Ecoregions
Mostrando 1-12 de 27 artigos, teses e dissertações.
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1. Macrophyte functional composition is stable across a strong environmental gradient of a Neotropical floodplain
ABSTRACT Ecological communities are compared by the similarity or distinctness of their species. Taking into account community composition at a determined site, one could expect a similar reasoning to explain differences in both taxonomic and functional composition due to environmental gradients. We aim to evaluate spatial variation in functional composition
Acta Bot. Bras.. Publicado em: 2021-03
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2. DIFFERENTIAL RESPONSE OF EPIPHYTIC LICHEN TAXA TO AGRICULTURAL LAND USE IN A FRAGMENTED FOREST IN CENTRAL ARGENTINA
ABSTRACT The seasonally dry subtropical forest, especially the Espinal forest in central Argentina (one of the most fragmented ecoregions), is affected by intensive agricultural activity. These activities are the main anthropogenic sources of atmospheric nitrogen compounds and their effects on lichens have been extensively studied, making them excellent ecol
CERNE. Publicado em: 2020-06
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3. Roadkilled mammals in the northern Amazon region and comparisons with roadways in other regions of Brazil
RESUMO As rodovias e o fluxo de veículos contribuem para os processos de fragmentação da paisagem e alteração do habitat natural, representando ameaça para conservação das espécies em diversos biomas. Este estudo avalia os registros de atropelamentos das espécies de mamíferos silvestres e compara este com outros 37 estudos realizados no Brasil, pa
Iheringia, Sér. Zool.. Publicado em: 11/11/2019
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4. Turismo de observação de aves no Chaco: oportunidades e desafios ao Corredor Bioceânico, segmento Brasil / Paraguai
Resumo: A região de fronteira entre Brasil e Paraguai, no estado de Mato Grosso do Sul, encontra-se no centro de uma dos Corredores Bioceânicos proposts e contempla áreas naturais de Chaco e Pantanal com exuberante biodiversidade. O ecoturismo tem na biodiversidade sua principal fonte de insumos, onde se destaca o turismo de observação de aves. Além de
Interações (Campo Grande). Publicado em: 05/09/2019
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5. Comparative cytogenetics of nine populations of the Rhinella genus (Anura, Bufonidae) with a highlight on their conservative karyotype
Abstract The genus Rhinella is one of the most diverse groups of bufonid toads, currently composed by 93 valid species and naturally distributed throughout different Neotropical ecoregions. Here, we analyze nine Brazilian populations of toads representing species of the Rhinella margaritifera and Rhinella marina groups. These new data include the first descr
Genet. Mol. Biol.. Publicado em: 27/06/2019
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6. Updates on extratropical region climbing plant flora: news regarding a still-neglected diversity
ABSTRACT Most studies concerning climbing plants have focused on lianas, forest ecosystems, and tropical regions. Thus, the majority of existing information is not relevant to all climbing plants (lianas and vines) or all ecoregions of the world (forested and non-forested). We provide an update on floristic and distributional data available for climbing plan
Acta Bot. Bras.. Publicado em: 19/06/2019
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7. Treehopper (Membracidae, Auchenorrhyncha) assemblages in four semi-arid areas of caatinga of Northeast Brazil
Resumo As taxocenoses de membracídeos foram amostradas em quatro áreas de Caatinga do semiárido do Nordeste brasileiro, durante a estação chuvosa de 2016 e 2017, utilizando três métodos distintos de captura. Essas áreas estão inseridas em duas Ecorregiões da Caatinga, Depressão Sertaneja Setentrional e Planalto da Borborema. Um total de 2.394 indi
Biota Neotrop.. Publicado em: 11/02/2019
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8. TWO NEW SPECIES OF MYOTIS (CHIROPTERA: VESPERTILIONIDAE) FOR ARGENTINA
ABSTRACT Seven new species of Myotis have been recently described from South America, elevating to 20 the total number of species of the genus recognized for the region. Myotis izecksohni and Myotis lavali were recently described from the States of Río de Janeiro, Paraná and Pernambuco, Brazil. These are clearly different from all other known species of th
Pap. Avulsos Zool.. Publicado em: 2017
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9. Análisis de diversidad de la familia Poaceae en la región austral de America del Sur
Abstract Analysis of Poaceae biodiversity in austral South America. The Poaceae is one of the best represented families in austral South America with a total of 206 genera comprising 1523 species arranged in 10 different subfamilies. Here we analyzed the distribution of these taxa in Argentina, southern Brazil (Paraná, Rio Grande do Sul and Santa Catarina),
Rodriguésia. Publicado em: 2015-06
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10. Infestation of thornbird nests (Passeriformes: Furnariidae) by Psammolestes tertius (Hemiptera: Reduviidae) across Brazilian Cerrado and Caatinga ecoregions
Psammolestes tertius Lent & Jurberg, 1965 is a sylvatic triatomine bug species that occurs in thornbird nests in Brazil. We studied infestation of 527 nests of Phacellodomus rufifrons Wied, 1821 and Phacellodomus ruber Vieillot, 1817 by P. tertius in eight Brazilian states across the Cerrado and Caatinga ecoregions. Psammolestes tertius occurred in 44% of th
Zoologia (Curitiba). Publicado em: 2011-06
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11. Preliminary characterization of Psidium germplasm in different Brazilian ecogeographic regions.
The objective of this work was to characterize 119 accessions of guava and 40 accessions of "araçá" sampled in 35 Brazilian ecoregions, according to the International Union for the Protection of New Varieties of Plants (UPOV) descriptors. The majority of "araçá" accessions presented wide spacing of leaf veins, while guava accessions presented medium to c
Pesquisa Agropecuária Brasileira. Publicado em: 2011
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12. Mammal occurrence and roadkill in two adjacent ecoregions (Atlantic Forest and Cerrado) in south-western Brazil
This paper examines the frequencies of mammal roadkill in two adjacent biogeographic ecoregions (Atlantic Forest and Cerrado) of Brazil. Mammals were recorded during a seven-year period and over 3,900 km of roads, in order to obtain data for frequencies of species in habitats (sites) and frequencies of species killed by cars on roads. Sites (n = 80) within e
Zoologia (Curitiba). Publicado em: 2010-10