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: 41756
Spreading tendencies of multiflora rose in the Southeast
In 1948-49 studies were made on the spreading of multiflora rose at the sites of three old plantings in Alabama and Georgia. The age of these plantings varied from 14-40 years. Roses were invading surrounding land at each site. Observations indicated that seeds are carried by water and birds. Seedlings were numerous in drainageways leading from old shrubs. Birds had deposited seed under trees,
Authors
W. Rosene
The genus Acroricnums in America (Hymenoptera, Ichneumonidae)
This paper is a revision of the known species of A croricnus of America. Of the five previously described species assigned to this genus from this area, four are reduced to subspecific rank under the European genotype, A croricnus stylator (Thunberg). Three subspecies and one species are described as new, and typical stylator is recorded from America for the first time.
Authors
R.T. Mitchell
Rodent repellency
In the course of studies involving more than 2,500 chemical repellents, it has been found that certain groups of- compounds containing nitrogen or sulfur are repellent to rats under the , test conditions and it appears probable that some of these compounds might be used for the protection of packaged goods against rodent attacks. Additional tests to determine optimum methods of application will be
Authors
J.B. DeWitt, J.F. Welch, E. Bellack
Distribution of North American birds: Winter distribution of the sora
No abstract available.
Authors
C.S. Robbins