Results 91 to 100 of about 80,485 (232)

Marked tree demographic variation along subtle elevation differences partially explains species' habitat associations in an Amazonian forest

Journal of Ecology, Volume 113, Issue 10, Page 2860-2874, October 2025.
These findings show that even small differences in elevation can lead to biologically meaningful variation in resource access that translates into significant differences in tree growth and survival. However, resource access could not fully explain the patterns of topographically driven demographic variation we observed. While certain species may still
Paola A. Jaramillo, Sabrina E. Russo, Alvaro Duque, Nicolás Castaño, Daniel Zuleta   +4 more
wiley   +1 more source

Análise Qualitativa do Desmatamento na Floresta Amazônica a partir de Sensores SAR, Óptico e Termal

Anuário do Instituto de Geociências, 2020
A mitigacao de mudancas climaticas e preservacao de ecossistemas depende da reducao do desmatamento e degradacao de florestas tropicais. O objetivo deste estudo foi analisar imagens de radar, opticas e termais para identificar desmatamentos por corte ...
Claudia Arantes Arantes, Santilli Giancarlo, E. Sano, Suzan Waleska Pequeno Rodrigues   +3 more
semanticscholar   +1 more source

Surviving in a Warming and Fragmented World: Long‐Term Population Dynamics of the Lizard Gonatodes humeralis

Austral Ecology, Volume 50, Issue 10, October 2025.
ABSTRACT Climate change presents significant challenges to species survival; however, the long‐term effects on tropical lizard populations remain poorly understood. Previous studies have predicted contrasting outcomes, with some forecasting a high risk of extinction due to rising temperatures, while others suggest greater resilience in tropical ...
Pedro Henrique Salomão Ganança, Clarissa Alves da Rosa, Albertina Pimentel Lima, Elildo Alves Ribeiro de Carvalho Jr, Rafael de Fraga, Jade Bentes Mourão, Luis Antonio Fonseca Teixeira, Ana Luisa Albernaz, Edivaldo Vasconcelos de Farias, William Ernest Magnusson   +9 more
wiley   +1 more source

DAMAGES CAUSED BY FIRE ON THE NATURAL VEGETATION IN A PRIMARY FOREST IN ACRE STATE, BRAZILIAN AMAZON

Ciência Florestal, 2013
http://dx.doi.org/10.5902/198050989276The emission of CO2 is an important cause of the greenhouse effect and the Amazonian burns contribute to it. Because of the high moisture retained, the primary Amazon forest is considered immune to fire, however ...
Henrique José Borges de Araujo, Luis Cláudio de Oliveira, Sumaia Saldanha de Vasconcelos, Manoel Freire Correia   +3 more
doaj   +1 more source

Migration Patterns of Epiphyllous Bryophyte Metapopulations in Amazonian Fragmented Landscape Inferred From Census and Genomic Data

Biotropica, Volume 57, Issue 5, September 2025.
We examined the long‐term genetic consequences of habitat fragmentation on two epiphyllous bryophyte species in experimentally fragmented Amazonian forests. Using genotyping and demographic data, we found species‐specific responses and metapopulation dynamics in relation to their mating system.
Adriel M. Sierra, Marta Alonso‐García, Charles E. Zartman, Juan Carlos Villarreal A.   +3 more
wiley   +1 more source

Alguns resultados e problemas da limnologia amazônica. [PDF]

, 2015
Made available in DSpace on 2015-01-28T08:47:54Z (GMT). No. of bitstreams: 1 Limnologia.pdf: 4859223 bytes, checksum: d23525afe083fb5fe1c518bb572047e6 (MD5) Previous issue date: 1993-11 ...
SIOLI, H.
core  

Limited evidence of biodiversity spillover from forest fragments into oil palm plantations in the Amazon

Journal of Applied Ecology, Volume 62, Issue 8, Page 1939-1952, August 2025.
Converting primary forest into oil palm plantations results in substantial biodiversity losses, highlighting the urgent need to preserve the few remaining large forest fragments in the area. Measures that enhance matrix permeability are essential to conserving the evolutionary and functional integrity of Amazonian landscapes and mitigating the negative
Maira R. Cardoso, Sara M. Almeida, Fabio A. R. Matos, David P. Edwards, Marcos P. D. Santos   +4 more
wiley   +1 more source

Dinâmica da matéria orgânica na recuperação de clareiras da floresta amazônica. [PDF]

, 2019
O objetivo deste trabalho foi avaliar a fertilidade do solo e a dinâmica da matéria orgânica e da biomassa microbiana no reflorestamento de clareiras com diferentes ...
COSTA, D. G., MOREIRA, A.
core  

Surviving in the Amazon Arc of Deforestation: Richness and Defaunation of Mammals in Priority‐Protected Areas of the Brazilian Midwest

Austral Ecology, Volume 50, Issue 7, July 2025.
We found rich and compositionally different assemblages of medium and large‐sized mammals in protected areas on the southern edge of Amazon. However, both have high rates of mammal defaunation. We argue that anthropogenic threats in the Amazon Arc of Deforestation are eroding large ungulate populations, especially peccaries.
Mateus Melo‐Dias, Letícia G. Ribeiro, Julia F. Queiroz, Marcos Penhacek, Rogério José Custódio, Domingos de Jesus Rodrigues, Clarissa Rosa   +6 more
wiley   +1 more source

Flora da Usina São José, Igarassu, Pernambuco: Sapindaceae

Rodriguésia
Resumo Sapindaceae é uma família predominantemente tropical com aproximadamente 1.900 espécies em todo o mundo. No Brasil ocorrem 418 espécies, que têm como principais centros de diversidade a Floresta Amazônica e a Floresta Atlântica.
Luiz de Aquino Pereira, Bruno Sampaio Amorim, Marccus Alves, Genise Vieira Somner, Maria Regina de Vasconcellos Barbosa   +4 more
doaj   +1 more source