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Study on Urban Trees in Ekiti State University, Ado Ekiti, Nigeria: 1. Structure and Composition Iyanuoluwa Kikelomo Ajayi; Joshua Kayode; Benson Oluwafemi i Ademiluy
Budapest International Research in Exact Sciences (BirEx) Journal Vol 2, No 2 (2020): Budapest International Research in Exact Sciences, April
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birex.v2i2.872

Abstract

An inventory of tree biodiversity was carried in Ekiti State University, Ado-Ekiti, Nigeria, which is an institution where ecological and economic roles of trees are disseminated. The study involved the use of a stratified sampling technique to carry out a survey of trees species in the University. The campus was divided into four strata - Road side (A), Car parks (B), Office area (C), Student halls/ religion area (D) - and each stratum was further sub-divided into sub-strata. All the trees within each sub-stratum were identified to species level with their scientific, local and family names and they were counted and recorded. The relative frequency, relative density and relative abundance of the identified species were determined. Similarities indices and indices of diversity were determined on the tree species sampled among the strata. The results obtained revealed that a total of 27 tree species, belonging to 17 families were sampled in the campus. The family Caesalpiniaceae has the highest number of species. Some of the identified tree species were found in multiple and dual strata while some occurred in only one stratum. A total of 838 tree individuals were obtained. The most frequently occurring species were T. grandis, G. arborea and P. longifolia with 298, 181 and 149 individuals respectively. The indices of similarities among the strata were low. However Strata A and B as well as A and C appeared to be similar in tree composition. Strategies that would improve and maintain tree composition in the University campus were proposed
A Survey of Fruit Trees Species in an Urban Community in Ekiti State, Nigeria Iyanuoluwa Kikelomo Ajayi; Joshua Kayode
Budapest International Research in Exact Sciences (BirEx) Journal Vol 2, No 3 (2020): Budapest International Research in Exact Sciences, July
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birex.v2i3.1066

Abstract

A rapid appraisal technique was used to survey fruit trees species in Ifaki-Ekiti, an urban community in Ekiti State, Nigeria. The three major routes in the town and three educational institutions were sampled. Fruit trees within each stratum were identified to species level, counted and recorded. Similarity indices and indices of diversity in the occurrences of the species were determined among the strata. The perceptions of residents on the fruit trees were also determined through the use of a semi- structured questionnaire matrix administered on 20 randomly selected individuals in each of the stratum. Respondents’ indigenous knowledge on the species were determined and recorded. 96 fruit trees individuals belonging to 9 species and 6 families were sampled. The family Anacardiaceae has the highest number of species. The most frequently occurring species along the routes were Carica papaya, Anacardium occidentale, and Citrus sinensis with 12,10 and 8 individuals respectively and for the educational institutions were Anacardium occidentale, Mangifera indica and Carica papaya with 26,17 and 8 individuals respectively. 87% of the respondents were familiar with the cultivation of fruit trees and 67% of respondents were involved in planting of fruit trees in their household environment. Preference was skewed towards planting of fruit trees as food, source of vitamins and source of income. Strategies that could improve fruit tree diversity in the study area were proposed.