A5036161078- Aquatic Ecosystems and Biodiversity
- Aquatic Ecosystems and Phytoplankton Dynamics
- Marine and coastal ecosystems
- Marine and fisheries research
- Fish Biology and Ecology Studies
- Fish Ecology and Management Studies
- Aquaculture Nutrition and Growth
- Agricultural risk and resilience
- Aquaculture disease management and microbiota
- Coastal and Marine Management
- Isotope Analysis in Ecology
- Agriculture and Rural Development Research
- Water Quality and Pollution Assessment
- Agricultural Systems and Practices
- Agricultural Innovations and Practices
Tanzania Fisheries Research Institute
2009-2024
University of Dar es Salaam
2018-2019
The African Great Lakes are under threat from global and local environmental challenges including climatic change, water pollution overfishing. To address those issues, managers need observations based on regularly monitored indicators. However, monitoring of the is often lacking or not harmonised methods. present manuscript a case study Lake Tanganyika, impacted by climate change anthropogenic pressure affecting quality, fisheries biodiversity changes. implementation has been continuous...
This study explored the yield and economic benefits of African sharptooth catfish, Clarias gariepinus, Nile tilapia, Oreochromis niloticus polyculture, reared in earthen ponds for 270 days integrated with Chinese cabbage, Brassica rapa chinensis, farmed 45 to small-scale farmers Tanzania. An aquaculture–agriculture (IAA) system involving fishes vegetables resulted three 2.5 times higher net than culture alone farming non-integrated respectively. Vegetables irrigated pond water 1.8 annual...
Unaffordability of commercial feeds to semi-intensive Nile tilapia, Oreochromis niloticus farmers has led reliance on supplemental feeding and fertilization for nutrition their fish without a scientific basis. This study compared the growth, survival, condition factor yield performance O. fed mixed ingredients (MI) rice bran alone (RB) diets reared in fertilized earthen ponds small scale farmers' ponds. The also determined phytoplankton composition, biomass abundance experimental...
Maintaining sustainable fisheries requires understanding the influence of technological advances on catch efficiency, as creep can ultimately contribute to increased efficiency. Fisheries using light sources for attraction could be widely impacted by shift emitting diode (LED) systems. We studied transition from kerosene lanterns LED lamps in Lake Tanganyika, East Africa, examining factors that led adoption well impact new fish and composition. used a combination field experiments with...
Prolific breeding and production of high percentage recruits are main problems in mixed-sex Nile tilapia (Oreochromis niloticus) culture earthen ponds. The current study assessed the efficiency different sizes African sharptooth catfish (Clarias gariepinus) controlling recruitment cultured tanks its effect on growth performance, survival yield. Three treatments consisting triplicate ponds stocked with monoculture polyculture large (62.50 ± 3.26 g) small (40.00 2.68 were fed a 297.50 g kg−1...
Tropocyclops simplex abundance, diel distribution and the impact of planktivore fish Stolothrissa tanganicae on T. population were studied at a deep-water site in Kigoma Bay, Lake Tanganyika during wet period (October 2008–February 2009). The top 40 m examined using discrete depth samples, filtered through 40-μm mesh. Ovigerous copepodids Tropodiaptomus exhibited very clear vertical migration. females negligibly low 0–30 day, while night they stayed above 20 m. nauplii did not show any...
Abstract Maintaining sustainable fisheries requires understanding the influence of technological advances on catch efficiency. Fisheries using light sources for attraction could be widely impacted by shift to emitting diode (LED) systems. We studied transition from kerosene lanterns LED lamps in Lake Tanganyika, East Africa, examining factors that led adoption as well impact new fish and composition. used a combination field experiments with assessments, fisher surveys, underwater spectra...