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Fiskeribiologi

Livshistorie teori

Limnologi

Forvaltning

MNF 115 - Naturfagleg perspektiv på bærekraftig utvikling

MAR 230 - Fiskeriøkologi

MAR 339 - Fiskerimodeller

Vitenskapelig artikkel
  • Vis forfatter(e) 2021. Targeted risk assessment of mercury exposure of recreational fishers: Are nephrops fishers in Norway at risk? Environmental science and pollution research international. 50316-50328.
  • Vis forfatter(e) 2021. Anchovy powder enrichment in brown rice-based instant cereal: a process optimization study using Response Surface Methodology (RSM). Food Science & Nutrition. 4484-4496.
  • Vis forfatter(e) 2020. Nutrient and chemical contaminant levels in five marine fish species from Angola—The EAF-Nansen programme. Foods. 1-19.
  • Vis forfatter(e) 2020. Exploring balanced harvesting by using an Atlantis ecosystem model for the Nordic and Barents seas. Frontiers in Marine Science. 18 sider.
  • Vis forfatter(e) 2020. Effects of climate and land-use changes on fish catches across lakes at a global scale. Nature Communications. 1-14.
  • Vis forfatter(e) 2019. Sequential analysis and design of fixed-precision sampling of lake kariba fishes using taylor?s power law. Canadian Journal of Fisheries and Aquatic Sciences. 904-917.
  • Vis forfatter(e) 2019. Nearshore fish aggregating devices show positive outcomes for sustainable fisheries development in Timor-Leste. Frontiers in Marine Science.
  • Vis forfatter(e) 2019. Balanced harvest: concept, policies, evidence, and management implications. Reviews in Fish Biology and Fisheries. 711-733.
  • Vis forfatter(e) 2019. Assessing the exploitation status of main fisheries resources in Ghana’s reservoirs based on reconstructed catches and a length-based bootstrapping stock assessment method. Lake and reservoir management. 415-434.
  • Vis forfatter(e) 2018. Water level fluctuations and the ecosystem functioning of lakes. Journal of Great Lakes research. 1154-1163.
  • Vis forfatter(e) 2017. Taylor’s power law and fixed precision sampling: application to abundance of fish sampled by gillnets in an African lake. Canadian Journal of Fisheries and Aquatic Sciences. 87-100.
  • Vis forfatter(e) 2017. Fisheries and water level fluctuations in the world's largest desert lake. Ecohydrology. 1-16.
  • Vis forfatter(e) 2017. Fish community dynamics in an inland floodplain system of the Okavango Delta, Botswana. International Journal of Ecohydrology and Hydrobiology. 89-102.
  • Vis forfatter(e) 2017. Effects of ambient oxygen and size-selective mortality on maturation and growth in guppies. Conservation Physiology. 1-13.
  • Vis forfatter(e) 2016. The Nile perch invasion in Lake Victoria: cause or consequence of the haplochromine decline? Canadian Journal of Fisheries and Aquatic Sciences. 622-643.
  • Vis forfatter(e) 2016. Maximizing fisheries yields while maintaining community structure. Canadian Journal of Fisheries and Aquatic Sciences. 644-655.
  • Vis forfatter(e) 2016. Fisheries, the inverted food pyramid. ICES Journal of Marine Science. 1697-1713.
  • Vis forfatter(e) 2016. Balanced harvesting can emerge from fishing decisions by individual fishers in a small-scale fishery. Fish and Fisheries. 212-225.
  • Vis forfatter(e) 2016. Balanced exploitation and coexistence of interacting, size-structured, fish species. Fish and Fisheries. 281-302.
  • Vis forfatter(e) 2015. Squaring the circle: Reconciling fishing and conservation of aquatic ecosystems. Fish and Fisheries. 160-174.
  • Vis forfatter(e) 2014. Sustainable fishing of inland waters. Journal of Limnology. 132-148.
  • Vis forfatter(e) 2014. Coupled human and natural system dynamics as key to the sustainability of Lake Victoria's ecosystem. Ecology & Society.
  • Vis forfatter(e) 2013. Angler behaviour and implications for management - catch-and-release among marine angling tourists in Norway. Fisheries Management and Ecology. 137-147.
  • Vis forfatter(e) 2012. On balanced exploitation of marine ecosystems: results from dynamic size spectra. ICES Journal of Marine Science. 602-614.
  • Vis forfatter(e) 2012. Dynamics of the feeding ecology of selected fish species from the Okavango River delta, Botswana. Acta Ichthyologica et Piscatoria. 271-289.
  • Vis forfatter(e) 2011. The tragedy of our legacy: how do global management discourses affect small-scale fisheries in the South? Forum for Development Studies. 267-297.
  • Vis forfatter(e) 2011. Selecting indicators to assess the fisheries of Lake Malawi and Lake Malombe: Knowledge base and evaluative capacity. Journal of Great Lakes research. 26-44.
  • Vis forfatter(e) 2008. Effect of ambient oxygen on growth and reproduction in Nile tilapia (Oreochromis niloticus). Canadian Journal of Fisheries and Aquatic Sciences. 1413-1424.
  • Vis forfatter(e) 2006. Hydro-acoustic survey of deep pools in the Mekong River in southern Lao PDR and northern Cambodia. MCR Technical Paper.
  • Vis forfatter(e) 2003. The Bangweulu swamps - A balanced small-scale multispecies fishery. FAO Fisheries Technical Paper. 34-66.
  • Vis forfatter(e) 2003. Inshore fisheries and fish population changes in Lake Kariba. FAO Fisheries Technical Paper. 67-99.
  • Vis forfatter(e) 2002. Monitoring of deep pools in the Mekong River: The potential of hydro-acoustic methods. Mekong Fish Catch and Culture. 3-6.
  • Vis forfatter(e) 1998. Participation of local fishermen in scientific fisheries data collection: a case study from the Bangweulu Swamps, Zambia. Fisheries Management and Ecology. 81-92.
  • Vis forfatter(e) 1995. On the relationship between hydrology and fisheries in man-made Lake Kariba, cantral Africa. Fisheries Research. 205-226.
  • Vis forfatter(e) 1994. I Afrika fanges det sild i ferskvann. Fiskets Gang. 53-56.
  • Vis forfatter(e) 1993. Population dynamics and life-history styles of Nile Tilapia, Oreochromis Niloticus, in Ferguson's Gulf, Lake Turkana, Kenya. Environmental Biology of Fishes. 25-46.
  • Vis forfatter(e) 1992. Growth, mortality, maturity and trophic structure of Lake Kariba. NAGA, the ICLARM Quarterly.
  • Vis forfatter(e) 1991. A summary of Lake Turkana: an ever-changing mixed environment. Mitt.Int.Verein.Limnol..
  • Vis forfatter(e) 1990. "Ennå vet vi ikke nok, vi må forske mer" Om modellbegrebet i fiskeribiologi. Ariadne - Forum for kritisk samfunnsteori. 46-68.
Rapport
  • Vis forfatter(e) 2015. Balanced harvest in the real world. Scientific, policy and operational issues in an ecosystem approach to fisheries. .
  • Vis forfatter(e) 2011. Selective Fishing and Balanced Harvest in Relation to Fisheries and Ecosystem Sustainability. .
  • Vis forfatter(e) 2011. A brief review of the Bangweulu fishery complex. .
  • Vis forfatter(e) 2009. Review of tropical reservoirs and their fisheries in developing countries: The cases of the Lake Nasser, Lake Volta and Indo-Gangetic basin reservoirs. .
  • Vis forfatter(e) 2009. Improved fisheries productivity and management in tropical reservoirs. .
  • Vis forfatter(e) 2009. Engaging Local Communities in Aquatic Resources Research and Activities: A Technical Manual. .
  • Vis forfatter(e) 2005. Lake Victoria Environmental Management Program (LVEMP): Regional Synthesis Report on Fisheries Research and Management. States, trends and processes. Final report for LVEMP National Secretariat, P.O. Box, Entebbe, Uganda. .
  • Vis forfatter(e) 2005. Deep pools surveys of the Mekong River 2003-2004. Final report. 14. 14. .
  • Vis forfatter(e) 2003. Management,co-management or no management? Major dilemmas in southern African freshwater fisheries. 2. Case studies. 426/2. 426/2. .
  • Vis forfatter(e) 2003. Management, co-management or no management? Major dilemmas in southern African freshwater fisheries. 1. Synthesis report. 426/1. 426/1. .
  • Vis forfatter(e) 2000. Fish populations, gill net selectivity, and artisanal fisheries in the Okavango River, Namibia. Recommendations for a sustainable fishery. 10. 10. .
  • Vis forfatter(e) 1996. WWF Bangweulul Wetlands Project. Preliminary Report on Assessment of the Bangweulu Swamps Fisheries. June 1996. .
  • Vis forfatter(e) 1996. WWF Bangweulu Wetlands Project. Assessment of The Bangweulu Swamps Fisheries. Final Report. December 1996. .
  • Vis forfatter(e) 1996. Feasibility and appraisal of fish stock management plan i Okavango. .
  • Vis forfatter(e) 1995. Second report from Fish Stock Assessment consultant. WWF-DANIDA Bangweulu Wetlands Project, P.O.Box 72003 Samfya, Zambia. .
  • Vis forfatter(e) 1995. Lake Mweru fisheries Programme. Evaluation Mission Report prepared for SNV/NDO Lusaka. SNV-Netherlands Development Organisation, Zambia. .
  • Vis forfatter(e) 1993. On the relationship between hydrology and fisheries in Lake Kariba. .
Faglig foredrag
  • Vis forfatter(e) 2017. Numerical competence and quantitative skills for BSc-students in biology.
Populærvitenskapelig foredrag
  • Vis forfatter(e) 2015. Framtidas fiskenæring.
  • Vis forfatter(e) 2011. The tragedy of our legacy - The fisheries management discourse - and its effects.
  • Vis forfatter(e) 1992. Lake Turkana, an allotrophic equatorial lake.
  • Vis forfatter(e) 1992. Changes in species composition and abundance of fish populations in Lake Turkana, Kenya.
Vitenskapelig foredrag
  • Vis forfatter(e) 2015. Exploiting the natural productivity of aquatic ecosystems.
  • Vis forfatter(e) 2014. The tragedy of our legacy – questioning the paradigms of fisheries science.
  • Vis forfatter(e) 2014. The optimal fishing pattern for achieving an ecosystem approach to fisheries.
  • Vis forfatter(e) 2014. Small-scale fisheries - importance, vulnerability, and deficient knowledge.
  • Vis forfatter(e) 2014. Small-scale fisheries - do we need a change in the management paradigm?
  • Vis forfatter(e) 2014. Questioning the legacy of fisheries science.
  • Vis forfatter(e) 2014. Maximizing fisheries yields while maintaining ecosystem structure.
  • Vis forfatter(e) 2014. Havet - vårt sikre matfat?
  • Vis forfatter(e) 2014. Food from Water: Small-scale inland fisheries in Africa: importance and dynamics.
  • Vis forfatter(e) 2014. Exploitation patterns in fisheries, a global meta-analysis from 151 Ecopath models.
  • Vis forfatter(e) 2014. Dynamic Models of Size Spectra: Insights into Productivity and Exploitation of Fish Communities.
  • Vis forfatter(e) 2014. Do unregulated, artisanal fisheries tend towards balanced harvesting?
  • Vis forfatter(e) 2014. Could the Nile Perch Invasion in Lake Victoria Have Succeeded without the Preceding Decrease of Its Prey?
  • Vis forfatter(e) 2014. Balanced harvesting promotes coexistence of interacting species.
  • Vis forfatter(e) 2014. Balanced Harvesting – mere mad med mindre fodaftryk.
  • Vis forfatter(e) 2014. A Paradigm Shift For Sustainable, Productive Fisheries: The Need To Move From Selective Fishing To Balanced Harvesting.
  • Vis forfatter(e) 2013. Tensions between regulation policy and eco conscious fisheries regulations. The Norwegian case. The case globally.
  • Vis forfatter(e) 2013. Small-scale fisheries – how should they be managed?
  • Vis forfatter(e) 2013. New approaches to management of small-scale fisheries.
  • Vis forfatter(e) 2013. Lake Kariba revisited: an update on fish community developments from 1960 to 2012.
  • Vis forfatter(e) 2013. Is catch a function of effort or is effort a function of catch?
  • Vis forfatter(e) 2013. Fish, Food and Fluctuations.
  • Vis forfatter(e) 2013. Fish and Fisheries of Bangweulu Wetlands, Zambia.
  • Vis forfatter(e) 2013. Effects of eutrophication on Lake Victoria fisheries.
  • Vis forfatter(e) 2013. Catching the right size of fish: are size regulations harmful for small scale fisheries?
  • Vis forfatter(e) 2013. Balansert høsting fra økosystemene.
  • Vis forfatter(e) 2013. Balanced Harvesting.
  • Vis forfatter(e) 2012. When prey becomes predators: eutrophication and the transition of Lake Victoria’s fish community from a cichlid to a Nile perch dominated state.
  • Vis forfatter(e) 2012. Size selective mortality in fisheries and Nature.
  • Vis forfatter(e) 2012. Selektivt fiske versus økosystembasert forvaltning.
  • Vis forfatter(e) 2012. Optimal høstning av havets ressurser.
  • Vis forfatter(e) 2012. Open access fisheries in African lakes: Do they need to be managed?
  • Vis forfatter(e) 2012. Maximizing fisheries yields while maintaining ecosystem structure.
  • Vis forfatter(e) 2012. Management of living aquatic resources and food security: How can Norway contribute?
  • Vis forfatter(e) 2012. Kvotesystem og minstemål – trenger vi en ny reguleringsmodell?
  • Vis forfatter(e) 2012. Fishing for resilience.
  • Vis forfatter(e) 2012. Evaluation of balanced exploitation of marine ecosystems: results from dynamic size spectra.
  • Vis forfatter(e) 2012. Diversity, disturbance and succession in the fish community of Lake Kariba, Zimbabwe, from 1960 to 2001.
  • Vis forfatter(e) 2012. Balansert høstning – kan det forene bruk og vern?
  • Vis forfatter(e) 2012. Balansert høstning – Bør vi endre våre høstingsstrategier og derved vår forvaltning?
  • Vis forfatter(e) 2012. Balanced harvesting: Can it reconcile fisheries and conservation objectives?
  • Vis forfatter(e) 2012. Balanced harvesting: Can it reconcile fisheries and conservation objectives, and how can it be done?
  • Vis forfatter(e) 2012. Balanced harvest: can it reconcile fisheries and conservation objectives?
  • Vis forfatter(e) 2011. The tragedy of our legacy: How do Global Management Discourses Affect Small Scale Fisheries in the South?
  • Vis forfatter(e) 2011. The tragedy of our legacy: How do Global Management Discourses Affect Small Scale Fisheries in the South?
  • Vis forfatter(e) 2010. Recent theoretical developments on the fishing patterns and management of small-scale fisheries.
  • Vis forfatter(e) 2010. Non-selective open access fisheries in African lakes: Are they as bad as we think?
  • Vis forfatter(e) 2010. Management and Mis-management of African freshwater fisheries.
  • Vis forfatter(e) 2010. Fisheries dynamics in a fluctuating environment: Relating fish characteristics to the hydrological regime of the Okavango Delta.
  • Vis forfatter(e) 2009. The tragedy of our legacy: How global management discourses affect rational exploitation of small scale fisheries.
  • Vis forfatter(e) 2008. The state, trends and threats of the Lake Victoria Fisheries and Environment.
  • Vis forfatter(e) 2008. The small scale perspective: Value, resilience, fishing patterns, and the need for open access.
  • Vis forfatter(e) 2008. The origin and effect of mesh size regulations and why they may have to be rethought.
  • Vis forfatter(e) 2008. Sustainable harvesting of mixed fisheries, the small scale perspective.
  • Vis forfatter(e) 2008. Shifts in taxonomic and trophic patterns of fish communities in African lakes in relation to (human-induced) pressures.
  • Vis forfatter(e) 2008. Overfishing in the Pacific? A new simple method of stock assessment on tropical coastal reef fisheries.
  • Vis forfatter(e) 2008. Exploitation or eutrophication as threats for fisheries? Disentangling social and ecological drivers of ecosystem change in Lake Victoria, Tanzania (SEDEC).
  • Vis forfatter(e) 2008. Exploitation or eutrophication as threats for fisheries?
  • Vis forfatter(e) 2007. The state, trends and threats of the Lake Victoria fisheries and environment.
  • Vis forfatter(e) 2007. The state, trends and threats of the Lake Victoria fisheries and environment.
  • Vis forfatter(e) 2007. Relative lake level changes and fish productivity in African lakes and reservoirs.
  • Vis forfatter(e) 2007. Perspectives and dilemmas for small-scale fisheries management in African freshwater fisheries.
  • Vis forfatter(e) 2007. Eutrophication threatens the size structure of the Nile perch stocks in Lake Victoria.
  • Vis forfatter(e) 2007. Diversity, disturbance, and succession in the fish community of Lake Kariba, Zimbabwe, from 1960 to 2001.
  • Vis forfatter(e) 2006. Marine Protected Areas in relation to fisheries – what are the biological and fish stock implications?
  • Vis forfatter(e) 2005. How resilient is Lake Vitoria? State, trends and processes of its fisheries and environment.
  • Vis forfatter(e) 2005. Co-management or no management? – Experiences from management on Southern African lakes.
  • Vis forfatter(e) 2003. Diversity, Disturbance, and ecological succession of the inshore fish populations in Lake kariba, Zimbabwe from 1960 to 2001.
  • Vis forfatter(e) 2002. Fish Stock Assessment in the Okavango delta, Botswana – preliminary results from a length based analysis.
  • Vis forfatter(e) 2002. Exploitation and management of the fish resources in the Okavango river, Namibia.
  • Vis forfatter(e) 1997. Myths and facts in the Okavango Delta fishery.
  • Vis forfatter(e) 1995. Reservoirs in River Basin Development Fishing, flushing and fish behaviour. - A case study from the seasonal Kashm el Girba reservoir in Sudan.
  • Vis forfatter(e) 1995. Population dynamics and sustainable yield of Limnothrissa miodon (Kapenta) in Lake Kariba, Africa.
  • Vis forfatter(e) 1994. Hydroacoustic stock assessment of Kapenta (Limnothrissa miodon) in Lake Kariba, central Africa.
  • Vis forfatter(e) 1993. Fish diversity changes in Lake Kariba.
Leder
  • Vis forfatter(e) 2012. Reconsidering the Consequences of Selective Fisheries. Science. 1045-1047.
Leserinnlegg
  • Vis forfatter(e) 2013. Incredible evolution or incredulous application? Ecological Applications. 670-671.
Fagbok
  • Vis forfatter(e) 2019. Freshwater small pelagic fish and fisheries in the main African great lakes and reservoirs in relation to food security and nutrition. Food and Agriculture Organization of the United Nations (FAO).
  • Vis forfatter(e) 2016. Fisheries in the Drylands of Sub-Saharan Africa – “Fish come with the rains”. Building resilience for fisheries-dependent livelihoods to enhance food security and nutrition in the Drylands.
  • Vis forfatter(e) 2005. Improving productivity in tropical lakes and reservoirs. Challenge Program on Water and Food. Aquatic Ecosystems and Fisheries Review Series I. Theme 3 of CPWF, WorldFish Center, Cairo, Egypt. WorldFish Center.
Kompendium
  • Vis forfatter(e) 2002. Lecture notes. AdriaMed training course on fish population dynamics and stock assessment. FAO-MiPAF Scientific Cooperation to Support Responsible Fisheries in the Adriatic Sea. GCP/RER/010/ITA/TD-08. 8.
  • Vis forfatter(e) 1995. PASGEAR A data base package for experimental fishery data from passive gears. A short introductory manual.
Hovedfagsoppgave
  • Vis forfatter(e) 2010. Spatial distribution of Nile perch in Lake Victoria using acoustic methods.
  • Vis forfatter(e) 2008. Effect of seasonal variations and mesh size ranges on the estimated length at 50% maturity of fish.
  • Vis forfatter(e) 2004. Assessment of Tanzanian prwan fishery resources.
  • Vis forfatter(e) 2002. Fish diversity development in Lake Kariba, Zimbabwe from 1960 to 2001.
  • Vis forfatter(e) 2000. Preliminary length based stock assessment of the main exploited stocks of the Okavango Delta fishery.
  • Vis forfatter(e) 2000. Evaluation of lenght-based stock assessment methods using Silver carp in Eakao Reservoir, Vietnam.
  • Vis forfatter(e) 1998. Sekective fishing of Alestes macropthalmus (Alestiidae) using gillnets of small mesh sizes at fish aggregation devices(FADs) in Mweru-Luapula fishery, Northern Zambia.
  • Vis forfatter(e) 1998. Effects of weir fishing on commercial fish stocks of the Bangweulu swamps fisheries, Luapula Province, Northern Zambia.
  • Vis forfatter(e) 1998. Application of hydroacoustics in fish stock assessment of Lake Victoria.
  • Vis forfatter(e) 1996. Inshore Fish Population Changes in the Zambian Waters of Lake Kariba from 1980 to 1995.
  • Vis forfatter(e) 1995. Assessment of the Tanganyika clupeid, Limnothrissa miodon, in Lake Kariba by hydroacoustics.
  • Vis forfatter(e) 1994. The effects of flushing on the fish community in the Khasm el Girba reservoir, Eastern Sudan.
  • Vis forfatter(e) 1992. Inshore fish population changes at Lakeside, Kariba, between 1969 - 1991.
Mastergradsoppgave
  • Vis forfatter(e) 2016. Effect of ambient oxygen on the life history of Guppies (Poecilia reticulata).
  • Vis forfatter(e) 2015. Mangrove forest extent and status along the Eritrean Red Sea coast.
  • Vis forfatter(e) 2015. Effect of ambient oxygen on the life history of Guppies (Poecilia reticulata).
  • Vis forfatter(e) 2013. Growth of juvenile nile perch in lake victoria derived from otoliths.
  • Vis forfatter(e) 2011. Review of the Tanzanian prawn fishery.
  • Vis forfatter(e) 2011. Marine Angling Tourism in Norway: The Interactions between Behavior, Management and Catch.
  • Vis forfatter(e) 2010. Spatial and temporal relationships between fish abundance and fishing effort in Lake Victoria Tanzania.
  • Vis forfatter(e) 2006. Dwindling fish stocks in Lake Malawi and Lake Malombe: Effect of environment or artisanal exploitation?
  • Vis forfatter(e) 2006. An evaluation of fish population changes in the Kafue Flats floodplain fishery of Zambia from 1980 to 2005.
  • Vis forfatter(e) 2004. Effects of hanging ratio on species composition and catch rates of drift gillnets.
  • Vis forfatter(e) 2004. Dynamics of demersal fish assemblages off Angola.
  • Vis forfatter(e) 2004. Bycatch in the deep water shrimp fishery off Angola.
  • Vis forfatter(e) 2000. Impact of Kapenta (Limnothrissa miodon,) introduction on the fish community in Lake Itezhi-tezhi, Zambia.
Database
  • Vis forfatter(e) 2005. Pasgear II.
Populærvitenskapelig artikkel
  • Vis forfatter(e) 1991. Environmental Variability in the Sahel and its Constraints on Animal Husbandry. Forum for utviklingsstudier. 215-228.
Doktorgradsavhandling
  • Vis forfatter(e) 2019. Dynamics of the Seasonal floodplain Fishery of the Okavango Delta, Botswana.
  • Vis forfatter(e) 2015. Catch-and-release of Atlantic cod (Gadus morhua) in recreational fisheries.
  • Vis forfatter(e) 1994. Plus ca change, plus c'est la meme chose. On the ecology and exploitation of fish in fluctating tropical freshwater systems.
Dokumentar
  • Vis forfatter(e) 2013. Fisken krymper.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Vis forfatter(e) 2019. Strategies Used Throughout the World to Manage Fisheries Discards – Lessons for Implementation of the EU Landing Obligation. 24 sider.
  • Vis forfatter(e) 2016. In the Frame: Modifying Photovoice for Improving Understanding of Gender in Fisheries and Aquaculture. 15 sider.
  • Vis forfatter(e) 2015. The Optimal Fishing Pattern. 920 sider.
  • Vis forfatter(e) 2014. Small-scale fisheries - importance, vulnerability, and deficient knowledge. 15 sider.
  • Vis forfatter(e) 2008. Are the Lake Victoria fisheries threatened by exploitation or eutrophication? Towards an ecosystem based approach to management. 46 sider.
  • Vis forfatter(e) 2007. Inland fisheries and aquaculture. 25 sider.
  • Vis forfatter(e) 2007. Inland Fisheries and Aquaculture. 25 sider.
  • Vis forfatter(e) 2002. Fish capture devices in industrial and artisanal fisheries and their influence on management. 24 sider.
  • Vis forfatter(e) 1997. Diversity, Disturbance and Dubious Dogma. On some difficult concepts in community ecology. 20 sider.
  • Vis forfatter(e) 1997. "Ennå vet vi ikke nok, vi må forske mer"- om fiskerikriser og økologiske modeller. 18 sider.
  • Vis forfatter(e) 1994. Inshore fish population changes in Lake Kariba, Zimbabwe.
  • Vis forfatter(e) 1994. Changes in species composition and abundance of fish populations in Lake Turkana, Kenya.
  • Vis forfatter(e) 1993. Trophic interrelationships and community structure at two different periods of Lake Turkana, Kenya - a comparison using the ECOPATH II box model. 8 sider.
  • Vis forfatter(e) 1993. A preliminary assessment of the trophic structure of Lake Kariba - a man-made lake, Zimbabwe. 8 sider.
  • Vis forfatter(e) 1993. 51 colour plates of marine species off Namibia. -249 sider.
  • Vis forfatter(e) 1992. 115 colour plates of commercial fish of Southern Carribean. 1 sider.
  • Vis forfatter(e) 1991. Content and organization of institutional support.
Poster
  • Vis forfatter(e) 2006. Lake Victoria Nile perch fishery, threatened by exploitation or eutrophication?
  • Vis forfatter(e) 2006. Lake Victoria Nile perch fishery, threatened by exploitation or eutrophication?
  • Vis forfatter(e) 1990. Relationship between water level and fish production in Lake Turkana, Kenya - based on CPUE data.
Vitenskapelig oversiktsartikkel/review
  • Vis forfatter(e) 2020. Fish for food and nutrition security in Ghana: Challenges and opportunities. Global Food Security. 10 sider.
  • Vis forfatter(e) 2016. Balanced harvest: Utopia, failure, or a functional strategy? ICES Journal of Marine Science. 1616-1622.
  • Vis forfatter(e) 2012. Relative lake level fluctuations and their influence on productivity and resilience in tropical lakes and reservoirs. Fisheries Research. 99-109.
  • Vis forfatter(e) 2011. Review of tropical reservoirs and their fisheries: the cases of the Lake Nasser, Lake Volta and Indo-Gangetic basin reservoirs. FAO Fisheries Technical Paper.
Faglig kapittel
  • Vis forfatter(e) 2014. Status, trends and management of the Lake Victoria Fisheries. 49-62. I:
    • Vis forfatter(e) 2014. Inland fisheries evolution and management - Case studies from four continents. Food and Agriculture Organization of the United Nations (FAO).

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Dr. Scient (1994) Fiskeribiologi