Summary of the changes to the aquatic plants in Lake Whangape with reference to discharges entering the lake / R.D.S. Wells & J.S. Clayton.

By: Wells, R. D. S.
Contributor(s): Clayton, J. S | National Institute of Water and Atmospheric Research (N.Z.).
Material type: materialTypeLabelBookPublisher: Hamilton, N.Z. : NIWAR, 1992Description: 15 p. : ill. (some col.) ; 30 cm.Other title: Lake Whangape : a summary ot the changes to aquatic plants with reference to discharges entering the lake.Subject(s): LAKE WHANGAPE | MACROPHYTES | VEGETATION | BLACK SWAN | CERATOPHYLLUM | EGERIA | COAL MINING | DISCHARGES | TURBIDITY | AQUATIC WEEDS | NEW ZEALANDHoldings: GRETA POINT: 632.51(28:931) WEL
Contents:
1. History of macrophytes in Lake Whangape -- 1.1 The macrophytes pre-1900 -- 1.2 The macrophytes in 1958 -- 1.3 The macrophytes 1977-1979 -- 1.4 The macrophytes 1985-1981 -- 1.5 The macrophytes 1991-1992 -- 2. Possible causes of macrophyte decline -- 2.1 Possible causes of macrophyte decline in the Waikato lakes -- 2.2 The effects of turbid water -- 2.3 The effects of black swans (Cygnus atratus) -- 2.4 The effects of Certophyllum competition-- 3. The future for macrophytes in Lake Whangape -- 4. Several alternative approaches to setting SS levels in Glencoal's discharge -- 4.1 Discharges per se compatible with re-establishment of macrophytes in Lake Whangape -- 4.2 As for 4.1, but up to background levels, also be permitted -- 4.3 Alternative criteria to macrophytes be used -- 5. References -- 6. Acknowledgements.
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BOOK BOOK WELLINGTON
BOOKS
632.51(28:931) WEL 1 Available B019622

Commisioned by Glencoal Energy

"Aquatic Plant Group; July 1992"

"Prepared by NIWAR July 1992" -- Cover

1. History of macrophytes in Lake Whangape -- 1.1 The macrophytes pre-1900 -- 1.2 The macrophytes in 1958 -- 1.3 The macrophytes 1977-1979 -- 1.4 The macrophytes 1985-1981 -- 1.5 The macrophytes 1991-1992 -- 2. Possible causes of macrophyte decline -- 2.1 Possible causes of macrophyte decline in the Waikato lakes -- 2.2 The effects of turbid water -- 2.3 The effects of black swans (Cygnus atratus) -- 2.4 The effects of Certophyllum competition-- 3. The future for macrophytes in Lake Whangape -- 4. Several alternative approaches to setting SS levels in Glencoal's discharge -- 4.1 Discharges per se compatible with re-establishment of macrophytes in Lake Whangape -- 4.2 As for 4.1, but up to background levels, also be permitted -- 4.3 Alternative criteria to macrophytes be used -- 5. References -- 6. Acknowledgements.

GRETA POINT: 632.51(28:931) WEL

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