WebApr 6, 2011 · Aim The development of metacommunity theory inspired a series of studies exploring the importance of environmental and spatial effects on the composition of biotic assemblages. However, the comparison of different groups of organisms has been hampered by differences in sampling design, spatial scales or the environmental … WebDec 15, 2024 · The objective of this paper is to identify the combinations and types of stressors associated with alteration of stream biological assemblages based on biotic metrics in five diverse regions of the U.S. Boosted regression tree (BRT) models were used to evaluate about 120 variables from the five stressor types to identify those variables …
Multiple in-stream stressors degrade biological assemblages in …
WebApr 20, 2015 · Community ecology and paleoecology are both concerned with the composition and structure of biotic assemblages but are largely disconnected. Community ecology focuses on existing species … WebAug 15, 2013 · Stream assemblages are structured by a combination of local (environmental filtering and biotic interactions) and regional factors (e.g., dispersal related processes). The relative importance of environmental and spatial (i.e., regional) factors structuring stream assemblages has been frequently assessed in previous large-scale … cytosport fast twitch reviews
Ecosystem Services Provided by Benthic Macroinvertebrate …
WebRange expansions to the northeast are projected for assemblages associated with warmer and shallower waters of the Western Scotian Shelf over the 21st century as thermal habitat on the relatively cooler Eastern Scotian Shelf becomes more favorable. Community-level modeling provides a biotic-informed approach for identifying broadscale ... WebNov 23, 2024 · Direct or indirect effects of nuclear power plants' (NPPs) warmwater effluents on the structure of biotic assemblages are poorly known in very large rivers. We examined changes in physical habitat structure, temperature condition and their possible effects on the structure of Danubian fish assemblages due to the outflow of the Paks NPP's ... WebMar 13, 2024 · This study deals with the macrobenthic assemblages and the biotic environmental quality of Kochi backwaters (KBW), India. Due to the heavy river discharge, extensive limnetic and turbid conditions prevailed in the KBW during the southwest monsoon (June to September). This exerted a profound adverse effect on the abundance, … bingel pictogram