The Asian shore crab Hemigrapsus sanguineus is currently becoming
established along the rocky intertidal coastline of New England. Crab
populations in several localities in Narragansett Bay, Vineyard ...
This data type contains data from field sampling of marine organisms
in intertidal or subtidal habitats. The data were collected to
provide information about species abundance and distribution.
Data ...
The data set on this CD-ROM shows changes in land cover for the
Chesapeake Bay region over the 5-year interval from 1984 to 1988-89. The
data set was produced through a multi-year effort that focused ...