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Several fish consumed large numbers of only one or two taxa; we observed >10 individuals (range in abundance of 11 to 108 individuals) for Viviparus snails (six fish), chironomids (five fish), Pleurocera snails (two fish), zebra mussels (two fish), water mites (one fish), Ostracoda (one fish), and Corbicula (one fish).
Rudd fry consume unicellular algae and phytoplankton and switch to zooplankton and small chironomids when they reach ca.
In this context, the goal of our study was to provide data on the chironomid fauna of Ecuadorian high-altitude streams, both glacier-fed and non-glacial, in order to contribute to the overall knowledge of the tropical fauna in high-elevation Andean regions.
4 [+ or -] 1.4 2 Chironomid larvae -- -- Scoloplos (Leodamas) rubra -- 0.5 [+ or -] 0.8 Aricidea sp.1 -- 4 [+ or -] 5.7 Lembos unifasciatus reductus -- -- Ampelisca sp.
Subfossil diatom and chironomid assemblages have commonly been examined for studies of eutrophication, as diatom species are responsive to changing nutrient (phosphorus) conditions (Hall and Smol, 2010), and chironomid assemblages often shift with altered oxygen dynamics, specifically the decrease in bottom-water dissolved oxygen that typically accompanies eutrophication (Little et al., 2000; Luoto and Salonen, 2010).
Recently, fractal dimension has been used to describe behavioral patterns of animals such as fruit flies  and chironomids .
The majority (>99%) of dipterans consisted of larval and pupal chironomids. Dipterans were most important to all size classes of Sand Rollers across all months, but their IRI values were higher in shoreline habitats (range = 82-96%) than in benthic, main-channel habitats (range = 37-61%; Fig.
Minnesota Guide Brian "Bro" Brosdahl is a bloodworm believer, finding wads of digested chironomid goo in the stomachs of smaller walleyes, fall through winter.
Patterning of impoundment impact on chironomid assemblages and their environment with use of the self-organizing map (SOM).
and Simulium sp., and 3) multiple regression analysis revealed a negative relationship between Chironomid n.d.
Taxonomic composition and average density ([+ or -] standard deviation) of Chironomid larvae by dry weight macrophyte (Ind g DW-1)] of the three repetitions of Chironomid larvae recorded during the colonization experiment with Eichhornia azurea in the Paraiso Lake (Amazonas, Brazil).
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