Badesi Dune, Italy. Water- and nutrient-limited sand dunes are ideal systems for the study of positive species interactions.

A heavily developed salt marsh on Cape Cod with large scale herbivore- driven die-off.

Calving of vital creek bank habitat in a New England salt marsh as a result of crab burrowing and the loss of low marsh cordgrass.

Expansive salt pans on Sapelo Island, Georgia, where harsh environmental conditions limit marsh plant growth.

Physical stress controls community structure on Patagonian rocky intertidal habitats.