Results 41 to 50 of about 323,005 (266)

Human-modified landscapes narrow the isotopic niche of neotropical birds

Oecologia, 2021
Deforestation and habitat loss resulting from land use changes are some of the utmost anthropogenic impacts that threaten tropical birds in human-modified landscapes (HMLs). The degree of these impacts on birds' diet, habitat use, and ecological niche can be measured by isotopic analysis. We investigated whether the isotopic niche width, food resources,
Ana Beatriz Navarro, Marcelo Magioli, Juliano André Bogoni, Marcelo Zacharias Moreira, Luís Fábio Silveira, Eduardo Roberto Alexandrino, Daniela Tomasio Apolinario da Luz, Marco Aurelio Pizo, Wesley Rodrigues Silva, Vanessa Cristina de Oliveira, Reginaldo José Donatelli, Alexander V. Christianini, Augusto João Piratelli, Katia Maria Paschoaletto Micchi Bar Ferraz   +13 more
openaire   +4 more sources

The niche construction perspective : a critical appraisal [PDF]

, 2014
For financial support, the authors thank Biotechnology and Biological Sciences Research Council, The Economic and Social Research Council, The Natural Environment Research Council, the Leverhulme Trust, the European Research Council, and the Royal ...
Laland, Kevin N., Scott-Phillips, Thomas C., Dickins, T.E., Shuker, D.M., West, S.A., Dickins, Thomas E., West, Stuart A., Scott-Phillips, T.C., Laland, K.N., Shuker, David M., Shuker, D., West, S., Dickins, T., Laland, K., Scott-Phillips, T.   +14 more
core   +1 more source

Geographical, temporal, and individual‐based differences in the trophic ecology of female Cape fur seals

Ecology and Evolution, 2023
Information on resource use and trophic dynamics of marine predators is important for understanding their role in ecosystem functioning and predicting population‐level responses to environmental change.
Jonathan A. Botha, Clive N. Trueman, Stephen P. Kirkman, John P. Y. Arnould, Amanda T. Lombard, Maëlle Connan, G. J. Greg Hofmeyr, S. Mduduzi Seakamela, Pierre A. Pistorius   +8 more
doaj   +1 more source

Isotopic Niche Partitioning in Avian Scavenger Communities of South America

, 2020
Interspecific competition plays a central role in structuring ecological communities and is a particularly strong force among avian scavengers.
Pauli, Jonathan Nicholas, Perrig, Paula Leticia, Lambertucci, Sergio Agustin, Silverthorne, Kate M.   +3 more
core   +1 more source

An introduction to niche construction theory [PDF]

, 2016
Niche construction refers to the modification of selective environments by organisms. Theoretical and empirical studies of niche construction are increasing in importance as foci in evolutionary ecology.
Matthews, Blake, Laland, Kevin Neville, Blake Matthews, Marcus W. Feldman, Kevin Laland, Feldman, Marcus W.   +5 more
core   +1 more source

Human habitat modification, not apex scavenger decline, drives isotopic niche variation in a carnivore community. [PDF]

Oecologia
Top carnivores can influence the structure of ecological communities, primarily through competition and predation; however, communities are also influenced by bottom-up forces such as anthropogenic habitat disturbance.
Bell O, Jones ME, Ruiz-Aravena M, Hamilton DG, Comte S, Hamer R, Hamede RK, Newton J, Bearhop S, McDonald RA.   +9 more
europepmc   +2 more sources

Trophic niche overlap between sympatric harbour seals (Phoca vitulina) and grey seals (Halichoerus grypus) at the southern limit of their European range (Eastern English Channel)

Ecology and Evolution, 2021
Sympatric harbour (Phoca vitulina) and grey seals (Halichoerus grypus) are increasingly considered potential competitors, especially since recent local declines in harbour seal numbers while grey seal numbers remained stable or increased at their ...
Yann Planque, Jérôme Spitz, Matthieu Authier, Gaël Guillou, Cécile Vincent, Florence Caurant   +5 more
doaj   +1 more source

Autochthony and isotopic niches of benthic fauna at shallow-water hydrothermal vents [PDF]

Scientific Reports, 2022
AbstractThe food webs of shallow-water hydrothermal vents are supported by chemosynthetic and photosynthetic autotrophs. However, the relative importance of these two basal resources for benthic consumers and its changes along the physicochemical gradient caused by vent plumes are unknown.
Wang, Teng-Wei, Lau, Danny C P, Chan, Benny K. K., Chan, Tin-Yam   +3 more
openaire   +4 more sources

Isotopic niches reveal the impact of topmouth gudgeon and gibel carp on native crucian carp [PDF]

NeoBiota
Invasive species pose a major threat to natural ecosystems and directly outcompete many native species, placing them at imminent threat of extinction. The topmouth gudgeon (Pseudorasbora parva) is on the EU’s blacklist of invasive freshwater species and ...
Marek Šmejkal, Kiran Thomas, Zuzana Šmejkalová, Yevdokiia Stepanyshyna, Daniel Bartoň, Sandip Tapkir, Travis Meador, Mojmír Vašek   +7 more
doaj   +3 more sources

Variation in isotopic niche partitioning between adult roseate and common terns in the Northwest Atlantic

Endangered Species Research, 2023
Co-occurring species with similar resource requirements often partition ecological niches at different spatial and temporal scales. In the Northwest Atlantic (NWA), federally endangered roseate terns Sterna dougallii nest almost exclusively in coastal ...
HD Legett, JR Lucas, EC Craig, MD Staudinger   +3 more
doaj   +1 more source