Filter the results Item type Select All/None Collection Page File Folder Image News Item New items since Yesterday Last week Last month Ever Search results 1 items matching your search terms. Sort by relevance date (newest first) alphabetically Has the value of global marine and coastal ecosystem services changed? In 1997, Robert Costanza and his colleagues published a groundbreaking study that estimated the monetary value of the contribution of the world's ecosystems to ... Located in Publications / Papers, Publications, Books and Book chapters