Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 6 of 6 for “"Elmidae"”.
-
Caracterização e distribuição de Elmidae (Insecta, Coleoptera) no Rio da Fazenda, Floresta da Tijuca, Rio de Janeiro, RJ
ln a study carried out on Elmidae in a first order stream at Tijuca Forest, Rio de Janeiro, RJ (Brazil), samples were taken from four substrate types: litter from pools, hard rocks, sand and litter from riffles. A total of 1542 individuals, being 246 adults and 1296 larvae, of 7 species: …
-
Ecophysiology and Food Web Dynamics of Spring Ecotone Communities in the Edwards Aquifer, USA
… on several riffle beetle species (Coleoptera: Elmidae), including two ecotone specialists. Results indicate that ecotone-associated species exhibit stenothermal tolerance profiles when compared to surface species. I also examined resource use in invertebrate communities at two spring ecotones …
-
Biodiversity and Phenology of the Epibenthic Macroinvertebrate Fauna in a First Order Mississippi Stream
… and March 2015 collections. The beetle family Elmidae was well represented in Granny Creek. Nine genera of elmids have been collected from Florida, seven of which had representatives in Granny Creek.<strong> </strong></p>
-
Modelling and managing the effects of trout farms on Cape rivers
… number of Limnichidae, Helodidae, Plecoptera, Elmidae, Heptageniidae and Ephemerellidae, and, in the case of portapool farms, to replace these with Naididae, Lumbriculidae, Chironomidae and Planaria. Once-off chemical samples were also collected at each site and, acknowledging the limitations …
-
Effects of a Textile Mill Effluent and a Low Water Dam on Benthic Macroinvertebrate Community Structure of the Guadalupe River in Comal County, Texas
… (Hyalellidae), Chironomids, and Dubiraphia (Elmidae). More taxa and greater number of individuals were present downstream from the effluent than upstream at all times during the study period. The fewest taxa and individuals were present at sites located in the effluent canal. Rapid …
-
Responses of Aquatic Benthic Macroinvertebrate Communities to a Large Flow Pulse in the Guadalupe, San Antonio and Brazos River Basins, Texas
… Isonychiidae) and negatively (e.g., Elmidae, Leptophlebiidae, Chironomidae) to high flow pulses. Therefore, flow-responsive BMI taxa found in this study provide potential indicator species for environmental flow standards assessments, although the ubiquitous use of these indicator …