Results 41 to 50 of about 4,314 (93)
, 2013 O presente estudo teve como objetivo testar previsões da teoria sobre a influência da predação na evolução dos ciclos vitais. Como modelo de estudo, foram estudadas populações do peixe Poecilia vivipara que habitam o Parque Nacional da Restinga de ...
Rius, Bianca Fazio
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When Raptors Are Away, Opossums Will Play: Woolly Opossums as Carrion Feeders in Harpy Eagle Nests
Biotropica, Volume 57, Issue 6, November 2025.Scavenging by New World marsupials is rarely documented. We recorded woolly opossums (Caluromys lanatus) scavenging prey remains from a Harpy eagle’s nest in central Brazil. The low overlap in activity periods between the two species may facilitate the behavior observed here.
João Pedro Fernandes Machado +3 more
wiley +1 more source
, 1997 306 p. -- (Coleção Antropologia e Ciência Política; 3) -- ISBN: 8522802092"A predação do social" reflete uma trajetória intelectual preocupada com a racionalidade na alocação dos recursos públicos no Brasil.
Silva, Ari de Abreu
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Landscape use by prey: Bottom‐up regulation prevails under reduced predation risk
Ecosphere, Volume 15, Issue 11, November 2024.Abstract Resource specialist herbivores may suppress antipredator strategies to access scarcely available key resources, while proactive antipredator behaviors should be favored by generalists or when resources are abundant. We quantified the relative effects of predation‐ (top‐down) and resource‐driven (bottom‐up) constraints on spatiotemporal ...
Filipe Rocha +3 more
wiley +1 more source
Piscivory by Hoplias aff. malabaricus (Bloch, 1794): a question of prey availability?
Acta Limnologica Brasiliensia, 2013 AIM: In order to understand the factors which influence the predatory activity of the Hoplias aff. malabaricus, the present study evaluated feeding habits of this species and its relation to prey availability, in addition to environmental variables ...
Ana Karla Araujo Montenegro +4 more
doaj +1 more source
Molecular Ecology, Volume 33, Issue 8, April 2024.Abstract Agriculture is vital for supporting human populations, but its intensification often leads to landscape homogenization and a decline in non‐provisioning ecosystem services. Ecological intensification and multifunctional landscapes are suggested as nature‐based alternatives to intensive agriculture, using ecological processes like natural pest ...
Luis P. da Silva +9 more
wiley +1 more source
Boletim do Instituto de Pesca, 2018 Este estudo objetivou quantificar as perdas de sementes (jovens mexilhões) no cultivo e discutir as principais causas, especialmente as ocasionadas por predadores e parasitas. O experimento ocorreu na Praia da Ponta do Sambaqui, no período de dezembro
Andréa Ricetti Cochôa +1 more
doaj
Acta Scientiarum: Biological Sciences, 2008 Várias estações de piscicultura que trabalham com a produção de alevinos ou peixes ornamentais têm apresentado problemas relacionados à predação de larvas, pós-larvas e alevinos por ninfas de insetos da Ordem Odonata.
Alysson Rodrigo Fonseca +4 more
doaj +1 more source
Biotropica, Volume 56, Issue 2, March 2024.Probability of Brazilian cottontail using sites increases with native forest cover and decreases with farmhouse proximity. Increased human proximity to tropical forests and tropical deforestation are currently more relevant threats to the conservation of the Brazilian cottontail in southeastern Brazil than the European hare invasion.
Nielson Pasqualotto +2 more
wiley +1 more source
Revista Eletrônica Teccen, 2015 As pragas da lima ácida Tahiti (Citrus latifolia Tanaka) representam um perigo para a manutenção sustentável da cultura. Enquanto a maioria das vezes usa-se produtos químicos no seu combate, alguns métodos alternativos têm sido empregados, e o objetivo ...
Armando Santos Vargas +4 more
doaj +3 more sources