Publications
This list of publications includes peer-review journal articles, official USGS publications series, reports and more authored by scientists in the Ecosystems Mission Area. A database of all USGS publications, with advanced search features, can be accessed at the USGS Publications Warehouse.
Filter Total Items: 41758
Investigations of methods of determining abundance of breeding mourning doves in certain eastern states
A call count over a 20 mile route (beginning 1/2 hour before local official sunrise and with 20 stops of 3 minutes duration 1 mile apart) gives a more practical index to the abundance of mourning doves in the breeding season than roadside counts and area population studies tried in 1950. Calling activities showed relatively high peaks and low depressions during April and May of 1951, with a plate
Authors
A.J. Duvall, C.S. Robbins
Census of woodcock breeding population in vicinity of Patuxent Refuge, Maryland in 1951
No abstract available.
Authors
R. E. Stewart
Wilson's snipe breeding ground studies in Minnesota, 1951
No abstract available.
Authors
C.S. Robbins
An interim report on gill disease
GILL DISEASE among fish, a disease which is characterized by a proliferation of the gill epithelium, has been attributed to a number of different causes. Generally, there are two recognized types: the eastern or bacterial type, in which long filamentous bacteria can always be demonstrated; and the western type, in which, by definition, bacteria cannot be demonstrated.
Authors
R.R. Rucker, H.E. Johnson, G.M. Kaydas
Some factors influencing pigment production to Bacterium salmonicida
No abstract available at this time
Authors
P.J. Griffin
Antibiotic treatment of ulcer disease and furunculosis in trout
No abstract available.
Authors
S. F. Snieszko, P.J. Griffin, S.B. Friddle
Further studies on factors determining tissue levels of sulfamerazine in trout
No abstract available.
Authors
S. F. Snieszko, S.B. Friddle
Ulcer disease in brook trout (Salvelinus fontinalis): Its economic importance, diagnosis, treatment, and prevention
No abstract available.
Authors
S. F. Snieszko