Fish functional diversity
Webthe Upper Paraná River (Brazil) reduced fish functional diversity, with fish assemblage biomass shifting from dominance by large migratory fishes that are trophic specialists to smaller non-migratory species that tend to be trophic generalists. A seven-year fish monitoring program in the lower Mekong River Basin concluded WebMay 26, 2024 · Abstract. Loss of lateral hydrological connectivity (LHC) is a major cause of biodiversity decline in river floodplains, yet little is known about its effects on aquatic …
Fish functional diversity
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WebMar 16, 2016 · Neotropics host more than three-quarters of the world fish functional diversity. We report a threefold lower functional turnover … WebMay 12, 2024 · The functional traits used were morphometric measurements taken from sampled fish (intraspecific traits), which were used to calculate three functional diversity indices: functional richness, evenness, and divergence. In general, no patterns were found for the functional diversity indices concerning macrophyte removal (among sampling …
WebJul 5, 2024 · For bony fishes and elasmobranchs, we compared the performance of eDNA metabarcoding and long‐term remote video to assess species’ phylogenetic and functional diversity. We used 10 eDNA samples from 30 L of water each and 25 hr of underwater videos over 4 days on Malpelo Island (pacific coast of Colombia), a remote marine … Web10 rows · Background Freshwater fish populations are facing multiple stressors, including climate change, ...
WebFeb 19, 2024 · Here, we assess the extent to which six key facets of freshwater fish biodiversity—taxonomic, functional, and phylogenetic richness, plus the dissimilarity … WebOct 29, 2024 · Conservation of the Neotropical fish diversity is a key target to maintain world fish functional diversity, but this should not hide the pressing need to conserve the vulnerable fish faunas of the ...
WebApr 6, 2024 · We used functional traits to inform Chesapeake Bay Watershed fish responses to future climate and land-use scenarios (2030, 2060, and 2090). ... Projected responses of functional and phylogenetic diversity and redundancy differed among regions. Lowland regions were projected to become less functionally and …
WebApr 6, 2024 · We used functional traits to inform Chesapeake Bay Watershed fish res ... Projected responses of functional and phylogenetic diversity and redundancy differed … richard nailerWebWe predicted that both functional diversity and environmental variation play a role in determining beta-diversity. We tested this prediction by modelling the patterns of stream fish beta-diversity as a function of environmental variation, functional diversity and gamma-richness across 10,220 sites for 329 fish species using a series of ... red lobster n shadelandrichard naids mdWebMar 27, 2014 · The global biodiversity crisis has invigorated the search for generalized patterns in most disciplines within the natural sciences. Studies based on organismal functional traits attempt to broaden implications of results by identifying the response of functional traits, instead of taxonomic units, to environmental variables. Determining the … richard naidsWebApr 28, 2024 · On the other hand, functional diversity declined throughout the same period, indicating the loss of functional diversity despite increased species diversity. Our analysis also showed that the fish communities shifted from under-dispersion to over-dispersion due to both a decrease in the relative abundance of migratory fish and an … red lobster norwalk ctWebFeb 15, 2024 · Rare species are crucial for biological diversity and ecosystem functioning. Here, the authors combine taxonomic and functional diversity data to quantify rarity … richard naiduWebJan 20, 2024 · Few studies investigated how fish functional diversity changed in eutrophic lakes. • Functional diversity was jointly shaped by natural and anthropogenic drivers. • Fish body size was a key trait explaining change of functional diversity. • Functional diversity offers potential for advanced detection of ecosystem variation. • richard naidu case