_
.

monarch decline
Isotopes to the rescue
anthropology
conservation
glider theory

.

Print

Natal Origins of Migratory Monarch Butterflies at Wintering Colonies in Mexico: New Isotopic Evidence, Leonard Wassenaar and Keith Hobson, Proceedings of the National Academy of Sciences, Dec. 22, 1998, pp. 15436-9.

Pest Risk Assessment of the Importation into the United States of Unprocessed Pinus and Abies Logs from Mexico, Forest Products Laboratory, U.S. Forest Service, general technical report FPL-GTR-106.

Isotopic Evidence for the Diet of an Early Hominid, Australopithecus africanus, Matt Sponheimer and Julia Lee-Thorp, Science, Jan. 15, 1999, pp. 368-9, see also p. 303, 335-6.

R E L A T E D
W H Yf i l e s

Wildfires and ecology

Analyzing art

High-tech surveillance

Ant farmers

Forensic science

Nature's price

Future shortages.

.
Web

Journey North tracks butterflies through the seasons.

Monach Watch has info on monarch biology and migration.

Counting "a phenomenal monarch migration" at Cape May, N.J.

The Why Files covers the battle between evolution and creationism.

Tracking down the sources of this Why File.

.

back more
The Why Files
.
There are 1 2 3 4 5 pages in this feature.
Bibliography | Credits | Feedback | Search

©1999, University of Wisconsin, Board of Regents.