In this study we determined the taxonomic diversity of larval Chironomidae upstream and downstream to discharges of the sewage treatment plant (STP) from Agro-industrial District of Anápolis, State of Goiás, Brazil. Additionally, we evaluated the use of the lognormal distribution as a measure of biotic integrity of this system. The Chironomidae communities were sampled in three sites, upstream ...

Benthic communities are highly relevant in the study of aquatic ecosystems, both for their role in the functioning of the ecosystem and also as markers or indicators of paleo-conditions. Their distribution, as in other communities, is conditioned by abiotic and biotic factors and to their interactions, which determine the structure of the community that is established. The aim of this study was...

Abstract Many lakes in the northern hemisphere are browning due to increasing concentrations of terrestrial dissolved organic carbon (DOC). The consequences lake littoral invertebrates, however, not fully understood. We analyzed community structure and fatty acid (FA) profiles invertebrates humic (DOC-rich) clear-water Eastern Finland. found higher abundance chironomids (Diptera: Chironomidae) ...

Lakes and lagoons play an important role worldwide, salinity fluctuations significantly affect their ecosystems. Bay Sivash, the world’s largest hypersaline water body, underwent a sharp change in salinity, induced by closing of North Crimean Canal. To monitor shift ecosystem, study was carried out from 2014 to 2020 at 15 sites lagoon. Since closure canal, average increased 22 g L?1 (2013) 94 (...

This study aimed at relating the abundance and diversity of invertebrate communities of urban soils to chemical and physical soil characteristics and to identify the taxa most sensitive or tolerant to soil stressors. The invertebrate community of five urban soils in Naples, Italy, was sampled. To assess soil quality invertebrate community indices (Shannon, Simpson, Menhinick and Pielou indices)...

to date, no comprehensive study has been carried out on the chironomid larvalidentification in running waters of the country, in particular in large rivers. therefore, this article is thefirst of its kind in iran that has come out in english. samples were collected in 9 sites from thezayandehrood river a distance of 230 km down the zayandehrood dam. the sampling was repeatedfour times: november...

phytoplankton communities play a significant role in the oceanic biological pump by forming the base of the trophic structure. increase in nutrients loading affects spatial and temporal distribution of phytoplankton. this study examined the phytoplankton community structure and ecological indices in relation to nutrients dynamics in both estuarine and oceanic areas of ramisi-vanga systems alon...

Glacier retreat is occurring across the world, and associated river ecosystems are expected to respond more rapidly than those in flowing waters in other regions. The river environment directly downstream of a glacier snout is characterised by extreme low water temperature and unstable channel sediments but these habitats may become rarer with widespread glacier retreat. In these extreme enviro...

Abstract Aim In the present study, structure of benthic invertebrates in ponds presence and absence Nile tilapia was evaluated. Methods The macroinvertebrates physicochemical parameters were analyzed for a period eight weeks, every 15 days, two (one with fish other without fish). Benthic sampled artificial substrate samplers, made cheap common materials, like expanded clay, loofah leaves gravel...