C
Charles J. Keppler
Researcher at South Carolina Department of Natural Resources
Publications - 20
Citations - 836
Charles J. Keppler is an academic researcher from South Carolina Department of Natural Resources. The author has contributed to research in topics: Crassostrea & Algal bloom. The author has an hindex of 15, co-authored 20 publications receiving 767 citations. Previous affiliations of Charles J. Keppler include Marine Biological Laboratory.
Papers
More filters
Journal ArticleDOI
Water Quality Variation and Clam Growth: Is pH Really a Non-issue in Estuaries?
TL;DR: The results suggest that pH levels can decline in estuarine systems to levels that can adversely affect biological responses, and the potential impacts on biological resources of even moderate decreases in pH may be more important than previously realized.
Journal ArticleDOI
Harmful algal blooms in South Carolina residential and golf course ponds
Alan J. Lewitus,Laura B. Schmidt,Larissa J. Mason,Jason W. Kempton,Susan B. Wilde,Jennifer L. Wolny,B. Jamie Williams,Kenneth C. Hayes,Sabrina N. Hymel,Charles J. Keppler,Amy H. Ringwood +10 more
TL;DR: The South Carolina coastal zone is among the fastest growing areas in the U.S., and population epicenters are marked by dense brackish water pond (lagoon) coverage associated with housing complexes and golf courses as discussed by the authors.
Journal ArticleDOI
Linkages between cellular biomarker responses and reproductive success in oysters – Crassostrea virginica
TL;DR: These studies support the hypotheses that there are linkages between embryo development success and susceptibility to pollutant stress and cellular biomarker responses, which could lead to subtle but significant long-term effects on recruitment and viability of oyster populations.
Journal ArticleDOI
Biomarker studies with juvenile oysters (Crassostrea virginica) deployed in-situ
TL;DR: The studies suggest that lysosomal destabilization and glutathione depletion are sensitive, robust indicators of contaminant stress and lipid peroxidation and heat shock protein responses were not correlated with contaminants, they are still regarded as valuable indicators of stress.
Journal ArticleDOI
Sublethal effects of the toxic alga Heterosigma akashiwo on the southeastern oyster (Crassostrea virginica)
Charles J. Keppler,Jennifer Hoguet,Kristin Smith,Amy H. Ringwood,Alan J. Lewitus,Alan J. Lewitus +5 more
TL;DR: Exposure to laboratory cultures or blooms of H. akashiwo significantly increased oyster hepatopancreas lysosomal destabilization rates, but had little effect on gill p-glycoprotein (p-gp) expression, suggesting that oyster health may be compromised in areas where repetitive H.Akashiwo blooms occur.