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January 1, 1992

Comparison of algorithms for replacing missing data in discriminant analysis

We examined the impact of different methods for replacing missing data in discriminant analyses conducted on randomly generated samples from multivariate normal and non-normal distributions. The probabilities of correct classification were obtained for these discriminant analyses before and after randomly deleting data as well as after deleted data were replaced using: (1) variable means, (2) prin

Authors

Daniel J. Twedt, D.S. Gill

By

Ecosystems Mission Area, Wetland and Aquatic Research Center

January 1, 1992

Interim report of the technical workshop on manatee population biology. Manatee Population Research Report No. 10

Abstract not supplied at this time

Authors

T. J. O'Shea, B.B. Ackerman

By

Ecosystems Mission Area, Wetland and Aquatic Research Center

January 1, 1992

Food preferences of spring-migrating blue-winged teal in southwestern Louisiana

We studied effects of pair status, molt intensity, and year on food selection by migrating male blue-winged teal (Anas discors) in southwestern Louisiana during springs 1990 and 1991. Diets consisted primarily of animal foods; but plant material, consisting mostly of seeds, comprised as much as 44%. There was no difference in animal food consumption by paired and unpaired males; however, the propo

Authors

Scott W. Manley, W.L. Hohman, J.L. Moore, David Richard

By

Ecosystems Mission Area, Wetland and Aquatic Research Center

January 1, 1992

American swallow-tail kite

No abstract available

Authors

J. Allen, Wayne Norling

By

Ecosystems Mission Area, Wetland and Aquatic Research Center

January 1, 1992

Knowledge-based GIS: An expert system approach for managing wetlands

No abstract available

Authors

Wei Ji, James B. Johnston, Marcia McNiff, Loyd C. Mitchell

By

Ecosystems Mission Area, Wetland and Aquatic Research Center

January 1, 1992

Baseline levels of certain trace metals in sediment and biota

No abstract available.

Authors

A. J. Krynitsky, C.P. Rice, P.F. Roscigno

By

Ecosystems Mission Area, Eastern Ecological Science Center, Wetland and Aquatic Research Center

January 1, 1992

Organochlorine contamination of sediments, fish, and invertebrates

No abstract available.

Authors

C.P. Rice, A. J. Krynitsky, P.F. Roscigno

By

Ecosystems Mission Area, Eastern Ecological Science Center, Wetland and Aquatic Research Center

January 1, 1992

An indexed bibliography of the herpetofauna of Florida

No abstract available.

Authors

Kevin M. Enge, C. Kenneth Dodd

By

Ecosystems Mission Area, Wetland and Aquatic Research Center

January 1, 1992

[Book review] Life History and Ecology of the Slider Turtle, by J. W. Gibbons

Review of: Life History and Ecology of the Slider Turtle. J. W. Gibbons. Smithsonian, 2000. ISBN: 1560982136.

Authors

C. K. Dodd

By

Ecosystems Mission Area, Wetland and Aquatic Research Center

January 1, 1992

Effects of impoundments on freshwater mussels (Mollusca: Bivalvia: Unionidae) in the main channel of the Black Warrior and Tombigbee rivers in western Alabama

Abstract not supplied at this time

Authors

J.D. Williams, S.L.H. Fuller, R. Grace

By

Ecosystems Mission Area, Wetland and Aquatic Research Center

January 1, 1992

Rivulus tecminae, a new killifish from Amazonas Territory, Venezuela (Rivulidae, Cyprinodontiformes)

Abstract not supplied at this time

Authors

J.E. Thomerson, L.G. Nico, D.C. Taphorn

By

Ecosystems Mission Area, Wetland and Aquatic Research Center

January 1, 1992

Study links Big Cypress fox squirrel to golf courses

Abstract not supplied at this time

Authors

P.G.R. Jodice, J.R. Snyder

By

Ecosystems Mission Area, Wetland and Aquatic Research Center