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1.
Summary of the changes to the aquatic plants in Lake Whangape with reference to discharges entering the lake

by Wells, R. D. S; Clayton, J. S. -- National Institute of Water and Atmospheric Research (N.Z.)

Publisher: Hamilton, N.Z. : NIWAR, 1992Other title: Lake Whangape : a summary ot the changes to aquatic plants with reference to discharges entering the lake.Holdings: GRETA POINT: 632.51(28:931) WELAvailability: Items available for loan: WELLINGTON [632.51(28:931) WEL] (1).
2.
How invasive weeds affect lake sediments and native plant growth

by Matheson, F; de Winton, M; Clayton, J; Edwards. T.

Source: Water & atmosphere Publisher: 2004Online Access: Click here to access online Holdings: Index record, see source title.Availability: Items available for reference: WELLINGTON [ELECTRONIC] (1 ).
3.
Further investigation of direct groundwater seepage to Lake Taupo

by Gibbs, M; Clayton, J; Wells, R. -- Waikato (N.Z.) Regional Council (1989-1992)

Publisher: Hamilton [N.Z.] : Environment Waikato, 2005Online Access: Click here to access online | Click here to access online Holdings: HAMILTON: on L drive.Availability: Items available for loan: WELLINGTON [ELECTRONIC] (1).
4.
Review of diquat reports of relevance to iwi values in Lake Karapiro

by Clayton, J. -- Waikato (N.Z.) Regional Council (1989-1992); National Institute of Water and Atmospheric Research (N.Z.)

Publisher: Hamilton [N.Z.] : Environment Waikato, 2006Online Access: Click here to access online | Click here to access online Holdings: HAMILTON: on L drive.Availability: Items available for loan: WELLINGTON [ELECTRONIC] (1).
5.
The condition of lakes in the Waikato Region using LakeSPI

by Edwards, T; Clayton, J; de Winton, M. -- Waikato (N.Z.)Environment Waikato

Publisher: Hamilton [N.Z.] : Environment Waikato, 2006Online Access: Click here to access online | Click here to access online Holdings: HAMILTON: on L drive.Availability: Items available for loan: WELLINGTON [ELECTRONIC] (1).
6.
The condition of twelve lakes in the Rotorua Lakes Region using LakeSPI

by Clayton, J; Edwards, T; de Winton, M.

Publisher: Environment Bay of Plenty, 2005Online Access: Bay of Plenty Regional Council pdf | NIWA document server Holdings: ELECTRONICAvailability: Items available for reference: WELLINGTON [ELECTRONIC] (1 ).
7.
Aniwhenua hydro-electric scheme : ecological assessment

by Clayton, J. S. -- Bay of Plenty Electric Power Board

Publisher: Auckland, New Zealand : Tonkin & Taylor, 1975Other title: Aniwhenua hydroelectric scheme : ecological assessment.Holdings: GRETA POINT: 556.53(931.217) CLAAvailability: Items available for loan: WELLINGTON [556.53(931.217) CLA] (1).
8.
Invasions of aquatic ecosystems

by Clayton, J.

Source: Water & atmosphere Publisher: 1993Online Access: Click here to access online Availability: Items available for reference: WELLINGTON [ELECTRONIC] (1 ).
9.
Assessment of the ecological condition of lakes in the Waikato region using LakeSPI: 2010

by Edwards, T; de Winton, M; Clayton, J. -- Waikato (N.Z.)Environment Waikato

Publisher: Hamilton [N.Z.], : Environment Waikato, 2010Online Access: Click here to access online | Click here to access online Holdings: ElectronicAvailability: Items available for reference: WELLINGTON (1 ).
10.
Lake Whangape : the macrophytes

by Wells, R. D. S. (Rohan D. S.); Clayton, J. S. (John S.); Vant, W. N. -- MAFTech (N.Z.); New ZealandMinistry of Agriculture and Fisheries.

Publisher: Hamilton, N.Z. : MAFTech, Ministry of Agriculture & Fisheries, [1989?]Holdings: GRETA POINT: 632.51(28:931) WELAvailability: Items available for loan: WELLINGTON [632.51(28:931) WEL] (1).
11.
Aquatic macrophytes in the Nelson National Park lakes

by Brown, J.M.A., (John M.A.); Dromgoole, F.I; Coffey, B.T; Clayton, J.

Publisher: Auckland, N.Z. : Auckland University, Department of Botany, 1973Holdings: GRETA POINT: 581.526.32(931.3) BROAvailability: Items available for loan: WELLINGTON [581.526.32(931.3) BRO] (1).
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