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For more than 45 years, Research Centers Directory has reported on the programs, facilities, publications, educational efforts and services of North America's leading university and nonprofit research institutes. The current edition of this indispensable reference describes centers and includes URLs and e-mail addresses for the majority of entries. This title is organized into 17 subject sections with the sections grouped into 5 broad categories. Includes thousands of websites and emails and has multiple access points through four indexes: subject, geographic, personal name and master.

Diseases are a major threat to both wild and farmed fish. Pathogen-induced alterations in viability and growth of wild fish stocks can have implications on diversity and ecological status of aquatic ecosystems, as fish are main components of aquatic communities, and they can directly affect the exploitation of wild and farmed fish as a protein sour