Providing the scientific basis for effective conservation, NatureServe and its network of natural heritage programs are the trusted source for information about rare and endangered species and threatened ecosystems.

Home of the international Journal Biodiversity and of biodiversity research, conservation and educational programs. For all living things and for the Earth, Tropical Conservancy works to conserve and protect species, habitats, and the environment. Pour tout ce qui vit et pour la terre, Tropical Conservancy veut preserver et proteger les especes, les habitats et l'environnement.

Home Page of Dan Simberloff's Institute for Biological Invasions, Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville

The mission of the Connecticut Invasive Plant Working Group is to gather and convey information on the presence, distribution, ecological impacts, and management of invasive species; to promote uses of native or non-invasive ornamental alternatives throughout Connecticut; and to work cooperatively with researchers, conservation organizations, government agencies, green industries, and the general public to identify and manage invasive species pro-actively and effectively.

Forestry Images: Forest Health, Natural Resources and Silviculture Photos with pictures of insects, diseases, trees, plants, weeds, ecosystems, fire, ecology, other pests and wildlife.

Invasive Weeds of North Dakota and Weeds of Concern as well as Thistles of North Dakota. This is an Educational Site for all ages.

Nuestros resultados mostrados en las publicaciones, cursos y eventos cientificos sobre biodiversidad marina, ecologia marina, pesquerias y educacion ambiental.

The trust is concerned with the ecology, conversation and biodiversity of the earth. We offer and seek donations of any size to fund important projects struggling for finance.

The Invasive Plants website contains information on invasive plants, their impact on native species, and their control (particularly biological control). The web pages focus on work conducted by students and staff of the Ecology and Management of Invasive Plants Program, directed by Bernd Blossey, at Cornell University. The majority of our work concerns species and ecosystems in northeastern North America, but most species we work with are distributed widely through North America.

The low grade wood and wood products used to support, brace or package commodities during shipment provide a pathway for the global movement of bark and wood-boring beetles.