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The increase in penetration of ultraviolet radiation has been reported currently over southern South America. It would affect the photoprotective responses in biotic elements of freshwater ecosystems. An experiment was designed using pigmented adult individuals of the species Daphnia dadayana (Pa...


De Los Ríos Escalante, Patricio[Survival of pigmented freshwater zooplankton, exposed to artificial ultraviolet radiation and two levels of dissolved organic carbon]Survival of pigmented freshwater zooplankton, exposed to artificial ultraviolet radiation and two levels of dissolved organic carbon

Easter Island constitutes the most isolated terrestrial ecosystem in the Pacific Ocean. The fauna of that site is interesting from a biogeographical point of view because species from Pacific Asia and South America can be found there, as well as endemic species. The aim of the present study was t...


De Los Ríos Escalante, PatricioIbáñez Arancibia, Eliana[A CHECKLIST OF MARINE CRUSTACEANS KNOWN FROM EASTER ISLAND]A CHECKLIST OF MARINE CRUSTACEANS KNOWN FROM EASTER ISLAND
De Los Ríos Escalante, PatricioRomero Mieres, Mario[LITTORAL CRUSTACEANS IN LAKES OF CONGUILLIO NATIONAL PARK (38 degrees S), ARAUCANIA REGION, CHILE]LITTORAL CRUSTACEANS IN LAKES OF CONGUILLIO NATIONAL PARK (38 degrees S), ARAUCANIA REGION, CHILE

The increase in the penetration of ultraviolet radiation that has been reported lately for freshwater ecosystems in southern South America would allegedly generate alterations in ecological processes. In this respect the mortality of Parabroteas sarsi, a calanoid copepod distributed in South Amer...


De Los Ríos Escalante, Patricio[Short term effects of exposition to artificial ultraviolet radiation on Parabroteas sarsi (Copepoda, Calanoida)]Short term effects of exposition to artificial ultraviolet radiation on Parabroteas sarsi (Copepoda, Calanoida)

The Chilean fairy shrimp species are represented by the Branchinecta genus, which are poorly described, and mainly occur in shallow ephemeral pools in the Atacama Desert of northern Chile and the Southern Chilean Patagonian plains. The aim of the present study was to perform an initial ecological...


De Los Ríos Escalante, Patricio[Null models for understanding fairy shrimp habitats]Null models for understanding fairy shrimp habitats

The south of Patagonia is characterized by its semi-arid weather and numerous small, temporary and permanent shallow ponds. The aquatic crustaceans of these water bodies are characterized by their endemism and species richness. The present study was done in the surroundings of Punta Arenas (53 de...


De Los Ríos Escalante, PatricioRogers, D. ChristopherRivera, Nelson[BRANCHINECTA GAINI DADAY, 1910 (BRANCHIOPODA, ANOSTRACA) AS A BIOINDICATOR OF OLIGOTROPHIC AND LOW CONDUCTIVITY SHALLOW PONDS IN SOUTHERN CHILEAN PATAGONIA]BRANCHINECTA GAINI DADAY, 1910 (BRANCHIOPODA, ANOSTRACA) AS A BIOINDICATOR OF OLIGOTROPHIC AND LOW CONDUCTIVITY SHALLOW PONDS IN SOUTHERN CHILEAN PATAGONIA
De Los Ríos Escalante, PatricioSolis-Lufi, KatherinRodriguez-Ortiz, RoxanaFlrias, Jorge[FIRST REPORT ON SEASONAL ABUNDANCE OF MALACOSTRACANS IN THE ALLIPEN RIVER (38 degrees 51 ' S, NORTH PATAGONIA, ARAUCANIA REGION, CHILE)]FIRST REPORT ON SEASONAL ABUNDANCE OF MALACOSTRACANS IN THE ALLIPEN RIVER (38 degrees 51 ' S, NORTH PATAGONIA, ARAUCANIA REGION, CHILE)

In four samples of Artemia urmiana Gunther, 1899 from Urmia Lake, Iran, the following parameters were compared: the diameter of the frontal knobs (right and left), and the respective ratios of that diameter with total body length and head width. The results do not denote significant differences i...


De Los Ríos Escalante, PatricioAsem, Alireza[COMPARISON OF THE DIAMETER OF THE FRONTAL KNOBS IN ARTEMIA URMIANA GUNTHER, 1899 (ANOSTRACA)]COMPARISON OF THE DIAMETER OF THE FRONTAL KNOBS IN ARTEMIA URMIANA GUNTHER, 1899 (ANOSTRACA)

The Chilean Patagonian lakes are characterized by their oligotrophy, high endemism, significant predominance of calanoid copepods in comparison to daphnid cladocerans, and low species richness. These characteristics are in marked contrast to the situation in North American lakes. In the present s...


De Los Ríos Escalante, PatricioSoto, Doris[Crustacean (Copepoda and Cladocera) zooplankton richness in Chilean Patagonian lakes]Crustacean (Copepoda and Cladocera) zooplankton richness in Chilean Patagonian lakes
Quinan, EstebanDe Los Ríos Escalante, Patricio[PRESENCE OF DECAPODS IN THE DIET OF AN INTRODUCED MINK (NEOVISON VISON (SCHREBER, 1777)) POPULATION IN A CHILEAN NORTH PATAGONIAN LAKE]PRESENCE OF DECAPODS IN THE DIET OF AN INTRODUCED MINK (NEOVISON VISON (SCHREBER, 1777)) POPULATION IN A CHILEAN NORTH PATAGONIAN LAKE

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