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5.191  Articles
1 of 520 pages  |  10  records  |  more records»
The industrial and agricultural activities of mankind, which includes chemical pollution, building of dams and hydroelectric power stations and their use of the biomass of freshwater ecosystems, have had considerable impacts on freshwater ecosystems, the ... see more

This study aims to improve the knowledge of aquatic Coleoptera biodiversity in northeastern Argentina. The sampling sites correspond to two permanent ponds located in the department Capital of Corrientes Province, Argentina. The samples were collected bet... see more

This paper presents a list of aquatic and semiaquatic Coleoptera collected during a biodiversity study carried out in Salto Encantado and Valle del Cuñá Pirú Provincial Park. This study aims to improve the knowledge of this protected area l... see more

The purpose of this study is to investigate fish biodiversity in the Kelekar floodplain. The study is explorative, with the determination of observation stations and with purposive sampling methods. Fishes were captured approximately 1.509 individuals con... see more

The creation of reservoirs in river valleys for the accumulation of fresh water has been and remains an important issue around the world. This process has both positive and negative consequences for people and nature. Significant changes in the regime of ... see more

The recovery or reconstruction of aquatic vegetation has recently been reported as a result of water quality improvement after anthropogenic eutrophication. The objectives of this study were: to investigate long-term trends in aquatic vegetation abundance... see more

The influence of different species and ecological forms of higher aquatic plants on the abundance, biomass and species diversity of zooplankton was investigated in experimental ecosystems (microcosms). It was shown that in the absence of fish and macroinv... see more

HighlightsMangrove sampling was conducted to use the "spot check" methodMangrove ecosystem of Bagan Serdang Village was categorized damaged Diversity of mangroves in the Bagan Serdang Village mangrove ecosystem was categorized moderate, but dive... see more

HighlightsMangrove sampling was conducted to use the "spot check" methodMangrove ecosystem of Bagan Serdang Village was categorized damaged Diversity of mangroves in the Bagan Serdang Village mangrove ecosystem was categorized moderate, but dive... see more

1 of 520 pages  |  10  records  |  more records»