The Institute for Bird Populations was created in 1989.
Apex-Increased insect populations
The largest effect of a reduction in bird populations is the increase in insect populations. Insect populations grow if there are fewer birds around to eat them.
The Institute was created in 1983.
Melanie F. Heath has written: 'European bird populations' -- subject(s): Bird populations
Guttmacher Institute was created in 1968.
The Rodale Institute was created in 1947.
Allensbach Institute was created in 1947.
The Prometheus Institute was created in 2003.
The Institute of Groundsmanship was created in 1934.
Forest Institute was created in 1979.
Transnational Institute was created in 1973.
Shingetsu Institute was created in 2004.