Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16783
Removal and repopulation of breeding birds in a spruce-fir forest community
IN 1949, while engaged in population studies of birds in northern Maine, the authors accumulated considerable information concerning population dynamics of birds inhabiting the Spruce-Fir forest community. This information was obtained in connection with investigations of the effective control by breeding birds of an infestation of the spruce budworm, Choristoneura fumiferana Clem.
Authors
R. E. Stewart, J.W. Aldrich
Fifteenth breeding-bird census. 27. Lightly grazed pasture
No abstract available.
Authors
R. E. Stewart, C.S. Robbins
Fifteenth breeding-bird census. 7. Virgin spruce-hemlock bog forest
No abstract available.
Authors
R. E. Stewart, C.S. Robbins
Fifty-first Christmas bird count. Summary of highest counts of individuals
No abstract available.
Authors
C.S. Robbins
Effects on wildlife of DDT used for control of Dutch elm disease
During the summer of 1949 studies were conducted at Princeton, New Jersey, to determine the effects on wildlife of DDT used in the control of Dutch elm disease. Direct mortality was determined by intensive search for dead birds after spraying. Twenty-six songbirds, one bat, and one gray squirrel were found. Of 11 dead birds from a study area of approximately 20 acres only one was an adult. S
Authors
A.H. Benton
Occurrence and identification of the prairie deer-mouse in central Maryland
No abstract available.
Authors
W. H. Stickel
A new swamp sparrow from the Maryland coastal plain
No abstract available.
Authors
G.M. Bond, R. E. Stewart
A study of absorption and retention of lead in wild waterfowl in relation to clinical evidence of lead poisoning
No abstract available.
Authors
D.R. Coburn, D.W. Metzler, R. Treichler