IUCN

This manual is the product of countries’ requests for assistance in strengthening and developing national regulatory frameworks related to marine Invasive Alien Species (IAS) in particular with respect to the transfer of potentially harmful aquatic organisms and pathogens in ships’ ballast water and sediments. It is directed at national level practitioners as a hands-on guide to the development of national ballast water management strategies.

World Heritage properties are some of the most unique places on our planet because of the range of outstanding and unique natural or cultural features and values that they contain. Like anything precious these places need to be protected and cared for responsibly. The purpose of this manual is to help those responsible for managing World Heritage properties with natural values by suggesting what they need to think about when producing a management plan for their property.

Wetland ecosystems and the amazing diversity of plants and animals that inhabit them are thought to be more threatened than any other ecosystem. The Okavango Delta, as the world's largest inland delta, is no exception. This book is both a celebration of the diversity of aquatic life in the Okavango Delta, and is an inspiration to decision makers throughout the region to work together to ensure the survival of one of the world's most beautiful and valuable wetlands.