Browsing WorldFish Community by Author "Siriwardena, S.N."

Now showing items 1-20 of 32

    • Achieving national goals: Policy and institutional bottlenecks 

      Siriwardena, S.N.; Falaye, E. (2022)
      Type: Presentation
      Workshop on Nigerian Aquaculture: Status, Prospects and Future Growth - Prof. Eyiwunmi Falaye and Dr. Sunil Siriwardena - ACHIEVING NATIONAL GOALS POLICY AND INSTITUTIONAL BOTTLENECKS

    • Best Management Practices guidelines for small scale tilapia cage aquaculture in Ghana and Nigeria 

      KAASAH, J.E.; Siriwardena, S.N.; Nasr-Allah, A.M.; Olaniyi, A.A.; Ahmed Mohamed Nasr-Allah: 0000-0001-6299-8556 (2023)
      Type: Manual
      Africa accounts for about 7% of the world’s total fish production (FAO 2020). Nile tilapia (Oreochromis niloticus), a native of Africa, is the third-most farmed fish species in the world (FAO 2020) and is consumed worldwide ...

    • BMGF Aquaculture in Nigeria: Increasing Income, Diversifying Diets and Empowering Women: Response to the criteria for Nigeria scoping study to inform the Go/No-go decision by BMGF and WorldFish 

      Phillips, M.J.; Collis, W.; Siriwardena, S.N.; Subasinghe, R.P.; Michael John Phillips: 0000-0002-0282-0286
      Type: Donor Report
      At the end of 2018, Bill & Melinda Gates Foundation (BMGF) signed an investment agreement targeting Bangladesh and Nigeria, two countries where the growth of aquaculture provides significant opportunities to enhance the ...

    • Cost, competition and employment along farmed fish value chains in Nigeria 

      Tran, N.; Shikuku, K.M.; Peart, J.; Hoffmann, V.; Cheong, K.; Diyzee, K.; Chan, C.; Nukpezah, J.A.; Steensma, J.T.; Byrd, K.A.; Fregene, B.T.; Subasinghe, R.P.; Siriwardena, S.N.; Nhuong Tran: 0000-0002-1813-4571; Kelvin Mashisia Shikuku: 0000-0003-2290-074X; Kai Ching Cheong: 0000-0002-8115-417X; Chin Yee Chan: 0000-0001-8615-2678; Kendra A Byrd: 0000-0003-4528-752X (2021)
      Type: Brief
      In this brief we summarize our findings from a value chain survey of relevant stakeholders in Nigeria to better understand the aquaculture industries’ post-production cost composition, market competition environment, and ...

    • COVID-19 impacts and adaptation in aquatic food supply chains in Nigeria - One year into the pandemic 

      Haas, B.; Olaniyi, A.A.; Siriwardena, S.N.; Rosen, L.; Ghazali, S.B.; Dhar, G.; Pounds, A.; Saadiah binti Ghazali: 0000-0001-9796-6159 (2021)
      Type: Internal Report
      In 2020, we conducted a bi-weekly phone survey, covering the period from February to November, with 86 fish supply chain actors in Nigeria, to assess the impact of COVID-19 on the availability and price of aquatic foods ...

    • COVID-19 impacts and adaptations in Asia and Africa’s aquatic food value chains 

      Belton, B.; Rosen, L.; Middleton, L.; Ghazali, S.B.; Mamun, A.; Shieh, J.; Noronha, H.S.; Dhar, G.; Ilyas, M.; Price, C.R.; Nasr-Allah, A.M.; EL-Sira, I.S.; Baliarsingh, B.K.; Panemangalore, A.P.; Rajendran, S.; Mohan, A.B.; Akester, M.J.; Phyo, E.E.; Khin, M.; Olaniyi, A.A.; Siriwardena, S.N.; Bostock, J.; Little, D.; Phillips, M.J.; Thilsted, S.H.; Saadiah binti Ghazali: 0000-0001-9796-6159; Christopher Ross Price: 0000-0002-1353-0188; Ahmed Mohamed Nasr-Allah: 0000-0001-6299-8556; Ibrahim Salah EL-Sira: 0000-0002-6521-3563; Arun Padiyar Panemangalore: 0000-0002-5271-8642; Michael Joseph Akester: 0000-0001-6526-1613; Ei Ei Phyo: 0000-0002-3745-7659; Michael John Phillips: 0000-0002-0282-0286; Shakuntala Haraksingh Thilsted: 0000-0002-4041-1651 (2021)
      Type: Journal Article
      The COVID-19 pandemic is a shock affecting all areas of the global food system. We tracked the impacts of COVID-19 and associated policy responses on the availability and price of aquatic foods and production inputs during ...

    • COVID-19 impacts and adaptations in Asia and Africa’s aquatic food value chains 

      Belton, B.; Rosen, L.; Middleton, L.; Ghazali, S.B.; Mamun, A.; Shieh, J.; Noronha, H.S.; Dhar, G.; Ilyas, M.; Price, C.R.; Nasr-Allah, A.M.; EL-Sira, I.S.; Baliarsingh, B.K.; Panemangalore, A.P.; Rajendran, S.; Mohan, A.B.; Babu, R.; Akester, M.J.; Phyo, E.E.; Khin, M.; Olaniyi, A.A.; Siriwardena, S.N.; Bostock, J.; Little, D.; Phillips, M.J.; Thilsted, S.H.; Saadiah binti Ghazali: 0000-0001-9796-6159; Christopher Ross Price: 0000-0002-1353-0188; Ahmed Mohamed Nasr-Allah: 0000-0001-6299-8556; Ibrahim Salah EL-Sira: 0000-0002-6521-3563; Arun Padiyar Panemangalore: 0000-0002-5271-8642; Michael Joseph Akester: 0000-0001-6526-1613; Ei Ei Phyo: 0000-0002-3745-7659; Michael John Phillips: 0000-0002-0282-0286; Shakuntala Haraksingh Thilsted: 0000-0002-4041-1651 (2021)
      Type: Working Paper
      We tracked the impacts of COVID-19 on aquatic food value chains in Bangladesh, Egypt, India, Myanmar and Nigeria during 2020. We assessed the availability and price of aquatic foods and production inputs using a high ...

    • Diversification of Species in Nigerian Aquaculture: A Farmer experience 

      Ganiyu, O.I.; Siriwardena, S.N. (2022)
      Type: Presentation
      Workshop on Nigerian Aquaculture: Status, Prospects and Future Growth - Dr. OLUDAYO I. GANIYU - Diversification of species in Nigeria-Ganiyu

    • Diversification of Farming Systems and Species in Nigerian Aquaculture (Caffan Perspective) 

      Mustapha, M.Y.; Siriwardena, S.N. (2022)
      Type: Presentation
      Workshop on Nigerian Aquaculture: Status, Prospects and Future Growth - DR. MOMOH YUSUF MUSTAPHA - DIVERSIFICATION OF FARMING SYSTEMS AND SPECIES IN NIGERIAN AQUACULTURE (CAFFAN PERSPECTIVE)

    • Diversification of farming systems and species in Nigerian Aquaculture (TADAN) Perspective 

      Ahmed, R.; Siriwardena, S.N. (2022)
      Type: Presentation
      Workshop on Nigerian Aquaculture: Status, Prospects and Future Growth - Remi Ahmed - Diversification of farming systems and species in Nigerian Aquaculture (TADAN) Perspective

    • The Farm Diversification: Adapting Rice Fields for Co-Cultivation of Rice and Fish The Kebbi and Ebonyi States, Nigeria Examples 

      Ajani, E.K.; Siriwardena, S.N. (2022)
      Type: Presentation
      Workshop on Nigerian Aquaculture: Status, Prospects and Future Growth - Prof. Emmanuel K. Ajani - The Farm Diversification Adapting Rice Fields for Co-Cultivation of Rice

    • Feed the Future Innovation Lab for Fish 

      Reichley, S.; Siriwardena, S.N. (2022)
      Type: Presentation
      Workshop on Nigerian Aquaculture: Status, Prospects and Future Growth - Stephen_Reichley - FEED THE FUTURE.

    • Feeds and feeding in the cage culture system. 

      Siriwardena, S.N.; Nasr-Allah, A.M.; Olaniyi, A.A.; Ahmed Mohamed Nasr-Allah: 0000-0001-6299-8556 (2022)
      Type: Brief
      In tilapia cage aquaculture, commercially prepared floating tilapia feed works best. Fish must be fed enough food to ensure optimal growth within the shortest possible time and to result in maximum returns at a minimum ...

    • Financing smallholder aquaculture in Nigeria 

      Ugwu, C.; Siriwardena, S.N. (2022)
      Type: Presentation
      Workshop on Nigerian Aquaculture: Status, Prospects and Future Growth - Cyril Ugwu - Financing smallholder aquaculture in Nigeria

    • Fish consumption patterns and diets of rural and urban Nigerians 

      Byrd, K.A.; Ene-Obong, H.; Tran, N.; Diyzee, K.; Chan, C.; Shikuku, K.M.; Steensma, J.T.; Nukpezah, J.A.; Subasinghe, R.P.; Siriwardena, S.N.; Kendra A Byrd: 0000-0003-4528-752X; Nhuong Tran: 0000-0002-1813-4571; Chin Yee Chan: 0000-0001-8615-2678; Kelvin Mashisia Shikuku: 0000-0003-2290-074X (2021)
      Type: Working Paper
      Nigeria is a country highly reliant on marine and inland fish for economic activity and food and nutrition security (Kolding, Van Zwieten, Marttin, & Poulain, 2019; Selig et al., 2018), while aquaculture is a growing sector. ...

    • Gender in Nigeria's Aquaculture and Small-Scale Fisheries Value Chains 

      Adam, R.; Byrd, K.A.; Siriwardena, S.N.; Subasinghe, R.P.; McDougall, C.; Kendra A Byrd: 0000-0003-4528-752X; Cynthia McDougall: 0000-0002-5606-6813 (2021)
      Type: Poster
      Infographic on Gender in Nigeria aquatic food systems.

    • Harvesting and post-harvest handling of tilapia from cage 

      Siriwardena, S.N.; Nasr-Allah, A.M.; Olaniyi, A.A.; Ahmed Mohamed Nasr-Allah: 0000-0001-6299-8556 (2022)
      Type: Brief
      Harvesting involves the total removal of fish from the cage at the end of the culture period. Harvesting in cages is less stressful compared to other culture systems. This involves removing the net from the cage to harvest ...

    • Impacts of COVID-19 on aquatic food supply chains in Nigeria February – November 2020 

      Middleton, L.; Olaniyi, A.A.; Siriwardena, S.N.; Rosen, L.; Ghazali, S.B.; Dhar, G.; Belton, B.; Shieh, J.; Haas, B.; Saadiah binti Ghazali: 0000-0001-9796-6159 (2021)
      Type: Report
      We conducted a bi-weekly phone survey with fish supply chain actors in Nigeria to assess impacts of COVID-19 on the availability and price of aquatic foods and production inputs. Respondents answered questions about their ...

    • Impacts of COVID-19 on aquatic food supply chains in Nigeria February - July 2020 

      Middleton, L.; Olaniyi, A.A.; Siriwardena, S.N.; Rosen, L.; Ghazali, S.B.; Dhar, G.; Belton, B.; Saadiah binti Ghazali: 0000-0001-9796-6159 (2020)
      Type: Report
      We conducted a bi-weekly phone survey with fish supply chain actors in Nigeria to assess impacts of COVID-19 on the availability and price of aquatic foods and production inputs. Respondents answered questions about their ...

    • Inland valley swamp assessment in Tonkolili District, Sierra Leone 

      Rashid-Noah, A.B.; Johnny, M.; Olapade, J.; Phillips, M.J.; Siriwardena, S.N.; Michael Phillips: 0000-0002-0282-0286 (2018)
      Type: Report
      Inland valley swamps (IVSs) form part of the upland-inland valley continuum in Sierra Leone, occupying the lowest position in the landscape. This study aimed to analyze the actual use, constraints on the use and the ...