Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16779
Further data on removal and repopulation of the breeding birds in a spruce-fir forest community
During June and July of 1950 the writers were engaged in a study of bird populations in northern Maine in conjunction with investigations to determine the effectiveness of the breeding bird population as a controlling agent of the spruce budworm, Choristoneura fumiferana. The field work was started in 1949 and the current project was a continuation. The entomological phase of the study during both
Authors
M.M. Hensley, J.B. Cope
Blood parasites from California ducks and geese
Blood smears were procured from 1,011 geese and ducks of 19 species from various locations in California. Parasites were found in 28 individuals. The parasites observed included Haemoproteus hermani, Leucocytozoon simondi, microfilaria, Plasmodium relictum (=P. biziurae), and Plasmodium sp. with elongate gametocytes. This is the first report of a natural infection with a Plasmodium in North Ame
Authors
C. M. Herman
Winter bird-population study. 15. Lightly grazed brackish marsh
No abstract available.
Authors
C.S. Robbins
Fifteenth breeding-bird census. 13. Mature northern hardwood forest
No abstract available.
Authors
C.S. Robbins, R. E. Stewart
Fifteenth breeding-bird census. 23. Scrub spruce bog
No abstract available.
Authors
C.S. Robbins, R. E. Stewart
Chronic toxicity of some new insecticides to bobwhite quail
Presents and discusses results of toxicity studies on northern bobwhite (Colinus virginianus). Compounds tested were chlordane, toxaphene, DDT, benzene hexachioride, methoxychior, TDE (Rhothane}, and parathion.
Authors
J.P. Linduska, P. F. Springer
Effects of DDT on saltmarsh wildlife: 1949
Briefly describes DDT experimental spraying program, wildlife species studied, the marsh, and tidal movements. Discusses resulting effects of DDT on vertebrates and invertebrates.
Authors
P. F. Springer, J.R. Webster