org/10.1007/s13157-020-01331-3.

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Rodrigues Silva, Felipe Gimenes, Alexandre Rosa dos Santos, Nilton Cesar Fiedler, et al. "Geotechnology Applied to Analysis of Vegetation Dynamics and Occurrence of Forest Fires on Indigenous Lands in Cerrado-Amazonia Ecotone." Sustainability 14, no. 11 (2022): 6919. http://dx.doi.org/10.3390/su14116919.

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The Cerrado-Amazonia Ecotone is one of the largest ecosystems in Brazil and is internationally considered a biodiversity hotspot. The occurrence of fires is common in these areas, directly affecting biomass losses and the reduction of vegetative vigor of forest typologies. Information obtained through remote sensing and geoprocessing can assist in the evaluation of vegetation behavior and its relation to the occurrence of forest fires. In this context, the objective of the present study was to analyze temporal vegetation dynamics, as well as their relationship with rainfall and fire occurrence

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Dornas, Túlio, Dianes Gomes Marcelino, Sidnei de Melo Dantas, Renato Torres Pinheiro, and Alexandre Aleixo. "Range extension and conservation of Psophia interjecta Griscom & Greenway, 1937 (Aves: Psophidae) in the Tocantins–Araguaia interfluve, state of Tocantins, Brazil." Check List 13, no. (4) (2017): 141–46. https://doi.org/10.15560/13.4.141.

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The genus <em>Psophia </em>includes terrestrial birds endemic to the Amazon. The number of species in this genus is still controversial, with alternative taxonomic treatments currently available. We present new and historical records of <em>P. interjecta</em> for the state of Tocantins, which extend this species’ range to the Tocantins–Araguaia interfluve, in southeasternmost Amazonia. <em>Psophia interjecta </em>is considered Vulnerable in Brazil, but we discuss that the species is likely more Critically Endangered in Tocantins due to drastic deforestation and hunting.

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ROCHA, RITA G., EDUARDO FERREIRA, BARBARA M. A. COSTA, et al. "Small mammals of the mid-Araguaia River in central Brazil, with the description of a new species of climbing rat." Zootaxa 2789, no. 1 (2011): 1. http://dx.doi.org/10.11646/zootaxa.2789.1.1.

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The mid-Araguaia River basin in central Brazil is considered a priority area for biodiversity conservation, and Parque Estadual do Cantão (PEC) is one of the most important protected areas in this ecotone between Cerrado and Amazonia. This area suffers an intensive human pressure with high rates of deforestation, and still remains poorly studied in terms of biodiversity. From June 2007 to November 2008 we sampled small mammals from both banks of the mid-Araguaia River, in the states of Tocantins and Pará. Data are given about morphological traits, geographic distribution and natural history of

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Orsini, Vinícius, André Nunes, and Laura Marsh. "New distribution records of Pithecia rylandsi and Pithecia mittermeieri (Primates, Pitheciidae) and an updated distribution map." Check List 13, no. (3) (2017): 1–4. https://doi.org/10.15560/13.3.2123.

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New locations and extension of the known geographical distributions are reported for two recently-described species of saki monkeys: <em>Pithecia rylandsi</em> and <em>Pithecia mittermeieri</em>. The record of <em>P. rylandsi</em> confirms the presence of this species further south in the state of Mato Grosso, Brazil. The new record of <em>P. mittermeieri</em>, which occurred in<em> </em>an ecotone of Amazon, Cerrado, and Pantanal biomes,<em> </em>is the southernmost record for the genus. Recording the distribution extension of both<em> </em>species is essential for their conservation, as well

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Juen, Leandro, Leandro Schlemmer Brasil, Frederico Falcão Salles, Joana Darc Batista, and Helena Soares Ramos Cabette. "Mayfly assemblage structure of the Pantanal Mortes–Araguaia flood plain." Marine and Freshwater Research 68, no. 11 (2017): 2156. http://dx.doi.org/10.1071/mf17013.

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The diversity of lakes, rivers and streams of flood plain sustains great taxonomic and functional diversity. The Bananal flood plain is located mainly in the State of Mato Grosso, in the southern region of the Cerrado Biome and north of the Cerrado–Amazonia transition zone, two very diverse ecosystems. In the present study, to test the hypothesis that composition, richness and functional groups would differ between regions (south and north), as well as between environments (lentic and lotic), always being greater in the northern area and in lotic environments, immature Ephemeroptera individual

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Miranda, Jivanildo, Costa João Carlos Lopes, and da Rocha Carlos Frederico Duarte. "Reptiles from Lençóis Maranhenses National Park, Maranhão, northeastern Brazil." ZooKeys 246 (November 29, 2012): 51–68. https://doi.org/10.3897/zookeys.246.2593.

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We are presenting a list of the reptile species from Lençóis Maranhenses National Park (LMNP), Maranhão, Brazil, obtained during 235 days of field work. The study area is located in the contact zone between three major Neotropical ecosystems: Amazonia, Caatinga, and Cerrado. The PNLM encompasses the largest dune fields in Brazil, wide shrubby areas (restingas), lakes, mangroves, and many freshwater lagoons. We have recorded 42 species of reptiles in the area: 24 snakes, 12 lizards, two worm lizards, three turtles, and one alligator. About 81 % of the recorded species occurred only in restinga

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MARIMON, B. S., E. DE S. LIMA, T. G. DUARTE, L. C. CHIEREGATTO, and J. A. RATTER. "OBSERVATIONS ON THE VEGETATION OF NORTHEASTERN MATO GROSSO, BRAZIL. IV. AN ANALYSIS OF THE CERRADO–AMAZONIAN FOREST ECOTONE." Edinburgh Journal of Botany 63, no. 2-3 (2006): 323–41. http://dx.doi.org/10.1017/s0960428606000576.

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A study was made of the transition between the cerrado and Amazonian forest biomes on the Serra do Roncador in the northeast of Mato Grosso State, Brazil. The transition was sampled by recording the species and circumference at breast height (cbh) of all woody species ≥ 15 cm cbh on five 20 × 10 m plots in each of the following four communities: ecotonal vegetation (Cerradão areas 1 and 2), and forest (Forest areas 1 and 2); while in the Cerrado sensu stricto a more rapid method had to be used because of time constraints. A total of 138 species was recorded and the results were analysed using

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Martins, Pedro R., Edson E. Sano, Eder S. Martins, et al. "Terrain units, land use and land cover, and gross primary productivity of the largest fluvial basin in the Brazilian Amazonia/Cerrado ecotone: The Araguaia River basin." Applied Geography 127 (February 2021): 102379. http://dx.doi.org/10.1016/j.apgeog.2020.102379.

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Couto, Antonio, Pedro Martins, Edson Sano, et al. "Data for: Terrain units, land use/cover, and gross primary productivity of the largest fluvial basin in the Brazilian Amazonia/Cerrado ecotone: The Araguaia River Basin." Data in Brief 34 (February 2021): 106636. http://dx.doi.org/10.1016/j.dib.2020.106636.

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Isernhagen, Elaine Cristina Casula, Renato de Aragão Ribeiro Rodrigues, Débora Diel, Eduardo da Silva Matos, and Marcela Cardoso Guilles da Conceição. "ESTOQUES DE CARBONO LÁBIL E TOTAL EM SOLO SOB INTEGRAÇÃO LAVOURA-PECUÁRIA-FLORESTA NA REGIÃO DE TRANSIÇÃO CERRADO/AMAZÔNIA." Nativa 5 (January 23, 2018): 515–21. http://dx.doi.org/10.31413/nativa.v5i7.4581.

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Objetivou-se comparar o sistema de integração lavoura-pecuária-floresta com sistemas exclusivos quanto à assimilação e manutenção do carbono orgânico total (COT) e carbono lábil (CL), após o segundo ano de estabelecimento. Os tratamentos constituíram os seguintes sistemas de produção: floresta de eucalipto (EUC), pastagem com Brachiaria brizantha (PAST), lavoura de soja-milho consorciada com B. brizantha (LAV) e integração lavoura-pecuária-floresta (ILPF). Uma área de fragmento florestal nativo (Mata) e uma de pousio (Pousio) foram utilizadas como referência. A área sob cultivo de EUC obteve o

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Correa, Fermiano Eder, Vancleber Divino Silva-Alves, Matheus Oliveira Neves, Odair Silva-Diogo, Manoel dos Santos-Filho, and Dionei José da Silva. "New records and distribution map of Gold-striped Frog, Lithodytes lineatus (Schneider, 1799) (Anura, Leptodactylidae), in an ecotonal zone in Mato Grosso, Brazil." Check List 17, no. (1) (2021): 7–11. https://doi.org/10.15560/17.1.7.

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<em>Lithodytes lineatus</em> (Schneider, 1799) is a small, litter-dwelling frog widely distributed in the Amazon Ecoregion and some transitional areas between the Amazon and Cerrado. Here we report seven new records of this species in a transitional zone between Amazon, Chiquitano Dry Forest and Cerrado ecoregions in the state of Mato Grosso, Brazil. These are the southernmost records of the species, expanding its distribution in 320 km from the nearest record in Bolivia.

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FADEL, RENATA MOLEIRO, LEANDRO ALVES DA SILVA, LUIS REGINALDO RIBEIRO RODRIGUES, REUBER ALBUQUERQUE BRANDÃO, DIEGO JOSÉ SANTANA, and SARAH MANGIA. "A taxonomic integrative approach of the anuran species from a Cerrado-Amazonian transitional area in western Tocantins state, Brazil." Zootaxa 5618, no. 1 (2025): 1–28. https://doi.org/10.11646/zootaxa.5618.1.1.

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Due to their complexity environments, ecotonal areas harbor high levels of biodiversity. The Cerrado is geographically situated among other Brazilian biomes and exhibits extensive transitional areas with neighboring biomes. The state of Tocantins, in northern Brazil, has a vast transitional area between the Cerrado and Amazonia in the North and West. Despite the remarkable richness revealed in recent studies, the anuran fauna of Tocantins is likely underestimated, as several municipalities have knowledge gaps, particularly those located in these Cerrado-Amazonia transitional areas. Here, we im

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OLIVEIRA-JUNIOR, José Max Barbosa, Sara Miranda ALMEIDA, Lucirene RODRIGUES, Ailton Jacinto SILVÉRIO JÚNIOR, and Evandson José ANJOS-SILVA. "ORCHID BEES (APIDAE: EUGLOSSINI) IN A FOREST FRAGMENT IN THE ECOTONE CERRADO-AMAZONIAN FOREST, BRAZIL." Acta Biológica Colombiana 20, no. 3 (2015): 67–78. http://dx.doi.org/10.15446/abc.v20n3.41122.

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<p>This paper presents information about the species richness and abundance of orchid bees in the transitional area between the Cerrado and the Amazon Forest in the Xingu river basin. The males were collected in a forest fragment in the municipality of Ribeirão Cascalheira, northeast Mato Grosso state, Brazil, between 1 and 5 November 2011. Benzyl benzoate, 1.8 cineole, eugenol and vanillin were used as baits, to attract the bees using insect nets and methyl salicylate was used only in the bottle traps. A total of 168 males belonged to four<em> </em>of five Euglossini genera

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Reis, Amanda da Silva, Rubson da Costa Leite, Guilherme Octávio de Sousa Soares, et al. "Soil Chemical attributes under different management systems in Cerrado-Amazon ecotone." Research, Society and Development 10, no. 7 (2021): e36210716045. http://dx.doi.org/10.33448/rsd-v10i7.16045.

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The Cerrado-Amazonas ecotone occupies 4.85% of the Brazilian territory, with almost 60% of its area deforested. Inadequate soil management practices cause changes in the physical, chemical and biological soil attributes. This study aimed to characterize soil chemistry in different management systems, identifying its efficiency. Ten areas were divided into two soil classes (Ultisol and Entisol quartzipsamment), each comprising a management system (1 - silvopastoral with 30% shade (SP30), 2 - silvopastoral with 60% shade (SP60), 3 - secondary forest, 4 - native forest, 5 – pasture conventional (

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Silva-Alves, Vancleber Divino, Rosana dos Santos D'Avila, Thatiane Martins da Costa, et al. "Geographic range extension of Elachistocleis corumbaensis Piva, Caramaschi & Albuquerque, 2017 (Anura, Microhylidae) with new records in ecotonal zones in the state of Mato Grosso, Brazil." Check List 15, no. 1 (2019): 17–20. http://dx.doi.org/10.15560/15.1.17.

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Elachistocleis corumbaensis was documented in 2017 in the central region of the Brazilian Pantanal and no other record of the species has since been reported. In this study, we report on the extension of the geographic range of E. corumbaensis based on 4 new records found in the riparian forests of the Paraguay River, in the state of Mato Grosso. Of these, 1 specimen was collected in a protected area in the Pantanal. We also report on the presence of this species in the ecotones between the Pantanal, Cerrado, and Amazonia, which suggests that E. corumbaensis is associated with seasonally flood

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Silva-Alves, Vancleber Divino, Santos D'Avila Rosana dos, da Costa Thatiane Martins, et al. "Geographic range extension of Elachistocleis corumbaensis Piva, Caramaschi & Albuquerque, 2017 (Anura, Microhylidae) with new records in ecotonal zones in the state of Mato Grosso, Brazil." Check List 15, no. (1) (2019): 17–20. https://doi.org/10.15560/15.1.17.

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<em>Elachistocleis corumbaensis</em> was documented in 2017 in the central region of the Brazilian Pantanal and no other record of the species has since been reported. In this study, we report on the extension of the geographic range of <em>E. corumbaensis</em> based on 4 new records found in the riparian forests of the Paraguay River, in the state of Mato Grosso. Of these, 1 specimen was collected in a protected area in the Pantanal. We also report on the presence of this species in the ecotones between the Pantanal, Cerrado, and Amazonia, which suggests that <em>E. corumbaensis </em>is assoc

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Soares, Matheus Bortolanza, Joaquim Pedro De Lima, Onã Da Silva Freddi, Tauan Rimoldi Tavanti, and Renan Francisco Rimoldi Tavanti. "DESEMPENHO DE CULTIVARES DE FEIJOEIRO IRRIGADO NO ECÓTONO CERRADO-AMAZÔNIA." Nativa 7, no. 3 (2019): 244. http://dx.doi.org/10.31413/nativa.v7i3.6494.

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O uso da irrigação por pivô central favorece o cultivo do feijoeiro de terceira safra, contudo, limitações à produtividade são observadas quando cultivados em sistema de semeadura direta, sendo a compactação superficial, incidência de nematoides e variabilidade espacial vertical e horizontal dos nutrientes do solo os principais fatores limitantes deste sistema. O objetivo do estudo foi avaliar o desempenho de cultivares de feijoeiro irrigado em terceira safra, cultivados em sistema de semeadura direta e sua correlação com a fertilidade do solo e incidência de nematoides na região de ecótono Ce

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Moura, Aloysio Souza de, Daniel Batista de Souza, Felipe Santana Machado, Urica Carolina Lemos Mengez, Ravi Fernandes Mariano, and Marco Aurélio Leite Fontes. "Distribuição do ameaçado papagaio-do-peito-roxo, Amazona vinacea (Kuhl, 1820), e de outros Psittacídeos na região ecotonal Cerrado/Floresta Atlântica do Sul de Minas Gerais." Regnellea Scientia 8, no. 2 (2022): 84–97. http://dx.doi.org/10.61202/2525-4936.v8.n2.2022.84-97.

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O Brasil possui 87 espécies de aves da família Psittacidae. Mesmo sendo a região ecotonal do Cerrado e Mata Atlântica no sul do estado de Minas Gerais ornitologicamente bem estudada, ainda não há levantamentos focando a distribuição de psittacídeos na região. Este trabalho teve como objetivo relatar as áreas de ocorrência do ameaçado Amazona vinacea e de outras aves da família Psittacidae na região em questão, que foram obtidas através de observações de campo entre os anos de 2004 a 2019. São apresentados registros de 12 espécies de aves desta família.

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FREDDI, ONÃ DA SILVA, RENAN FRANCISCO RIMOLDI TAVANTI, MATHEUS BORTOLANZA SOARES, FREDERICO TERRA DE ALMEIDA, and FERNANDA SALLES CUNHA PERES. "PHYSICAL-CHEMICAL QUALITY OF A LATOSSOL UNDER DIRECT SEEDING AND SOYBEAN-CORN SUCCESSION IN THE CERRADO-AMAZONIAN ECOTONE." Revista Caatinga 30, no. 4 (2017): 991–1000. http://dx.doi.org/10.1590/1983-21252017v30n420rc.

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ABSTRACT The soybean-corn succession in no-tillage system (DSS) is the most common cultivation practice in the state of Mato Grosso. Soils submitted to this type of system are prone to the formation of fertility gradients and surface compaction, restricting crop productivity. The objective of this work was to evaluate the physical-chemical attributes of an Oxisol after 11 years of continuous succession of soybean and corn in direct seeding, using geostatistical analysis techniques and main components. The experiment was conducted at the Chão Nativo farm located in the municipality of Sinop, Ma

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Costa, Wilson, Pedro Amorim, and Raisa Rizzieri. "Molecular phylogeny and biogeography of the South American savanna killifish genus Melanorivulus (Teleostei: Rivulidae)." Vertebrate Zoology 66 (December 13, 2016): 267–73. https://doi.org/10.3897/vz.66.e31565.

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This study comprises the first molecular phylogeny of Melanorivulus, a genus of small killifishes inhabiting shallow streams draining South American savannas, using segments of the mitochondrial genes 16S and ND2 and the intron 1 of the nuclear S7 gene, total of 2,138 bp, for 26 taxa. Monophyly of the genus is highly supported and some clades previously diagnosed on the basis of colour patterns are corroborated. A biogeographical analysis using event-based methods indicated that the most recent common ancestor of Melanorivulus occupied a region comprising the savannas of the eastern Amazon and

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MARIMON, B. S., J. M. FELFILI, and E. S. LIMA. "FLORISTICS AND PHYTOSOCIOLOGY OF THE GALLERY FOREST OF THE BACABA STREAM, NOVA XAVANTINA, MATO GROSSO, BRAZIL." Edinburgh Journal of Botany 59, no. 2 (2002): 303–18. http://dx.doi.org/10.1017/s0960428602000124.

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The study was carried out on the gallery forest of the Bacaba stream situated in the Municipal Ecological Reserve ‘Mário Viana’ (14°43′S, 52°21′W) in Nova Xavantina, Eastern Mato Grosso, Brazil. Three sections of the gallery (upper, middle and lower) running downstream and differing in slope were surveyed by stratified sampling. Fortyseven nested 10m × 10m plots were analysed in each section, giving a total sampling area of 1.41ha overall. All trees or lianas ≥ 15cm girth at breast height were recorded and a total of 129 species belonging to 105 genera and 47 families were found. Diversity was

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de Souza, Adilson Pacheco, Tamara Zamadei, Daniela Roberta Borella, Charles Campoe Martim, Frederico Terra de Almeida, and João Francisco Escobedo. "Diurnal Evolution and Estimates of Hourly Diffuse Radiation Based on Horizontal Global Radiation, in Cerrado-Amazon Transition, Brazil." Atmosphere 14, no. 8 (2023): 1289. http://dx.doi.org/10.3390/atmos14081289.

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In the Cerrado-Amazonian ecotone in the State of Mato Grosso, intensely altered by anthropic action, the knowledge and processes of energy conversion and energy balance are still incipient, making the monitoring and modeling of diffuse radiation essential for several applications. The objective of this study was to evaluate the seasonality of the diurnal evolution and estimate the hourly diffuse radiation (Hdh) and incident radiation in the horizontal plane between June 2011 and October 2016. The instantaneous measurements (5 min) of diffuse radiation underwent geometric, astronomical, and ani

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Vitt, Laurie J., and Guarino R. Colli. "Geographical ecology of a Neotropical lizard: Ameiva ameiva (Teiidae) in Brazil." Canadian Journal of Zoology 72, no. 11 (1994): 1986–2008. http://dx.doi.org/10.1139/z94-271.

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The large-bodied teiid lizard Ameiva ameiva was studied at eight different sites in four major South American habitats of Brazil: caatinga, cerrado, Amazonian rain forest, and Amazonian savanna. We found striking similarity in ecological attributes of this lizard among very different habitats. Activity is concentrated in late morning and early afternoon; active body temperatures average 37.9 ± 0.09 °C and vary little among sites or throughout the day; the diet consists of a variety of vertebrates and invertebrates but is dominated by grasshoppers, roaches, beetles, spiders, and insect larvae;

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MARIMON, B. S., J. M. FELFILI, and M. HARIDASAN. "STUDIES IN MONODOMINANT FORESTS IN EASTERN MATO GROSSO, BRAZIL: II. A FOREST IN THE AREÕES XAVANTE INDIAN RESERVE." Edinburgh Journal of Botany 58, no. 3 (2001): 483–97. http://dx.doi.org/10.1017/s0960428601000798.

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The floristic composition, structure, soil fertility and leaf nutrient concentrations were analysed in a monodominant forest of Brosimum rubescens Taub. located in the Areões Xavante Indigenous Reserve (14°34′S, 51°58′W). The area lies in the ecotone between Amazonian forest and cerrado in the municipality of Água Boa, Mato Grosso State, Brazil. Sixty nested plots (10 × 10m each) were located in a representative portion of the forest, giving a total sampling area of 0.6ha (40 × 150m). A total of 609 trees ≥ 5cm dbh belonging to 57 species, 46 genera and 32 families were present. The most impor

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Lima-Silva, Luan Gabriel, Ravena Fernanda Braga de Mendonça, Leonan da Silva Dutra, and Rogério Vieira Rossi. "New records and geographic distribution extension of two primate species in the Amazonia-Cerrado transition area, Brazil." Mammalia, February 14, 2022. http://dx.doi.org/10.1515/mammalia-2021-0034.

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Abstract We expanded the geographical distribution of Ateles marginatus and Chiropotes albinasus to the Amazonia-Cerrado ecotone region. Visual records were made while surveying through linear transections in a forest area associated with two important rivers that form the Xingu River in the central region of Mato Grosso State, Brazil. Females were observed with infants in the dry and rainy seasons. Other primate species locally recorded are Alouatta caraya, Mico emiliae, Plecturocebus vieirai, and Sapajus libidinosus. Our records demonstrate the importance of continuous forest areas in mainta

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Lanna, Leonardo Moutinho, Lucas Linhares Fiat, João Felipe Herculano, Julio Rivera, and Pedro Peloso. "A new species of Microphotina Beier, 1935 from the southernmost region of Amazonia (Mantodea: Photinaidae)." European Journal of Taxonomy 870 (May 19, 2023). http://dx.doi.org/10.5852/ejt.2023.870.2121.

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A new species of Microphotina Beier, 1935 (Mantodea: Photinaidae: Microphotinini), Microphotina cristalino sp. nov., is described from Mato Grosso, Brazil based on two male specimens. The new species extended the distribution of Microphotina to the southern limits of the Amazon rainforest, in the Cerrado-Amazônia ecotone. A synthesis of the taxonomy, systematics, natural history, and geographic distribution of Microphotina spp. is provided, along with an updated dichotomous key to species. The hypothesis that Microphotina represents a canopy-dwelling lineage is formulated. The role of praying

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Dalapicolla, Jeronymo, Jason T. Weir, Sibelle Torres Vilaça, et al. "Whole genomes show contrasting trends of population size changes and genomic diversity for an Amazonian endemic passerine over the late quaternary." Ecology and Evolution 14, no. 4 (2024). http://dx.doi.org/10.1002/ece3.11250.

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AbstractThe “Amazon tipping point” is a global change scenario resulting in replacement of upland terra‐firme forests by large‐scale “savannization” of mostly southern and eastern Amazon. Reduced rainfall accompanying the Last Glacial Maximum (LGM) has been proposed to have acted as such a tipping point in the past, with the prediction that terra‐firme inhabiting species should have experienced reductions in population size as drier habitats expanded. Here, we use whole‐genomes of an Amazonian endemic organism (Scale‐backed antbirds – Willisornis spp.) sampled from nine populations across the

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Rocha, Rita Gomes, Eduardo Ferreira, Iracy Coelho Menezes Martins, Leonora Pires Costa, and Carlos Fonseca. "Seasonally flooded stepping stones: emerging diversity of small mammal assemblage in the Amazonia-Cerrado ecotone, central Brazil." Zoological Studies 53, no. 1 (2014). http://dx.doi.org/10.1186/s40555-014-0060-0.

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Saraiva, Raysa Valéria Carvalho, Léo Vieira Leonel, Izadora Santos de Carvalho, et al. "Soil-vegetation relationships influence the regeneration after fire in the species composition and structural parameters of Cerrado-Amazonia ecotone." Acta Botanica Brasilica 38 (2024). http://dx.doi.org/10.1590/1677-941x-abb-2023-0169.

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Silva Junior, Wagner Ribeiro da, Jefferson Prado, Alessandro Wagner Coelho Ferreira, Rozijane Santos Fernandes, and Hermeson Cassiano de Oliveira. "Lycophytes and ferns of an Amazonian-Cerrado ecotone in Maranhão State, Northeastern Brazil: identification key and annotated list of taxa." Biota Neotropica 24, no. 2 (2024). http://dx.doi.org/10.1590/1676-0611-bn-2023-1564.

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Abstract We present a key to identify and an annotated list of lycophytes and ferns of the Immediate Geographical Region of São Luís, Maranhão State, which has ecotonal characteristics of Amazonian Forest, Cerrado, and Coastal Vegetation. Specimens were collected monthly between April 2020 and September 2022 in the 13 municipalities of this region. A total of 64 species were identified, including 61 species of ferns, in 18 families and 38 genera, and three species of lycophytes, in two genera and one family. The most representative families were Pteridaceae (18 species) and Polypodiaceae (nine

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Fortes, Elenice A., Jacob B. Landis, Hans ter Steege, Chelsea D. Specht, Jeff J. Doyle, and Vidal de F. Mansano. "Nuclear phylogenomics of Eperua (Leguminosae) highlights the role of habitat and morphological lability in dispersal and diversification across Amazonia and in the Caatinga-Cerrado ecotone." Molecular Phylogenetics and Evolution, November 2024, 108236. http://dx.doi.org/10.1016/j.ympev.2024.108236.

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Kelley, Douglas I., Hiromitsu Sato, Michaela Ecker, Chantelle A. Burton, João M. G. Capurucho, and John Bates. "Niche-dependent forest and savanna fragmentation in Tropical South America during the Last Glacial Maximum." npj Biodiversity 3, no. 1 (2024). http://dx.doi.org/10.1038/s44185-024-00056-4.

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AbstractThe refugia hypothesis, often used to explain Amazonia’s high biodiversity, initially received ample support but has garnered increasing criticism over time. Palynological, phylogenetic, and vegetation model reconstruction studies have been invoked to support the opposing arguments of extensive fragmentation versus a stable Amazonian Forest during Pleistocene glacial maxima. Here, we test the past existence of forest fragments and savanna connectivity by bias-correcting vegetation distributions from a Dynamic Vegetation Model (DVM) driven by paleoclimate simulations for South America d

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Ribeiro da Silva Junior, Wagner, Jefferson Prado, Alessandro Wagner Coelho Ferreira, and Hermeson Cassiano de Oliveira. "Floristic similarity of lycophytes and ferns in the Amazonia/Cerrado transition zone in the central region of northern Maranhão state, Brazil." Scientia Plena 19, no. 6 (2023). http://dx.doi.org/10.14808/sci.plena.2023.061201.

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Floristic similarity studies make it possible to compare species richness between different phytophysiognomies and to assess whether species are typical of a phytophysiognomies or if they are common to two or more phytophysiognomies. The Immediate Geographic Region of São Luís (IGR), in the central region of northern Maranhão, is characterized by the presence of Amazonia, Cerrado, and coastal vegetation phytophysiognomies. The objectives of this work were to verify if the fern and lycophyte species in the IGR are similar to those in another Amazonia and Cerrado phytophysiognomies in Maranhão a

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Zangeski Novais, Jonathan Willian, Fernando da Silva Sallo, Maria Aparecida Pereira Pierangelli, Osvaldo Borges Pinto Junior, Danielle da Silva Batista, and Levi Pires de Andrade. "Evaluating Soil Carbon Efflux Responses to Soil Moisture and Temperature Variations in Brazilian Biomes." Global Journal of Human-Social Science, December 28, 2023, 11–20. http://dx.doi.org/10.34257/gjhssbvol23is6pg11.

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Changes in soil moisture and temperature can directly influence soil carbon emissions, which can add carbon to the atmosphere and make the greenhouse effect more intense. In this sense, research is needed that contributes to this knowledge and that simulates future scenarios, allowing actions to be taken in advance. Thus, an experiment was set up in which carbon dioxide efflux was collected over a period of one year in three Brazilian biomes, Cerrado, Pantanal, and Cerrado-Amazonian Ecotone, and to verify the influence of soil moisture, leaf area index and litter, multiple regression models we

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Ferragutti, Aline C., Eddie Lenza, Henrique A. Mews, et al. "Spatio‐temporal variability in seed production of tree species: implications for restoration in the Cerrado–Amazonia transition zone." Restoration Ecology, October 7, 2024. http://dx.doi.org/10.1111/rec.14299.

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The use of propagules collected in ecotonal regions for restoration purposes is challenging because of the mix of species from different vegetation types and reproductive phenological variability. We used a database of the Xingu Seed Network in Brazil, which contains data on 139 native tree species for 8 years (2011–2018) in the Cerrado–Amazonia transition zone, to answer three questions: (1) What is the spatio‐temporal variability in the seed dispersal of tree species, and how does it relate to the species' preferential habitat? (2) Is there a relationship between the seed dispersal period an

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Batista, Nayara Lima, Benaya Nogueira Leles, Emilly Nogueira Alves, Márcio da Silva Araújo, and Ednaldo Cândido Rocha. "Medium and large-sized mammals of Cantão region, Tocantins, Brazil: inventory and habitat use." Biota Neotropica 25, no. 1 (2025). https://doi.org/10.1590/1676-0611-bn-2024-1724.

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Abstract Medium and large-sized mammals contribute with high relevance to ecosystem processes, being considered key species in the preservation and integrity of biological systems. Information about the distribution, structure, and composition of mammal communities is crucial for developing effective conservation strategies. In this study, we inventoried medium and large-sized mammals and investigated habitat use by mammalian fauna in a transitional area between the Amazon-Cerrado ecotone, in the Cantão region, Tocantins state, Brazil. From July 2019 to November 2020, we conducted bimonthly ca

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Meireles, Andressa Cavalcante, Ageu da Silva Monteiro Freire, Wagner de Melo Ferreira, and Rodney Haulien Oliveira Viana. "PHENOLOGICAL SYNCHRONICITY OF Byrsonima pachyphylla A. Juss. AND B. verbascifolia (L.) DC. (MALPIGHIACEAE) AND ITS RELATION WITH CLIMATE SEASONALITY." Revista Árvore 47 (2023). http://dx.doi.org/10.1590/1806-908820230000018.

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ABSTRACT Phenology is defined as the study of the timing of biological events and the biotic and abiotic factors that trigger them. This study reports a description of the phenology of Byrsonima pachyphylla and B. verbascifolia in an ecotonal area between the Cerrado and Amazonia biomes in the Brazilian state of Tocantins, to contribute to a better understanding of their autoecology in this region. Two populations of 15 adult individuals of each species, randomly selected in a Cerrado area in Porto Nacional, Tocantins, were surveyed for 12 months. Percentages were estimated of leaf flush, youn

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