By Tadashi Kawai, Neil Cumberlidge
This publication introduces up to date details on conservation matters, supplying an summary of what's had to improve the worldwide conservation of freshwater decapods equivalent to freshwater crabs, crayfish, and shrimps.
Biodiversity loss quite often is optimum in organisms that depend upon intact freshwater habitats, simply because freshwater ecosystems around the world are soreness excessive threats from a number of assets. Our realizing of the quantity and placement of threatened species of decapods, and of the character in their extinction threats has more suitable tremendously in recent times, and has enabled the improvement of species conservation thoughts.
This quantity specializes in saving threatened species from extinction, and emphasizes the significance of the profitable implementation of conservation motion plans via cooperation among scientists, conservationists, educators, investment organisations, coverage makers, and conservation agencies.
Read Online or Download A Global Overview of the Conservation of Freshwater Decapod Crustaceans PDF
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Additional info for A Global Overview of the Conservation of Freshwater Decapod Crustaceans
In most heterochelous decapod species reproductive activities are associated with the major chela, while non-sexual activities (such as food capturing and manipulation, and grooming) are usually associated with the minor claw (Mariappan et al. 2000). In Aegla, the major chela is often used in agonistic confrontations (Ayres-Peres et al. 2011a; Palaoro et al. 2014), and in A. uruguayana Schmitt, 1942, males use their major chela to defend females from other males (Viau et al. 2006). S. Bueno et al.
Aegla contains all extant species and constitutes a monophyletic group within the Anomura. All 78 species and subspecies described so far are entirely adapted to freshwater habitats and are endemic to temperate and subtropical regions of continental South America. While most species are found in epigean habitats, there are a few cave-dwelling species in southeastern Brazil. The reproductive period varies from 8 to 12 months (in species from colder higher latitudes), to 4–7 months (in species from lower latitudes where warm-rainy and cold-dry seasons alternate).
C. , & Ng, P. K. L. (2007). On the genus “Potamon” and allies in Indochina (Crustacea: Decapoda: Brachyura: Potamidae). Raffles Bulletin of Zoology Supplements Number, 16, 273– 308. Yeo, D. C. , Ng, P. K. , Daniels, S. , & Campos, M. R. (2008). Global diversity of crabs (Crustacea: Decapoda: Brachyura) in freshwater. Hydrobiologia, 595, 275–286. Chapter 2 A Remarkable Anomuran: The Taxon Aegla Leach, 1820. Taxonomic Remarks, Distribution, Biology, Diversity and Conservation Sérgio Luiz de Siqueira Bueno, Roberto Munehisa Shimizu and Juliana Cristina Bertacini Moraes Abstract The family Aeglidae comprises three genera, one extant (Aegla) and two extinct genera (Protaegla and Haumuriaegla), the latter two genera are known only from fossils from marine sediments (indicating a marine origin for the group).