Wetland and Aquatic Research Center

Publications

Explore WARC's science publications.

Filter Total Items: 2,400
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Year Published: 1998

Coastal Louisiana

No abstract available

Gosselink, James G.; Coleman, J.; Stewart, Robert E.

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Year Published: 1998

Natural establishment of woody species on abandoned agricultural fields in the lower Mississippi Valley: first- and second-year results

The natural establishment of woody seedlings on abandoned agricultural fields was investigated at sites in Louisiana and Mississippi. Series of disked and undisked plots originating at forest edges and oriented in cardinal directions were established on fields at each site. During the firest 2 years, seedling recruitment was dominated by sweetgum...

Allen, J.A.; McCoy, J.W.; Keeland, B.D.
Natural establishment of woody species on abandoned agricultural fields in the lower Mississippi Valley: first- and second-year results; 1998; Federal Government Series; 20; Federal Government Series; Proceedings of the Ninth Biennial Southern Silvicultural Research Conference; Allen, J. A.; McCoy, J. W.; Keeland, B. D.

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Year Published: 1998

Classifying coastal resources by integrating optical and radar imagery and color infrared photography

A progressive classification of a marsh and forest system using Landsat Thematic Mapper (TM), color infrared (CIR) photograph, and ERS-1 synthetic aperture radar (SAR) data improved classification accuracy when compared to classification using solely TM reflective band data. The classification resulted in a detailed identification of differences...

Ramsey, Elijah W.; Nelson, Gene A.; Sapkota, Sijan

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Year Published: 1998

Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks

This edition of Common and Scientific Names of Invertebrates from the United States and Canada: Mollusks represents the efforts of 15 molluscan taxonomic specialists in compiling a comprehensive checklist of the mollusks found in North America and Canada and their vernacular names. Built upon the success of the first edition, the authors have...

Turgeon, D. D.; Quinn, J.F.; Bogan, A.E.; Coan, E. V.; Hochberg, F.G.; Lyons, W.G.; Mikkelsen, P. M.; Neves, R.J.; Roper, C. F. E.; Rosenberg, G.; Roth, B.; Scheltema, A.; Thompson, F.G.; Vecchione, M.; Williams, J.D.

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Year Published: 1998

Elicitation of macrophages from the peritoneal cavity of channel catfish

Four chemicals were evaluated for elicitation of macrophages in peritoneal cavities of 250–300‐g healthy channel catfish Ictalurus punctatus. Cellular exudates were collected at 3, 5, 7, 10, 14, and 20 d following intraperitoneal injections with squalene, Freund's incomplete adjuvant (FIA), goat serum, thioglycollate, or as a control,...

Jenkins, J.A.; Klesius, P.H.

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Year Published: 1998

Estimates of annual survival probabilities for adult Florida manatees (Trichechus manatus latirostris)

The population dynamics of large, long-lived mammals are particularly sensitive to changes in adult survival. Understanding factors affecting survival patterns is therefore critical for developing and testing theories of population dynamics and for developing management strategies aimed at preventing declines or extinction in such taxa. Few...

Langtimm, C.A.; O'Shea, T.J.; Pradel, R.; Beck, C.A.
Estimates of annual survival probabilities for adult Florida manatees (Trichechus manatus latirostris); 1998; Article; Journal; Ecology; Langtimm, C. A.; O'Shea, T. J.; Pradel, R.; Beck, C. A.

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Year Published: 1998

Generation of coastal marsh topography with radar and ground-based measurements

A topographic surface of a low lying coastal marsh was created by using three flood extent vectors digitized from ERS-1 SAR images and two elevation contours from U.S. Geological Survey topographic quadrangles. Point measurement of water depth at the times of the SAR collections allowed conversion of the radar measured flood extent vectors to...

Ramsey, Elijah W.; Nelson, G.A.; Laine, S.C.; Kirkman, R.G.; Topham, W.

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Year Published: 1998

Herbivore effects on plant species density at varying productivity levels

Artificially increasing primary productivity decreases plant species richness in many habitats; herbivory may affect this outcome, but it has rarely been directly addressed in fertilization studies. This experiment was conducted in two Louisiana coastal marshes to examine the effects of nutrient enrichment and sediment addition on herbaceous plant...

Gough, L.; Grace, J.B.

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Year Published: 1998

Imperilled wetlands - Book review: Mangroves and saltmarshes

Review info: Mangroves and saltmarshes. Edited by Eric Wolanski and Charles S. Hopkinson Jr., 1996.

Smith, Thomas J.

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Year Published: 1998

Long-term growth enhancement of baldcypress (Taxodium distichum) from municipal wastewater application

Tree ring analysis was used to document the long-term effects of municipal wastewater on the growth rate of baldcypress (Taxodium distichum (L.) Rich.]. The study site, a swamp in St. Martin Parish, Louisiana, has received municipal wastewater for the last 40 years. Growth chronologies from 1920 to 1992 were developed from cross-dated tree core...

Hesse, I.D.; Day, J.W.; Doyle, T.W.

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Year Published: 1998

Modeling spatial distribution of the Unionid mussels and the core-satellite hypothesis

This paper discusses the spatial distribution patterns of the various species of the Unionid mussels as functions of their respective life-cycle characteristics. Computer simulations identify two life-cycle characteristics as major factors governing the abundance of a species, namely the movement range of their fish hosts and the success rate of...

Lee, Hooi-Ling; DeAngelis, Donald L.; Koh, Hock Lye