Rapid bioassessment methods for assessing vegetation toxicity at the Savannah River Site - germination tests and root elongation trials

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Description

Plants form the basis of all ecosystems including wetlands. Although they are the most abundant life form and are the primary producers for all other organisms, they have received the least attention when it comes to environmental matters. Higher plants have rarely been used in ecotoxicity testing and may not respond in the same manner as algae, which have been used more frequently. The introduction of hazardous waste materials into wetland areas has the potential to alter and damage the ecological processes in these ecosystems. Measuring the impact of these contaminants on higher plants is therefore important and needs further ... continued below

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166 p.

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Specht, W.L.; Klaine, S.J. & Hook, D.D. January 1, 1996.

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Description

Plants form the basis of all ecosystems including wetlands. Although they are the most abundant life form and are the primary producers for all other organisms, they have received the least attention when it comes to environmental matters. Higher plants have rarely been used in ecotoxicity testing and may not respond in the same manner as algae, which have been used more frequently. The introduction of hazardous waste materials into wetland areas has the potential to alter and damage the ecological processes in these ecosystems. Measuring the impact of these contaminants on higher plants is therefore important and needs further research. Higher plants are useful for detecting both herbicidal toxicity and heavy metal toxicity. For phytotoxicity tests to be practical they must be simple, inexpensive, yet sensitive to a variety of contaminants. A difference between seed germination and root elongation tests is that seed germination tests measure toxicity associated with soils directly, while root elongation tests consider the indirect effects of water-soluble constituents that may be present in site samples.

Physical Description

166 p.

Notes

OSTI as DE97060221

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  • Other Information: PBD: Jan 1996

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  • Other: DE97060221
  • Report No.: WSRC-OS--96-141
  • Grant Number: AC09-89SR18035
  • DOI: 10.2172/503514 | External Link
  • Office of Scientific & Technical Information Report Number: 503514
  • Archival Resource Key: ark:/67531/metadc698268

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  • January 1, 1996

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  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 9, 2016, 6:45 p.m.

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Specht, W.L.; Klaine, S.J. & Hook, D.D. Rapid bioassessment methods for assessing vegetation toxicity at the Savannah River Site - germination tests and root elongation trials, report, January 1, 1996; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc698268/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.