Summary: 1
This is a preprint of an article published in Conservation Biology vol. 20, no. 5
(2006), pages 1499-1506. © 2006, the Society for Conservation Biology.
Using scalar models for precautionary assessments of
threatened species
Amy E. Dunham1,2
, H. Resit Akçakaya2
, Todd S. Bridges3
1
Department of Organismic and Evolutionary Biology, Harvard University, HUH, 22 Divinity Ave,
Cambridge, MA 02138, E-mail: adunham@oeb.harvard.edu
2
Applied Biomathematics, 100 North Country Road, Setauket, NY 11733
3
US Army Corps of Engineers, Engineer Research and Development Center, Waterways
Experiment Station, Vicksburg, MS 39180
Abstract
Scalar population models, commonly referred to as count-based models, are based on time-
series data of population sizes and may be useful for screening-level ecological risk
assessments when data for more complex models are not available. Appropriate use of such

Source: Akçakaya, H. Resit - Department of Ecology and Evolution, SUNY at Stony Brook

Collections: Biology and Medicine; Environmental Sciences and Ecology