Results 31 to 40 of about 25,241 (133)

Demographic buffering in natural populations: A multi‐level perspective

open access: yesJournal of Animal Ecology, EarlyView.
We introduce a multi‐level framework that unites stochastic elasticities with nonlinear selection to test demographic buffering. Applying it across mammals reveals a key insight: ecological robustness to variability often decouples from evolutionary constraint, reshaping how we understand resilience under environmental stochasticity.
Gabriel Silva Santos   +4 more
wiley   +1 more source

Diversidade de aves e pequenos mamíferos na lavoura de arroz irrigado [PDF]

open access: yes, 2006
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias.
Beltrame, Matheus de Almeida
core  

Availability of a Keystone Plant Resource Reduces Niche Overlap and Drives Distinct Species‐Specific Changes in Niche Breadth Among Small Rodents

open access: yesIntegrative Zoology, EarlyView.
We investigated how three rodent species respond to the seasonal availability of Araucaria angustifolia seeds. While Oligoryzomys spp. increased seed consumption and abundance during seed production, the more insectivorous Akodon paranaensis maintained a broader diet.
Adriana A. Perini, Emerson M. Vieira
wiley   +1 more source

Associações entre besouros escarabeíneos e mamíferos de médio e grande porte da Mata Atlântica em Santa Catarina, Brasil [PDF]

open access: yes, 2014
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Ecologia, Florianópolis, 2014.Os escarabeíneos estão ecológica e evolutivamente ligados aos mamíferos já que se alimentam e ...
Bogoni, Juliano André
core  

Depredación de Ctenosaura pectinata (Squamata: Iguanidae) por Lynx rufus (Carnivora: Felidae) en el Estado de Michoacán de Ocampo, México

open access: yesMammalogy Notes, 2020
El gato montés o lince rojo (Lynx rufus), es un felino de talla mediana con una amplia distribución en México y Norteamérica, para el cual se ha documentado su dieta a lo largo de toda su área de distribución, siendo los lagomorfos y los roedores sus ...
juan Charre-Medellin   +5 more
doaj   +1 more source

Morphology of Guard Hairs in Amazonian Marsupials: Intergeneric Variation, Habitat and Habit Association in a Phylogenetic Framework of the Order Didelphimorphia

open access: yesActa Zoologica, EarlyView.
ABSTRACT The cuticle and medulla of guard hairs exhibit distinct morphological patterns among mammalian species. To investigate this variability in marsupials from the Brazilian Amazon, we analysed guard hairs from nine Didelphimorphia species and incorporated data from an additional 25 didelphid species.
Matheus M. Bitencourt   +4 more
wiley   +1 more source

Observações sobre a biologia do gambá (Didelphis marsupialis) na Ilha de Ratones Grande, Estado de Santa Catarina, Brasil

open access: yesBiotemas, 1996
Neste estudo foram registrados aspectos da biologia de Didelphis marsupialis (Marsupialia, Mammalia) na Ilha de Ratones Grande. A área de estudo localiza-se no Estado de Santa Catarina, no sul do Brasil, sendo a vegetação predominante típica da Floresta ...
Jorge José Cherem   +3 more
doaj  

Informal supply chains of wild meat from rural Amazonia and food security in an urban center

open access: yesConservation Biology, EarlyView.
Abstract Iquitos, the most populated city in the Peruvian Amazon, is a hub in the regional supply chain of wild meat and supplies urban consumers. Studies on wild meat consumption have focused primarily on markets, limiting the scope of species considered to those that are economically valuable and potential inferences from those data.
Fiorella Briceño Huerta   +3 more
wiley   +1 more source

Ocorrências inusitadas de mamíferos no estado do Maranhão

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2007
Evidências são apresentadas sobre ocorrências não usuais de mamíferos no Maranhão, objetivando averiguar o caráter transicional deste estado. Analisou-se a área de distribuição geográfica de onze espécies de mamíferos que não incluíam o Maranhão e/ou não
Tadeu Gomes de Oliveira   +2 more
doaj   +1 more source

Evaluating the use of taxonomy in the IUCN Red List

open access: yesConservation Biology, EarlyView.
Abstract Taxonomy defines the units that conservationists strive to preserve for future generations. However, the discovery of new species and the taxonomic revision of existing species affect conservation efforts. Despite the importance of taxonomy for a species’ conservation, there is currently no overview of how those leading species extinction risk
Stephen T. Garnett   +8 more
wiley   +1 more source

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