Wetland and Aquatic Research Center

Publications

Explore WARC's science publications.

Filter Total Items: 2,558
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Year Published: 1990

Establishment of bottomland oak plantations on the Yazoo National Wildlife Refuge complex

Stocking, height, and diameter growth, and invasion of both herbaceous and woody plant species are reported for 5 direct seeded and 5 planted seedling stands of bottomland oaks, all of which were between 4 and 8 years old. Stocking was generally higher in the planted seedling stands. Both height and diameter growth were substantially higher in...

Allen, J.A.
Establishment of bottomland oak plantations on the Yazoo National Wildlife Refuge complex; 1990; Article; Journal; Southern Journal of Applied Forestry; Allen, J. A.

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Year Published: 1990

Homestead tree planting in two rural Swazi communities

Tree planting practices were investigated on a total of 95 homesteads in two communities in rural Swaziland. Information was also collected on socioeconomic characteristics of the homesteads. In both the study areas, Sigombeni and Bhekinkosi, there was considerable variation amongst individual homesteads in size, relative wealth (as indicated by...

Allen, James A.
Homestead tree planting in two rural Swazi communities; 1990; Article; Journal; Agroforestry Systems; Allen, James A.

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Year Published: 1990

Influence of ingested lead on body mass of wintering canvasbacks

We determined the prevalence of lead shotgun pellets in gizzards of canvasbacks (Aythya valisineria) collected at Catahoula Lake and the Mississippi River Delta, Louisiana, during winter 1987-88 to assess the influence of ingested lead shot on canvasback body mass. The prevalence of ingested lead shot was significantly higher at Catahoula Lake (27...

Hohman, William L.; Pritchert, Ronald D.; Pace, Richard M.; Woolington, Dennis W.; Helm, Robert

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Year Published: 1990

Carangidae

No abstract available.

Smith-Vaniz, W.F.; Quero, J.C.; Desoutter, M.
Carangidae; 1990; Book chapter; Book; Check-list of fishes of the eastern tropical Atlantic (CLOFETA); Smith-Vaniz, W. F.; Quero, J. C.; Desoutter, M.

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Year Published: 1990

Coastal mapping programs at the U.S. Fish and Wildlife Service's National Wetlands Research Center

Over the past 10 years, the U.S. Fish and Wildlife Service's (FWS) National Wetlands Research Center (center; formerly the National Coastal Ecosystems Team) has been continuously involved in the production of maps for use by coastal decision makers. The types of maps produced by the center have been national, regional, or local in scope depending...

Johnston, James B.; Handley, Lawrence R.

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Year Published: 1990

Food habits of wintering canvasbacks in Louisiana

We studied the food habits of canvasbacks (Aythya valisineria) at Catahoula Lake (inland) and the Mississippi River Delta (coastal), Louisiana, from November 1987 to February 1988. Plant foods comprised >97 aggregate percent dry mass of the canvasback diet. The proportion of plant material eaten did not vary with sex, age, or month, or differ...

Hohman, William L.; Woolington, Dennis W.; Devries, J.H.

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Year Published: 1990

Diurnal time-activity budgets of wintering canvasbacks in Louisiana

We determined diurnal time-activity budgets of Canvasbacks (Aythya valisineria) at Catahoula Lake and at the Mississippi River Delta, Louisiana, from December 1987 to March 1988. Canvasback feeding, resting, locomotory, and comfort activities varied by month and location with a month-location interaction. Moreover, the percentage of time spent...

Hohman, William L.; Rave, D.P.

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Year Published: 1990

Caretta rafinesque, loggerhead sea turtles

No abstract available.

Dodd, C.K.
Caretta rafinesque, loggerhead sea turtles; 1990; Book chapter; Report; Catalogue of American Amphibians and Reptiles; Dodd, C.K., Jr.

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Year Published: 1990

Current tank useful for observing small stream fishes

Abstract not supplied at this time

Burkhead, N.M.; Williams, J.D.
Current tank useful for observing small stream fishes; 1990; Federal Government Series; Research Information; 90-68; Burkhead, N. M.; Williams., J. D.