Results 31 to 40 of about 417 (114)

Conservadorismo de nicho em cenários de invasões biológicas: décapodes como modelos de estudo [PDF]

open access: yes, 2023
Biological invasions are great objects of study to evaluate species ecological niche dynamics. In this sense, decapod crustaceans have several records of becoming invaders in different parts of the globe, proving their high invasive potential according ...
Oliveira, Pedro Augusto
core  

Phenotypic, Floristic, and Anthropogenic Drivers of the Pollen Niche of Amazonian Stingless Bees

open access: yesBiotropica, Volume 57, Issue 3, May 2025.
The pollen diversity and composition collected by Amazonian stingless bees depend on their body mass, tree composition, and urbanization. Further, bees have been collecting fewer pollen types since the 1970s. ABSTRACT Stingless bees (Apidae: Meliponini) are major pollinators in the tropics, supporting key ecosystem services.
Daniel Bastos Pimenta   +3 more
wiley   +1 more source

Tree species abundance changes at the edges of their climatic distribution: An interplay between climate change, plant traits and forest management

open access: yesJournal of Ecology, Volume 112, Issue 12, Page 2785-2797, December 2024.
Our research emphasizes the crucial impact of historical forest management in shaping the current distribution of tree species. After controlling for the effect of forest management, climate change directly influenced tree demographics, favouring species based on their traits.
Josep Padullés Cubino   +2 more
wiley   +1 more source

Is it all about size? Dismantling the integrated phenotype to understand species coexistence and niche segregation

open access: yesFunctional Ecology, Volume 38, Issue 11, Page 2350-2368, November 2024.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Niche segregation is a mechanism by which competition between coexisting species is reduced. The ecological niche is a multidimensional space shaped by the conditions and resources that enable the existence of species.
Carolina Reyes‐Puig   +3 more
wiley   +1 more source

Avaliação do nicho isotópico de herbívoros nos recifes de corais da Área de proteção Ambiental Costa dos Corais

open access: yes, 2022
Coral reefs are one of the most biodiverse ecosystems on the planet, playing a fundamental role in the health of the oceans, in addition to their great economic potential.
Cabral, Arthur de Alencar Medeiros
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Variação sazonal na dieta de Triportheus guentheri (Garman, 1890) (ACTINOPTERYGII: CHARACIDAE), no Reservatório de Sobradinho, Rio São Francisco, BA

open access: yesBoletim do Instituto de Pesca, 2018
O presente trabalho objetivou avaliar o uso de recursos alimentares por T. guentheri e verificar possí­­veis variações sazonais na dieta decorrentes da oscilação do ní­­vel hidrológico do reservatório de Sobradinho.
Gabriela de Araújo PINTO   +4 more
doaj  

Changes in thermal niche position and breadth of bird assemblages in Spain in relation to increasing temperatures

open access: yesJournal of Biogeography, Volume 51, Issue 5, Page 783-796, May 2024.
Abstract Aim Animal communities around the world are responding to climate change by altering their taxonomic composition, mainly through an increase in the colonisation rate of warm‐dwelling species and the local extinction of cold‐dwelling ones. We assessed whether the taxonomic composition of bird assemblages in peninsular Spain has changed in ...
D. Ramón‐Martínez, J. Seoane
wiley   +1 more source

Nicho trófico e recursos alimentares explorados por Charadriiformes migratórios e residentes em uma área de campo úmido da planície costeira no Sul do Brasil [PDF]

open access: yes, 2016
Os campos úmidos da planície costeira do Rio Grande do Sul abrigam diversas aves Charadriiformes, conhecidas como maçaricos e batuíras. Os invertebrados são os principais itens da dieta dessas aves, portanto fundamentais na estruturação e na dinâmica ...
Faria, Fernando Azevedo
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Dieta de Astyanax asuncionensis (Characiformes, Characidae), em riachos da bacia do rio Cuiabá, Estado do Mato Grosso = Diet of Astyanax asuncionensis (Characiformes, Characidae), in streams of the Cuiabá river basin, Mato Grosso State

open access: yesActa Scientiarum: Biological Sciences, 2008
A dieta de Astyanax asuncionensis, em riachos da bacia do rio Cuiabá, Estado do Mato Grosso, durante períodos de chuva e seca, foi descrita, sendo suas variações associadas ao grau de integridade da vegetação ciliar.
Cristina da Silva Borba   +3 more
doaj  

Espécies simpátricas sobrepõem nicho?: análise da dieta e nicho trófico de quatro espécies de raias endêmicas da América do Sul Subtropical

open access: yes, 2021
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Ecologia, Florianópolis, 2021.O estudo da ecologia alimentar de elasmobrânquios proporciona conhecimento sobre suas preferências ...
Lemos, Liliam de Lima
core  

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