Colonization, growth, and clonal morphology differ with genotype and are influenced by elevation. Explore recent publications by USGS authors, Browse all of Pubs Warehouse by publication type and year, Descriptions of US Geological Survey Report Series, https://doi.org/10.1890/1051-0761(2003)013[0180:GAEISA]2.0.CO;2, Genotype and elevation influence Spartina alterniflora colonization and growth in a created salt marsh, 10.1890/1051-0761(2003)013[0180:GAEISA]2.0.CO;2, National Wetlands Research Center, Wetland and Aquatic Research Center. A .gov website belongs to an official government organization in the Differences between edge and center are interpreted as differences in clone morphology. Hybrid Spartina rapidly colonized mudflats, such as these surrounding Alameda Island.. Plant Community Establishment in a Coastal Marsh Restored Using Sediment Additions. Share sensitive information only on official, secure websites. Genotypic diversity at multiple spatial scales in the foundation marsh species, Spartina alterniflora. Spartina alterniflora (Smooth Cordgrass) is a species of marsh grass native to the Atlantic and Gulf coasts of the United States, where it is considered a valuable plant making important contributions to the coastal ecology: Its dense growth provides protection against storm surge and “erosion control along shorelines, canal banks, levees, and other areas of… A field experiment revealed that S. alterniflora height and total stem length varied with genotype, while stem density and flowering stem density did not. Goat Island. These results indicate that S. alterniflora populations developing on new substrata colonize broadly, but growth and reproduction vary with genotype and are influenced by changes in elevation (range: 11.8 cm), and probably other environmental factors, over relatively small distances. Effects of fertilizer, elevation, and tidal inundation on seedling establishment of Spartina alterniflora and Spartina patens were tested at a wave-protected sandy dredged material site, Galveston Bay, Texas. of occurrence do not correspond to a consistent elevation relative to a tidal datum in all marsh locations. All rights reserved. These results indicate that S. alterniflora populations developing on new substrata colonize broadly, but growth and reproduction vary with genotype and are influenced by changes in elevation (range: 11.8 cm), and probably other environmental factors, over relatively small distances. Triadica sebifera Surface Elevation Tables (SET) were used to measure changes in the elevation of the marsh surface at Goat Island high- and low-marsh plots beginning in 1996. A Surface Elevation Table (SET) is used to measure changes in the elevation of the marsh surface at three long term marsh fertilization experimental research sites. ESA Headquarters1990 M Street, NWSuite 700 The area dominated by S. alterniflora in the three distance zones increased concomitantly with clonal growth. smooth cordgrass. Official websites use .gov Aboveground and belowground productivity ofSpartina alterniflora (Smooth Cordgrass) in natural and created Louisiana salt marshes. The Bulletin of the Ecological Society of America, I have read and accept the Wiley Online Library Terms and Conditions of Use. In the natural marsh Spartina alterniflora dominated, or codominated with S. patens and Distichlis spicata, from the lowest elevation up to 29.9 cm NGVD, while S. patens dominated on a ridge (41.2 cm NGVD) that had formed from storm deposition. Effects of salinity and clonal integration on growth and sexual reproduction of the invasive grass Spartina alterniflora. Red mangrove (Rhizophora mangle) reproduction and seedling colonization after hurricane charley: Comparisons of Charlotte Harbor and Tampa Bay. Elevation differences over distances of a few meters influenced total stem length and flowering stem density but not other response variables. Secure .gov websites use HTTPS Effects of oil exposure, plant species composition, and plant genotypic diversity on salt marsh and mangrove assemblages. The discrepancy of inundation duration thresholds between these two mesocosms experiments may be explained by the … Effects of increased elevation and macroand micronutrient additions on Spartina alterniflora transplant success in salt-marsh dieback areas in Louisiana Survival and Growth in Restored South Carolina Salt Marshes Genetic structure and habitat selection of the tall form Spartina alterniflora Loisel. By 2017, the width of S. alterniflora was 1.88 km, the length was 12.90 km and the area was 3,925 ha. Genetic effects of a large-scaleSpartina alterniflora (smooth cordgrass) dieback and recovery in the northern Gulf of Mexico. Local adaptation of Spartina alterniflora to environmental conditions may lead to dominance by different suites of genotypes in different locations within a marsh. Differences in growth and clone morphology of different genets, and the frequent occurrence of seedlings throughout the site, underscore the importance of genetic variability in natural and created populations. If you do not receive an email within 10 minutes, your email address may not be registered, LockA locked padlock Sediment burial stimulates the growth and propagule production of Spartina alterniflora Loisel.. Salt marsh restoration with sediment-slurry amendments following a drought-induced large-scale disturbance. Spartina alterniflora was transplanted into dieback areas of a salt marsh in southeast Louisiana at two elevations (ambient and +30 cm) with and without macro- (N, P, and K) and micronutrient (Fe, Mn, Cu, and Zn) additions to determine if transplant Vegetation Responses to Tidal Restoration. Habitat choice and seed–seedling conflict of Spartina alterniflora on the coast of China. Spartina alterniflora was transplanted into dieback areas of a salt marsh in southeast Louisiana at two elevations (ambient and +30 cm) with and without macro- (N, P, and K) and micronutrient (Fe, Mn, Cu, and Zn) additions to determine if transplant success is dependent on increasing elevation or nutrients. POPULATION STRUCTURE AND INBREEDING VARY WITH SUCCESSIONAL STAGE IN CREATED SPARTINA ALTERNIFLORA MARSHES. Trait and density responses of Spartina alterniflora to inundation in the Yellow River Delta, China. Intra-specific responses of a dominant C4 grass to altered precipitation patterns. Differences between edge and center are interpreted as differences in clone morphology. influenced by elevation. on Sixty Bass Creek beginning in 2006. Figure 3. Seedlings were spatially very patchy and tended to occur near clones that probably produced them. One possible future scenario is that S. alterniflora may enhance accretion of the marsh such that the elevation rapidly rises, thereby eliminating these low elevation areas and shifting competitive dominance to S. alterniflora, much like that seen in natural elevation-dependent competitive processes between the lower S. mariqueter and the higher Scirpus tabernaemontani (Sun et al., 2003). Use the link below to share a full-text version of this article with your friends and colleagues. Soil erodibility differs according to heritable trait variation and nutrient-induced plasticity in the salt marsh engineer Spartina alterniflora. The variation in the vertical distribution of this species reported among marsh … Phenotypic plasticity influences the success of clonal propagation in industrial pharmaceutical Cannabis sativa. A number of plant morphological measures were found to vary significantly among the five genotypes and had broad‐sense heritabilities ranging up to 0.71. 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