Ecology of benthic crustaceans in the Cautin river (38°S, Araucania region, Chile)
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The Cautin river is located in the Araucania region, Chile (38°S), and is characterized by alterations through human interference in its surrounding basin, by the presence of introduced salmonids, and by its mixed regime, which originates from melting snow in summer and rains in winter. The fauna of this river includes an invertebrate fauna composed of both endemic and widespread species, which has, however, been only poorly studied until now. The aim of the present study was to make a review of the ecological role of the benthic inland water crustaceans of the River Cautin, in order to understand their importance in the ecosystem of the river. The literature revealed the presence of abundant populations of amphipods and freshwater crabs as well as of aquatic insects along the river’s course. Many of these crustaceans are prey for both introduced salmonids and native fishes. Similar results have been reported for other southern Argentinean and Chilean Patagonian rivers.
Le fleuve Cautin est situé dans la région de l’Araucanie (38°S) et se caractérise par des altérations liées à l’intervention humaine dans son bassin environnant, par la présence de salmonidés introduits, et par son régime mixte, qui provient de la fonte des neiges en été et des pluies en hiver. Sa faune inclut une faune d’invertébrés composée d’espèces endémiques et d’espèces largement répandues, qui a, cependant, été peu étudiée jusqu’à présent. Le but de la présente étude était de faire une revue du rôle écologique des crustacés benthiques des eaux intérieures du fleuve Cautin, afin de comprendre leur importance dans l’écosystème du fleuve. La littérature a révélé la présence d’abondantes populations d’amphipodes et de crabes d’eau douce ainsi que d’insectes aquatiques tout au long du cours du fleuve. Beaucoup de ces crustacés sont la proie à la fois des salmonidés introduits et des poissons indigènes. Des résultats similaires ont été signalés pour d’autres fleuves du sud de l’Argentine et du Chili.
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Ecology of benthic crustaceans in the Cautin river (38°S, Araucania region, Chile)
In: Crustaceana2Núcleo de Producción Alimentaria UC Temuco, Temuco, Chile
Search for other papers by Rolando Vega in
Current site
Google Scholar
PubMed
4Núcleo de Estudios Ambientales UC Temuco, Temuco, Chile
Search for other papers by Patricio De los Ríos-Escalante in
Current site
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PubMed
4Núcleo de Estudios Ambientales UC Temuco, Temuco, Chile
Search for other papers by Francisco Encina in
Current site
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PubMed
2Núcleo de Producción Alimentaria UC Temuco, Temuco, Chile
Search for other papers by Alfonso Mardones in
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PubMed
The Cautin river is located in the Araucania region, Chile (38°S), and is characterized by alterations through human interference in its surrounding basin, by the presence of introduced salmonids, and by its mixed regime, which originates from melting snow in summer and rains in winter. The fauna of this river includes an invertebrate fauna composed of both endemic and widespread species, which has, however, been only poorly studied until now. The aim of the present study was to make a review of the ecological role of the benthic inland water crustaceans of the River Cautin, in order to understand their importance in the ecosystem of the river. The literature revealed the presence of abundant populations of amphipods and freshwater crabs as well as of aquatic insects along the river’s course. Many of these crustaceans are prey for both introduced salmonids and native fishes. Similar results have been reported for other southern Argentinean and Chilean Patagonian rivers.
| All Time | Past Year | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 1094 | 121 | 8 |
| Full Text Views | 198 | 7 | 4 |
| PDF Views & Downloads | 12 | 3 | 0 |