Results 41 to 50 of about 13,387 (164)

Avaliação do risco de extinção do cervo-do-Pantanal Blastocerus dichotomus Illiger, 1815, no Brasil

Biodiversidade Brasileira, 2012
O estado de conservação do cervo-do-pantanal, Blastocerus dichotomus (Illiger, 1815), foi avaliado de acordo com os critérios da IUCN (2001), com base nos dados disponíveis até 2010.
José Maurício Barbanti Duarte, Ubiratan Piovezan, Eveline dos Santos Zanetti, Hernani Gomes da Cunha Ramos, Liliani Marília Tiepolo, Alexandre Voglioti, Márcio Leite de Oliveira, Lilian Figueiredo Rodrigues, Lilian Bonjorne de Almeida   +8 more
doaj   +3 more sources

Belowground effects of ground‐dwelling large herbivores in forest ecosystems

Journal of Animal Ecology, EarlyView.
This study reviews how ground‐dwelling large herbivores affect forest soil and litter globally. Effects are context‐dependent, vary among species and forest types, and remain poorly studied in tropical forests, highlighting critical gaps in understanding nutrient cycling and ecosystem functioning.
Letícia Gonçalves Ribeiro, Mateus Melo‐Dias, Beatriz Maria Paccas Saraiva, Nacho Villar, Mauro Galetti   +4 more
wiley   +1 more source

Complex multitrophic species interactions and fitness costs: Intricate consequences of jasmonate and salicylate induced plant defences

Journal of Animal Ecology, EarlyView.
This study reveals how long‐term activation of jasmonic and salicylic acid signalling reshapes arthropod communities and plant fitness across seasons. By showing that induced defences generate contrasting outcomes and cascading trade‐offs across trophic levels, it challenges the assumption that induced resistance is uniformly beneficial in natural ...
Mônica F. Kersch‐Becker, Guilherme P. Pinheiro, Thaís S. Schweller, Martin Pareja, Victoria M. Pocius, José R. Trigo, Gustavo Q. Romero   +6 more
wiley   +1 more source

Enriching historical biologging datasets on seabirds using deep neural networks: A transformer‐based approach to infer energy expenditure proxy from GPS and environmental data

Methods in Ecology and Evolution, EarlyView.
Abstract Recent advances in biologging have led to the widespread use of accelerometers, which generate high‐resolution movement data essential for understanding animal behaviour. Derived from tri‐axial accelerometry, Overall Dynamic Body Acceleration (ODBA) serves as a proxy for energy expenditure that is less invasive and more cost‐effective than ...
Noémie Muquet, Adrien Brunel, Christophe Barbraud, Leandro Bugoni, Karine Delord, Guilherme Tavares Nunes, Jean‐Daniel Zucker, Sophie Lanco   +7 more
wiley   +1 more source

Fatores que determinam a recorrência de fogo no cerrado:

Biodiversidade Brasileira, 2019
A ocorrência e propagação do fogo é determinada por diversos fatores como condições meteorológicas, sazonalidade, topografia e acúmulo de biomassa combustível, mas a influência antrópica tem gerado um impacto negativo, apesar do histórico de fogo ...
Ana Clara Caixeta Queiroz Pôrto, Camila Silva, Juan Carlos O. Filho, Jonathan Braga, Angela Garda, Christian Berlinck   +5 more
doaj   +3 more sources

Stable Isotope Analysis as a Tool to Prevent Illicit Wildlife Trade of Songbirds in Brazil

Animal Conservation, EarlyView.
Feather isotopes provide clear differences between wild and captive songbirds in Brazil. Combining multiple isotopes improved classification accuracy and revealed individuals falsely declared as captive‐bred. These results demonstrate the potential of isotope analysis to detect wildlife laundering in the bird trade.
Luiza Brasileiro, Fábio J. V. Costa, Paulo R. R. Ramos, Vladimir E. Costa, Gabriela B. Nardoto   +4 more
wiley   +1 more source

Behavioral Flexibility and the Conservation Value of Howler Monkey Populations in Small Habitat Patches. [PDF]

Am J Primatol
Standardized effect sizes of the relationships between predictor and response variables. Natural logarithms are denoted as “ln.” Open circles (blue outline) indicate mostly positive effects; solid circles (red filled) indicate mostly negative effects. ABSTRACT Species occupying small habitat patches and exhibiting behavioral and ecological flexibility ...
Bustamante-Manrique S, Klain V, Bicca-Marques JC.   +2 more
europepmc   +2 more sources

Species Distribution Models Reveal the Resilience of Protected Areas for Conserving an Endemic Amazonian Canid

Animal Conservation, EarlyView.
This graphical abstract illustrates the impacts of climate change on the distribution of the Amazon‐endemic canid Atelocynus microtis, highlighting projected habitat loss under future scenarios (SSP2–4.5 and SSP5–8.5). Despite substantial reductions in suitable habitat, a significant proportion remains within Protected Areas, emphasizing their critical
Isabella Soares Moura Palha da Silva, Camis Levi Ferreira Leão, Paola Vitoria Brito Pires, Marcela Guimarães Moreira Lima   +3 more
wiley   +1 more source

Hidden Losses: Assessing the Risk of Coextinction Among Ectoparasitic Flies and Their Bat Host Species in Brazil

Animal Conservation, EarlyView.
The potential impact of bat species extinction on the number of their ectoparasitic fly species, based on interaction data for Brazil. As bat host species are removed over time, more connected species (green) would experience steeper declines and lead to greater ectoparasite losses when compared to a random extinction model (gray).
Nathan Lorenzo de Sena Gotti, Jonathan Ramos Ribeiro, Eder Barbier, Enrico Bernard   +3 more
wiley   +1 more source

Risco e resiliência: uma revisão dos atributos funcionais que influenciam a vulnerabilidade ao fogo em mamíferos do Pantanal

Biodiversidade Brasileira
Em 2020, incêndios em vegetação queimaram aproximadamente 40 mil hectares e mataram 17 milhões de vertebrados. Esse evento catastrófico, caracterizado pelo comportamento extremo do fogo e facilitado pela combinação de matéria orgânica acumulada e seca ...
Eugênia Kelly Luciano Batista, Maria Tereza de Arruda Botelho, Renan Lieto Alves Ribeiro, Ricardo Sampaio, Mariella Butti, Luanne Helena Augusto Lima, Christian Niel Berlinck   +6 more
doaj   +1 more source