Likely environments in which the non-indigenous freshwater diatom, Didymosphenia geminata, can survive, in New Zealand / Cathy Kilroy, Ton Snelder, Julian Sykes.

By: Kilroy, Cathy.
Contributor(s): Snelder, Ton H. (NIWA. Christchurch) | Sykes, Julian R. E. (NIWA. Christchurch).
Material type: materialTypeLabelBookSeries: NIWA client report ; CHC2005-043; NIWA Project ; MAF05504.Publisher: [Wellington, N.Z.] : MAF Biosecurity New Zealand, 2005Description: 110 p. : ill. ; 30 cm.Subject(s): DIDYMOSPHENIA GEMINATA | RESEARCH PROJECTS | SURVIVAL RATES | BIOLOGICAL INVASIONS | DIATOMS | ENVIRONMENTAL CONDITIONS | RIVERS | CHEMICAL CONTROL | SOUTH ISLAND | LAKES | STREAMSHoldings: Electronic Online resources: Click here to access online | Click here to access online Abstract: As part of an assessment of the risk posed by the invasive diatom species Didymosphenia geminata to New Zealandgass fresh waters, NIWA was requested by Biosecurity New Zealand to map likely environments in which the species may survive throughout New Zealand. The question was addressed using information on freshwater habitats in New Zealand provided by the New Zealand River Environment Classification (REC) and associated data. b0s The main objective of the work was to map likely environments for D. geminata based on literature information on the speciesgas environmental requirements and preferences. A further objective was to map likely environments for D. geminata based on the REC characteristics of the rivers in which the species is already present (the Mararoa and lower Waiau Rivers, Southland). b0s In addition, for each analysis, Biosecurity New Zealand requested the distribution of likely environments within the bioregions defined in the Waters of National Importance (WONI) project. ... - Executive summary.
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SIRIS 1 Not for loan 145594-2001

"September 2005"

Includes bibliographic references.

As part of an assessment of the risk posed by the invasive diatom species Didymosphenia geminata to New Zealandgass fresh waters, NIWA was requested by Biosecurity New Zealand to map likely environments in which the species may survive throughout New Zealand. The question was addressed using information on freshwater habitats in New Zealand provided by the New Zealand River Environment Classification (REC) and associated data. b0s The main objective of the work was to map likely environments for D. geminata based on literature information on the speciesgas environmental requirements and preferences. A further objective was to map likely environments for D. geminata based on the REC characteristics of the rivers in which the species is already present (the Mararoa and lower Waiau Rivers, Southland). b0s In addition, for each analysis, Biosecurity New Zealand requested the distribution of likely environments within the bioregions defined in the Waters of National Importance (WONI) project. ... - Executive summary.

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