| perkinsus marinus in coastal georgia, usa, following a prolonged drought. | oysters crassostrea virginica are 'keystone' estuarine species in the southeastern usa, providing essential fish habitat, food for human consumption, filtration of water bodies, and protection against shoreline erosion. relatively few oyster pathology studies have been conducted in georgia. the parasitic protozoan perkinsus marinus was first observed here in the 1960s, but has not been investigated since the late 1990s, when increasing oyster infection levels were apparent. in the late 1990s and ... | 2006 | 17260834 |