Northern Prairie Wildlife Research Center
 |
 |
|
| Fig. 1. Changes in carcass fat of (a) adult male and adult female and (b) immature male and immature female white-fronted geese by date in sough-central Nebraska, using pooled data from spring 1979-80. | Fig. 2. Area of corn harvested (ha), corn yield (metric tons/ha), and corn production (metric tons) in Nebraska during 1900-93. The proportion of area harvested, yield, and production from irrigated and dryland farming are compared from 1948 to 1993. |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/birds/wfgeese/figures.htm
Page Contact Information: Webmaster
Page Last Modified: Friday, 01-Feb-2013 20:06:03 EST
Menlo Park, CA [caww54]
