Report of the status of water net (Hydrodictyon reticulatum) in New Zealand and options for its control / I. Hawes, R.S.D. Wells, J.S. Clayton, C. Howard-Williams

By: Hawes, Ian.
Contributor(s): Wells, Rohan | Clayton, John S | Howard-Williams, C, 1945- | Water Net Technical Committee | DSIR Marine and Freshwater (N.Z.) | Ruakura Agricultural Research Centre (N.Z.).
Material type: materialTypeLabelBookPublisher: Taupo, NZ ; Hamilton, NZ : DSIR Marine & Freshwater ; Ruakura Agricultural Research Centre, 1991Description: 64 leaves : ill (some col) ; 30 cm.Subject(s): WATER NET | HYDRODICTYON RETICULATUM | AQUATIC WEEDS | WEED CONTROL | NEW ZEALAND | BIOLOGY | GROWTH | CONTROL | GEOGRAPHICAL DISTRIBUTIONHoldings: HAMILTON: SB 614 REP 1991 | GRETA POINT: 632.51(28:931) HOW
Contents:
Executive summary -- Contents -- Review -- 1. Introduction -- 1.1 The scope of physiological studies -- 1.2 The scope of control studies -- 2. Biology of water net -- Summary -- 2.1 Morphology and diagnostic features -- 2.1.1 Gross morphology -- 2.1.2 Cell morphology -- 2.2 Growth and reproduction -- 2.2.1 Asexual reproduction -- 2.2.2 Sexual reproduction -- 3. Current distribution in New Zealand -- Summary -- Details of distribution -- 4. Habitat and growth requirements -- Summary -- 4.1 Water chemistry -- 4.2 Light requirements -- 4.3 Temperature requirements -- 4.4 Salinity -- 4.5 Physical conditions -- 5. The impact of water net -- Summary -- 5.1 Overseas experiences -- 5.2 Impact in New Zealand -- 6. Transfer between water bodies -- Summary -- 6.1 Dispersal mechanisms -- 6.2 Extent and rate of future dispersal -- 7. Control measures -- Summary -- 7.1 Control methods -- 7.1.1 Chemical -- 7.1.2 Mechanical -- 7.1.3 Biological -- 7.2 Control and management options for New Zealand -- 7.2.1 Chemical -- 7.2.2 Mechanical -- 7.2.3 Biological -- 7.2.4 Habitat manipulation -- 8. Research priorities -- Summary -- 8.1 Growth and impact in New Zealand -- 8.1.1 Light requirements for growth -- 8.1.2 Temperature requirements -- 8.1.3 -- Nutrient requirements -- 8.1.4 Flotation -- 8.1.5 Ecological impact -- 8.1.6 Monitoring -- 8.2 Control measure research -- 8.2.1 Chemical control -- 8.2.2 Alternative herbicides -- 8.2.3 Biological control -- 8.2.4 Habitat manipulation -- 8.2.5 Utilisation of water net -- 9. References.
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Holdings
Item type Current library Call number Copy number Status Date due Barcode
BOOK BOOK HAMILTON BOOKS SB 614 REP 1991 2 Issued 19/03/2020 15574-1002
BOOK BOOK WELLINGTON BOOKS 632.51(28:931) HAW 1 Available B019312

Cover title.

Report prepared for the Water Net Technical Committee on behalf of Electricorp, Bay of Plenty Regional Council, Waikato Regional Council and Taupo District Council.

Includes bibliographical references (p. 58-64).

Executive summary -- Contents -- Review -- 1. Introduction -- 1.1 The scope of physiological studies -- 1.2 The scope of control studies -- 2. Biology of water net -- Summary -- 2.1 Morphology and diagnostic features -- 2.1.1 Gross morphology -- 2.1.2 Cell morphology -- 2.2 Growth and reproduction -- 2.2.1 Asexual reproduction -- 2.2.2 Sexual reproduction -- 3. Current distribution in New Zealand -- Summary -- Details of distribution -- 4. Habitat and growth requirements -- Summary -- 4.1 Water chemistry -- 4.2 Light requirements -- 4.3 Temperature requirements -- 4.4 Salinity -- 4.5 Physical conditions -- 5. The impact of water net -- Summary -- 5.1 Overseas experiences -- 5.2 Impact in New Zealand -- 6. Transfer between water bodies -- Summary -- 6.1 Dispersal mechanisms -- 6.2 Extent and rate of future dispersal -- 7. Control measures -- Summary -- 7.1 Control methods -- 7.1.1 Chemical -- 7.1.2 Mechanical -- 7.1.3 Biological -- 7.2 Control and management options for New Zealand -- 7.2.1 Chemical -- 7.2.2 Mechanical -- 7.2.3 Biological -- 7.2.4 Habitat manipulation -- 8. Research priorities -- Summary -- 8.1 Growth and impact in New Zealand -- 8.1.1 Light requirements for growth -- 8.1.2 Temperature requirements -- 8.1.3 -- Nutrient requirements -- 8.1.4 Flotation -- 8.1.5 Ecological impact -- 8.1.6 Monitoring -- 8.2 Control measure research -- 8.2.1 Chemical control -- 8.2.2 Alternative herbicides -- 8.2.3 Biological control -- 8.2.4 Habitat manipulation -- 8.2.5 Utilisation of water net -- 9. References.

HAMILTON: SB 614 REP 1991

GRETA POINT: 632.51(28:931) HOW

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