Antzeko izenburuak: The Ocean and Costal Conservation Guide :
- The future of U.S. ocean policy : choices for the new century /
- Terrestrial ecoregions of Africa and Madagascar : a conservation assessment /
- Experiments in consilience : integrating social and scientific responses to save endangered species /
- Nature-friendly communities : habitat protection and land use /
- Water resources projects and their environmental impacts /
- Water resources projects and their environmental impacts /