Freshwater crab Nature (IUCN); of the species for which data are available, 32% are threatened with extinction. For instance, all but one of Sri Lanka's 50 freshwater crab species are endemic to that country, and more than half are critically endangered. Freshwater crab There are around 1,300 species of freshwater crabs, distributed throughout the tropics and subtropics, divided among eight families. They show direct development and maternal care of a small number of offspring, in contrast to marine crabs which release thousands of planktonic larvae. This limits the dispersal abilities of freshwater crabs, so they tend to be endemic to small areas.
Short food supply chains France was aimed at supporting the development of short food chains. According to the plan, short food chains are defined on the base of the number of actors involved; precisely : SFSC are considered as « "commercialisation of agricultural products through direct selling or indirect selling when only one intermediary is involved" ». (« "Un circuit court est un mode de commercialisation des produits agricoles qui s'exerce soit par la vente directe du producteur au consommateur, soit par la vente indirecte à condition qu'il n'y ait qu'un seul intermédiaire". » . However, there have been discussions at the senate and