Global ETD Search
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Showing 1 to 5 of 5 for “"Piscivorous fishes"”.
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Effects of landlocked alewife introduction on white bass and walleye populations, Claytor Lake, Virginia
… in the stomach contents of eight species of piscivorous fishes. The vertical distributions by season of alewives, channel catfish, white crappie, walleye, and white bass are given. Each of the predator fishes seem to be found in close proximity to the alewife. Changes in the fish fauna of …
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Habitat utilisation by juvenile fishes in Mhlathuze Estuary and Richards Bay Habour
… harbours in the province for juvenile estuarine fishes, but as areas of ongoing development the future ecological value of harbours is not guaranteed. Descriptions of shallow water estuarine habitats and an assessment of their utilisation by juvenile fishes is important if fish stocks are to be …
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Ecological and recreational interactions of the native pike Esox lucius and the invasive pikeperch Sander lucioperca in England.
… also a major introduction pathway for non-native fishes. As recreational anglers often prefer targeting large-bodied fishes, introductions of non- native species have become an integral part of fisheries management practices to diversify angler opportunities and increase satisfaction. However, …
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Evaluating the effects of rainbow smelt on native piscivores in freshwater systems with a special focus on walleye recruitment and larval bioenergetics
Since the early 1900's rainbow smelt (Osmerus mordax)have been introduced into many new freshwater inland systems outside of its native range. In freshwater systems the interaction between rainbow smelt and native piscivores differs from species to species. In some cases predation or competitive …
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Cryptobenthic Coral Reef Fishes: Resolving Critical Gaps in Species Delimitation, Sampling Techniques, and Phylogenetic relationships
Cryptobenthic reef fishes (CRF) are the smallest vertebrates on coral reefs but represent about 40% of the fish species and about 50% of fish abundance in coral reef ecosystems. Their diversity can be explained by their extremely limited dispersal abilities and short generation times (promoting …