The impact of ozone on a salt marsh cordgrass (Spartina alterniflora)

Matthew D. Taylor, Judith Pawloski Sinn, Donald Durwood Davis, Eva J. Pell

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Spartina alterniflora plants were collected from salt marshes within New Jersey, South Carolina, and Georgia USA and shipped to The Pennsylvania State University. New plants were grown from rhizomes in six open-top field chambers. Three chambers received charcoal-filtered air, and three received charcoal-filtered air plus 80 ppb ozone, 8 h/day for 65 days. Flower, leaf, and shoot number per plant were recorded weekly. Photosynthetic rates were measured in week 5, and foliar injury was assessed during week 9. Final dry weight of roots, shoots, and rhizomes were determined. While ozone-treated plants from all states expressed symptoms of ozone injury, plants from South Carolina exhibited no effect of ozone on any other measured variable. Plants from the Georgia site showed ozone-induced reductions in all measured variables except leaf dry weight. Ozone-treated plants from New Jersey showed reductions in photosynthetic rate, leaf and shoot number, and root dry weights. Only plants from New Jersey produced flowers, with ozone treatment causing delay in flowering and reduction in the number of flower spikes produced.

Original languageEnglish (US)
Pages (from-to)701-705
Number of pages5
JournalEnvironmental Pollution
Volume120
Issue number3
DOIs
StatePublished - Dec 1 2002

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Wetlands
Ozone
Salts
Charcoal
Rhizome
Weights and Measures
Air
Wounds and Injuries

All Science Journal Classification (ASJC) codes

  • Toxicology
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

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abstract = "Spartina alterniflora plants were collected from salt marshes within New Jersey, South Carolina, and Georgia USA and shipped to The Pennsylvania State University. New plants were grown from rhizomes in six open-top field chambers. Three chambers received charcoal-filtered air, and three received charcoal-filtered air plus 80 ppb ozone, 8 h/day for 65 days. Flower, leaf, and shoot number per plant were recorded weekly. Photosynthetic rates were measured in week 5, and foliar injury was assessed during week 9. Final dry weight of roots, shoots, and rhizomes were determined. While ozone-treated plants from all states expressed symptoms of ozone injury, plants from South Carolina exhibited no effect of ozone on any other measured variable. Plants from the Georgia site showed ozone-induced reductions in all measured variables except leaf dry weight. Ozone-treated plants from New Jersey showed reductions in photosynthetic rate, leaf and shoot number, and root dry weights. Only plants from New Jersey produced flowers, with ozone treatment causing delay in flowering and reduction in the number of flower spikes produced.",
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The impact of ozone on a salt marsh cordgrass (Spartina alterniflora). / Taylor, Matthew D.; Sinn, Judith Pawloski; Davis, Donald Durwood; Pell, Eva J.

In: Environmental Pollution, Vol. 120, No. 3, 01.12.2002, p. 701-705.

Research output: Contribution to journalArticle

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