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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: 3776

Report of diurnal acid metabolism in two aquatic Australian species of Isoetes Report of diurnal acid metabolism in two aquatic Australian species of Isoetes

Previous studies have demonstrated the presence of crassulacean acid metabolism in the North American submerged aquatic Isoetes howellii (Isoetaceae). Diurnal changes in titratable acidity and malic acid levels indicate the presence of this pathway in two Australian species of Isoetes.
Authors
Jon E. Keeley

Status of the West Indian manatee in Honduras Status of the West Indian manatee in Honduras

Aerial surveys and interviews with fisherman in Honduras indicate that manatee numbers are low. There is an abundance of suitable habitat, and evidence on the proportion of calves indicates that manatees are reproducing. Although natural mortality occurs when the animals are trapped in small landlocked coastal lagoons, the greatest threat to manatees is from subsistence hunting for their...
Authors
G. B. Rathbun, J. A. Powell, G. Cruz
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