Search results

Explore your search results using the filter checkboxes, or amend your search or start a new search.

Displaying results 1 - 46 of 46Click/tap on any title to see full details of the record

Burger R, Hay CJ, Hocutt CH, Jacobs FJ, McHugh KJ, Merron GS, Stauffer JR, Tribelhorn S, van der Waal B, van Zyl B 2025. Inland Fishes and Fisheries of Namibia. Merron GS, Hocutt CH

Downloadable files:

Attachment	Size
Inland Fishes and Fisheries of Namibia.pdf	55.02 MB

Jacobs FJ, Naesje TF, Ulvan EM, Hay CJ, Khaebeb FH, Weyl OLF 2022. Evidence for overfishing of tigerfish Hydrocynus vittatus (Castelnau 1861) in the Kavango River, Namibia. African Journal of Aquatic Science 47 (2) 207-215

Downloadable files:

Attachment	Size
Evidence for overfishing of tigerfish Hydrocynus vittatus in the Okavango River.pdf	435.91 KB

Website link:https://www.tandfonline.com/doi/abs/10.2989/16085914.2022.2041387

Jacobs FJ, Jacobs PG, Hay CJ, Naesje TF 2021. Status update of the endemic and critically endangered cave catfish Clarias cavernicola Trewavas 1936, from the Aigamas Cave system, Namibia. African Journal of Aquatic Science 46 (1) 18-21

Website link:https://www.tandfonline.com/doi/pdf/10.2989/16085914.2020.1787125

Hay CJ, Naesje TF, Jacobs FJ, Simasiku EK, Tweddle D 2020. Results and lessons learned after eight years of monitoring gill net catches in the Zambezi and Chobe rivers.

Downloadable files:

Attachment	Size
Results and lessons learned after eight years of monitoring gill net catches in the Zambezi and Chobe rivers.pdf	2.43 MB

Jacobs FJ, Naesje TF, Ulvan EM, Weyl OLF, Tiyeho D, Hay CJ, O'Brien GC, Downs CT 2019. Implications of the movement behaviour of African tigerfish Hydrocynus vittatus for the design of freshwater protected areas. Journal of Fish Biology 2019 1-9

Website link:https://doi.org/10.1111/jfb.14158

Peel RA, Tweddle D, Simasiku EK, Martin GD, Lubanda J, Hay CJ, Weyl OLF 2015. Ecology, fish and fishery of Lake Liambezi, a recently refilled floodplain lake in the Zambezi Region, Namibia. African Journal of Aquatic Science

Downloadable files:

Attachment	Size
Ecology_fish and fishery of Lake Liambezi_a recently refilled floodplain lake in the Zambezi Region_Namibia.pdf	1 MB

Tweddle D, Hay CJ 2013. A transboundary fisheries management plan for the Okavango/Kavango/Cubango Basin, on behalf of the Governments of Angola, Namibia and Botswana.

Downloadable files:

Attachment	Size
Okavango Transboundary Fisheries Management final August 2013 new REVISED front cover _ V2.pdf	2.99 MB

Tweddle D, Hay CJ 2012. Integrated co-management of the Zambezi/Chobe River Fisheries Resources, January 2010 to December 2012.

Downloadable files:

Attachment	Size
TR 2.8 Final Report.pdf	4.85 MB

Tweddle D, Weyl OLF, Hay CJ, Peel RA, Shapumba N 2011. Lake Liambezi, Namibia: fishing community assumes management responsibility, July 2011.

Downloadable files:

Attachment	Size
TR 2.4 Lake Liambezi version 15 June 2012.pdf	999.31 KB

van der Waal BCW, Hay CJ, Naesje TF 2011. Fishing activities in the Zambezi/Chobe region: Report on 2008 fishery frame survey, February 2011.

Downloadable files:

Attachment	Size
TR 2.3 frame survey final PDF.pdf	2.52 MB

Tweddle D, Hay CJ 2011. Recommendations for modifications to the Inland Fisheries Resources Act, 2003 and associated regulations, October 2011.

Downloadable files:

Attachment	Size
FD 2.4 final PDF act recommendations.pdf	1.21 MB

van der Waal BCW, Hay CJ, Naesje TF 2011. The Katima Mulilo Fish MarketData Analysis, November 2007 – May 2009, February 2011.

Downloadable files:

Attachment	Size
TR 2.2 fish market final PDF.pdf	2.75 MB

Tweddle D, Hay CJ 2011. Data collection and analysis: Report on workshop conducted from 26-27 October 2011, Katima Mulilo, Namibia.

Downloadable files:

Attachment	Size
Data collection and analysis_2011.pdf	833.59 KB

Tweddle D, Hay CJ 2011. Fish Protection Areas: Documentation for their establishment in Sikunga and Impalila Conservancies, December 2011.

Downloadable files:

Attachment	Size
FD 2.6 FPA final document.pdf	2.35 MB

Hay CJ, van der Waal BCW 2009. Summary Report of main findings of the Zambezi/ Chobe fisheries project, July 2006 to July 2009, August 2009.

Downloadable files:

Attachment	Size
FD 1.3 Consolidated Report.pdf	952.26 KB

Tweddle D, Hay CJ, van der Waal BCW 2009. Integrated Management of Zambezi/Chobe River System - Tansboundary Fishery Resource, Namibia/Zambi/Botswana.

Downloadable files:

Attachment	Size
TR 1.3 phase 1 final report final PDF.pdf	865.65 KB

Hay CJ, van der Waal BCW 2009. Analysis of Historic Fisheries Research Data for the Caprivi Region, April 2009.

Downloadable files:

Attachment	Size
TR 1.2 data analysis final PDF.pdf	1.44 MB

Hay CJ, Naesje TF, Thorstad EB 2008. Fish populations, gill net catches and gill net selectivity in the Kunene River, Namibia. 98

Downloadable files:

Attachment	Size
Fish populations_gill net catches and gill net selectivity in the Kunene River.pdf	1.99 MB

Naesje TF, Hay CJ, Nickanor N, Koekemoer J, Strand R, Thorstad EB 2007. Fish populations, gill net catches and gill net selectivity in the Lower Orange River, Namibia, from 1995 to 2001.

Downloadable files:

Attachment	Size
Fish population_Gill net catches_selectivity lower orange river_Namibia_1995-2001.pdf	3.55 MB

Thorstad EB, Hay CJ, Okland F, Nickanor N, Naesje TF 2007. Spatial behaviour and management of greenhead tilapia (Oreochromis macrochir) in the Zambezi River, Namibia.

Downloadable files:

Attachment	Size
Spatial behaviour and management of greenhead tilapia_Zambezi River.pdf	1.31 MB

Abbott J, Campbell LM, Hay CJ, Naesje TF, Ndumba A, Purvis J 2007. Rivers as resources, rivers as borders: community and transboundary management of fisheries in the Upper Zambezi River floodplains. The Canadian Geographer / Le Géographe canadien 51 (3) 280-302

Website link:http://onlinelibrary.wiley.com/doi/10.1111/j.1541-0064.2007.00179.x/abstract

Thorstad EB, Hay CJ, Naesje TF, Chanda B, Okland F 2005. Movements and habitat utilization of nembwe, Serranochromis robustus (Günther, 1864), in the Upper Zambezi River. African Zoology 40 (2) 253-259

Website link:http://journals.co.za/content/afzoo/40/2/EJC17969

Okland F, Thorstad EB, Hay CJ, Naesje TF, Chanda B 2005. Patterns of movement and habitat use by tigerfish (Hydrocynus vittatus) in the Upper Zambezi River (Namibia). Ecology of Freshwater Fish 14 (1) 79-86

Website link:http://onlinelibrary.wiley.com/doi/10.1111/j.1600-0633.2004.00080.x/abstract

Thorstad EB, Hay CJ, Naesje TF, Chanda B, Okland F 2003. Space use and habitat utilisation of tigerfish and the two cichlid species nembwe and threespot tilapia in the Upper Zambezi River - Implications for fisheries management.

Downloadable files:

Attachment	Size
Space use and habitat utilisation of tigerfish and the two cichlid species.pdf	3.27 MB

Thorstad EB, Hay CJ, Naesje TF, Chanda B, Okland F 2003. Movements and habitat utilisation of threespot tilapia in the Upper Zambezi River - Implications for fisheries management.

Downloadable files:

Attachment	Size
Movements and habitat utilisation of threespot tilapia in the upper Zambezi River.pdf	1.65 MB

Okland F, Hay CJ, Naesje TF, Nickandor N, Thorstad EB 2003. Learning from unsuccessful radio tagging of common carp in a Namibian reservoir. Journal of Fish Biology 62 (3) 735-739

Website link:http://onlinelibrary.wiley.com/doi/10.1046/j.1095-8649.2003.00043.x/abstract

Thorstad EB, Hay CJ, Naesje TF, Chanda B, Okland F 2002. Movements and habitat utilisation of tigerfish (Hydrocynus vittatus) in the Upper Zambezi River - Implications for fisheries management.

Downloadable files:

Attachment	Size
Movements and habitat utilisation of tigerfish in the upper Zambezi River.pdf	2.48 MB

Økland F, Hay CJ, Naesje TF, Thorstad EB, Nickandor N 2001. Movements and habitat utilisation of radio tagged carp (Cyprinus carpio) in a reservoir in the Fish River, Namibia. 1-28

Downloadable files:

Attachment	Size
Movements and habitat utilisation of radio tagged carp.pdf	5.44 MB

Naesje TF, Hay CJ, Kapirika S, Sandlund OT, Thorstad EB 2001. Some ecological and socio-economic impacts of an angling competition in the Zambezi River, Namibia. 1-31

Downloadable files:

Attachment	Size
Some ecological and socio_economic impacts of an angling competition in the Zambezi River.pdf	3.63 MB

Thorstad EB, Hay CJ, Naesje TF, Okland F 2001. Movements and habitat utilization of three cichlid species in the Zambezi River, Namibia. Ecology of Freshwater Fish 10 (4) 238-246

Website link:http://onlinelibrary.wiley.com/doi/10.1034/j.1600-0633.2001.100406.x/abstract

Hay CJ, Naesje TF, Breitstein J, Harsaker K, Kolding J, Sandlund OT, van Zyl B 2000. Fish populations, gill net selectivity, and artisinal fisheries in the Okavango River, Namibia. Executive summary and recommendations. 1-8

Downloadable files:

Attachment	Size
Fish populations_gill net selectivity_and artisinal fisheries in the Okavango River.pdf	4 MB

Okland F, Hay CJ, Naesje TF, Thorstad EB 2000. Movements and Habitat utilisation of cichlids in the Zambezi River, Namibia - a radio telemetry study in 1999-2000. 1-18

Downloadable files:

Attachment	Size
Movements and Habitat utilisation of cichlids in the Zambezi River.pdf	4.44 MB

Downloadable files:

Attachment	Size
Fish_populations_gill_net_selectivity_and_artisanal_fisheries_in_the_Okavango_River_Namibia_Hay_et_al.pdf	7.15 MB

Hay CJ, van Zyl BJ, van der Bank FH, Ferreira JT, Steyn GJ 1999. The distribution of freshwater fish in Namibia. Cimbebasia 15 41-63

Downloadable files:

Attachment	Size
The_Distribution_of_freshwater_fish_in_Namibia.pdf	1.34 MB

Curtis B, Roberts KS, Griffin M, Bethune S, Hay CJ, Kolberg H 1998. Species richness and conservation of Namibian freshwater macro-invertebrates, fish and amphibians. Biodiversity and Conservation 7 447 - 466

Downloadable files:

Attachment	Size
Curtis et al freshwater macroinvertebrates, fish and amphibians.pdf	288.49 KB

van Zyl BJ, Oelofsen BW, Hay CJ 1998. An overview of management of inland fisheries. Focus on Fisheries and Research (January 1998) 149-150

Downloadable files:

Attachment	Size
An overview of management of inland fisheries.pdf	2.27 MB

Hay CJ, van Zyl BJ, van der Bank FH, Ferreira JT, Steyn GJ 1997. A Survey of the fishes of the Kunene River, Namibia. Madoqua 19 (2) 129-141

Downloadable files:

Attachment	Size
A survey of the fishes in the Kunene River_1997.pdf	1.82 MB

van Zyl BJ, Hay CJ, Steyn GJ 1997. The successful introduction of Oreochromis mossambicus in salt pans along the Namib coast. Madoqua 19 (2) 87-89

Downloadable files:

Attachment	Size
The successful introduction of Oreochromis mossambicus_salt pans_Namib coast.pdf	537.31 KB

Hay CJ, van Zyl BJ, Steyn GJ 1997. Ecology of Synodontis nigromaculatus (Pisces: Mochokidae) from the Okavango River, Namibia. Journal of African Zoology 111 (5) 355-363

Downloadable files:

Attachment	Size
Ecology_of_Synodontis_nigromaculatus_(Pisces,_Mochokidae)_from_the_Okavango_River,_Namibia.pdf	607.53 KB

Hay CJ, van der Bank FH, Ferreira JT 1997. Aspects of the ecology of Barbus hospes from the Fish River, Namibia. Madoqua 19 (2) 95-97

Downloadable files:

Attachment	Size
Aspects of the ecology of Barbus hospes from the Fish River_1997.pdf	269.4 KB

Hay CJ, van der Bank FH, Ferreira JT 1997. The effect of the artificial linkage between the Kunene River and the Cuvelei System on the fish Fauna in Owambo, Namibia. Madoqua 19 (2) 99-105

Downloadable files:

Attachment	Size
The effect of the artificial linkage_Kunene River_Cuvelai system on fish and fauna in Owambo.pdf	725.12 KB

Hay CJ, van Zyl BJ, Steyn GJ 1996. A quantitative assessment of the biotic integrity of the Okavango River, Namibia, based on fish. Water SA 22 (3) 263-284

Downloadable files:

Attachment	Size
A quantative assessment of biotic integrity Okavango River_1996.pdf	1.26 MB

Hay CJ 1995. The development of a database for the assessment of the biotic integrity and sustainable utilisation of the Okavango River, Namibia.

Hay CJ 1991. The distribution of fish in the Fish River, Namibia. Madoqua 17 (2) 211-215

Downloadable files:

Attachment	Size
The distribution of fish in the Fish River.pdf	705.37 KB

Naesje TF, Hay CJ, Nickanor N, Koekemoer JH, Strand R, Thorstad EB Fish populations, gill net catches and gill net selectivity in the Kwando River, Namibia. 64

Downloadable files:

Attachment	Size
Fish_populations_in_the_Kwando_River_Namibia.pdf	2.33 MB

Tweddle D, Hay CJ Integrated co-management of the Zambezi/Chobe River Fisheries Resources Project. Project proposal: Phase 2 January 2010 – December 2012.

Downloadable files:

Attachment	Size
FD 2.1 project proposal.pdf	1.21 MB

Not found what you are looking for? Amend your search...