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Relevant bibliographies by topics / Species diversity – Kenya

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Academic literature on the topic 'Species diversity – Kenya'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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Journal articles on the topic "Species diversity – Kenya"

1

Ngumbau, Veronicah Mutele, Quentin Luke, Mwadime Nyange, et al. "An annotated checklist of the coastal forests of Kenya, East Africa." PhytoKeys 147 (May 12, 2020): 1–191. http://dx.doi.org/10.3897/phytokeys.147.49602.

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The inadequacy of information impedes society’s competence to find out the cause or degree of a problem or even to avoid further losses in an ecosystem. It becomes even harder to identify all the biological resources at risk because there is no exhaustive inventory of either fauna or flora of a particular region. Coastal forests of Kenya are located in the southeast part of Kenya and are distributed mainly in four counties: Kwale, Kilifi, Lamu, and Tana River County. They are a stretch of fragmented forests ca. 30−120 km away from the Indian Ocean, and they have existed for millions of years. Diversity of both fauna and flora is very high in these relicts and the coastal forests of Eastern Africa, extending along the coast from Somalia through Kenya and Tanzania to Mozambique, are ranked among the priority biodiversity hotspot in the world. In spite of the high plant species richness and their importance towards supporting the livelihoods of the communities that live around them, floristic studies in these forests have remained poorly investigated. Hence, based on numerous field investigations, plant lists from published monograph/literature, and data from BRAHMS (Botanical Records and Herbarium Management System) database at East African herbarium (EA), we present a detailed checklist of vascular plants recorded in this region. Our results show that Kenyan coastal forests play an essential role in the flora of Kenya and the plant diversity of the coastal forests of East Africa. The checklist represents 176 families, 981 genera, 2489 species, 100 infraspecific taxa, 90 endemic plants species, 72 exotic species, and 120 species that are included in the current IUCN Red List of Threatened Species as species of major concern. We also discovered three new species to the world from these relicts. Thus, Kenyan coastal forests present a remarkable and significant center of plant diversity.

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Oindo, Boniface O., Rolf A. De By, and Andrew K. Skidmore. "Environmental factors influencing bird species diversity in Kenya." African Journal of Ecology 39, no. 3 (2001): 295–302. http://dx.doi.org/10.1046/j.1365-2028.2001.00322.x.

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3

Mbuni, Yuvenalis Morara, Yadong Zhou, Shengwei Wang, et al. "An annotated checklist of vascular plants of Cherangani hills, Western Kenya." PhytoKeys 120 (April 18, 2019): 1–90. http://dx.doi.org/10.3897/phytokeys.120.30274.

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Cherangani hills, located in Western Kenya, comprises of 12 forest blocks, maintaining great plant diversity. However, little attention to plant diversity studies has been paid to it in the past years. Here, we present a checklist of the vascular plants of this region obtained through intensive field investigations and matching of herbarium specimens. In total, 1296 species, including 17 endemic species are documented, belonging to 130 families and 608 genera. This flora represents 18.50%, 43.83% and 54.17% of the Kenyan species, genera and families, respectively. The habit, habitat and voucher specimens, as well as brief notes on the distribution of each taxon recorded are presented in this checklist. It is the first exhaustive inventory of the terrestrial vascular plants in Cherangani hills which is a significant regional centre for plant diversity.

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4

Muriuki, E. N., D. N. Sila, and A. Onyango. "Nutritional diversity of leafy amaranth species grown in Kenya." Journal of Applied Biosciences 79 (August 29, 2014): 6818. http://dx.doi.org/10.4314/jab.v79i0.9.

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Muriuki, E. N., D. N. Sila, and A. Onyango. "Nutritional diversity of leafy amaranth species grown in Kenya." Journal of Applied Biosciences 79, no. 1 (2014): 6818. http://dx.doi.org/10.4314/jab.v79i1.9.

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6

Munguti, Florence M., Dora C. Kilalo, Evans N. Nyaboga, Everlyne N. Wosula, Isaac Macharia, and Agnes W. Mwango’mbe. "Distribution and Molecular Diversity of Whitefly Species Colonizing Cassava in Kenya." Insects 12, no. 10 (2021): 875. http://dx.doi.org/10.3390/insects12100875.

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The whitefly, Bemisia tabaci (Gennadium, Hemiptera) has been reported to transmit viruses that cause cassava mosaic disease (CMD) and cassava brown streak disease (CBSD) in many parts of sub-Saharan Africa (SSA). Currently, there is limited information on the distribution, species and haplotype composition of the whitefly populations colonizing cassava in Kenya. A study was conducted in the major cassava growing regions of Kenya to address this gap. Analyses of mitochondrial DNA cytochrome oxidase 1 (mtCO1) sequences revealed the presence of four distinct whitefly species: Bemisia tabaci, Bemisia afer, Aleurodicus dispersus and Paraleyrodes bondari in Kenya. The B. tabaci haplotypes were further resolved into SSA1, SSA2 and Indian Ocean (IO) putative species. The SSA1 population had three haplogroups of SSA1-SG1, SSA-SG2 and SSA1-SG3. Application of KASP genotyping grouped the Bemisia tabaci into two haplogroups namely sub-Saharan Africa East and Southern Africa (SSA-ESA) and sub-Saharan Africa East and Central Africa (SSA-ECA). The study presents the first report of P. bondari (Bondar’s nesting whitefly) on cassava in Kenya. Bemisia tabaci was widely distributed in all the major cassava growing regions in Kenya. The increased detection of different whitefly species on cassava and genetically diverse B. tabaci mitotypes indicates a significant influence on the dynamics of cassava virus epidemics in the field. The study highlights the need for continuous monitoring of invasive whitefly species population on cassava for timely application of management practices to reduce the impact of cassava viral diseases and prevent potential yield losses.

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7

Chuah-Petiot, Min S. "Data to the bryoflora of Mount Kenya, Kenya." Bryophyte Diversity and Evolution 10, no. 1 (1995): 41–53. http://dx.doi.org/10.11646/bde.10.1.8.

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194 species of bryophytes, belonging to 61 families are reported from Mount Kenya, of which 38 species are new for Mount Kenya and 30 records are new for the whole country, marked by * and ** respectively. The montane forests between 1600 and 3300m. asl., contain the greatest diversity of life forms and species. This is due to the abundant rainfall providing adequate humidity at relatively low temperature and altitude, coupled with frequent cloud cover. All vegetation belts above the montane forests experience large diurnal fluctuations in temperatures, intense solar radiation, added by the fact that the rainfall is relatively low and erratic or at times fall in the form of hail or snow resulting in a low diversity of species and life forms except in very sheltered habitats such as rock crevices in rocky outcrops. Solifluctions soil conditions occuring between 3850 and 4450m. asl. exhibit moss balls growth forms. The summits of Batian (5199m.), Nelion (5188m.) and Lenana (4985m.) harbour small cushions of Grimmia affinis and Andreaea cucullata. The greatest number of species are found in the wetter southern, south-western and south-eastern slopes unlike the drier northern, north-western and north-eastern slopes of the mountain. Species commonly found in the wetter areas are Bryum preussii, Bryum keniae, Prionodon ciliatus, Hypopterygium viridissimum, Plagiochila barteri, Plagiochila squamulosa, Radula recurvifolia, Porella hoehnelii, Dumortiera hirsuta while Pterogonium gracile, Leptodon smithii and Hedwigia ciliata are characteristic of the drier areas.

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Oindo, Boniface O., Rolf A. de By, and Andrew K. Skidmore. "Interannual variability of NDVI and bird species diversity in Kenya." International Journal of Applied Earth Observation and Geoinformation 2, no. 3-4 (2000): 172–80. http://dx.doi.org/10.1016/s0303-2434(00)85011-4.

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9

Okach, D. O., and O. Amuka. "Plant Species Diversity along Road Reserve in Kisumu County- Kenya." Ecologia 5, no. 1 (2014): 8–21. http://dx.doi.org/10.3923/ecologia.2015.8.21.

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10

Medley, Kimberly E. "Patterns of forest diversity along the Tana River, Kenya." Journal of Tropical Ecology 8, no. 4 (1992): 353–71. http://dx.doi.org/10.1017/s0266467400006684.

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ABSTRACTTropical forest vegetation occurs within a narrow corridor along the semi-arid lower floodplain of the Tana River, Kenya. An inventory of the woody flora and ecological study of 12 forest areas in the Tana River National Primate Reserve (TRNPR) describe the composition and structure of this riverine forest ecosystem and identify patterns of regional and local diversity. Only 175 species in 49 families are recorded in the woody flora, but the geographic affinities of 98 species are from four major floristic regions in Africa: Zanzibar-Inhambane (31%), Somalia-Masai (16%), Guinea-Congolian (12%), and Zambezian (1%). Ten species are rare and/or disjunct. Forests have a disturbed physiognomy characterized by a low mean height (14.4 m), high species importance attributable to a few trees, low density (409 ha−1) and coverage (23.1 m2 ha−1) of trees > 10 cm dbh, and an abundance of palms and lianes. Changes along the river in sediment deposition and hydrology explain the high diversity of landforms and corresponding forest types in the TRNPR vicinity, but the absence of trees which are most important near Bura, Acacia elalior, and near Wema, Barringtonia racemosa, suggests that the regional diversity of the ecosystem is inadequately protected. Preservation of key resources, such as the endangered primates, should be coupled with protection of the forest heterogeneity that characterizes this dynamic landscape.

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Dissertations / Theses on the topic "Species diversity – Kenya"

1

Warui, Charles Mwaura. "Impacts of wildlife and cattle grazing on spider (araneae) biodiversity in a highland savanna ecosystem, in Laikipia, Central Kenya." Thesis, Rhodes University, 2005. http://eprints.ru.ac.za/109/.

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[Verfasser], Adane Girma Gebreselasse. "Plant Communities, Species Diversity, Seedling Bank and Resprouting in Nandi Forests, Kenya / Adane Girma Gebreselasse." Koblenz : Universitätsbibliothek Koblenz, 2012. http://d-nb.info/1019454393/34.

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Kirui, Bernard K. Y. "Influence of species diversity on the return of ecosystem functions in replanted mangroves in Kenya." Thesis, Edinburgh Napier University, 2008. http://researchrepository.napier.ac.uk/Output/9236.

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Rates of loss of biodiversity caused by human action are on the increase worldwide. However implications of species loss on the natures' ability to provide ecosystem services and goods are still poorly understood. Despite providing an array of critical services and goods, mangrove ecosystems are under intense threat. In attempts to address the problem, several mangrove restoration initiatives have been formulated in many areas of the world with different objectives. Over the last two decades, experiments manipulating species diversity and measuring ecosystem functions have been conducted mainly using grassland ecosystems and have exhibited positive relationships. More recently, experiments investigating this relationship have emerged in longterm woody species i.e. trees; however these have concentrated on terrestrial forests. This study experimentally manipulated different mangrove species and measured a range of ecosystem functions including sapling survival, above and below ground biomass production and sediment C02 efflux. Enhanced sapling growth was positively correlated with plot height above datum, percentage silt and nitrates and negatively correlated with sediment salinity, ammonium and phosphates. Also high values of above and below ground biomass, root: shoot ratios, mean tree height, leaf area index as well as naturally recruited saplings were observed in mixed plots (particularly with Avicennia marina in the mixture) compared with monospecific plots. Species selection effect, particularly from the fast growing A. marina species was the mechanism behind a range of the observed ecosystem functions. However complementarily effects were observed particularly on above ground biomass. However sapling survival and sediment CO2 efflux was not influenced by species richness. We conclude that there is variation in the stages of plant development at which species richness effects manifest themselves, in addition the effects of environmental variables has a bearing on the nature and direction of the relationship between species richness and ecosystem function. We anticipate changes in the plots structure over time from A vicennia facilitative effects which are expected to lead to changes in sediment microclimate inducing changes in other species growth and promoting recruitment and development of wildlings.

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4

Warui, Charles Mwaura. "Impacts of wildlife and cattle grazing on spider (Araneae) biodiversity in a highland savanna ecosystem, in Laikipia, central Kenya." Connect to this title online, 2004. http://eprints.ru.ac.za/109/.

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5

Ong'ondo, Geoffrey Odhiambo [Verfasser], and Jens [Akademischer Betreuer] Boenigk. "Molecular microbial eukaryote diversity in five rift valley lakes and description of three ciliates species from lake Bogoria, Kenya / Geoffrey Odhiambo Ong'ondo ; Betreuer: Jens Boenigk." Duisburg, 2016. http://d-nb.info/1116941937/34.

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6

Chiveu, Chemulanga Josiah [Verfasser], Elke [Akademischer Betreuer] Pawelzik, Elke [Gutachter] Pawelzik, Michaela [Gutachter] Dippold, and Klaus [Gutachter] Dittert. "Assessment of genetic and nutritional diversity, and salinity tolerance of Kenyan guava (Psidium guajava L.): an underutilized naturalized fruit species / Chemulanga Josiah Chiveu ; Gutachter: Elke Pawelzik, Michaela Dippold, Klaus Dittert ; Betreuer: Elke Pawelzik." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2018. http://d-nb.info/116423112X/34.

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7

Chiveu, Chemulanga Josiah. "Assessment of genetic and nutritional diversity, and salinity tolerance of Kenyan guava (Psidium guajava L.): an underutilized naturalized fruit species." Doctoral thesis, 2018. http://hdl.handle.net/11858/00-1735-0000-002E-E46B-4.

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Books on the topic "Species diversity – Kenya"

1

Oindo, Boniface Oluoch. Spatial patterns of species diversity in Kenya. International Institute for Aerospace Survey and Earth Sciences, 2001.

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2

Kindt, R. Biodiversity conservation through agroforestry: Managing tree species diversity within a network of community-based, nongovernmental, governmental and research organizations in western Kenya. World Agroforestry Centre, 2005.

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Book chapters on the topic "Species diversity – Kenya"

1

Mergeay, Joachim, Dirk Verschuren, and Luc De Meester. "Daphnia species diversity in Kenya, and a key to the identification of their ephippia." In Aquatic Biodiversity II. Springer Netherlands, 2005. http://dx.doi.org/10.1007/1-4020-4111-x_25.

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2

Uku, Jacqueline N., and Kenneth M. Mavuti. "Comparative limnology, species diversity and biomass relationship of zooplankton and phytoplankton in five freshwater lakes in Kenya." In Studies on the Ecology of Tropical Zooplankton. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0884-3_18.

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Conference papers on the topic "Species diversity – Kenya"

1

Ngoka, Boniface Mutua. "Survey on diversity of wild silkmoth species and their potential role in forest based sericulture: A case study in Arabuko Sokoke Forest, Kenya." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.108819.

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2

Fungomeli, Maria, Fabrizio Frascaroli, Marcus Cianciaruso, Chiara Lelli, and Alessandro Chiarucci. "Plant Species Diversity of Kenyan Coastal forests: Gaps of knowledge." In 5th European Congress of Conservation Biology. Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/109186.

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Reports on the topic "Species diversity – Kenya"

1

Kindt, R., Q. Noordin, A. Njui, and S. Ruigu. Biodiversity conservation through agroforestry: managing tree species diversity within a network of community-based, nongovernmental, governmental and research organizations in western Kenya ICRAF Working Paper no. 2. World Agroforestry Centre (ICRAF), 2005. http://dx.doi.org/10.5716/wp13849.pdf.

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