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Southern Chile, trout and salmon country: invasion patterns and threats for native species
Para evaluar la distribucion y abundancia actual de salmonidos y peces nativos muestreamos 11 lagos grandes y 105 arroyos, cubriendo 13 cuencas principales en el sur de Chile desde 39° a 52°S. En…
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Pleistocene glaciation leaves deep signature on the freshwater crab Aegla alacalufi in Chilean Patagonia
TLDR
Phylogenetic analyses revealed a shallow phylogenetic structure in the north group but a deep one in the non‐glaciated populations on western islands, indicating the significant influence of glaciation on these populations, and Nest clade analyses suggest a possible colonization from western islands to eastern continent.
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Global diversity of crabs (Aeglidae: Anomura: Decapoda) in freshwater
TLDR
The freshwater anomuran crabs of the family Aeglidae are all restricted to southern South America occurring in Chile, Brazil, Bolivia, Uruguay, Paraguay, and Argentina and 23 or 36.5% are considered under threat and in need of conservation action.
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Molecular systematics and biogeography of the southern South american freshwater "crabs" Aegla (decapoda: Anomura: Aeglidae) using multiple heuristic tree search approaches.
TLDR
This phylogenetic analysis of the most abundant and widely distributed southern South American freshwater"crab," the Aegla, supports the Pacific-Origin Hypothesis postulated for the group; alternative hypotheses of Atlantic or multiple origins were significantly rejected by the authors' analyses.
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Aquaculture, non‐native salmonid invasions and associated declines of native fishes in Northern Patagonian lakes
TLDR
This study documents the recent history of escaped and self-sustaining salmonid populations over a wide spatial scale and a long temporal scale in Chilean Patagonian lakes and provides a starting point to judge the establishment of new fish farming sites in lakes around the world.
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Categorías de conservación de decápodos nativos de aguas continentales de Chile
PHYLOGENETIC RELATIONSHIPS AMONG THE SPECIES OF AEGLA ( ANOMURA : AEGLIDAE ) FRESHWATER CRABS FROM CHILE
TLDR
The phylogenies provide strong monophyletic support for the currently recognized species, with the exception of Aegla laevis and Aegla cholchol samples, which form nonmonophyletics groups.
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ON THE PHYLOGENETIC POSITIONING OF THE SOUTH AMERICAN FRESHWATER CRAYFISH GENERA (DECAPODA: PARASTACIDAE)
TLDR
The results indicate that the South American genera form a well-supported monophyletic group closely related to a subset of the Australasian crayfishes (Paranephrops and Parastacoides) and provide strong support for the currently recognized generic designations.
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Conservation Assessment of Southern South American Freshwater Ecoregions on the Basis of the Distribution and Genetic Diversity of Crabs from the Genus Aegla
TLDR
Biodiversity across rivers and within areas was heterogeneously distributed in the ecoregions of Upper Paraná, Ribeira do Iguape, Upper Uruguay, and South Brazilian Coast, and conservation plans in the former regions will potentially require less effort than Plans in the latter regions.
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Morphologic Variation in Aegla Leach (Decapoda: Reptantia: Aeglidae) from Central-Southern Chile: Interspecific Differences, Sexual Dimorphism, and Spatial Segregation
TLDR
The sexual dimorphism from an adaptive perspective is discussed and it is proposed that the architecture of the cephalothorax in aeglids is a trait conserved and regulated significantly throughout the evolutionary history of the group.
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