Skip to main content
U.S. flag

An official website of the United States government

Publications

Below is a list of WERC's peer-reviewed publications. If you are searching for a specific publication and cannot find it in this list, please contact werc_web@usgs.gov

Filter Total Items: 3776

[Book review] The natural history of otters, by P. Chanin [Book review] The natural history of otters, by P. Chanin

Review of: The Natural History of Otters. Paul Chanin. Croom Helm (in association with the Mammal Society). 1985. 179 pp.
Authors
J. A. Estes

Influence of weather and density on lamb survival of desert mountain sheep Influence of weather and density on lamb survival of desert mountain sheep

This report concerns the effect of weather on lamb survival in desert mountain sheep (Ovis canadensis nelsoni) to 6-8 months of age in the River Mountains, Nevada, and how it integrates with density to limit the population. Regression analyses were used to examine relationships between lamb survival and weather variables from 1970 to 1982. Autumn precipitation (Sep-Dec) of the preceding...
Authors
Charles L. Douglas, David M. Leslie

Seed predation by yucca moths on semelparous, iteroparous and vegetatively reproducing subspecies of Yucca whipplei (Agavaceae) Seed predation by yucca moths on semelparous, iteroparous and vegetatively reproducing subspecies of Yucca whipplei (Agavaceae)

Yucca whipplei subspecies are distinguished by differences in reproduction: spp. whipplei and ssp. parishii are semelparous, flowering once and dying; ssp. caespitosa is iteroparous, producing multiple rosettes which may flower in different years; ssp. percursa has clonal reproduction from rhizomes, and ssp. intermedia is intermediate to the latter two. Seed loss due to the symbiotic...
Authors
Jon E. Keeley, Sterling C. Keeley, D. A. Ikeda

Chaparral and wildfires Chaparral and wildfires

No abstract available.
Authors
Jon E. Keeley, S.C. Keeley
Was this page helpful?