Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16783
Evaluating causes of population change in North American insectivorous songbirds
Although the North American Breeding Bird Survey (BBS) is a principal source of information regarding populations of most North American bird species, many features of the survey complicate analysis of population change. Correlation studies based on BBS data cannot be used to unambiguously define cause and effect relationships. Recently, B?hning-Gaese et al. (1993) presented an analysis of popul
Authors
C.S. Robbins
Indian backgrounds of the Patuxent Wildlife Research Center
Popular account of archaeological history of the area.
Authors
Effects on wildlife
No abstract available.
Authors
J.B. DeWitt, D.G. Crabtree, R.B. Finley, J.L. George
Freshwater fish diseases caused by bacteria belonging to the genera Aeromonas and Pseudomonas: Revised
No abstract available.
Authors
S. F. Snieszko
Relation between ground water and surface water in Brandywine Creek basin, Pennsylvania
The relation between ground water and surface water was studied in Brandywine Creek basin, an area of 287 square miles in the Piedmont physiographic province in southeastern Pennsylvania. Most of the basin is underlain by crystalline rocks that yield only small to moderate supplies of water to wells, but the creek has an unusually well-sustained base flow. Streamflow records for the Chadds Ford, P
Authors
F. H. Olmsted, A. G. Hely