Assessment of Structure and Natural Regeneration Capacity of Avicennia Marina and Bruguiera Gymnorrhiza Species of Mangroves in Mida Creek Kilifi County, Kenya

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dc.contributor.authorErasto, David Amakanga
dc.contributor.authorOkeyo, Benards
dc.contributor.authorDharani, Najma
dc.date.accessioned2023-06-12T12:36:07Z
dc.date.available2023-06-12T12:36:07Z
dc.date.issued2021
dc.descriptionresearch articleen_US
dc.description.abstractThe study assessed the structure, natural regeneration capacity and Biotic agents of Avicennia marina and Bruguiera gymnorrhiza species in Mida creek, Kilifi County. The study used both cross section and descriptive research design. Avicennia marina species was more dominant with a greater complexity index (A2.7, B0.4), basal area (A588cm2, B484cm2) and mean height (A26m, B10m) compared to Bruguiera gymnorrhiza species with both having an aggregate dispersion pattern. During dry season, Height, and diameter of Avicennia marina had a correlation of 0.56 while Bruguiera gymnorrhiza species had 0.78. During rainy season both had a correlation of 0.67. B. gymnorrhiza species had more straight poles than A. marina species, 75.3% of B. gymnorrhiza trees assessed had straight pole compared to 1.7% of Avicennia marina trees. Both Avicennia marina and Bruguiera gymnorrhiza species had fair regeneration capacity where the number of seedlings was greater than saplings and number of saplings was less than mature trees. Littoraria scabra fed mostly on micro-organisms and algae, Littoraria Glabrata fed mostly on mud surface, Sesarma guttata and Sesarma leptosoma fed on mangrove leaves, Cerithidea decollata fed on deposits and organic matter, Terebralia palustris and Selatium elongatium fed more on algae and leaves, Sesasrmi ortmanni, Metopograpsus oceanicus and Neosarmatium meinerti fed on leaves and young propagules, Barnacles and Oyster bunch on the roots and stems of B. gymnorrhiza species. Biotic agents were insignificant in affecting regeneration capacity of A. marina and B. gymnorrhiza species however combinations with climatic and anthropogenic factors affected Regeneration capacity of the two species.en_US
dc.identifier.citationDavid Amakanga Erasto, Benards Okeyo, Najma Dharani. Assessment of Structure and Natural Regeneration Capacity of Avicennia Marina and Bruguiera Gymnorrhiza Species of Mangroves in Mida Creek Kilifi County, Kenya. International Journal of Plant, Animal and Environmental Sciences 11 (2021): 262-294en_US
dc.identifier.other10.26502/ijpaes.202105
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/25774
dc.language.isoenen_US
dc.subjectStructureen_US
dc.subjectNatural regeneration capacityen_US
dc.subjectBiotic agentsen_US
dc.subjectComplex indexen_US
dc.subjectDispersion patternen_US
dc.titleAssessment of Structure and Natural Regeneration Capacity of Avicennia Marina and Bruguiera Gymnorrhiza Species of Mangroves in Mida Creek Kilifi County, Kenyaen_US
dc.typeArticleen_US
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