Edwine Yongo
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View article: Spatio-Temporal Dynamics of Phytoplankton Community Structure in Response to Environmental Drivers in Xiaohai Lagoon, Hainan Island, China
Spatio-Temporal Dynamics of Phytoplankton Community Structure in Response to Environmental Drivers in Xiaohai Lagoon, Hainan Island, China Open
The Xiaohai Lagoon is a vital coastal ecosystem that has faced decades of significant natural and anthropogenic pressures. This study investigated the spatio-temporal dynamics its phytoplankton communities through quarterly sampling from 2…
View article: Ecological risk assessment of heavy metal contamination in Xiaohai Lagoon, Hainan island, China
Ecological risk assessment of heavy metal contamination in Xiaohai Lagoon, Hainan island, China Open
Xiaohai Lagoon has faced significant natural and anthropogenic pressures, necessitating a heavy metal contamination assessment. Sediment and water samples were collected in 2024 during dry and wet seasons to assess heavy metal pollution an…
View article: Comparative energy metabolism in red and white muscles of juvenile yellowfin tuna, Thunnus albacore
Comparative energy metabolism in red and white muscles of juvenile yellowfin tuna, Thunnus albacore Open
The musculature of yellowfin tuna ( Thunnus albacares ) exhibits distinct functional specialization, with slow-twitch oxidative red muscle and fast-twitch glycolytic white muscle demonstrating marked disparities in energy metabolic charact…
View article: Comparing the performance of the water quality index and phytoplankton index of biotic integrity in assessing the ecological status of three urban rivers in Haikou City, China
Comparing the performance of the water quality index and phytoplankton index of biotic integrity in assessing the ecological status of three urban rivers in Haikou City, China Open
The urban rivers, Changwang, Meishe, and Wuyuan, are vital water resources in Haikou City, China. However, pollution from various anthropogenic activities negatively impacts their ecological status. This study aimed to develop and compare …
View article: Sediment Heavy Metal Pollution Assessment in Changwang and Wuyuan Rivers in Hainan Island, China
Sediment Heavy Metal Pollution Assessment in Changwang and Wuyuan Rivers in Hainan Island, China Open
Heavy metal pollution may pose a significant threat to aquatic ecosystems. To assess heavy metal pollution, sediment samples were collected from Changwang and Wuyuan Rivers between June and December 2019. An inductively coupled plasma mass…
View article: Fish cage culture in Lake Victoria (Kenya): Fisher community perspectives on the impacts and benefits for better sustainable management
Fish cage culture in Lake Victoria (Kenya): Fisher community perspectives on the impacts and benefits for better sustainable management Open
Aquaculture is the future bridging gap for the declining capture fisheries and currently the fish cage culture in Lake Victoria (Kenya) is on the increase according to the recent overview surveys of 2016-2017. To date, the majority of aqua…
View article: List of institutions of managerial relevance to the fisheries of Lake Victoria
List of institutions of managerial relevance to the fisheries of Lake Victoria Open
The list provides addresses of institutions in Kenya, Tanzania and Uganda which are of managerial relevance to the fisheries of Lake Victoria, indicating the relevant area covered
View article: Population biology of Nile tilapia, Oreochromis niloticus in Lake Naivasha, Kenya
Population biology of Nile tilapia, Oreochromis niloticus in Lake Naivasha, Kenya Open
The Nile tilapia, Oreochromis niloticus was introduced in Lake Naivasha to provide exploitable fisheries. It is one of the commercially important fish providing livelihoods to communities around the lake. However, its stocks in the lake ha…
View article: Analysis of some biological aspects of the Blue-spotted tilapia, Oreochromis leucostictus (Trewavas, 1933) in Lake Naivasha, Kenya
Analysis of some biological aspects of the Blue-spotted tilapia, Oreochromis leucostictus (Trewavas, 1933) in Lake Naivasha, Kenya Open
Oreochromis leucostictus is one of the commercially important tilapiine in Lake Naivasha. Its stock in the lake has declined due to the effect of fishing and pollution. This study investigated on its length-weight relationship, condition f…
View article: Length-weight relationship, condition factor and feeding habit of the Silurid Catfish, Bagrus docmak (Forksskal, 1775) in Lake Victoria, Kenya
Length-weight relationship, condition factor and feeding habit of the Silurid Catfish, Bagrus docmak (Forksskal, 1775) in Lake Victoria, Kenya Open
Bagrus docmak is a species of the Bagrid catfishes that is indigenous to Lake Victoria, and is an important source of livelihood to communities around the lake. Fish samples were caught using gillnets of mesh sizes 50 mm and 10 mm. The len…
View article: Aspects of the Population biology of Common Carp, Cyprinus carpio (Linnaeus, 1758) In Lake Naivasha, Kenya
Aspects of the Population biology of Common Carp, Cyprinus carpio (Linnaeus, 1758) In Lake Naivasha, Kenya Open
The Common carp, Cyprinus carpio is an exotic fish in Lake Naivasha. It is one of the commercially important species in the lake. This study investigated on its biology and population parameters during 2017. Fish samples (433) were caught …
View article: A review on the status of Tilapiine species in Lakes Victoria and Naivasha, East Africa
A review on the status of Tilapiine species in Lakes Victoria and Naivasha, East Africa Open
This paper discusses the status of tilapiine species both native and those introduced into lakes Victoria and Naivasha. In Lake Victoria, four exotic tilapiine species (Oreochromis niloticus, O. leucosticus, Coptodon zillii and Coptodon re…
View article: Biological aspects of <i>Schilbe intermedius</i> (Ruppell, 1832) in the Nyanza Gulf of Lake Victoria, Kenya
Biological aspects of <i>Schilbe intermedius</i> (Ruppell, 1832) in the Nyanza Gulf of Lake Victoria, Kenya Open
Silver butter catfish ( Schilbe intermedius ) is an indigenous fish species in Lake Victoria. It has a good economic value because of the quality and freshness of its flesh, increasing its demand for consumption. It is potamodromous, with …
View article: A review on the status of some major fish species in Lake Victoria and possible conservation strategies
A review on the status of some major fish species in Lake Victoria and possible conservation strategies Open
Lake Victoria, the second largest freshwater lake in the world, supports an enormous flora and fauna biomass, with a large human population around the Lake. The lake is a source of food (fish), water for domestic use and crop and livestock…
View article: A review on the status of some major fish species in Lake Victoria
A review on the status of some major fish species in Lake Victoria Open
Lake Victoria, the second largest freshwater lake in the world supports a huge flora and fauna with a large human population around the Lake. The Lake is a source of food (fish), water for domestic use and crop and livestock production, tr…
View article: Review of Food and Feeding Habits of Some Synodontis Fishes in African Freshwaters
Review of Food and Feeding Habits of Some Synodontis Fishes in African Freshwaters Open
This paper reviewed food and feeding habits of six Synodontis species in the African freshwaters and determined diet with respect to size (ontogenetic shift) and season.The variety of food substances found in the stomach of various Synodon…
View article: Shifts in the food of Nile perch (<i>Lates niloticus</i>) in Lake Victoria
Shifts in the food of Nile perch (<i>Lates niloticus</i>) in Lake Victoria Open
The study investigated diet of Nile perch in Lake Victoria and compared results with past data from the same lake in order to analyse diet shifts over time. Fish samples (2020) were collected by seining and trawling from 2012 to 2016. In o…
View article: Compliance, corruption and co-management: how corruption fuels illegalities and undermines the legitimacy of fisheries co-management
Compliance, corruption and co-management: how corruption fuels illegalities and undermines the legitimacy of fisheries co-management Open
Links between corruption and illegal practices within fisheries are recognised in existing literature but little reference has been made to how these interconnected practices affect the performance and legitimacy of fisheries co-management…
View article: Studies on the Biology of Synodontis victoriae in the Nyanza Gulf of Lake Victoria, Kenya
Studies on the Biology of Synodontis victoriae in the Nyanza Gulf of Lake Victoria, Kenya Open
Fish samples (401) were collected weekly between May to July 2015 from commercial catches in the Nyanza Gulf of Lake Victoria, Kenya. The Fork length (cm FL), weight (g) and sex were determined. A total of 288 (71.8%) were female while 107…
View article: Influence of Rainfall Seasonality on Endohelminth Parasites of Oreochromis niloticus baringoensis (Trewavas, 1983) at River Molo Inlet in Lake Baringo, Rift Valley, Kenya
Influence of Rainfall Seasonality on Endohelminth Parasites of Oreochromis niloticus baringoensis (Trewavas, 1983) at River Molo Inlet in Lake Baringo, Rift Valley, Kenya Open
This study was conducted at the inlet of River Molo in Lake Baringo, Kenya during dry and wet seasons. Dissolved oxygen, temperature, turbidity and pH were measured in-situ. Fish samples collected were preserved in a cool box then immediat…
View article: Community Cohesion: Social and Economic Ties in the Personal Networks of Fisherfolk
Community Cohesion: Social and Economic Ties in the Personal Networks of Fisherfolk Open
Social ties influence access to knowledge and cooperation in natural resource management, with the sharing of certain characteristics thought to be positive for social cohesion and participatory forms of management. The personal networks o…
View article: Integration of mapping and socio-economic status of cage culture: Towards balancing lake-use and culture fisheries in Lake Victoria, Kenya
Integration of mapping and socio-economic status of cage culture: Towards balancing lake-use and culture fisheries in Lake Victoria, Kenya Open
Mapping of lacustrine aquaculture and socio-economic assessment of cage farmers operations can be employed as decision support tools in an integrated fashion for fisheries management. We simultaneously mapped and reported the location of c…
View article: Length-weight relationship, Condition factor, Sex ratio, Gonadal Somatic Index and Size at Maturity of Omena, Rastrineobola argentea (Pellegrin, 1904) in Lake Victoria, Kenya.
Length-weight relationship, Condition factor, Sex ratio, Gonadal Somatic Index and Size at Maturity of Omena, Rastrineobola argentea (Pellegrin, 1904) in Lake Victoria, Kenya. Open
30Jun 2016 Length-weight relationship, Condition factor, Sex ratio, Gonadal Somatic Index and Size at Maturity of Omena, Rastrineobola argentea (Pellegrin, 1904) in Lake Victoria, Kenya. Yongo , E. , Manyala , J.O. , Njiru , J.M. , Outa , …
View article: Diet of Silver Cyprinid, Rastrineobola argentea in Lake Victoria, Kenya.
Diet of Silver Cyprinid, Rastrineobola argentea in Lake Victoria, Kenya. Open
30Apr 2016 Diet of Silver Cyprinid, Rastrineobola argentea in Lake Victoria, Kenya. E. Yongo , J.O. Manyala , K. Kito , Y. Matsushita , N.O. Outa and J.M. Njiru. University of Eldoret, Department of Fisheries and Aquatic Sciences, PO Box 1…