Represents professional ecologists working in local government in the UK.

Includes more than 200 field stations and professionals concerned with field facilities for biological research and education, primarily in North America and Central America. Provides information about the LTER network, links member stations

Information about activities, membership, ethics, certification.

Promotes the field study of plants and animals (living and fossil) in the southwestern United States, Mexico, and Central America and to aid in the scientific activities of its members.

Organization for Chinese ecologists based outside of China.

Purpose is to promote the interdisciplinary research and communication among scientists, planners, and other professionals concerned with landscape ecology.

Promotes ecological research and communication through publications and conferences. Contains links to ecological resources.

Promotes cooperation within the science of ecology in Europe.

Promotes the science of ecology through research, publications and conferences and uses the findings of research to educate the public and to influence policy decisions which involve ecological matters.

Section of the Ecological Society of America to promote research, teaching, and communication in physiological ecology of both animals and plants. Section news and events, positions available, and links to resources used by physiological ecologists.