-
1
-
-
37949040401
-
Towards a protocol for assessing the natural value of New Zealand Rivers
-
Department of Conservation, Wellington, New Zealand.
-
Collier, K., 1993. Towards a protocol for assessing the natural value of New Zealand Rivers. Science and Research Series no. 58. Department of Conservation, Wellington, New Zealand. 58 pp.
-
(1993)
Science and Research Series No. 58
, vol.58
-
-
Collier, K.1
-
2
-
-
0000813914
-
Scoring profitability models for evaluating and selecting engineering projects
-
Dean, B. V. & M. J. Nishry, 1965. Scoring profitability models for evaluating and selecting engineering projects. J. Oper. Res. Soc. Am. 13:550-569.
-
(1965)
J. Oper. Res. Soc. Am.
, vol.13
, pp. 550-569
-
-
Dean, B.V.1
Nishry, M.J.2
-
3
-
-
3342975760
-
Water resources planning of the Luvuvhu River Basin
-
Main Report. DWA Report No. P.A900/00/0290, Pretoria, South Africa.
-
Department of Water Affairs and Forestry, 1990. Water resources planning of the Luvuvhu River Basin. Basin study report. Vol. 2. Main Report. DWA Report No. P.A900/00/0290, Pretoria, South Africa. 157pp.
-
(1990)
Basin Study Report.
, vol.2
-
-
-
6
-
-
0345718279
-
Aspekte met betrekking tot die ekologie, geografie en taksonomie van varswatervisse in die Limpopoen Incomatiriviersisteem. (in Afrikaans)
-
Gaigher, I. G., 1969. Aspekte met betrekking tot die ekologie, geografie en taksonomie van varswatervisse in die Limpopoen Incomatiriviersisteem. (in Afrikaans). Ph.D.thesis, Rand Afrikaans University. Johannesburg, South Africa. 261 pp.
-
(1969)
Ph.D.thesis, Rand Afrikaans University. Johannesburg, South Africa
-
-
Gaigher, I.G.1
-
7
-
-
85040896886
-
-
John Wiley & Sons, Chichester, New York, Brisbane Toronto, Singapore
-
Gordon, N. D., T. A. McMahon & B. L. Finlayson, 1992. Stream Hydrology: An Introductionfor Ecologisls. John Wiley & Sons, Chichester, New York, Brisbane Toronto, Singapore, 529 pp.
-
(1992)
Stream Hydrology: an Introductionfor Ecologisls
-
-
Gordon, N.D.1
McMahon, T.A.2
Finlayson, B.L.3
-
8
-
-
0027705350
-
Four centuries of cumulative impacts on a Finnish river and its estuary: An ecosystem health approach
-
Hilden, M. & D. Rapport, 1993. Four centuries of cumulative impacts on a Finnish river and its estuary: an ecosystem health approach. J. Aquat. Ecosyst. Health 2: 261-275.
-
(1993)
J. Aquat. Ecosyst. Health
, vol.2
, pp. 261-275
-
-
Hilden, M.1
Rapport, D.2
-
9
-
-
84950421451
-
Assessment of biotic integrity using fish communities
-
Karr, J. R., 1981. Assessment of biotic integrity using fish communities. Fisheries 6:21-27.
-
(1981)
Fisheries
, vol.6
, pp. 21-27
-
-
Karr, J.R.1
-
10
-
-
0002176281
-
Measuring biological integrity: Lessons from streams
-
S. Woodly, J. Kay & G. Francis (eds), St. Lucie Press
-
Karr, J. R., 1993. Measuring biological integrity: Lessons from streams. In: S. Woodly, J. Kay & G. Francis (eds), Ecological Integrity and the Management of Ecosystems, pp. 83-104. St. Lucie Press.
-
(1993)
Ecological Integrity and the Management of Ecosystems
, pp. 83-104
-
-
Karr, J.R.1
-
11
-
-
0019377764
-
Ecological perspective on water quality goals
-
Karr, J. R. & D. R. Dudley, 1981. Ecological perspective on water quality goals. Environ. Manage. 5:55-68.
-
(1981)
Environ. Manage.
, vol.5
, pp. 55-68
-
-
Karr, J.R.1
Dudley, D.R.2
-
12
-
-
37949025936
-
The assessment of conservation status for rivers
-
M. C. Uys (ed), Classification of Rivers, and Environmental Health Indicators Cape Town, South Africa. Water Research Commission Report No. TT
-
Kleynhans, C. J., 1994. The assessment of conservation status for rivers. In: M. C. Uys (ed), Classification of Rivers, and Environmental Health Indicators. Proceedings of a joint South African/Australian workshop. Cape Town, South Africa. Water Research Commission Report No. TT 63/94.
-
(1994)
Proceedings of a Joint South African/Australian Workshop
, pp. 63
-
-
Kleynhans, C.J.1
-
13
-
-
0004136582
-
Inland water ecosystems in South Africa - A review of research needs
-
Report 34, CSIR, Pretoria, South Africa
-
Noble, R. G. & J. Hemens, 1978. Inland water ecosystems in South Africa - a review of research needs. South African National Scientific Programmes, Report 34, CSIR, Pretoria, South Africa 149 pp.
-
(1978)
South African National Scientific Programmes
-
-
Noble, R.G.1
Hemens, J.2
-
14
-
-
6044222479
-
-
O'Keeffe, J. H. (ed.), South African National Scientific Programmes Report 131, CSIR, Pretoria, South Africa.
-
O'Keeffe, J. H. (ed.), 1986. The Conservation of South African Rivers. South African National Scientific Programmes Report 131, CSIR, Pretoria, South Africa. 117 pp.
-
(1986)
The Conservation of South African Rivers
-
-
-
15
-
-
0023070824
-
An "Expert System" approach to the assessment of the conservation status of rivers
-
O'Keeffe, J. H., D. B. Danilewitz & J. A. Bradshaw, 1987. An "Expert System" approach to the assessment of the conservation status of rivers. Biol. Conserv. 40: 69-84.
-
(1987)
Biol. Conserv.
, vol.40
, pp. 69-84
-
-
O'Keeffe, J.H.1
Danilewitz, D.B.2
Bradshaw, J.A.3
-
17
-
-
0003858311
-
-
U.S. Environmental Protection Agency. Washington, D.C.
-
Plafkin, L. P., M. T. Barbour, K. D. Porter, S. K. Gross & R. M. Hughes, 1989. Rapid bioassessment protocols for use in streams and rivers: benthic macroinvertrebrates and fish. U.S. Environmental Protection Agency. Washington, D.C.
-
(1989)
Rapid Bioassessment Protocols for Use in Streams and Rivers: Benthic Macroinvertrebrates and Fish
-
-
Plafkin, L.P.1
Barbour, M.T.2
Porter, K.D.3
Gross, S.K.4
Hughes, R.M.5
-
18
-
-
37949024258
-
-
Contribution to a workshop on the Luvuvhu River. Department of Water Affairs and Forestry. Pretoria, South Africa.
-
Pullen, R. A., 1994. A review of the streamfiow regime in the Luvuvhu River. Contribution to a workshop on the Luvuvhu River. Department of Water Affairs and Forestry. Pretoria, South Africa. 23 pp.
-
(1994)
A Review of the Streamfiow Regime in the Luvuvhu River
-
-
Pullen, R.A.1
-
20
-
-
0002497878
-
The notion of natural and cultural integrity
-
S. Woodly, J. Kay & G. Francis (eds), St. Lucie Press
-
Regier, H. A., 1993. The notion of natural and cultural integrity. In: S. Woodly, J. Kay & G. Francis (eds), Ecological Integrity and the Management of Ecosystems, pp. 3-18. St. Lucie Press.
-
(1993)
Ecological Integrity and the Management of Ecosystems
, pp. 3-18
-
-
Regier, H.A.1
-
21
-
-
34250074500
-
Towards an ecological assessment of watercourses
-
Schneiders, A., E. Verhaert, G. D. Blust, C. Wils, L. Bervoets & R. F. Verheyen, 1993. Towards an ecological assessment of watercourses.J. Aquat. Ecosyst. Health 2:29-38.
-
(1993)
J. Aquat. Ecosyst. Health
, vol.2
, pp. 29-38
-
-
Schneiders, A.1
Verhaert, E.2
Blust, G.D.3
Wils, C.4
Bervoets, L.5
Verheyen, R.F.6
-
22
-
-
0008379306
-
-
Lower Mississippi Valley Division, Vicksburg, Mississipi
-
U.S. Army Corps of Engineers, 1980. A habitat evaluation system for water resources planning. Lower Mississippi Valley Division, Vicksburg, Mississipi.
-
(1980)
A Habitat Evaluation System for Water Resources Planning
-
-
-
23
-
-
0025209133
-
Water quality management in the RSA: Preparing for the future
-
Van der Merwe, W. & D. C. Grobler, 1990. Water quality management in the RSA: preparing for the future. WATER SA 16: 49-54.
-
(1990)
WATER SA
, vol.16
, pp. 49-54
-
-
Van Der Merwe, W.1
Grobler, D.C.2
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