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Climate change has strong effects on biodiversity. It causes shifts in the species' geographical range, towards other latitudes or elevations, while tracking its natural habitat. Here, the species maintains its realised niche stable (in the environmental space) and shifts its geographical range. Alternatively, a species might shift its realised niche through its fundamental niche, maintaining its...
Climate change threatens anadromous fishes such as the allis shad (Alosa alosa) populations of which have declined since the 20th century in Europe. Sensitivity to climate change could be quantified by determining the fish’s spawning behaviour, defined as the timing of reproduction (i.e. spawning events) as a function of temporally variable environmental factors. The cues that fish use to time...
Deserts and arid regions are generally perceived as bare and rather homogeneous areas of low diversity. The Sahara is the largest warm desert in the world and together with the arid Sahel displays high topographical and climatic heterogeneity, and has experienced recent and strong climatic oscillations that have greatly shifted biodiversity distribution and community composition. The large size, remoteness...
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