Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16779
Birds of Maryland and the District of Columbia
No abstract available.
Authors
R. E. Stewart, C.S. Robbins
In vitro and in vivo sensitivity testing of a fish-pathogenic Corynebacterium
No abstract available at this time
Authors
K. Wolf, C.E. Dunbar
'Operation recovery'--the Atlantic coastal netting project
No abstract available.
Authors
J. Baird, C.S. Robbins, A.M. Bagg, J.V. Dennis
One new and one previously unreported species of nasal mite (Acarina, Speleognathidae) from N.A. birds
No abstract available.
Authors
G. M. Clark
Bird populations in relation to changes in land use
Changes in breeding-bird populations on a 210-acre farm area were observed from 1947 to 1952. During this period, clearing, drainage, and planting changed the area from a partially abandoned farm with only 34 acres in cultivation to a modem conservation farm. Number of bird species nesting in the area was about 10 per cent lower in the last three years than in the first three years; number of nest
Authors
O. Warbach
The function of the Fish and Wildlife Service in insect control programs
No abstract available.
Authors
J.B. DeWitt
Birds and Dutch elm disease control
Brief, factual review of information on effect of DDT and other insecticides on birds. One program for control of elm disease caused 22% decrease in number of adult birds and 56% mortality of nestlings. Quail fed 3 oz. of DDT per ton of food had 16% reduction in young hatched and 500% increase in defective chicks. Quail fed same dosage during winter and breeding seasons had 30% decrease in fertil
Authors
J.B. DeWitt