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Forest Sciences

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Forested wetlands

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Full-Text Articles in Life Sciences

Water Level Observations In Mangrove Swamps During Two Hurricanes In Florida, William Conner, Thomas W. Doyle, Terry J. Doyle, Christopher Swarzenski, Andrew S. From, Richard H. Day, Ken W. Krauss Mar 2009

Water Level Observations In Mangrove Swamps During Two Hurricanes In Florida, William Conner, Thomas W. Doyle, Terry J. Doyle, Christopher Swarzenski, Andrew S. From, Richard H. Day, Ken W. Krauss

Publications

Little is known about the effectiveness of mangroves in suppressing water level heights during landfall of tropical storms and hurricanes. Recent hurricane strikes along the Gulf Coast of the United States have impacted wetland integrity in some areas and hastened the need to understand how and to what degree coastal forested wetlands confer protection by reducing the height of peak water level. In recent years, U.S. Geological Survey Gulf Coast research projects in Florida have instrumented mangrove sites with continuous water level recorders. Our ad hoc network of water level recorders documented the rise, peak, and fall of water levels …


The Importance Of Pulsed Physical Events For Sustainability Of Louisiana Coastal Forested Wetlands, William Conner, J W. Day Jr, G P. Shaffer Apr 2006

The Importance Of Pulsed Physical Events For Sustainability Of Louisiana Coastal Forested Wetlands, William Conner, J W. Day Jr, G P. Shaffer

Publications

A number of freshwater diversions from the Mississippi River into Louisiana’s coastal wetlands are currently in operation or in the planning stage. These diversions have multiple objectives including maintaining a desirable salinity gradient, restoring deteriorating wetlands, and enhancing fisheries. The extensive freshwater forested wetlands surrounding the western end of Lake Pontchartrain receive little or no sediment input and are currently deteriorating due to continuous flooding. Diverting nutrient-rich water through wetlands can lead to substantial nutrient removal and to enhanced accretion. The objective of this paper is to compare the impacts on freshwater wetland ecology, accretion, and water quality of several …


Long-Term Success Of Stump Sprouts In High-Graded Baldcypress-Water Tupelo Swamps In The Mississippi Delta, William Conner, Richard F. Keim, Jim L. Chambers, Melinda S. Hughes, Luben D. Dimov, Gary P. Shaffer, Emile S. Gardiner, John W. Day Jan 2006

Long-Term Success Of Stump Sprouts In High-Graded Baldcypress-Water Tupelo Swamps In The Mississippi Delta, William Conner, Richard F. Keim, Jim L. Chambers, Melinda S. Hughes, Luben D. Dimov, Gary P. Shaffer, Emile S. Gardiner, John W. Day

Publications

Regeneration of baldcypress (Taxodium distichum (L.) Rich.) and water tupelo (Nyssa aquatica L.) in swamps of the deltaic plain of the Mississippi River are of major importance for ecosystem sustainability and forest management in the context of regional hydrological changes. Water tupelo often forms prolific sprouts from cut stumps, and baldcypress is one of few conifers to produce stump sprouts capable of becoming full-grown trees. Previous studies have addressed early survival of baldcypress stump sprouts, but have not addressed the likelihood of sprouts becoming an important component of mature stands. We surveyed stands in southeastern Louisiana that were partially logged …


Forested Wetlands Of The Southern United States: A Bibliography, William Conner, Nicole L. Hill, Evander M. Whitehead, William S. Busbee, Marceau A. Ratard, Mehmet Ozalp, Darrell L. Smith, James P. Marshall Oct 2001

Forested Wetlands Of The Southern United States: A Bibliography, William Conner, Nicole L. Hill, Evander M. Whitehead, William S. Busbee, Marceau A. Ratard, Mehmet Ozalp, Darrell L. Smith, James P. Marshall

Publications

The term forested wetland covers a variety of forest types including mangroves, cypress/tupelo swamps, bottomland hardwoods, pocosins and Carolina bays, flatwoods, and mountain fens. These forests are dominated by woody species that have morphological features, physiological adaptations, and/or reproductive strategies enabling them to achieve maturity and reproduce in an environment where the soils within the rooting zone may be inundated or saturated for various periods during the growing season. Although alluvial floodplains occur along most streams of the United States, they are most extensive in the Atlantic Coastal Plain, Gulf Coastal Plain, and Mississippi Alluvial Plain. Only about half of …


The Use Of Tree Shelters In Restoring Forest Species To A Floodplain Delta: 5-Year Results, William Conner, L Wayne Inabinette, Evaden F. Brantley Jan 1999

The Use Of Tree Shelters In Restoring Forest Species To A Floodplain Delta: 5-Year Results, William Conner, L Wayne Inabinette, Evaden F. Brantley

Publications

Without herbivory control, natural seed sources, and seasonal flood events, recovery of the Pen branch delta in South Carolina to former conditions (prior to thermal discharge) may take many years. To assess the recovery process, seedlings of baldcypress (TuxoLtiurn distichum), water tupelo (Nyssa aquatica), swamp blackgum (Nyssa sylvatica var. biflora), and green ash (Fraxinuspennsylucmicn) were planted in four areas of the delta in 1994. One-half of the seedlings were protected using tree shelters 1.5 m tall. Heights of seedlings were taken after planting and at the end of each growing season from 1994 to 1998. Survival at the end of …