Results 81 to 90 of about 2,001 (204)

An inverse latitudinal gradient in intraspecific genetic diversity of a dominant ant in the neotropical savanna

Ecosphere, Volume 17, Issue 4, April 2026.
Abstract Although latitudinal gradient of diversity (LGD) is a biogeographic pattern widely shown for distinct animal groups, some display the opposite pattern, with biodiversity peaking away from the equator. These inverse gradients may result from drivers that also overlap with extrinsic factors shaping genetic diversity across taxa, a level of ...
Marianne Azevedo‐Silva, Marina C. Côrtes, Sebastian F. Sendoya, Pedro A. S. Longo, Anselmo Nogueira, Gustavo M. Mori, Shun K. Hirota, Yoshihisa Suyama, A. P. de Souza, Paulo S. Oliveira   +9 more
wiley   +1 more source

ATRIBUTOS QUÍMICOS E FÍSICOS DO SOLO, ESTOQUES DE CARBONO E NITROGÊNIO E FRAÇÕES HÚMICAS EM DIFERENTES FORMAÇÕES VEGETAIS

Ciência Florestal, 2015
Cerrado biome is the second largest Brazilian biome, where different phyto-physiognomical features are observed, which may be influenced by soil factors.
Romulo Guimarães Giácomo, Marcos Gervasio Pereira, Roni Fernandes Guareschi, Deivid Lopes Machado   +3 more
doaj  

Modelos hipsométricos ajustados para um fragmento de cerrado Sensu stricto tocantinense [PDF]

Revista Agrogeoambiental, 2019
Para uma redução dos custos de inventário florestal, os modelos hipsométricos são de grande valia. O presente trabalho teve como objetivo ajustar e avaliar modelos de relação hipsométrica em área de Cerrado em processo regenerativo situada no município de Gurupi (TO). Foram testados dez modelos, incluindo cinco lineares e cinco não lineares, no qual os
Igor Elói Silva Machado, Paulo Cesar Alves de Oliveira Medeiros, Marla Guedes Cordeiro Carvalho, Claudia Alicia Marin Perez, Thiago Franco Santana, Valdir Carlos de Lima Andrade   +5 more
openaire   +2 more sources

Taxonomy and diversity of Marcgraviaceae, north of the São Francisco river, northeast Brazil

Nordic Journal of Botany, Volume 2026, Issue 4, April 2026.
This study provides a comprehensive assessment of Marcgraviaceae species diversity north of the São Francisco river in northeastern Brazil, analyzing species richness and distribution patterns across 384 000 km² of phytogeographic domains. Through field collections, herbarium studies (both physical and digital), and detailed morphological analyses, we ...
Thales Carvalho, D. Victor Souza e Silva, William Matzenauer, Yuri Couceiro, Marccus Alves   +4 more
wiley   +1 more source

Carbon Stocks in Compartments of Soil Organic Matter 31 Years after Substitution of Native Cerrado Vegetation by Agroecosystems

Revista Brasileira de Ciência do Solo, 2016
Changes in carbon stocks in different compartments of soil organic matter of a clayey Latossolo Vermelho Distrófico (Typic Haplustox), caused by the substitution of native savanna vegetation (cerrado sensu stricto) by agroecosystems, were assessed after ...
Eloisa Aparecida Belleza Ferreira, Mercedes Maria da Cunha Bustamante, Dimas Vital Siqueira Resck, Cícero Célio de Figueiredo, Alexandre de Siqueira Pinto, Juaci Vitória Malaquias   +5 more
doaj   +1 more source

Seasonality as a structuring factor of the dung beetle community in burned neotropical savannas

Ecological Entomology, Volume 51, Issue 2, Page 336-345, April 2026.
We tested the effects of fire, vegetation cover and seasonality on dung beetle communities, focusing on species richness, composition and co‐occurrence patterns in savannas. Fire did not affect species richness. However, seasonality was the dominant factor influencing species composition, followed by fire and vegetation cover.
Nayara Letícia Reis, Kênia A. Santos, Luiz Cortez, Julio Louzada   +3 more
wiley   +1 more source

Avaliação de Métodos de Medição de Altura de árvores em Área de Cerrado Sensu Stricto

, 2018
O bioma Cerrado tem grande importância na biodiversidade mundial em função de sua riqueza biótica e nível de endemismo. Este trabalho testa a hipótese de que os métodos alternativos de medição de árvores, baseados no princípio geométrico, podem ...
Andrade, Valdir Carlos Lima de, Fenandes, Hallefy Elias, Mendonça, Álvaro Lúcio Velasco Machado, Ribeiro, João Carlos Noleto, Andrade, Thaynan Gomes   +4 more
core   +1 more source

Produção de serrapilheira no Cerrado e Floresta de Transição Amazônia-Cerrado do Centro-Oeste Brasileiro Litterfall production in the Brazilian mid-western Amazonia-Cerrado transition forest

Acta Amazonica, 2007
O presente trabalho teve como objetivo verificar a variação da produção de serrapilheira de diferentes biomas: Cerrado (com as fitofisionomias Cerrado sensu stricto e Cerradão) e Floresta de Transição Amazônia-Cerrado, em clima tropical.
Carlos José da Silva, Luciana Sanches, Monica Elisa Bleich, Francisco de Almeida Lobo, José de Souza Nogueira   +4 more
doaj   +1 more source

STRUCTURE AND DIVERSITY OF THE ARBOREAL COMPONENT IN CERRADO SENSU STRICTO IN NORTHERN MINAS GERAIS

FLORESTA, 2020
Due to a rapid change in the land use in northern Minas Gerais State, southeastern Brazil, large amounts of cerrado have been converted into crops. There is little information about the structure and diversity of the remaining communities in the region.
Priscila Mendes Lima, Daniel Meira Arruda, Rúbia Santos Fonseca, Deicy Danielle Silva   +3 more
openaire   +2 more sources

The role of habitat simplification and seasonality in shaping interactions between ants, plants and herbivores in a neotropical savanna

Ecological Entomology, Volume 51, Issue 2, Page 381-394, April 2026.
We evaluated how chronic anthropogenic disturbances (CAD) and seasonal variation influence interactions between ants and plants with extrafloral nectaries (EFN's), with emphasis on the responses of ants, herbivores, and plants. Ant and herbivore diversity remained stable across seasons in the preserved cerrado, whereas the pasture had higher ant ...
Edvânia Costa de Oliveira Sá, Flávio Camarota, Poliane Neres Morais, Érica Vanessa Durães de Freitas, Frederico Neves, Tatianne Gizelle Marques Silva, Walter Santos de Araújo   +6 more
wiley   +1 more source