Works by O'Brien, Gordon

Results: 48

Environmental drivers of ichthyofauna community composition of the river ecosystems draining the Lake St. Lucia basin, South Africa.

Published in:

Hydrobiologia, 2021, v. 848, n. 15, p. 3539, doi. 10.1007/s10750-021-04609-7

By:

Desai, Mahomed;
Hanzen, Céline;
Downs, Colleen T.;
O'Brien, Gordon C.

Publication type:

Article

Bayesian Network Applications for Sustainable Holistic Water Resources Management: Modeling Opportunities for South Africa.

Published in:

Risk Analysis: An International Journal, 2022, v. 42, n. 6, p. 1346, doi. 10.1111/risa.13798

By:

Govender, Indrani Hazel;
Sahlin, Ullrika;
O'Brien, Gordon C.

Publication type:

Article

Regional Scale Risk to the Ecological Sustainability and Ecosystem Services of an African Floodplain System.

Published in:

Risk Analysis: An International Journal, 2021, v. 41, n. 10, p. 1925, doi. 10.1111/risa.13689

By:

O'Brien, Gordon;
Smit, Nico J;
Wepener, Victor

Publication type:

Article

Macrobenthic Communities in Selected River-Dominated Estuaries in KwaZulu-Natal, South Africa: Effects of Contrasting Environmental Variables and Seasonal Flow Changes.

Published in:

Journal of Coastal Research, 2020, v. 36, n. 5, p. 992

By:

Vezi, Madonna S.;
Downs, Colleen T.;
Wepener, Victor;
O'Brien, Gordon

Publication type:

Article

Distortion in Unemployment Research: The Early Studies of Bakke and Their Implications for Current Research on Employment and Unemployment.

Published in:

Human Relations, 1985, v. 38, n. 9, p. 877, doi. 10.1177/001872678503800904

By:

O'Brien, Gordon E.

Publication type:

Article

The Relative Contribution of Perceived Skill-Utilization and Other Perceived Job Attributes to the Prediction of Job Satisfaction: A Cross-Validation Study.

Published in:

Human Relations, 1982, v. 35, n. 3, p. 219, doi. 10.1177/001872678203500304

By:

O'Brien, Gordon E.

Publication type:

Article

The Effects of Programmed Culture Training upon the Performance of Volunteer Medical Teams in Central America.

Published in:

Human Relations, 1971, v. 24, n. 3, p. 209, doi. 10.1177/001872677102400303

By:

O'Brien, Gordon E.;
Fiedler, Fred E.;
Hewett, Tom

Publication type:

Article

The Effect of Leadership Style Upon the Performance and Adjustment of Volunteer Teams Operating in Stressful Foreign Environment.

Published in:

Human Relations, 1969, v. 22, n. 6, p. 503, doi. 10.1177/001872676902200602

By:

Fiedler, Fred E.;
O'Brien, Gordon E.;
Ilgen, Daniel R.

Publication type:

Article

A Mathematical Model for Structural Role Theory, III.

Published in:

Human Relations, 1967, v. 20, n. 1, p. 83, doi. 10.1177/001872676702000107

By:

Oeser, O.A.;
O'Brien, Gordon

Publication type:

Article

Looking for employment: An expectancy-valence analysis of job-seeking behaviour among young people.

Published in:

British Journal of Psychology, 1987, v. 78, n. 2, p. 251, doi. 10.1111/j.2044-8295.1987.tb02244.x

By:

Feather, N.T.;
O'Brien, Gordon E.

Publication type:

Article

Stress and the Leisure Needs and Activities of Different Occupations.

Published in:

Human Relations, 1986, v. 39, n. 10, p. 903, doi. 10.1177/001872678603901002

By:

Kabanoff, Boris;
O'Brien, Gordon E.

Publication type:

Article

Get it before it gets to my catch: misdirection traps to mitigate against socioeconomic impacts associated with crayfish invasion.

Published in:

Management of Biological Invasions, 2023, v. 14, n. 2, p. 335, doi. 10.3391/mbi.2023.14.2.10

By:

Madzivanzira, Takudzwa C.;
Chakandinakira, Adroit T.;
Mungenge, Chipo P.;
O'Brien, Gordon;
Dalu, Tatenda;
South, Josie

Publication type:

Article

Functional Responses and Additive Multiple Predator Effects of Two Common Wetland Fish.

Published in:

Water (20734441), 2022, v. 14, n. 5, p. N.PAG, doi. 10.3390/w14050699

By:

Munyai, Linton F.;
Dalu, Tatenda;
Wasserman, Ryan J.;
Mugwedi, Lutendo;
Dondofema, Farai;
O'Brien, Gordon;
Cuthbert, Ross N.

Publication type:

Article

Measures to safeguard and restore river connectivity.

Published in:

Environmental Reviews, 2024, v. 32, n. 3, p. 366, doi. 10.1139/er-2023-0019

By:

Thieme, Michele;
Birnie-Gauvin, Kim;
Opperman, Jeffrey J.;
Franklin, Paul A.;
Richter, Holly;
Baumgartner, Lee;
Ning, Nathan;
Vu, An Vi;
Brink, Kerry;
Sakala, Michael;
O'Brien, Gordon C.;
Petersen, Robin;
Tongchai, Pakkasem;
Cooke, Steven J.

Publication type:

Article

Accelerating environmental flow implementation to bend the curve of global freshwater biodiversity loss.

Published in:

Environmental Reviews, 2024, v. 32, n. 3, p. 387, doi. 10.1139/er-2022-0126

By:

Arthington, Angela H.;
Tickner, David;
McClain, Michael E.;
Acreman, Mike C.;
Anderson, Elizabeth P.;
Babu, Suresh;
Dickens, Chris W.S.;
Horne, Avril C.;
Kaushal, Nitin;
Monk, Wendy A.;
O'Brien, Gordon C.;
Olden, Julian D.;
Opperman, Jeffrey J.;
Owusu, Afua G.;
LeRoy Poff, N.;
Richter, Brian D.;
Salinas-Rodríguez, Sergio A.;
Shamboko Mbale, Beauty;
Tharme, Rebecca E.;
Yarnell, Sarah M.

Publication type:

Article

A regional scale ecological risk framework for environmental flow evaluations.

Published in:

Hydrology & Earth System Sciences Discussions, 2017, p. 1, doi. 10.5194/hess-2017-37

By:

O'Brien, Gordon C.;
Dickens, Chris;
Hines, Eleanor;
Wepener, Victor;
Stassen, Retha;
Landis, Wayne G.

Publication type:

Article

Genetic assessment of farmed Oreochromis mossambicus populations in South Africa.

Published in:

PeerJ, 2025, p. 1, doi. 10.7717/peerj.18877

By:

Mashaphu, Mahlatse Fortunate;
O'Brien, Gordon Craig;
Downs, Colleen Thelma;
Willows-Munro, Sandi

Publication type:

Article

If a fish comes out of the river and speaks, we should believe it: South African perspective on fish kills.

Published in:

River Research & Applications, 2025, v. 41, n. 2, p. 426, doi. 10.1002/rra.4359

By:

Burnett, Matthew J.;
O'Brien, Gordon C.;
Blackmore, Andrew;
Wade, Melissa;
Downs, Colleen T.

Publication type:

Article

Detecting changes in fish behaviour in real time to alert managers to thresholds of potential concern.

Published in:

River Research & Applications, 2024, v. 40, n. 1, p. 129, doi. 10.1002/rra.4214

By:

Burnett, Matthew J.;
Süßle, Vanessa;
Saayman, Terence;
Jewitt, Graham;
O'Brien, Gordon C.;
Downs, Colleen T.

Publication type:

Article

The nature of our mistakes, from promise to practice: Water stewardship for sustainable hydropower in Sub‐Saharan Africa.

Published in:

River Research & Applications, 2021, v. 37, n. 10, p. 1538, doi. 10.1002/rra.3849

By:

O'Brien, Gordon C.;
Mor, Christoph;
Buhl‐Nielsen, Eric;
Dickens, Christopher W.S.;
Olivier, Anton‐Louis;
Cullis, James;
Shrestha, Padmendra;
Pitts, Hannah;
Baleta, Hannah;
Rea, Daniel

Publication type:

Article

Movement response of Orange-Vaal largemouth yellowfish (Labeobarbus kimberleyensis) to water quality and habitat features in the Vaal River, South Africa.

Published in:

Environmental Biology of Fishes, 2018, v. 101, n. 6, p. 997, doi. 10.1007/s10641-018-0754-y

By:

Ramesh, T.;
Downs, Colleen T.;
O’Brien, Gordon C.

Publication type:

Article

Fish telemetry in African inland waters and its use in management: a review.

Published in:

2021

By:

Burnett, Matthew J.;
O'Brien, Gordon C.;
Jacobs, Francois J.;
Jewitt, Graham;
Downs, Colleen T.

Publication type:

Literature Review

The Development of Equipment to Measure Mesh Erosion of Soft Tissue.

Published in:

Materials (1996-1944), 2021, v. 14, n. 4, p. 941, doi. 10.3390/ma14040941

By:

Schmidt, Amanda;
O'Brien, Gordon;
Taylor, David;
Vozzi, Giovanni

Publication type:

Article

Sustainable Floodplains: Linking E-Flows to Floodplain Management, Ecosystems, and Livelihoods in the Sahel of North Africa.

Published in:

Sustainability (2071-1050), 2020, v. 12, n. 24, p. 10578, doi. 10.3390/su122410578

By:

O'Brien, Gordon C.;
Dickens, Chris;
Baker, Chris;
Stassen, Retha;
van Weert, Frank

Publication type:

Article

Defining and Quantifying National-Level Targets, Indicators and Benchmarks for Management of Natural Resources to Achieve the Sustainable Development Goals.

Published in:

Sustainability (2071-1050), 2019, v. 11, n. 2, p. 462, doi. 10.3390/su11020462

By:

Dickens, Chris;
Smakhtin, Vladimir;
McCartney, Matthew;
O'Brien, Gordon;
Dahir, Lula

Publication type:

Article

Risk Assessment of Water Quantity and Quality Stressors to Balance the Use and Protection of Vulnerable Water Resources.

Published in:

Integrated Environmental Assessment & Management, 2021, v. 17, n. 1, p. 110, doi. 10.1002/ieam.4356

By:

Wade, Melissa;
O'Brien, Gordon C;
Wepener, Victor;
Jewitt, Graham

Publication type:

Article

Temporal movement of free-swimming fishes and their response to environmental variables in some of the rivers of Kruger National Park, South Africa.

Published in:

Environmental Biology of Fishes, 2022, v. 105, n. 1, p. 19, doi. 10.1007/s10641-021-01178-5

By:

Burnett, Matthew J.;
O'Brien, Gordon C.;
Sonamzi, Bayanda;
Wepener, Victor;
Downs, Colleen T.

Publication type:

Article

Temporal and spatial ecology of an iconic Labeobarbus spp. in a socio-economically important river.

Published in:

Environmental Biology of Fishes, 2021, v. 104, n. 9, p. 1103, doi. 10.1007/s10641-021-01140-5

By:

Burnett, Matthew J.;
O'Brien, Gordon C.;
Jewitt, Graham;
Downs, Colleen T.

Publication type:

Article

Spatial ecology of freshwater eels in South Africa: implications for conservation.

Published in:

Hydrobiologia, 2021, v. 848, n. 10, p. 2579, doi. 10.1007/s10750-021-04581-2

By:

Hanzen, Céline;
Lucas, Martyn C.;
O'Brien, Gordon;
Calverley, Peter;
Downs, Colleen T.

Publication type:

Article

Macroinvertebrate taxa display increased fidelity to preferred biotopes among disturbed sites in a hydrologically variable tropical river.

Published in:

Hydrobiologia, 2021, v. 848, n. 2, p. 321, doi. 10.1007/s10750-020-04437-1

By:

Masese, Frank O.;
Achieng, Alfred O.;
O'Brien, Gordon C.;
McClain, Michael E.

Publication type:

Article

Slippery customers for conservation: Distribution and decline of anguillid eels in South Africa.

Published in:

Aquatic Conservation, 2022, v. 32, n. 8, p. 1277, doi. 10.1002/aqc.3823

By:

Hanzen, Céline C.;
Lucas, Martyn C.;
Weyl, Olaf L.F.;
Marr, Sean M.;
O'Brien, Gordon;
Downs, Colleen T.

Publication type:

Article

Efficient Modelling of Acoustic Metamaterials for the Performance Enhancement of an Automotive Silencer.

Published in:

Acoustics (2624-599X), 2022, v. 4, n. 2, p. 329, doi. 10.3390/acoustics4020020

By:

Deery, Daniel;
Flanagan, Lara;
O'Brien, Gordon;
Rice, Henry J.;
Kennedy, John

Publication type:

Article

Implications of the movement behaviour of African tigerfish Hydrocynus vittatus for the design of freshwater protected areas.

Published in:

Journal of Fish Biology, 2020, v. 96, n. 5, p. 1260, doi. 10.1111/jfb.14158

By:

Jacobs, Francois J.;
Næsje, Tor F.;
Ulvan, Eva M.;
Weyl, Olaf L. F.;
Tiyeho, Deon;
Hay, Clinton J.;
O'Brien, Gordon C.;
Downs, Colleen T.

Publication type:

Article

The future of fish passage science, engineering, and practice.

Published in:

Fish & Fisheries, 2018, v. 19, n. 2, p. 340, doi. 10.1111/faf.12258

By:

Silva, Ana T.;
Lucas, Martyn C.;
Castro-Santos, Theodore;
Katopodis, Christos;
Baumgartner, Lee J.;
Thiem, Jason D.;
Aarestrup, Kim;
Pompeu, Paulo S.;
O'Brien, Gordon C.;
Braun, Douglas C.;
Burnett, Nicholas J.;
Zhu, David Z.;
Fjeldstad, Hans-Petter;
Forseth, Torbjørn;
Rajaratnam, Nallamuthu;
Williams, John G.;
Cooke, Steven J.

Publication type:

Article

Presence And Temporal Activities Of Serrated Hinged Terrapin (Pelusios sinuatus) And Marsh Terrapin (Pelomedusa galeata) In KwaZulu-Natal, South Africa, Assessed Using Telemetry.

Published in:

Tropical Conservation Science, 2022, v. 15, p. 1, doi. 10.1177/19400829221074241

By:

Price, Cormac;
Burnett, Matthew J;
O'Brien, Gordon;
Downs, Colleen T

Publication type:

Article

Presence And Temporal Activities Of Serrated Hinged Terrapin (Pelusios sinuatus) And Marsh Terrapin (Pelomedusa galeata) In KwaZulu-Natal, South Africa, Assessed Using Telemetry.

Published in:

Tropical Conservation Science, 2022, v. 15, p. 1, doi. 10.1177/19400829221074241

By:

Price, Cormac;
Burnett, Matthew J;
O'Brien, Gordon;
Downs, Colleen T

Publication type:

Article

Presence And Temporal Activities Of Serrated Hinged Terrapin (Pelusios sinuatus) And Marsh Terrapin (Pelomedusa galeata) In KwaZulu-Natal, South Africa, Assessed Using Telemetry.

Published in:

Tropical Conservation Science, 2022, v. 15, p. 1, doi. 10.1177/19400829221074241

By:

Price, Cormac;
Burnett, Matthew J.;
O’Brien, Gordon;
Downs, Colleen T.

Publication type:

Article

ASPECTS OF THE ECOLOGY OF TWO TERRAPIN SPECIES (PELOMEDUSA GALEATA AND PELUSIOS SINUATUS) IN KWAZULU-NATAL, SOUTH AFRICA.

Published in:

African Herp News, 2019, n. 72, p. 82

By:

Price, Cormac;
O'Brien, Gordon;
Willows-Munro, Sandi;
Downs, Colleen T.

Publication type:

Article

Potential for a commercial inland fishery or just another water storage facility at Spring Grove Dam, KwaZulu-Natal, South Africa?

Published in:

African Journal of Aquatic Science, 2024, v. 49, n. 2, p. 145, doi. 10.2989/16085914.2024.2373096

By:

Burnett, Matthew J;
Hanzen, Céline;
Whitehead, Alex;
O'Brien, Gordon C;
Downs, Colleen T

Publication type:

Article

Assessing fish community response to water quality and habitat stressors in KwaZulu-Natal, South Africa.

Published in:

African Journal of Aquatic Science, 2022, v. 47, n. 1, p. 47, doi. 10.2989/16085914.2021.1952158

By:

Evans, Wesley;
Downs, Colleen T;
Burnett, Matthew J;
O'Brien, Gordon C

Publication type:

Article

A regional-scale ecological risk framework for environmental flow evaluations.

Published in:

Hydrology & Earth System Sciences, 2018, v. 22, n. 2, p. 957, doi. 10.5194/hess-22-957-2018

By:

O'Brien, Gordon C.;
Dickens, Chris;
Hines, Eleanor;
Wepener, Victor;
Stassen, Retha;
Quayle, Leo;
Fouchy, Kelly;
MacKenzie, James;
Graham, P. Mark;
Landis, Wayne G.

Publication type:

Article

Editorial: Advances in biomonitoring of African aquatic ecosystems, volume II.

Published in:

2024

By:

Arimoro, Francis O.;
Masese, Frank O.;
O'Brien, Gordon C.

Publication type:

Editorial

Spatial shifts and habitat partitioning of ichthyofauna within the middle–lower region of the Pungwe Basin, Mozambique.

Published in:

Journal of Freshwater Ecology, 2019, v. 34, n. 1, p. 685, doi. 10.1080/02705060.2019.1673221

By:

Desai, Mahomed;
Husted, Andrew;
Fry, Christian;
Downs, Colleen T.;
O'Brien, Gordon C.

Publication type:

Article

Fishmeal Replacement with Animal Protein Source (Crocodylus niloticus Meat Meal) in Diets of Mozambique Tilapia (Oreochromis mossambicus) of Different Size Groups.

Published in:

Applied Sciences (2076-3417), 2022, v. 12, n. 14, p. 7211, doi. 10.3390/app12147211

By:

Luthada-Raswiswi, Rendani Winnie;
O'Brien, Gordon;
Mukaratirwa, Samson

Publication type:

Article

Animal Protein Sources as a Substitute for Fishmeal in Aquaculture Diets: A Systematic Review and Meta-Analysis.

Published in:

Applied Sciences (2076-3417), 2021, v. 11, n. 9, p. 3854, doi. 10.3390/app11093854

By:

Luthada-Raswiswi, Rendani;
Mukaratirwa, Samson;
O'Brien, Gordon

Publication type:

Article

The status of COI and 12S rRNA DNA barcode reference libraries for freshwater fish in South Africa: Implications for future eDNA projects.

Published in:

African Zoology, 2023, v. 58, n. 3/4, p. 97, doi. 10.1080/15627020.2023.2274334

By:

Mashaphu, Mahlatse F;
O'Brien, Gordon C;
Downs, Colleen T;
Willows-Munro, Sandi

Publication type:

Article

Assessing the effect of tagging and the vulnerability to predation in tigerfish (Hydrocynus vittatus, Castelnau 1861) in a water-stressed system using telemetry methods.

Published in:

Koedoe: African Protected Area Conservation & Science, 2020, v. 62, n. 1, p. 1, doi. 10.4102/koedoe.v62i1.1649

By:

Sonamzi, Bayanda;
Burnett, Matthew;
Petersen, Robin;
O'Brien, Gordon;
Downs, Colleen T.

Publication type:

Article

Conservation of fishes in the Elands River, Mpumalanga, South Africa: Past, present and future.

Published in:

Koedoe: African Protected Area Conservation & Science, 2014, v. 56, n. 1, p. 1, doi. 10.4102/koedoe.v56i1.1118

By:

O'Brien, Gordon C.;
Smit, Nico J.;
Wepener, Victor

Publication type:

Article