Browsing School of Natural Resources and Environmental Studies by Title
Now showing items 13-32 of 130
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Assessment of Growth Performance of Monosex Nile Tilapia (Oreochromis Niloticus) in Cages Using Low-Cost, Locally Produced Supplemental Feeds and Training Fish Farmers on Best Management Practices in Kenya
(2018)Changing technology in aquaculture has been the major driving force for increasing aquaculture production in the phase of dwindling open water stocks. The choice of technologies and their adoption still remain a focus to ... -
The Biological Assessment and Rehabilitation of the World’s Rivers: An Overview
(Water, 2021-01-31)The biological assessment of rivers i.e., their assessment through use of aquatic assemblages, integrates the effects of multiple-stressors on these systems over time and is essential to evaluate ecosystem condition and ... -
Biological diversity of the Yala Swamp lakes, with special emphasis on fish species composition, in relation to changes in the Lake Victoria Basin (Kenya): threats and conservation measures
(Biodiversity & Conservation, 2003-05)During the second half of the last century, the Lake Victoria ecosystem has undergone drastic ecological changes. Most notable has been the decline in the populations of many endemic cichlid fishes. The lake has lost nearly ... -
Biomass Energy Resource of the Highland Bamboo (Yushania alpina) and Its Potential for Sustainable Exploitation in Southern Aberdares Forest
(Scientific Research Publishing, 2017-08)Yushania alpina is the only bamboo species native to Kenya and covers about 150,000 ha growing in pure or mixed stands in the montane forests. The Aberdare forest is one of the natural habitats for Y. alpine occupying an ... -
Biomass Energy Resource of the Highland Bamboo (Yushania alpina) and Its Potential for Sustainable Exploitation in Southern Aberdares Forest
(Scientific Research Publishing Inc., 2017)Yushania alpina is the only bamboo species native to Kenya and covers about 150,000 ha growing in pure or mixed stands in the montane forests. The Aberdare forest is one of the natural habitats for Y. alpine occupying an ... -
Black Soldier Fly (Hermetia illucens) Larvae Meal as a Sustainable Protein Source for Fish Feed Production in Kenya
(SPRINGER, 2023)Aquaculture has been ranked as one of the fastest-growing food sub-sectors, providing quality protein to better the livelihoods of rural communities alongside curbing malnutrition and food security globally. Nonetheless, ... -
Carbon Sequestration by the Above Ground Biomass Pool in the South West Mau Forest of Kenya, 1985 - 2015
(Journal of Environment and Earth Science, 2020)Forests are important for regulation of the global carbon balance. Increase in forest biomass enhances atmospheric carbon sequestration while decrease in forest biomass contributes to carbon dioxide emissions. World over, ... -
Challenges Facing the Fishing Industry in Homalime and Kendu Bay Zones of Lake Victoria in Homabay County, Kenya
(Historical Research Letter, 2015)Fishing has been an important source of livelihood for many Kenyans for many years. It is one of the oldest occupations of mankind. In Kenya, both gender have been involved in this industry while performing different roles ... -
Challenges facing the tea Sector in Nyeri County
(2015)Nyeri County is renowned for its production of quality tea for export. However, the sector is beleaguered by numerous problems and is not performing at its full potential. This survey was carried out to identify the ... -
Challenges of elephant conservation: insights from oral histories of colonialism and landscape in Tsavo, Kenya
(American Geographical Society, 2017)Understanding the reasons for conflict between elephants and people who live adjacent to conservation areas remains key to recruiting them as allies in preserving elephant populations. The Tsavo region of Kenya has become ... -
Challenges of Elephant Conservation: Insights from Oral Histories of Colonialism and Landscape in Tsavo, Kenya
(American Geographical Society, 2018)Understanding the reasons for conflict between elephants and people who live adjacent to conservation areas remains key to recruiting them as allies in preserving elephant populations. The Tsavo region of Kenya has become ... -
The challenges of wild game on forest plantations management objectives in forest ecosystems in kenya
(Emerging Academy Resources, 2013)Forests in Africa and Asia host various wildlife populations that cause varying levels of damages to forest resources. The economic damage is more severe in forest plantations meant for timber production that require huge ... -
Characterization of the nutritional quality of amaranth leaf protein concentrates and suitability of fish meal replacement in Nile tilapia feeds
(Elsevier, 2017)A number of leafy vegetables,their protein concentrates and hydrolasates are under evaluation as alternative protein ingredients to fish meal(FM)in aqua feeds. This study evaluated the nutritional characteristics and ... -
Climate Change Perception Among the Pastoralist Women in Narok County
(Academic Research International, 2018-03)With regards to the effects of climate change, Kenya has identified its ASALs as the most vulnerable areas to climate change with huge impacts on livestock rearing, small-holder agriculture and tourism, which are the ... -
Combined effects of photoperiod and temperature on growth and survival of African catfish (Clarias gariepinus, Burchell 1822) larvae under laboratory conditions
(Taylor and Francis, 2016)The effect of photoperiod (24L:00D, 12L:12D, and 00L:24D) and temperature (22 ± 1°C and 28 ± 1°C) on performance of Clarias gariepinus larvae was tested. Larvae weighing 3.2 ± 0.24 mg were cultured in aquaria at a stocking ... -
Comparative performance of invasive alien Eichhornia crassipes and native Ludwigia stolonifera under non-limiting nutrient conditions in Lake Naivasha, Kenya
(Hydrobiologia, 2010-09)The ability of Ludwigia stolonifera to thrive in the presence of Eichhornia crassipes was investigated in Lake Naivasha, Kenya. L. stolonifera (indigenous) and E. crassipes (invasive alien) were grown in outdoor experimental ... -
Comparing Tree Heights among Montane Forest Blocks of Kenya Using LiDAR Data from GLAS
(Scientific Research Publishing, 2015)This study was designed to use LiDAR data to research tree heights in montane forest blocks of Kenya. It uses a completely randomised block design to asses if differences exist in forest heights: 1) among montane forest ... -
Competition between Lemna minuta and Lemna minor at different nutrient concentrations
(Plant Biology and Nature Management (APNA) Elsevier, 2011-02)We investigated the differential responses of invasive alien Lemna minuta and native Lemna minor to nutrient loading as well as the mechanism of competition between the species. The role of nutrients, species identity, ... -
Competitive abilities of invasive Lagarosiphon major and native Ceratophyllum demersum in monocultures and mixed cultures in relation to experimental sediment dredging
(Aquatic Botany, 2011-06)Competitive abilities of Lagarosiphon major (Ridley) Moss (invasive in Belgium) and native Ceratophyllum demersum L. were assessed experimentally in relation to sediment dredging. We mimicked these conditions by taking ...