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Freshwater Mussels of Alabama and the Mobile Basin in Georgia, Mississippi, and Tennessee
This is a comprehensive accounting of the richest mussel fauna in the U.S.Alabama rivers and waterways are home to the largest and most diverse population of freshwater mussel species in the nation,…
Conservation Status of Freshwater Gastropods of Canada and the United States
Comparison of modern to background extinction rates reveals that gastropods have the highest modern extinction rate yet observed, 9,539 times greater than background rates.
A Revised List of the Freshwater Mussels (Mollusca: Bivalvia: Unionida) of the United States and Canada
- James D. Williams, A. Bogan, +5 authors G. Watters
- GeographyFreshwater Mollusk Biology and Conservation
- 1 October 2017
ABSTRACT We present a revised list of freshwater mussels (order Unionida, families Margaritiferidae and Unionidae) of the United States and Canada, incorporating changes in nomenclature and…
Predominant Bacteria Isolated from Moribund Fusconaia ebena Ebonyshells Experiencing Die-Offs in Pickwick Reservoir, Tennessee River, Alabama
The majority of the moribund and freshly dead F. ebena were females possibly predisposed to infection and disease from ongoing reproductive activity, and the numbers of total bacteria from both the 2006 and 2008 die-offs were significantly greater from the diseased specimens.
A molecular phylogeny of Mobile River drainage basin pleurocerid snails (Caenogastropoda: Cerithioidea).
- C. Lydeard, W. Holznagel, J. Garner, P. Hartfield, J. M. Pierson
- Biology, MedicineMolecular phylogenetics and evolution
- 1 February 1997
A molecular phylogeny for Mobile River drainage basin pleurocerid snails using mitochondrial 16S rRNA gene data serves as an important foundation for future studies examining conservation genetics and systematics of this diverse and imperiled family.
Changes in the freshwater mussel (Bivalvia: Unionidae) fauna of the Bear Creek system of Northwest Alabama and Northeast Mississippi
Reproductive seasonality and annual fecundity in Arcidens confragosus (Unionidae: Unioninae: Anodontini) from Tennessee River, Alabama, USA
Specimens of Arcidens confragosus were collected monthly from the Tennessee River, Pickwick Reservoir, Alabama, USA, between 21 March 2000 and 26 February 2001 to determine temporal patterns of gamete production, spawning, brooding, and glochidia discharge.
Seasonal timing of gametogenesis, spawning, brooding and glochidia discharge in Potamilus alatus (Bivalvia: Unionidae) in the Wheeler Reservoir, Tennessee River, Alabama, USA
The temporal patterns of gamete production and spawning in P. alatus of the subfamily Lampsilinae are in sharp contrast to members of thesubfamily Ambleminae that have been similarly studied, which suggests that detailed studies of gamet production andSpawning may be helpful in understanding unionid phylogeny and character evolution.
Reproductive Cycle of Quadrula metanevra (Bivalvia: Unionidae) in the Pickwick Dam Tailwater of the Tennessee River
Oogenesis followed a pattern similar to that of typical spermatogenesis, with smallest average oocyte size observed in August, andGamete release occurred between late winter-early spring (March) and midsummer (July).
A quantitative assessment of the reproductive biology of Cyclonaias tuberculata (Bivalvia: Unionidae)
Investigation of purple wartyback unionids collected from Kentucky Reservoir showed that spermatogenesis and oogenesis occurred throughout the year except during late summer and early fall, possibly indicating that the study took place during years of poor reproductive performance.