Email rmann@vims.edu Office Brooke 107 Phone (804) 684-7108

Roger L. Mann Professor of Marine Science B.S., University of East Anglia Ph.D., University of Wales

Research Interests Current Projects Selected Publications Current Students Past Students Courses Taught / Teaching Faculty/Student Awards Professional Memberships Collaborative / Interdisciplinary Efforts

Physiological ecology of marine molluscs. Larval dispersal and settlement processes in estuarine and shallow water systems. Fisheries and aquaculture of marine molluscs. Invasion biology and ballast water technologies.

• Population models of the Chesapeake oyster resources.
• Physiological and ecological studies of bivalve mollusc larvae in the field and laboratory.
• Dispersal processes in estuarine systems.
• Resource stock assessment by fishery dependent and fishery independent methods.
• Population assessment, life history and fishery management of offshore clam resources.
• Ecological restoration of oyster reef communities.
• Biology and ecology of veined rapa whelks in the Chesapeake Bay.
• Population demographics, growth rates, and age structure for Chesapeake hard clam resources.

Mann, R., M. Southworth, J.M. Harding, and J. Wesson. 2004. A comparison of dredge and patent tongs for estimation of oyster populations. Journal of Shellfish Research. 23(2): 387-390.

Southworth, M. and R. Mann. 2004. Decadal scale changes in seasonal patterns of oyster recruitment in the Virginia sub estuaries of the Chesapeake Bay. Journal of Shellfish Research. 23(2): 391-402.

Mann, R. and D. Evans. 2004. Site selection for oyster habitat rehabilitation in the Virginia portion of the Chesapeake Bay: A commentary. Journal of Shellfish Research. 23(1): 41-49.

Harding, J. M. and R. Mann. 2003. Influence of habitat on diet and distribution of striped bass (Morone saxatilis) in a temperate estuary. Bulletin of Marine Science. 72(3): 841-851.

Mann, R. and J. M. Harding. 2003. Salinity tolerance of larval Rapana venosa: Implications for dispersal and establishment of an invading predatory gastropod on the North American Atlantic coast. Biological Bulletin. 204: 96-103.

Baker, P.K. and R. Mann. 2003. Late stage bivalve larvae in a well-mixed estuary are not inert particles. Estuaries. 26(4A): 837-845.

Bartol, I.K., R. Mann, and M. Vecchione. 2001. Distribution of the euryhaline squid Lolliguncula brevis in the Chesapeake Bay: Effects of selected abiotic factors. Marine Ecology Progress Series. In press.

Harding, J.M. and R. Mann. 2001. Oyster reefs as fish habitat: Opportunistic use of restored reefs by transient fishes. Journal of Shellfish Research. 20(3): 951-959.

Bartol, I.K, R. Mann, and M.R. Patterson. 2001. Aerobic respiratory costs of swimming in the negatively buoyant brief squid Lolliguncula brevis. Journal of Experimental Biology. 204:3639-3653.

Mann, R. 2000. Restoring the oyster reef communities in Chesapeake Bay: a commentary. Journal of Shellfish Res. 19(1): 335-339.

Mann, R. and J. M. Harding. 2000. Invasion of the North American Atlantic coast by a large predatory Asian mollusc. Biological Invasions. 2:7-22.

Harding, J.M. and R. Mann. 1999. Observations on the biology of the veined rapa whelk, Rapana venosa (Valenciennes, 1846) in the Chesapeake Bay. Journal of Shellfish Research. 18(1): 9-17.

Adrianna Picariello, M.S. - Physiological ecology of surf clams, Spissula solidissima

Patrick Baker, Ph.D. - Quantification of settlement and recruitment processes in bivalve mollusks.

Shirley Baker, Ph.D. - Oyster (Crassostrea virginica) metamorphosis - Effects of low oxygen

Ian Bartol, Ph.D. - Biomechanics of swimming in squid.

Robert Blaylock, Ph.D. - Distribution, abundance and behavior of the Cownose Ray, Rhinoptera bonasus, in Lower Chesapeake Bay.

Sandra Brooke, M.A. - A comparison of natural and laboratory diets for the culture of marine invertebrate larvae: American Oyster, Queen Conch, and Milk Conch

Bernadita Campos, M.A. - Swimming response of larvae of three mactrid bivalves to different salinity gradients.

Carolyn Cox, M.A. - Seasonal changes in the fecundity of oysters Crassostrea virginica (Gmelin)

Rebecca Green, M.S. - Morphological variation of three populations of the veined rapa whelk.

Arminda Gensler, M.S. (with John Graves) - Genetic investigations of interspecific and intraspecific relationships within the genus Rapana.

Juliana Harding, Ph.D. - Ecological interactions between benthic oyster reef fishes and oysters.

Kevin McCarthy, M.A. - The influence of swimming behavior of larval Crassostrea virginica (Gmelin).

Curtis Roegner, M.A. - Recruitment and growth of juvenile Crassostrea virginica (Gmelin) in relation to tidal zonation

Melissa Southworth, M.S. - Restoration of oyster populations and oyster reef ecology.

Catherine Ware, M.S. - Spatial and temporal limits on breeding and reproductive biology of Chesapeake rapa whelks

Erica Westcott, M.S. - Reproductive biology of the rapa whelk.

Malacology, Larval Ecology, Biological Invasions