Selected Publications

2010

Winker H, Ellender BR, Weyl OLF, Booth AJ (2010) Validation of growth zone deposition in otoliths of two large endemic cyprinids in Lake Gariep, South Africa. African Zoology 45(1): 133-138.

 

Ellender BR, Weyl OLF, Winker H, Booth AJ (2010) Quantifying the annual fish harvest from South Africa's largest freshwater reservoir. Water SA 36(1) 45-51.

Ellender BR, Weyl OLF, Winker H, Stelzhammer H, Traas GRL. 2010. Estimating angling effort and participation in a multi-user, inland fishery in South Africa.

2009

Weyl OLF, Stadtlander T, Booth AJ (2009) Establishment of translocated populations of smallmouth yellowfish, Labeobarbus aeneus (Pisces: Cyprinidae) in lentic and lotic habitats within the Great Fish River system, South Africa. African Zoology 44, 93-105.

Ellender BR, Weyl OLF, Winker H (2009). Who uses the fisheries resources in South Africa's largest impoundment? Characterising subsistence and recreational fishing sectors on Lake Gariep. Water SA 35(5): 677-682

 Filmalter JD, Weyl OLF, Sauer WH (2009) Otoliths and vertebrae as potential hard structures for ageing South African yellowfin tuna Thunnus albacares. African Journal of Marine Science 2009, 31(2): 271–276

 Richardson TJ, Booth AJ, Weyl OLF (2009) Rapid assessment of the fishery potential of Xonxa Dam near Queenstown, South Africa. African Journal of Aquatic Science. 34(1): 87-96.

2008
Ellender BR, Weyl OLF, Shanyengange M.K., Cowley PD (2008) Juvenile population dynamics of Oreochromis mossambicus in an intermittently open estuary at the limit of its natural distribution. African Zoology 43(2):277-283.

Weyl, O.L.F., Booth, A.J. (2008) Validation of annulus formation in otoliths of a temperate population of adult African sharptooth catfish Clarias gariepinus (Burchell, 1822) using fluorochrome marking of wild fish. Journal of Fish Biology 73(4): 1033-1038.  DOI: 10.1111/j.1095-8649.2008.01975.x

Weyl OLF (2008) Rapid invasion of a subtropical lake fishery in central Mozambique by Nile tilapia, Oreochromis niloticus (Pisces: Cichlidae). Aquatic Conservation Marine and Freshwater Ecosystems. 18: 839-851. DOI:10.1002/aqc.897

Booth A.J., Weyl, O.L.F. (2008) Retention of T-bar anchor and dart tags in a wild population of African sharptooth catfish, Clarias gariepinus. Fisheries Research 92: 333-339

2007
Whitehead A, Weyl OLF & Bills R (2007) Reproductive and feeding biology of the endangered fiery redfin, Pseudobarbus phlegethon (Barnard, 1938) (Teleostei: Cyprinidae), in the Noordhoeks River, South Africa. African Journal of Aquatic Science, 32(3): 99-111. doi: 10.2989/AJAS.2007.32.3.8.307

Weyl OLF, Potts W, Britz P, & Rouhani Q. (2007) The need for inland fisheries policy in South Africa: a case study of the North West Province. Water SA. 33(4): 497-504.

2005-2006
Weyl O.L.F. & Lewis H. (2006) First record of predation by the alien invasive freshwater fish Micropterus salmoides L. (Centrarchidae) on migrating estuarine fishes in South Africa. African Zoology 41(2): 294-296.

Weyl, O.L.F., Booth, A.J., Mwakiyongo, K. & Banda, M.M. (2005) Per-recruit simulation as a rapid assessment tool for a multi-species small-scale fishery in Lake Malombe, Malawi, Africa.  In: Fisheries assessment and management in data -limited situations. G.H. Kruse, V.F. Gallucci, D.E. Hay, R.I. Perry, R.M. Peterman, T.C. Shirley, P.D. Spencer, B. Wilson &
D. Woodby (Eds). University of Alaska Sea Grant Program AK-SG-05-02. pp 235-254. 
Kanyerere, G.Z., Weyl, O.L.F. and Booth, A.J. (2005). Management advice for Diplotaxodon limnothrissa in the southeast arm of Lake Malawi, based on per-recruit analysis. African Journal of Aquatic Science 30(2) 141-145.

Weyl, O.L.F., Nyasulu, T. & Rusuwa, B. (2005)  Assessment of catch, effort and species changes in the pair trawl fishery of southern Lake Malawi, Malawi, Africa. Fisheries Management and Ecology  12: 395-402

Kanyerere, G.Z., Weyl, O.L.F. and Booth, A.J. (2005) Growth, reproduction and population structure of Diplotaxodon limnothrissa in the southeast arm of Lake Malawi. African Journal of Aquatic Science. 30(1): 37–44.

Weyl O.L.F., Booth, A.J., Mwakiyongo K.R and Mandere D.S. (2005) Management recommendations for Copadichromis chrysonotus (PISCES: Cichlidae) in Lake Malombe, Malawi, based on per-recruit analysis. Fisheries Research 71: 165-173.

Selected others
2002-2004
Weyl OLF, Kazembe J, Booth AJ & Mandere, DS (2004) An assessment of a light attraction fishery in southern Lake Malawi. African Journal of Aquatic Science 29(1): 1-11.

Weyl, OLF, Mwakiyongo K.R and Mandere D.S. (2004) An assessment of the nkacha net fishery of Lake Malombe, Malawi. African Journal of Aquatic Science. 29(1): 47-55.

Booth, A.J & Weyl, O.L.F. (2004) Investigations into a potential directed fishery for Labeo cylindricus in Lake Chicamba, Mozambique. African Zoology. 39(1): 77-90.

Bills, R & O.L.F. Weyl (2002). A new Chetia (Teleostei: Cichlidae) from the Lecitu River, Buzi system, Mozambique. JLB Smith Institute, Special Publication 1: 1-11.

1995-2000
Booth, A. J. & Weyl, O.L.F. (2000) Histological validation of macroscopic staging criteria for Labeo cylindricus (Pisces: Cyprinidae). Journal of African Zoology 35(2): 223-231.

Weyl, O.L.F & Booth, A.J. (1999) On the life history of a Cyprinid fish Labeo cylindricus. Environmental Biology of Fishes. 55: 215-225.

Weyl, O.L.F & Hecht, T. (1998) A successful population of largemouth bass, Micropterus salmoides, in a subtropical lake in Mozambique. Environmental Biology of Fishes. 54: 53 - 66.

Weyl, O.L.F. & Hecht, T. (1998) The biology of Tilapia rendalli and Oreochromis mossambicus (Pisces: Cichlidae) in a subtropical lake in Mozambique. South African Journal of Zoology. 33(3):178 - 188.

Weyl, O., Kaiser, H. & Hecht, T.  (1996) Breath holding in tilapia Oreochromis mossambicus. South African Journal of Science. 92: 152-154.

Weyl, O., Kaiser, H. & Hecht, T.  (1996) On the efficacy and mode of action of 2-phenoxyethanol as an anaesthetic for goldfish, Carassius auratus (L.), at different temperatures and concentrations. Aquaculture Research. 27: 757-764.

Kaiser, H., Weyl, O. & Hecht, T. (1995) Observations on agonistic behaviour in Clarias gariepinus larvae and juveniles, under different densities and feeding frequencies in a controlled environment. Journal of Applied Ichthyology.11: 25-36.

Kaiser, H., Weyl, O., & Hecht, T.  (1995) The effect of socking density on growth, survival and agonistic behaviour of African catfish.  Aquaculture International 3: 217-225.