The function of seasonal habitat shifts in two congeneric mayflies in a boreal river
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The Bivalve Corbicula fluminalis (Müller, 1774): an Indicator for Heavy Metals Accumulation in the Habitat of Zayandeh-Roud River
The accumulation of the heavy metals Cd, Zn, Cu, and Pb were surveyed in the samples of mantle tissues, crusts and so the habitat sediments of C. fluminalis to reveal the probable biomonitoring rule of the bivalve in the ecosystem. The warm-cold seasonally samplings were carried out over the stations of Zayandeh-Roud River in Safi'eh, Isfahan province, during 2014. The warm and cold seasonal a...
متن کاملFish assemblages and habitat ecology of River Pinder in central Himalaya, India
Snow-fed River Pinder -a tributary of River Alaknanda in central Himalaya was explored for fish assemblages and habitat specificity. Altogether 27 fish species were reported from three orders, four families and nine genera. Cypriniformes order was dominating followed by Siluriformes and Salmoniformes. Shannon-Weiner diversity index (3.09 to 4.10) and Simpson index of diversity (0.81 to 0.92) of...
متن کاملFish assemblages and habitat ecology of River Pinder in central Himalaya, India
Snow-fed river Pinder -a tributary of river Alaknanda in central Himalaya was explored for fish assemblages and habitat specificity. Altogether 27 fish species were reported from three orders, four families and nine genera. Cypriniformes order was dominating followed by Siluriformes and Salmoniformes. Shannon-Weiner diversity index (3.09 to 4.10) and Simpson index of diversity (0.81 to 0.92) of...
متن کاملThe impacts of seasonal water discharge fluctuations on benthic communities on the productivity and the consumption of Tajan Estuary, southern coast of the Caspian Sea
In the present study, changes in benthic communities due to seasonal changes in the water of the southern Caspian Basin were investigated. Sampling was conducted monthly, from March 2006 to March 2007, at six selected stations in Tajan River mouth located on south eastern Caspian Sea. Also secondary benthic production consumable for fish and other biota inhabiting the mouth and adjacent areas w...
متن کاملLATERAL MOVEMENTS VERSUS STATIONARITY - ADAPTIVE ALTERNATIVES IN BENTHIC INVERTEBRATES TO THE SEASONAL ENVIRONMENT IN A BOREAL RIVER by
Benthic invertebrates inhabiting boreal rivers are exposed to very large sea sonal variations in their physical environment. The extremes are in winter when the littoral area freezes solid and in spring when water flow increases rapidly. In the North Swedish river Vindelälven, the invertebrates fell into three main categories according to their seasonal lateral distribution. One category of an...
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تاریخ انتشار 2016