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Latin american journal of aquatic research

On-line version ISSN 0718-560X


DE LOS RIOS-ESCALANTE, Patricio. Crustacean zooplankton species richness in Chilean lakes and ponds (23°-51°S). Lat. Am. J. Aquat. Res. [online]. 2013, vol.41, n.3, pp.600-605. ISSN 0718-560X.

Chilean inland-water ecosystems are characterized by their low species-level biodiversity. This study analyses available data on surface area, maximum depth, conductivity, chlorophyll-α concentration, and zooplankton crustacean species number in lakes and ponds between 23° and 51°S. The study uses multiple regression analysis to identify the potential factors affecting the species number. The partial correlation analysis indicated a direct significant correlation between chlorophyll-α concentration and species number, whereas the multiple regression analysis indicated a direct significant response of species number to latitude and chlorophyll-α concentration. These results agree with findings from comparable ecosystems in Argentina and New Zealand.

Keywords : species richness; zooplankton; chlorophyll-α; conductivity; limnology; Chilean Patagonia.

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