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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: 3743

Rhynchocyon chrysopygus Rhynchocyon chrysopygus

No abstract available at this time
Authors
G. B. Rathbun

Endocrine function and reproductive impairment in an irradiated population of the lizard Uta stansburiana Endocrine function and reproductive impairment in an irradiated population of the lizard Uta stansburiana

This study describes gonadal changes in lizards (Uta stansburiana) exposed to chronic low levels of γ radiation (1.5-10 R/day) under field conditions and attempts to evaluate endocrine involvement in these changes. Reproductive impairment in irradiated males is demonstrated during the breeding season by reduced testes weights and by seminiferous tubules devoid of germ cells...
Authors
A.K. Pearson, P. Licht, K.A. Nagy, P.A. Medica

Aleuts, sea otters, and alternate stable state communities Aleuts, sea otters, and alternate stable state communities

Reexamination of stratified faunal components of a prehistoric Aleut midden excavated on Amchitka Island, Alaska, indicates that Aleut prey items changed dramatically during 2500 years of aboriginal occupation. Recent ecological studies in the Aleutian Islands have shown the concurrent existence of two alternate stable nearshore communities, one dominated by macroalgae, the other by...
Authors
C.A. Simenstad, J. A. Estes, K.W. Kenyon

Malic acid accumulation in roots in response to flooding: Evidence contrary to its role as an alternative to ethanol Malic acid accumulation in roots in response to flooding: Evidence contrary to its role as an alternative to ethanol

Across a time course of flooding the malic acid content in roots of the swamp tree Nyssa sylvatica var. biflora increased 5-fold from 1 week to 1 month of flooding and remained at that level through a full year of flooding. Alcoholic fermentation rates accelerated within the first month of flooding but dropped to very low levels under long-term flooding. The theory that, under flooding...
Authors
Jon E. Keeley
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