Soniat TMKortright EVRay SM2010-02-152010-02-152000 200http://hdl.handle.net/1969.3/22965-A website called DermoWatch has been established (www.blueblee.com/dermo) to track the progression of Perkinsus marinus (= Dermocystidium marinum) in Galveston Bay and allow users from other locations to also calculate a time to a critical level of disease (t sub(Crit)). Data on water temperature (T) and salinity (S), initial level of disease and oyster length are entered. An embedded model converts measured weighted incidence (WI) values and the critical WI to parasite number (a WI of 1.5 is considered critical), calculates a rate of change (r) of the parasite population using measured values of T and S, and solves for t sub(Crit) by simulation. Estimates of t sub(Crit) from Galveston Bay and other areas should support decisions concerning transplanting infected oysters to lower salinity areas, harvesting heavily-infected populations early, and diverting freshwater into high-salinity estuariesASW,USA,Texas,Galveston BaybiologicalCrassostreaCrassostrea virginicaCritical level of diseaseDisease controlDisease transmissionEastern oysterestuariesFishery managementGalveston BayO 1070 Ecology/Community StudiesOyster cultureOystersParasitic diseasesPerkinsus marinusPopulationsQ1 01484 Species interactions: parasites and diseasesQ3 01587 Diseases of Cultured OrganismsSalinitySalinity effectsShellfishShellfish cultureShellfish fisheriessimulationTemperatureUSAwaterwater temperatureCONF