Raymond P. Morgan

University of Maryland Center for Environmental Science — United States

Environmental Science · Physical Sciences

29h-index5.9kcitations104works0.02yr avg
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Research Topics

Fish Ecology and Management Studies(43), Genetic diversity and population structure(17), Fish Biology and Ecology Studies(14), Soil and Water Nutrient Dynamics(12), Freshwater macroinvertebrate diversity and ecology(11)

Publications104 total

Growth and Prey Selectivity in the Young-of-Year of Brook Trout (Salvelinus fontinalis)
Northeastern Naturalist·2025
Determination of Endangered Freshwater Fishes: Can Value Be Estimated?
Water·2022· 3 citedOpen Access
Population Genetics of Brook Trout in the Southern Appalachian Mountains
Transactions of the American Fisheries Society·2021· 29 citedOpen Access
Genetic Structure of Maryland Brook Trout Populations: Management Implications for a Threatened Species
North American Journal of Fisheries Management·2021· 7 citedOpen Access
Comparison of Surface- and Pore-Water Quality Between Two Maryland Streams with the Endangered Dwarf Wedgemussel (Alasmidonta heterodon)
Freshwater Mollusk Biology and Conservation·2020Open Access
ODOCOILEUS VIRGINIANUS) POPULATIONS
2016
Spatial Structure of Morphological and Neutral Genetic Variation in Brook Trout
Transactions of the American Fisheries Society·2015· 12 cited
Relations between macroinvertebrates, nutrients, and water quality criteria in wadeable streams of Maryland, USA
Environmental Monitoring and Assessment·2013· 24 cited
Stream Conductivity: Relationships to Land Use, Chloride, and Fishes in Maryland Streams
North American Journal of Fisheries Management·2012· 49 cited
Estimating reference nutrient criteria for Maryland ecoregions
Environmental Monitoring and Assessment·2012· 9 cited
Tools for the management and conservation of genetic diversity in brook trout (Salvelinus fontinalis): tri- and tetranucleotide microsatellite markers for the assessment of genetic diversity, phylogeography, and historical demographics
Conservation Genetics Resources·2012· 68 cited
Nutrient concentrations in Maryland non-tidal streams
Environmental Monitoring and Assessment·2010· 22 cited
Nitrogen uptake and denitrification in restored and unrestored streams in urban Maryland, USA
Aquatic Sciences·2009· 132 cited
Altered Ecological Flows Blur Boundaries in Urbanizing Watersheds
Ecology and Society·2009· 74 citedOpen Access
Brook Trout Declines with Land Cover and Temperature Changes in Maryland
North American Journal of Fisheries Management·2008· 91 cited
Interaction between Urbanization and Climate Variability Amplifies Watershed Nitrate Export in Maryland
Environmental Science & Technology·2008· 265 citedOpen Access
Erratum to “Improving biological indicators to better assess the condition of streams” [Ecol. Indicators 7 (2007) 751–767]
Ecological Indicators·2008
Contemporary Trends in the Acid–Base Status of Two Acid-Sensitive Streams in Western Maryland
Environmental Science & Technology·2007· 13 cited
Analysis of Trends in Episodic Acidification of Streams in Western Maryland
Environmental Science & Technology·2007· 11 cited
Relationships among nutrients, chloride and biological indices in urban Maryland streams
Urban Ecosystems·2006· 44 cited
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Frequent Co-authors

Scott A. Stranko(5), Peter M. Groffman(4), Kathleen M. Kline(4), Sujay S. Kaushal(3), Keith N. Eshleman(3), Susan F. Cushman(3), K. Jack Killgore(3), Robert H. Hilderbrand(3), Roy G. Danzmann(3), Mark T. Southerland(3), Paul F. Kazyak(3), Ronald J. Klauda(3), V. James Rasin(3), Stephen B. Weisberg(3), Christopher J. Walsh(2), Allison H. Roy(2), Jack W. Feminella(2), P Cottingham(2), Margaret A. Palmer(2), Elgin S. Perry(2)