Organically‐bound ferrous iron (Org.‐Fe(II)) as an indicator of ecosystem health: A comparison of suburbanized and forested streams in the southeastern us

Kawaguchi, Tomohiro; Wahl, Matthew; Aelion, C. Marjorie; McKellar, Henry N.

doi:10.1080/10934529409376145

Cited by 4 publications

(1 citation statement)

References 26 publications

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“…Dissolved organic nitrogen plays an important role in primary production in North Inlet. Direct utilization was observed in laboratory experiments using water taken from the Inlet (Lewitus et al, 2000), and it serves as a substrate that enhances bioavailability of iron, a critical micronutrient (Kawaguchi et al, 1994(Kawaguchi et al, , 1997. The loss of coastal forests due to urban development, causing reduced DON export, was hypothesized as the reason for low iron availability in Murrells Inlet.…”

Section: Nutrient Ratiosmentioning

confidence: 99%

IMPACTS OF URBANIZATION ON NUTRIENT CONCENTRATIONS IN SMALL SOUTHEASTERN COASTAL STREAMS¹

Tufford¹,

Samarghitan²,

McKellar³

et al. 2003

J American Water Resour Assoc

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Coastal watersheds in the southeastern United States are rapidly changing due to population growth and attendant increases in residential development, industry, and tourism related commerce. This research examined spatial and temporal patterns of nutrient concentrations in streams from 10 small watersheds (< 4 km2) that drain into Murrells Inlet (impacted) and North Inlet (pristine), two high salinity estuaries along the South Carolina coast. Monthly grab samples were collected during baseflow during 1999 and analyzed for total and dissolved inorganic and organic forms of nitrogen and phosphorus. Data were grouped into forested wetland creeks (representing predevelopment reference sites), urban creeks, and urban ponds. DON and NH4 concentrations were greater in forested streams than in urban streams. NO3 and TP concentrations were greatest in urban streams. Seasonally, concentrations were highest during summer for TN, NH4, DON, and TP, while NO3 concentrations were greatest during winter. Nutrient ratios clearly highlighted the reduction in organic nitrogen due to coastal development. Multiple regression models to predict instream nutrient concentrations from land use in Murrells Inlet suggest that effects are not significant (small r2). The findings indicate that broad land use/land cover classes cannot be used to predict nutrient concentrations in streams in the very small watersheds in our study areas.

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Section: Nutrient Ratiosmentioning

confidence: 99%

IMPACTS OF URBANIZATION ON NUTRIENT CONCENTRATIONS IN SMALL SOUTHEASTERN COASTAL STREAMS¹

Tufford¹,

Samarghitan²,

McKellar³

et al. 2003

J American Water Resour Assoc

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Blooms of the cyanobacterium Lyngbya majuscula in coastal Queensland, Australia: disparate sites, common factors

Albert

O’Neil

Udy

et al. 2005

Marine Pollution Bulletin

142

126

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Iron limitation of phytoplankton in an urbanized vs. forested southeastern U.S. salt marsh estuary

Lewitus

Kawaguchi

DiTullio

et al. 2004

Journal of Experimental Marine Biology and Ecology

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Organically‐bound ferrous iron (Org.‐Fe(II)) as an indicator of ecosystem health: A comparison of suburbanized and forested streams in the southeastern us

Cited by 4 publications

References 26 publications

IMPACTS OF URBANIZATION ON NUTRIENT CONCENTRATIONS IN SMALL SOUTHEASTERN COASTAL STREAMS¹

IMPACTS OF URBANIZATION ON NUTRIENT CONCENTRATIONS IN SMALL SOUTHEASTERN COASTAL STREAMS¹

Blooms of the cyanobacterium Lyngbya majuscula in coastal Queensland, Australia: disparate sites, common factors

Iron limitation of phytoplankton in an urbanized vs. forested southeastern U.S. salt marsh estuary

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Organically‐bound ferrous iron (Org.‐Fe(II)) as an indicator of ecosystem health: A comparison of suburbanized and forested streams in the southeastern us

Cited by 4 publications

References 26 publications

IMPACTS OF URBANIZATION ON NUTRIENT CONCENTRATIONS IN SMALL SOUTHEASTERN COASTAL STREAMS1

IMPACTS OF URBANIZATION ON NUTRIENT CONCENTRATIONS IN SMALL SOUTHEASTERN COASTAL STREAMS1

Blooms of the cyanobacterium Lyngbya majuscula in coastal Queensland, Australia: disparate sites, common factors

Iron limitation of phytoplankton in an urbanized vs. forested southeastern U.S. salt marsh estuary

Contact Info

Product

Resources

About

IMPACTS OF URBANIZATION ON NUTRIENT CONCENTRATIONS IN SMALL SOUTHEASTERN COASTAL STREAMS¹

IMPACTS OF URBANIZATION ON NUTRIENT CONCENTRATIONS IN SMALL SOUTHEASTERN COASTAL STREAMS¹