Results 51 to 60 of about 24,787 (224)

Unravelling the drivers of island species richness in tropical savannas

open access: yesJournal of Ecology, Volume 114, Issue 4, April 2026.
Murundu island area explains a substantial proportion of the variation in tree and herb richness, consistent with Island Biogeography Theory. On average, a 10% increase in island size corresponds to increases of seven tree species and 7.8 herb species.
Henrique A. Mews   +5 more
wiley   +1 more source

Dinâmica do carbono da biomassa microbiana em cinco épocas do ano em diferentes sistemas de manejo do solo no cerrado Microbial biomass carbon dynamics in different soil management systems in the cerrado

open access: yesRevista Brasileira de Ciência do Solo, 2007
Em um Latossolo Vermelho argiloso, na Embrapa Cerrados, em Planaltina, Distrito Federal, foram selecionadas uma área com vegetação de Cerrado (CE) e seis parcelas de um experimento de longa duração (20 anos): arado de discos pré-plantio (ADPP); arado de ...
Eloisa Aparecida Belleza Ferreira   +3 more
doaj   +1 more source

Hyperdominant Trees Reveal Savanna Vulnerability Under Climate Change

open access: yesGlobal Change Biology, Volume 32, Issue 4, April 2026.
The Brazilian Cerrado's forest structure relies disproportionately on just 30 hyperdominant tree species, which represent 50% of all individuals despite accounting for only 2% of species richness. This study evaluates their vulnerability under climate change scenarios for 2100.
Facundo Alvarez   +32 more
wiley   +1 more source

Análise da estrutura de duas unidades fitofisionômicas de savana (cerrado) no sul do Brasil Structural analysis of two physiognomic types of savanna ("cerrado") from southern Brazil

open access: yesActa Botânica Brasílica, 1998
A região de Jaguariaíva. situada no Estado do Paraná, sul do Brasil, abriga os últimos remanescentes de savana no Estado e pode ser considerada como marco do limite meridional de distribuição deste tipo de vegetação no Brasil.
Alexandre Uhlmann   +2 more
doaj   +1 more source

Seasonal and Within‐Day Variation on Hummingbirds Visits and Dominance Hierarchy in a Brazilian Cerrado Area

open access: yesAustral Ecology, Volume 51, Issue 3, March 2026.
ABSTRACT Plant‐hummingbird interaction networks can be influenced by environmental conditions and resources, which vary seasonally and daily. We aimed to understand how variations in these parameters across these two temporal windows influence patterns of plant‐hummingbird interactions and hummingbirds dominance hierarchies in a Brazilian Cerrado ...
Jeane Lima‐Passos   +3 more
wiley   +1 more source

Threats to the Cerrado remnants of the state of São Paulo, Brazil Ameaças a fragmentos de Cerrado no estado de São Paulo, Brasil

open access: yesScientia Agricola, 2007
Patches of natural vegetation remaining in landscapes occupied by man are continuously under threat due to the edge effects and also to land use types around these remnants.
Giselda Durigan   +2 more
doaj   +1 more source

Multiscale Environmental Drivers of Aquatic Insect Assemblages in Cerrado Streams

open access: yesAustral Ecology, Volume 51, Issue 3, March 2026.
Multi‐scale drivers of aquatic insect communities in Cerrado streams. The gradient (from left to right) indicates increasing spatial scale, showing that abundance is influenced by local factors (conductivity, temperature), taxonomic richness responds to agricultural land use at an intermediate scale, and community composition is structured by regional ...
Juliana Simião‐Ferreira   +9 more
wiley   +1 more source

O gênero Machaerium (Leguminosae-Papilionoideae-Dalbergieae) no Pantanal Brasileiro

open access: yesRodriguésia
RESUMO Representantes de Leguminosae são importantes elementos florísticos das formações vegetacionais do Pantanal brasileiro. Machaerium é um gênero tropical de Papilionoideae e suas espécies são encontradas em diferentes ambientes vegetacionais ...
Caroline do Amaral Polido   +1 more
doaj   +1 more source

Espécies de cerrado com potencial para recuperação de áreas degradadas por mineração de ouro, Paracatu-MG

open access: yesRevista Árvore, 2011
Com o intuito de selecionar espécies que possam ser testadas na recuperação de áreas com alta concentração de arsênio, foram estudadas 10 áreas de Cerrado degradadas pelo garimpo de ouro em Paracatu, MG.
Andreza Viana Neri   +3 more
doaj   +1 more source

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