Wetland management may be improved by evaluating nonlinear relationships of economic value and ecological services.

Aerial extent and distribution pattern of seagrass meadows in the Mandapam group of islands viz. Pamban area of Rameshwaram, Krusadai, Pullivasal and Pumarichan Island of the Gulf of Mannar

Sea levels on the Indian sub-continent are increasing at the rate of about 2.5 mm every year; the increase is greater in the eastern coast, with an estimated sea level rise of about 3.14 mm/year. This suggests that mean annual sea levels in the Indian sub continent will be some 3 cm higher in 2012 and 15 cm higher in 2060 than what it was in 2000.

The coral reefs of the world, on which the news focus section of this issue of Science concentrates, are important for all sorts of reasons. For many, exploration by diving provides a unique connection with a fascinating natural ecosystem. For scientists, including climate scientists, the health of reefs provides insight into the physical and biological welfare of the oceans as a whole.

Atmospheric carbon dioxide concentration is expected to exceed 500 parts per million and global temperatures to rise by at least 2