Extinction risk from climate change
Chris D. Thomas,Alison Cameron,Rhys E. Green,Rhys E. Green,Michel Bakkenes,Linda J. Beaumont,Yvonne C. Collingham,Barend F.N. Erasmus,Marinez Ferreira de Siqueira,Alan Grainger,Lee Hannah,Lesley Hughes,Brian Huntley,Albert S. van Jaarsveld,Guy F. Midgley,Lera Miles,Lera Miles,Miguel A. Ortega-Huerta,A. Townsend Peterson,Oliver L. Phillips,Stephen E. Williams +20 more
TLDR
Estimates of extinction risks for sample regions that cover some 20% of the Earth's terrestrial surface show the importance of rapid implementation of technologies to decrease greenhouse gas emissions and strategies for carbon sequestration.Abstract:
Climate change over the past approximately 30 years has produced numerous shifts in the distributions and abundances of species and has been implicated in one species-level extinction. Using projections of species' distributions for future climate scenarios, we assess extinction risks for sample regions that cover some 20% of the Earth's terrestrial surface. Exploring three approaches in which the estimated probability of extinction shows a power-law relationship with geographical range size, we predict, on the basis of mid-range climate-warming scenarios for 2050, that 15-37% of species in our sample of regions and taxa will be 'committed to extinction'. When the average of the three methods and two dispersal scenarios is taken, minimal climate-warming scenarios produce lower projections of species committed to extinction ( approximately 18%) than mid-range ( approximately 24%) and maximum-change ( approximately 35%) scenarios. These estimates show the importance of rapid implementation of technologies to decrease greenhouse gas emissions and strategies for carbon sequestration.read more
Citations
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Maxent modeling for predicting the potential distribution of medicinal plant, Justicia adhatoda L. in Lesser Himalayan foothills
TL;DR: In this paper, the authors reported the results of a study carried out in the Lesser Himalayan foothills in India (Dun valley) on potential distribution modeling for Malabar nut using Maxent model.
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Offshore renewable energy - ecological implications of generating electricity in the coastal zone.
TL;DR: In this paper, a review demonstrates that offshore renewable energy developments will have direct and, potentially, indirect consequences for coastal ecology, with these effects occurring at different scales, with the significance of any effects is likely to depend on the natural disturbance regime and the stability and resilience of the communities.
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Climatic predictors of temperature performance curve parameters in ectotherms imply complex responses to climate change.
TL;DR: It is shown that in squamate ectotherms, two fitness-influencing components of performance, the critical thermal maximum and the thermal optimum, are more closely related to temperature variation and to precipitation, respectively, than they are to mean thermal conditions.
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Elevation increases in moth assemblages over 42 years on a tropical mountain
I-Ching Chen,Hau-Jie Shiu,Suzan Benedick,Jeremy D. Holloway,V. K. Chey,Henry S. Barlow,Jane K. Hill,Chris D. Thomas +7 more
TL;DR: Evidence that tropical insect species have already undertaken altitude increases is provided, confirming the global reach of climate change impacts on biodiversity and urging ecologists to seek other historic tropical samples to carry out similar repeat surveys.
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Trade-offs and the evolution of life-histories during range expansion
TL;DR: It is demonstrated that the presence of a competing species can considerably reduce the extent to which dispersal is selected upwards at an expanding front, which has important implications for understanding both the rate of spread of invasive species and the range-shifting dynamics of native species in response to climate change.
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