THE IMPACT OF INDUSTRIAL LANDUSE ACTIVITIES ON GRASS SHRIMP POPULATION METRICS. Leight, A K, Fulton, M, Daugomah, J, & Scott, G abstract bibtex The grass shrimp, Palaemonetes pugio, is an important component of estuarine ecosystems, making up \textgreater55% of the macrofaunal density in estuarine tidal creeks. They facilitate the breakdown of detritus and serve as a key prey item for many ecologically and recreationally important fish species. Significant reductions in grass shrimp density and biomass have been reported in areas adjacent to urban and agricultural landuse activities. This study was designed to evaluate the potential impact of industrial landuse activities by monitoring grass shrimp population metrics in four tidal creeks of the Charleston Harbor estuary, Charleston, SC. Three of the creeks (Shipyard, Diesel, and Koppers) have significant levels of sediment contamination due to historical and contemporary industrial landuse activities. The fourth creek, Rathall, has no history of industrial development and was used as a reference site. Nine 25-m stretches were sampled in each creek monthly for one year with pushnets. Measurements of grass shrimp density, size, and reproductive endpoints (ie. sex ratios, number of eggs per gravid female) were made for all samples. Sediment samples were collected from each site and analyzed for metals, pesticides, polycyclic aromatic hydrocarbons (PAHs), and polychlorinated biphenyls (PCBs). Results indicated that the most heavily contaminated site, Shipyard, had significantly reduced densities relative to the reference site. Densities at the other two contaminated sites (Diesel and Koppers) were not different from the reference site. Grass shrimp size, however, was reduced at these two sites. No significant site-related differences in population sex ratios or clutch size were observed. The findings indicate that a variety of grass shrimp population metrics may be impacted by contaminants associated with industrial landuse.
@article{leight_impact_nodate,
title = {{THE} {IMPACT} {OF} {INDUSTRIAL} {LANDUSE} {ACTIVITIES} {ON} {GRASS} {SHRIMP} {POPULATION} {METRICS}},
abstract = {The grass shrimp, Palaemonetes pugio, is an important component of estuarine ecosystems, making up {\textgreater}55\% of the macrofaunal density in estuarine tidal creeks. They facilitate the breakdown of detritus and serve as a key prey item for many ecologically and recreationally important fish species. Significant reductions in grass shrimp density and biomass have been reported in areas adjacent to urban and agricultural landuse activities. This study was designed to evaluate the potential impact of industrial landuse activities by monitoring grass shrimp population metrics in four tidal creeks of the Charleston Harbor estuary, Charleston, SC. Three of the creeks (Shipyard, Diesel, and Koppers) have significant levels of sediment contamination due to historical and contemporary industrial landuse activities. The fourth creek, Rathall, has no history of industrial development and was used as a reference site. Nine 25-m stretches were sampled in each creek monthly for one year with pushnets. Measurements of grass shrimp density, size, and reproductive endpoints (ie. sex ratios, number of eggs per gravid female) were made for all samples. Sediment samples were collected from each site and analyzed for metals, pesticides, polycyclic aromatic hydrocarbons (PAHs), and polychlorinated biphenyls (PCBs). Results indicated that the most heavily contaminated site, Shipyard, had significantly reduced densities relative to the reference site. Densities at the other two contaminated sites (Diesel and Koppers) were not different from the reference site. Grass shrimp size, however, was reduced at these two sites. No significant site-related differences in population sex ratios or clutch size were observed. The findings indicate that a variety of grass shrimp population metrics may be impacted by contaminants associated with industrial landuse.},
language = {en},
author = {Leight, A K and Fulton, M and Daugomah, J and Scott, G},
keywords = {⛔ No DOI found},
}
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This study was designed to evaluate the potential impact of industrial landuse activities by monitoring grass shrimp population metrics in four tidal creeks of the Charleston Harbor estuary, Charleston, SC. Three of the creeks (Shipyard, Diesel, and Koppers) have significant levels of sediment contamination due to historical and contemporary industrial landuse activities. The fourth creek, Rathall, has no history of industrial development and was used as a reference site. Nine 25-m stretches were sampled in each creek monthly for one year with pushnets. Measurements of grass shrimp density, size, and reproductive endpoints (ie. sex ratios, number of eggs per gravid female) were made for all samples. Sediment samples were collected from each site and analyzed for metals, pesticides, polycyclic aromatic hydrocarbons (PAHs), and polychlorinated biphenyls (PCBs). Results indicated that the most heavily contaminated site, Shipyard, had significantly reduced densities relative to the reference site. Densities at the other two contaminated sites (Diesel and Koppers) were not different from the reference site. Grass shrimp size, however, was reduced at these two sites. No significant site-related differences in population sex ratios or clutch size were observed. The findings indicate that a variety of grass shrimp population metrics may be impacted by contaminants associated with industrial landuse.","language":"en","author":[{"propositions":[],"lastnames":["Leight"],"firstnames":["A","K"],"suffixes":[]},{"propositions":[],"lastnames":["Fulton"],"firstnames":["M"],"suffixes":[]},{"propositions":[],"lastnames":["Daugomah"],"firstnames":["J"],"suffixes":[]},{"propositions":[],"lastnames":["Scott"],"firstnames":["G"],"suffixes":[]}],"keywords":"⛔ No DOI found","bibtex":"@article{leight_impact_nodate,\n\ttitle = {{THE} {IMPACT} {OF} {INDUSTRIAL} {LANDUSE} {ACTIVITIES} {ON} {GRASS} {SHRIMP} {POPULATION} {METRICS}},\n\tabstract = {The grass shrimp, Palaemonetes pugio, is an important component of estuarine ecosystems, making up {\\textgreater}55\\% of the macrofaunal density in estuarine tidal creeks. They facilitate the breakdown of detritus and serve as a key prey item for many ecologically and recreationally important fish species. Significant reductions in grass shrimp density and biomass have been reported in areas adjacent to urban and agricultural landuse activities. This study was designed to evaluate the potential impact of industrial landuse activities by monitoring grass shrimp population metrics in four tidal creeks of the Charleston Harbor estuary, Charleston, SC. Three of the creeks (Shipyard, Diesel, and Koppers) have significant levels of sediment contamination due to historical and contemporary industrial landuse activities. The fourth creek, Rathall, has no history of industrial development and was used as a reference site. Nine 25-m stretches were sampled in each creek monthly for one year with pushnets. Measurements of grass shrimp density, size, and reproductive endpoints (ie. sex ratios, number of eggs per gravid female) were made for all samples. Sediment samples were collected from each site and analyzed for metals, pesticides, polycyclic aromatic hydrocarbons (PAHs), and polychlorinated biphenyls (PCBs). Results indicated that the most heavily contaminated site, Shipyard, had significantly reduced densities relative to the reference site. Densities at the other two contaminated sites (Diesel and Koppers) were not different from the reference site. Grass shrimp size, however, was reduced at these two sites. No significant site-related differences in population sex ratios or clutch size were observed. 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