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Variation in discrimination factors (Δ15N and Δ13C): the effect of diet isotopic values and applications for diet reconstruction
A method to calculate discrimination factors based on data on diet isotope ratios, termed the ‘Diet-Dependent Discrimination Factor’, DDDF is proposed and found a significant negative relationship between both, Δ13C and Δ15N, with their corresponding diet isotopic ratios.
Impacts of climate change on the future of biodiversity.
- C. Bellard, C. Bertelsmeier, P. Leadley, W. Thuiller, F. Courchamp
- Environmental ScienceEcology letters
- 1 April 2012
Overall, this review shows that current estimates of future biodiversity are very variable, depending on the method, taxonomic group, biodiversity loss metrics, spatial scales and time periods considered.
Allee Effects in Ecology and Conservation
This paper presents a meta-analyses of population dynamics: modelling demographic Allee effects and its implications for conservation, management, and policy.
Impacts of biological invasions: what's what and the way forward.
Mammal invaders on islands: impact, control and control impact
- F. Courchamp, J. Chapuis, M. Pascal
- Environmental ScienceBiological reviews of the Cambridge Philosophical…
- 1 August 2003
It is difficult to predict the outcome of the removal of key species, such as a top predator, given the numerous and complex population interactions among island species, and justifies careful pre‐control study and preparation prior to initiating the eradication of an alien species, in order to avoid an ecological catastrophe.
Rarity Value and Species Extinction: The Anthropogenic Allee Effect
It is argued that the human predisposition to place exaggerated value on rarity fuels disproportionate exploitation of rare species, rendering them even rarer and thus more desirable, ultimately leading them into an extinction vortex.
Multiple Allee effects and population management.
Terrestrial and Inland Water Systems
The topics assessed in this chapter were last assessed by the IPCC in 2007, principally in WGII AR4 Chapters 3 (Kundzewicz et al., 2007) and 4 (Fischlin et al., 2007), but also in WGII AR4 Sections…
Will climate change promote future invasions?
- C. Bellard, W. Thuiller, B. Leroy, P. Genovesi, M. Bakkenes, F. Courchamp
- Environmental ScienceGlobal change biology
- 1 December 2013
Using ensemble forecasts from species distribution models to project future suitable areas of the 100 of the world's worst invasive species, it is shown that both climate and land use changes will likely cause drastic species range shifts.
Cats protecting birds: modelling the mesopredator release effect
This work emphasizes that, although counter-intuitive, eradication of introduced superpredators, such as feral domestic cats, is not always the best solution to protect endemic prey when introduced mesopredators,such as rats, are also present.