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Helen Dallas
Helen Dallas
Freshwater Research Centre - Director, Nelson Mandela University & University of Cape Town
Verified email at frcsa.org.za - Homepage
Title
Cited by
Cited by
Year
The effect of water quality variables on riverine ecosystems: a review
HF Dallas, JA Day
Freshwater Research Unit, University of Cape Town, 1993
2511993
The effect of water quality variables on aquatic ecosystems
HF Dallas, JA Day
WRC Report No. TT224/04, 2004
247*2004
Water temperature and riverine ecosystems: An overview of knowledge and approaches for assessing biotic responses, with special reference to South Africa
H Dallas
Water Sa 34 (3), 393-404, 2008
1322008
Critical thermal maxima of aquatic macroinvertebrates: towards identifying bioindicators of thermal alteration
HF Dallas, NA Rivers-Moore
Hydrobiologia 679 (1), 61-76, 2012
1192012
A preliminary evaluation of aspects of SASS (South African Scoring System) for the rapid bioassessment of water quality in rivers, with particular reference to the …
HF Dallas
Southern African Journal of Aquatic Science 23 (1), 79-94, 1997
1181997
Multi‐scale assessment of macroinvertebrate richness and composition in Mediterranean‐climate rivers
N Bonada, M Rieradevall, H Dallas, J Davis, J Day, R Figueroa, VH Resh, ...
Freshwater Biology 53 (4), 772-788, 2008
902008
Ecological consequences of global climate change for freshwater ecosystems in South Africa
HF Dallas, N Rivers-Moore
South African Journal of Science 110 (5-6), 01-11, 2014
882014
Bioassessment of the ecological integrity of river ecosystems using aquatic macroinvertebrates: an overview with a focus on South Africa
DJ Ollis, HF Dallas, KJ Esler, C Boucher
African Journal of Aquatic Science 31 (2), 205-227, 2006
842006
River health programme: South African scoring system (SASS) data interpretation guidelines
HF Dallas
Report produced for the Department of Water Affairs and Forestry (Resource …, 2007
822007
Tanzania River Scoring System (TARISS): a macroinvertebrate-based biotic index for rapid bioassessment of rivers
LT Kaaya, JA Day, HF Dallas
African Journal of Aquatic Science 40 (2), 109-117, 2015
662015
Ecological status assessment in mediterranean rivers: complexities and challenges in developing tools for assessing ecological status and defining reference conditions
HF Dallas
Hydrobiologia 719 (1), 483-507, 2013
662013
The influence of biotope availability on macroinvertebrate assemblages in South African rivers: implications for aquatic bioassessment
HF Dallas
Freshwater biology 52 (2), 370-380, 2007
652007
Sublethal effects of temperature on freshwater organisms, with special reference to aquatic insects
HF Dallas, V Ross-Gillespie
Water Sa 41 (5), 712-726, 2015
622015
Seasonal variability of macroinvertebrate assemblages in two regions of South Africa: implications for aquatic bioassessment
HF Dallas
African Journal of Aquatic Science 29 (2), 173-184, 2004
562004
Upper thermal limits of aquatic macroinvertebrates: comparing critical thermal maxima with 96-LT50 values
HF Dallas, ZA Ketley
Journal of Thermal Biology 36 (6), 322-327, 2011
472011
A comparison of rapid bioassessment protocols used in 2 regions with Mediterranean climates, the Iberian Peninsula and South Africa
N Bonada, H Dallas, M Rieradevall, N Prat, J Day
Journal of the North American Benthological Society 25 (2), 487-500, 2006
472006
Towards setting environmental water temperature guidelines: A South African example
NA Rivers-Moore, HF Dallas, C Morris
Journal of environmental management 128, 380-392, 2013
452013
Spatial variability in macroinvertebrate assemblages: comparing regional and multivariate approaches for classifying reference sites in South Africa
HF Dallas
African Journal of Aquatic Science 29 (2), 161-171, 2004
442004
Water quality for aquatic ecosystems: tools for evaluating regional guidelines
DEG Dallas HF, Day JA, Musibono DE
Water Research Commission, 1998
44*1998
Natural variation in macroinvertebrate assemblages and the development of a biological banding system for interpreting bioassessment data—a preliminary evaluation using data …
HF Dallas, JA Day
Hydrobiologia 575 (1), 231-244, 2007
412007
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