A Global Overview of the Conservation of Freshwater Decapod by Tadashi Kawai, Neil Cumberlidge

By Tadashi Kawai, Neil Cumberlidge

This ebook introduces up to date info on conservation matters, supplying an summary of what's had to strengthen the worldwide conservation of freshwater decapods resembling freshwater crabs, crayfish, and shrimps.

Biodiversity loss usually is optimum in organisms that rely on intact freshwater habitats, simply because freshwater ecosystems around the world are discomfort extreme threats from a number of resources. Our figuring out of the quantity and placement of threatened species of decapods, and of the character in their extinction threats has enhanced enormously lately, and has enabled the advance of species conservation suggestions.

This quantity makes a speciality of saving threatened species from extinction, and emphasizes the significance of the winning implementation of conservation motion plans via cooperation among scientists, conservationists, educators, investment firms, coverage makers, and conservation agencies.

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3 A selection of Aegla species from Brazil. a Aegla castro, male, live specimen from Itatinga (SP), Bar 1 cm. b Aegla franca, male, live specimen from Claraval (MG), Bar. 1 cm. c Aegla marginata, male, live specimen from the type-locality, Morretes (PR), Bar 1 cm. d Aegla microphthalma, male, alcohol preserved specimen from the type-locality, Caverna Santana, Iporanga (SP), Bar 1 cm. e Aegla paulensis, male, live specimen from the type-locality, Paranapiacaba, Alto da Serra de Cubatão, (SP), Bar 1 cm.

Effects of the Louisiana crayfish invasion and other human impacts on the African clawless otter. D. dissertation. Kenyatta University, Kenya. 22 N. Cumberlidge Phiri, E. , & Daniels, S. R. (2013). Hidden in the highlands: The description and phylogenetic position of a novel endemic freshwater crab species (Potamonautidae: Potamonautes) from Zimbabwe. Invertebrate Systematics, 27, 530–539. Phiri, E. , & Daniels, S. R. (2014). Disentangling the divergence and cladogenesis in the freshwater crab species (Potamonautidae: Potamonautes perlatus sensu lato) in the Cape Fold Mountains, South Africa, with the description of two novel cryptic lineages.

The dispersal of ancient marine aeglids on the western side of South America was favoured by marine transgressions during the early formation of the Andes Cordillera, in the Late Cretaceous-Early Tertiary Period, about 90–60 mya (Pérez-Losada et al. 2004). The evolutionary path of populations of land-locked marine aeglids would favour the acquisition of physiological adaptations and changes to life history strategies that helped them cope with increasing exposure to less saline waters. The successful adaptation to freshwater habitats marks the origin of the taxon Aegla and the beginning of its dispersal and speciation history throughout southern regions of South America from the Pacific to the Atlantic.

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