6. Reduced nutritional quality of periphyton led to reduced LC-PUFA in muscle tissues of bottom-dwelling bullhead and even piscivorous brown trout, suggesting that changes of FA composition at the base of river food webs cannot be compensated by intermediate consumers, such as benthic invertebrates...
In some regions of the San Francisco Estuary, the two broad habitat types, tidal wetland and open water, contain distinct trophic pathways that function separately and in parallel (Grimaldo et al.2009): a food web based primarily on detritus from emergent and submersed vegetation (Howe and Simen...
Although theoretical foodweb models predict the presence of only three to four trophic categories, estimation of “potential” vertical foodweb structure from species lists and inferred feeding interactions suggest that as many as 7 trophic categories can occur in the pelagic foodwebs of North American...
Isotopic analysis of three food web theories in constricted and floodplain regions of a large river Analyses of stable isotope (未13C and 未15N) and C:N ratios of food webs within a floodplain and a constricted-channel region of the Ohio River during Octo......
of habitats, with intertidal mudflats, mangroves, hypersaline flats, freshwater floodplains and streams, covering an area of approximately 28,000 km2 (this comprises the Kakadu National Park and land within the western portion of Arnhem Land, part of the catchment of the East Alligator River). ...
and food web structure (Cross et al., 2006). Follow-up studies showed how the whole-stream nutrient additions altered food web structure (Manning et al., 2016). Whole-ecosystem studies (holistic approaches) have the advantage of taking into account the entire, intact system. However, ...
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BAF and BSAF values were also highest in this species indicating that Commelina erecta may represent a greater reservoir for pesticides and may be a principal factor in subsequent transfer of pesticides along the food web of Ikpoba River. The BMF values for 伪-HCH, 纬-HCH, 尾-HCH, ...
Anthropogenic activities induce eutrophication, chemical pollution, climate change, and food web alteration, resulting in benthic filamentous algal blooms in littoral habitats of clear lakes worldwide and the loss of key ecosystem functions and services (Vadeboncoeur et al., 2021). As an emerging thr...
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