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Articles 61 - 69 of 69
Full-Text Articles in Forest Sciences
Restoration Of A Severely Impacted Riparian Wetland System - The Pen Branch Project, William Conner, Christopher Barton, Eric A. Nelson, Randall K. Kolka, Kenneth W. Mcleod, Michelle Lakly, Douglas Martin, John Wiggington, Carl Trettin, Joe Wisniewski
Restoration Of A Severely Impacted Riparian Wetland System - The Pen Branch Project, William Conner, Christopher Barton, Eric A. Nelson, Randall K. Kolka, Kenneth W. Mcleod, Michelle Lakly, Douglas Martin, John Wiggington, Carl Trettin, Joe Wisniewski
Publications
The Savannah River Swamp is a 3020 ha forested wetland on the floodplain of the Savannah River and is located on the Department of Energy’s Savannah River Site (SRS) near Aiken, SC (Fig. 1). Historically the swamp consisted of
approximately 50% baldcypress-water tupelo stands, 40% mixed bottomland hardwood stands, and 10% shrub, marsh, and open water. Tributeries of the river were typical of Southeastern bottomland hardwood forests. The hydrology was controlled by flow from four creeks that drain into the swamp and by flooding of the Savannah River. Upstream dams on the Savannah River have caused some alteration of the …
Aboveground Production And Nutrient Circulation Along A Flooding Gradient In A South Carolina Coastal Plain Forest, William Conner, Marianne K. Burke, B Graeme Lockaby
Aboveground Production And Nutrient Circulation Along A Flooding Gradient In A South Carolina Coastal Plain Forest, William Conner, Marianne K. Burke, B Graeme Lockaby
Publications
Relative to effects of flooding, little is known about the influence of hydrology-nutrient interactions on aboveground net primary production (NPP) in forested wetlands. The authors found that nutrient circulation and NPP were closely related along a complex physical, chemical, and hydrologic gradient in a bottomland hardwood forest with four distinct communities. Aboveground biomass, NPP, biomass partitioning to stem production, growth efficiency, and soil macronutrient availability were greatest in the flooded zone, possibly because of the stable hydrologic regime. In the wet transition zone, trees were least productive, nutrient use efficiency was highest, and N retranslocation from foliage before abscission was …
The Use Of Tree Shelters In Restoring Forest Species To A Floodplain Delta: 5-Year Results, William Conner, L Wayne Inabinette, Evaden F. Brantley
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 …
Tree Seedling Establishment Across A Hydrologic Gradient In A Bottomland And Restoration, William Conner, R K. Kolka, C C. Trettin, E A. Nelson
Tree Seedling Establishment Across A Hydrologic Gradient In A Bottomland And Restoration, William Conner, R K. Kolka, C C. Trettin, E A. Nelson
Publications
Seedling establishment and survival on the Savannah River Site in South Carolina is being monitored as part of the Pen Branch Bottomland Restoration Project. Bottomland tree species were planted from 1993-1995 across a hydrologic gradient which encompasses the drier upper floodplain corridor, the lower floodplain corridor and the continuously inundated delta. Twelve species were planted in the three areas based on their flood tolerance and the hydrology of the area. Planted areas are separated by unplanted control strips to assess natural regeneration. A seedling survey conducted in 1997 showed that planted areas had significantly greater seedling densities than unplanted control …
Southern Deepwater Swamps, William Conner, Marilyn A. Buford
Southern Deepwater Swamps, William Conner, Marilyn A. Buford
Publications
No abstract provided.
Aboveground Production In Southeastern Floodplain Forests: A Test Of The Subsidy-Stress Hypothesis, William Conner, J Patrick Megonigal, Steven Kroeger, Rebecca R. Sharitz
Aboveground Production In Southeastern Floodplain Forests: A Test Of The Subsidy-Stress Hypothesis, William Conner, J Patrick Megonigal, Steven Kroeger, Rebecca R. Sharitz
Publications
It has been hypothesized that periodically flooded forests have higher rates of aboveground net primary production than upland forests and near-continuously flooded forests, but a competing hypothesis holds that the benefits of periodic inputs of nutrients and water may be diminished by stresses associated with anaerobic soils or drought. To test these hypotheses, we measured groundwater table depths and aboveground productivity in floodplain forests of South Carolina and Louisiana. We established paired plots on locally dry, intermediate, and wet topographic positions across three hydrologic transects in each state. These plots encompassed upland hardwood, bottomland hardwood, and cypress swamp forests. Measurements …
The Problem Of Planting Louisiana Swamplands When Nutria (Myocastor Coypu) Are Present, William Conner, J R. Toliver
The Problem Of Planting Louisiana Swamplands When Nutria (Myocastor Coypu) Are Present, William Conner, J R. Toliver
Publications
Logging of baldcypress (Taxodium distichum) in the swamps of the southeastern United States is once again becoming common and an area of particular concern in Louisiana is the regeneration of cypress in its natural environment. One way to ensure the proper stocking of cypress is to plant seedlings, but nutria usually damage or destroy newly planted seedlings and are a deterrent to cypress regeneration in flooded areas. In 1985 cypress seedlings were planted in a flooded logged area and in an area where flooding was preventing the establishment of natural seedlings. Nutria destroyed 86% of the seedlings in …
The Ecology Of Barataria Basin, Louisiana: An Estuarine Profile, William Conner, John W. Day
The Ecology Of Barataria Basin, Louisiana: An Estuarine Profile, William Conner, John W. Day
Publications
No abstract provided.
Vexar Seedling Protectors Did Not Reduce Nutria Damage To Planted Baldcypress Seedlings, William Conner, John R. Toliver
Vexar Seedling Protectors Did Not Reduce Nutria Damage To Planted Baldcypress Seedlings, William Conner, John R. Toliver
Publications
Vexar seedling protectors were tested for preventing nutria damage to baldcypress (Taxodium distichum (L.) Rich) seedlings planted in Louisiana
swamp forests. Five areas were planted with 1-year-old baldcypress seedlings. Half the seedlings in each area were protected with Vexar seedling protectors. The protectors slowed down the rate of destruction in some areas, but after 3 months, 85% of the guarded seedlings and 87% of the unguarded seedlings were destroyed.