References to All Units


Culotta, Elizabeth. 1991. Biological immigrants under fire. Science 254,
December 6: 1444-47.

Cunningham, W.P. 1994. Understanding our environment, 30-31. Dubuque, IO: Wm. C. Brown.

Gersmehl, P.J. 1976. An alternative biogeography. Annals, Assoc. Am. Geog. 66, 2: 223-241.

Gersmehl, P.J. and D.A. Brown. 1992. Observation. In Geography's inner worlds: Pervasive
themes in contemporary American geography, Abler, R.F., M.G. Marcus, J.M. Olson, eds.,
77-98. New Brunswick, NJ: Rutgers University Press.

Lodge, David M. 1993. Species invasions and deletions: Community effects and responses to
climate and habitat change. In Biotic interactions and global change. Kareiva, Peter M., Joel G. Kingsolver,
and Raymond B. Huey, eds., 367-387. Sunderland, MA: Sinauer Associates Inc.

Makela, Merry. 1994. Personal communication. March 23, 1994.

Morse, Larry E., Lynn S. Kutner, and John T. Kartesz. 1995. Potential impacts of climate change
on North American flora. In: Our living resources: A report to the nation on the
distribution, abundance and health of U.S. plants, animals, and ecosystems. LaRoe, E.T.
et al., eds., 392-395. Washington, DC: U.S. Department of the Interior, National Biological
Service.

Oglesby, Ray T. and Charles R. Smith. 1995. Climate change in the Northeast. In: Our living
resources: A report to the nation on the distribution, abundance and health of U.S. plants,
animals, and ecosystems. LaRoe, E.T. et al., eds., 390-391. Washington, DC: U.S.
Department of the Interior, National Biological Service.

Ricklefs, Robert, 1987. Community diversity: Relative roles of local and regional processes. Science 235,
January 9:167-171.

Root, Terry L. and Jason D. Weckstein. 1995. Changes in winter ranges of selected birds, 1901-
1989. In: Our living resources: A report to the nation on the distribution, abundance and
health of U.S. plants, animals, and ecosystems. LaRoe, E.T. et al., eds., 386-389.
Washington, DC: U.S. Department of the Interior, National Biological Service.

Rosenzweig, Cynthia and Daniel Hillel. 1993. Agriculture in a greenhouse world. National
Geographic Research & Exploration 9, 2: 208-221.

Rowell, G.A., M.E. Makela, J.D. Villa, J.H. Matis, J.M. Labougle, and O.R. Taylor, Jr. 1992.
Invasive dynamics of Africanized honeybees in North America. Naturwissenschaften 79:
281-283.

Saxe, J. G. 1882. The blind men and the elephant. In The poetical works of John Godfrey Sax,
111-112. Boston, MA: Houghton Mifflin.

Southwick, E.E., D.W. Roubik, and J.M. Williams. 1990. Comparative energy balance in groups
of Africanized and European honeybees: Ecological implications. Comparative.
Biochemical Physiology 97A: 1-7.

Taylor, O.R., Jr. and M. Spivak. 1984 Climatic limits of tropical African honeybees in the
Americas, Bee World 65:28-47.