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Population genetics of the freshwater mussel, Amblema plicata (Say 1817) (Bivalvia: Unionidae): Evidence of high dispersal and post-glacial colonization
Genetic structure in the Lake Erie drainage was similar to that in the Ohio River, and indicates that northern populations were founded from at least two glacial refugia following the Pleistocene, indicating high effective population size and/or highly vagile fish hosts for this species.
Population genetics and phylogeography of freshwater mussels in North America, Elliptio dilatata and Actinonaias ligamentina (Bivalvia: Unionidae)
Genetic analysis identified the Ouachita River as an area of significant reproductive isolation for both Elliptio dilatata and Actinonaias ligamentina, and results for AL indicated dispersal followed by low gene flow in northern areas.
Nutrient release and ecological stoichiometry of freshwater mussels (Mollusca:Unionidae) in 2 small, regionally distinct streams
Mussel shell and soft-tissue nutrient stoichiometry were relatively homeostatic and fell within stoichiometric ranges of other macroinvertebrates, except that mussel tissue had higher % P and lower C:P and N:P than are usually observed in other macro invertebrate species.
Phylogenetic and morphometric analyses reveal ecophenotypic plasticity in freshwater mussels Obovaria jacksoniana and Villosa arkansasensis (Bivalvia: Unionidae)
It is found that Obovaria jacksoniana and Villosa arkansasensis are synonomous and most closely related to a clade composed of O. retusa, O. subrotunda, and O. unicolor; and morphological differences between the two species are caused by ecophenotypic plasticity.
Nutrient stoichiometry of linked catchment‐lake systems along a gradient of land use
Summary 1. Catchments export nutrients to aquatic ecosystems at rates and ratios that are strongly influenced by land use practices, and within aquatic ecosystems nutrients can be processed,
Population genetic structure of three freshwater mussel (Unionidae) species within a small stream system: significant variation at local spatial scales
It is hypothesised that species of mussels that are common to large rivers exhibit relatively large amounts of within-population genetic variation and little differentiation over large geographical distances, and species typical of small streams show lower within- Population genetic variation, and populations will be more isolated.
Survival and Horizontal Movement of the Freshwater Mussel Potamilus capax (Green, 1832) Following Relocation within a Mississippi Delta Stream System
Using survival as a success measure remains valuable, but requires further evaluation, and it is asserted understanding movement behavior in the focus species remains critical to strategic development of monitoring strategies.
Distribution, Population Characteristics, and Physical Habitat Associations of Black Bass (Micropterus) in the Lower Eleven Point River, Arkansas
Based on habitat, abundance, diet and condition factors, the Arkansas portion of the Eleven Point River contains a viable and balanced population of black bass.
Niche Partitioning of the Sympatric Yellowcheek Darter Etheostoma moorei and Rainbow Darter Etheostoma caeruleum in the Little Red River, Arkansas
Rainbow darters were at their greatest densities in upstream riffles where yellowcheek darters had not recolonized, suggesting niche partitioning, and temporal differences in microhabitat selection appear to enable the coexistence of these two sympatric and ecologically similar darters.
Long-lived organisms provide an integrative footprint of agricultural land use.
It is demonstrated that mussels integrate anthropogenic N input into rivers at a watershed scale and could be a good bioassessment tool for tracking agriculture N sources.