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The factors that lead to the appearance of new species are still insufficiently understood for a great many animals. However, it is easier to trace back the evolutionary history of those whose biogeographical distribution is well known. This is the case for piranhas for which the whole range of ...
Coral reefs are known for their exceptional biodiversity. Over 10 000 different species of birds, corals and molluscs have already been described by taxonomists within these aquatic ecosystems. They are fragile, complex and particularly exposed to the effects of global warming.
The quest for understanding the greenhouse effect is rallying the scientific community around the study of the ocean’s upper sunlit layer (30 to 120 metres). This layer plays a role in the absorption of atmospheric carbon dioxide by incorporating it in the form of organic matter, which is then ...
Giant clams of the species Tridacna maxima are classified as threatened for many areas of the Pacific. Large, even enormous aggregations of these molluscs are still observed in some remote islands and atolls of French Polynesia. Nevertheless, the combined effects of increasing catch sizes ...
In West Java, Indonesia, the water filling of the Cirata dam in 1987 causes the eviction of thousands of small farmers. As a compensation, the Indonesian government, with the support of the World Bank, develops an aquaculture project which consists of floating cages on the lake. ..