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: 41771
Ecological notes on mixed populations of king rails and clapper rails in Delaware Bay marshes
The closely related King Rail (Rallus elegans) and Clapper Rail (Rallus longirostris) are characteristic of distinct types of habitat in the coastal plain along the Atlantic and Gulf coasts. Ordinarily, King Rails are found in both fresh and brackish tidal marshes, and Clapper Rails in tidal salt marshes. In a few areas, however, intermediate brackish-salt marshes occur where King and Clapper rail
Authors
Brooke Meanley, D.K. Wetherbee
Yellow-billed cuckoo in stomach of tiger shark
On 20 May 1961 an immature female tiger shark (Galeocerdo cuvier), 2.3 meters in length and weighing 52 kg, was caught in the Gulf of Mexico several miles offshore from Sarasota, Florida, by personnel of the Cape Haze Marine Laboratory. The contents of its stomach included a leg and some feathers of a land bird. The leg was sent to the Bird and Mammal Laboratories, Bureau of Sport Fisheries and Wi
Authors
G.B. Saunders, E. Clark
Observations on distribution and control of Eurasian watermilfoil in Chesapeake Bay, 1961
No abstract available.
Authors
J.H. Steenis, Vernon D. Stotts, C. Gillette
Nesting attentiveness and incubation period of a wood duck
No abstract available.
Authors
P.A. Stewart
Evaluating causes of population change in North American insectivorous songbirds
Although the North American Breeding Bird Survey (BBS) is a principal source of information regarding populations of most North American bird species, many features of the survey complicate analysis of population change. Correlation studies based on BBS data cannot be used to unambiguously define cause and effect relationships. Recently, B?hning-Gaese et al. (1993) presented an analysis of popul
Authors
C.S. Robbins