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Thèse de Doctorat
DOI
10.11606/T.38.2018.tde-20052018-174432
Document
Auteur
Nom complet
Willian Massaharu Ohara
Adresse Mail
Unité de l'USP
Domain de Connaissance
Date de Soutenance
Editeur
São Paulo, 2018
Directeur
Jury
Menezes, Naercio Aquino (Président)
Lima, Flavio Cesar Thadeo de
Nihei, Silvio Shigueo
Pinna, Mario Cesar Cardoso de
Zuanon, Jansen Alfredo Sampaio
Titre en portugais
Endemismo e análise biogeográfica dos peixes da Bacia do Rio Madeira
Mots-clés en portugais
América do Sul
bacia Amazônica
conservação
distribuição
peixes
Resumé en portugais
South America, Amazon basin, fishes, distribution, conservation
Titre en anglais
Endemism and biogeographic analysis of the fish from the rio Madeira basin
Mots-clés en anglais
Amazon basin
conservation
distribution
fishes
South America
Resumé en anglais
The rio Madeira is the main tributary of the Amazon basin in discharge, suspended sediments and drainage area. This river also has a high fish diversity, probably the largest among the Amazonian rivers and one of the largest among other rivers of the world. Although this diversity has been gradually revealed, more intensively in recent years, the knowledge of the endemic species and the most important areas to be conserved, is inferior to the degree of anthropogenic action on the system. Studies on areas of endemism are scarce and generally involve terrestrial organisms. Several rivers have been completely altered in the rio Madeira basin by large hydropower plants in the Andes and along of the basin, which, together with illegal mining and one of the highest deforestation rates, makes of the rio Madeira one of the most threatened tributaries of the Amazon basin. The ichthyofauna from the Madeira River is approached in the context of historical knowledge, endemisms, distribution patterns, biogeography, areas endemism and conservation. The first chapter addresses the history of the ichthyological knowledge of the Madeira River basin, from the contribution of the first naturalists to contemporaneous ichthyologists. In the second and third chapters, endemisms, distribution patterns and areas of endemism are discussed from a conservationist perspective.
 
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Date de Libération
2020-05-23
Date de Publication
2018-06-18
 
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