scholarly journals Tree Diversity, Conservation Status and Utilization Potentials of Shasha Rainforest Reserve, Southwestern, Nigeria

2021 ◽  
Vol 8 (2) ◽  
pp. 182-190
Author(s):  
O.D Akinyemi ◽  
A.J Oloketuyi ◽  
G.O Akinyemi ◽  
O.T Adeoye ◽  
O.A Aina-Oduntan ◽  
...  
Keyword(s):  
Tree Species ◽  
Conservation Status ◽  
Sampling Technique ◽  
Population Diversity ◽  
Cluster Sampling ◽  
Stable Group ◽  
Southwestern Nigeria ◽  
Forest Reserves ◽  
Species Population ◽  
Potential Use

An inventory of the entire tree species ≥10cm diameter at breast height (dbh) was carried out within Forestry Research Institute of Nigeria (FRIN) investigation 133 Shasha in Osun State, Nigeria. This study was carried out to ascertain the tree species diversity, conservation status and utilization potentials in the study area. The results were obtained from 16 sample plots of 50×50m in four tracts located through cluster sampling technique. In all, an average total of 295 stands distributed among 66 tree species and 28 families were encountered. High value of Shannon-Weinner index H'=3.73 and Evenness of E=0.89 were obtained for the reserve. At present, only few trees have attained the merchantable size of 48cm dbh. The 63 tree species in the study site were categorized into four groups namely, stable, vulnerable, endangered and threatened status. The result revealed that stable group had 1.59%, vulnerable 4.76%, endangered 44.44% and threatened 49.21%. Result of the Utilization potentials revealed that utility classes 7 - 8 accounted for 55.6% (comprises of tree species with no potential use for sawn timber), while 45.4%. of trees in classes 1 – 6 comprises of trees with timber potentials. This study highlighted species population diversity, conservation status and utilization potentials of the study site and called for ecological application in the management of forest reserves in Nigeria.

scholarly journals Tree Species Diversity and Distribution in the Natural Forest of Onigambari Forest Reserve, Oyo State, Nigeria

2021 ◽  
Vol 25 (5) ◽  
pp. 829-834
Author(s):  
S.O. Olaoti-Laaro ◽  
D.M. Taiwo ◽  
K.A. Adeniji ◽  
S.A. Odewo ◽  
Z.T. Animashaun ◽  
...  
Keyword(s):  
Tree Species ◽  
Anthropogenic Activities ◽  
Diversity Indices ◽  
Population Based ◽  
Shannon Index ◽  
Simpson Index ◽  
Importance Value ◽  
Forest Reserves ◽  
Species Population ◽  
Evenness Indices

Anthropogenic activities has caused depletion of majority of Nigeria forest reserves, reducing forest lands to agricultural lands and grasslands. These prompted this study to consider the diversity of species as well as their species composition in the forest in February 2021. Four sub-plots were established in a cluster with an area of 50m by 50m, with 20m distance between each plots and 10m as edge effect. Twenty five tree species belonging to fifteen families were found in the study site. Family Malvaceae was the most represented. Triplochiton scleroxylon recorded the highest relative importance value (11.23). The diversity indices across the study plots assessed were species richness, evenness, Shannon index and dominance. Dominance indices across the study plots were low, asides for Plot 4 where. Triplochiton scleroxylon was dominant. Simpson index was highest in Plot 1 and lowest at Plot 4. Shannon index was highest, though in moderation in Plot 1 and relatively low in the remaining plots. Evenness indices across the four plots were high. However, the summarized diversity indices for the study site reflected dominance was generally low, Simpson index was high, Shannon index was moderate and Evenness index was moderate. The dendrogram depicted the relationship among the tree species population based on similarities and dissimilarities. Triplochiton scleroxylon belonged to a cluster while every other species with close similarity were categorized under cluster 2.

scholarly journals Students’ Satisfaction with Teaching Spaces: Study of a State-Owned University in Southwestern Nigeria

2021 ◽  
Vol 3 (2) ◽  
Author(s):  
O.A. Ayodeji
Keyword(s):  
Teaching And Learning ◽  
Sampling Technique ◽  
Physical Contact ◽  
Cluster Sampling ◽  
State University ◽  
Southwestern Nigeria ◽  
Engineering And Technology ◽  
Electronic Teaching ◽  
Students Satisfaction ◽  
Structured Questionnaire

Teaching spaces are needed for direct or physical contact between lecturers and students. The degree of students’ satisfaction with teaching facilities and services provided in our universities are likely to influence their academic performance. This study examined the factors influencing students’ satisfaction with learning spaces in Osun State University, Osun State, Nigeria. A sample size of 591 respondents drawn from 300 level and 400 level in the College of Science, Engineering and Technology (Osogbo Campus) and the College of Management and Social Science (Okuku Campus) were sampled through a structured questionnaire on a 5-point Likert scale using a random cluster sampling technique. The results revealed that students were very satisfied with the spatial and physical configurations of the teaching spaces. Attitude to learning and students’ subject understanding were highly and positively related to students’ satisfaction, their respective values were 0.751 and 0.721. The paper concluded with suggestions on how students’ satisfaction can be improved by providing facilities that will enable electronic teaching and learning.

ADOLESCENT BEHAVIOR IN UNWANTED PREGNANCY PREVENTION

2019 ◽  
Vol 1 (1) ◽  
pp. 41-46
Author(s):  
Arip Ambulan Panjaitan
Keyword(s):  
Sexual Behavior ◽  
Reproductive Health ◽  
Risky Sexual Behavior ◽  
Parental Education ◽  
Unwanted Pregnancy ◽  
Sampling Technique ◽  
Adolescent Behavior ◽  
Cluster Sampling ◽  
Chi Square ◽  
Cross Sectional

Introduction: Adolescent are at high risk of unwanted pragnency, including abortion, STIs, HIV/AIDS. Risky sexual behavior is one of the entrance transmissions of unwanted pregnancy. Such behavior can be influenced by various factors, beyond and within the individual factors. Teens need the support and motivation in deciding not to do risky sexual behavior. The purpose of this study was to investigate the determinants of adolescent behavior in the prevention of unwanted pregnancy.Methods: This research used cross-sectional design. The populations were students of senior high school in District Sintang. The were 123 respondents chosen by cluster sampling technique for this study. All data were collected using questionnaires and then analysed using bivariate (chi square) and multivariate analysis (logistic regression).Results: The results showed that the majority of respondents did not have good knowledge about the prevention of unwanted pregnancy. Related variable is the level of parental education (p=0.001), the support of parents/guardians (p=0.009), support teachers (p=0.005), peer support (p=0.039), residency (p=0.009), a pastime activity (p=0.000), knowledge of adolescents about reproductive health (p=0.016), perception ability of adolescents (p=0.006) and attitude of adolescents (p=0.049). Adolescent self-perception abilities are variables that most influence on the behavior of adolescents in the prevention of unwanted pregnancy.Conclusions: Efforts to improve reproductive health programs should be early and adolescent have responsibilities as well as healthy behaviors.

The Effect of Instructional Approaches and Learning Styles on Students’ Achievement of Grammar

2014 ◽  
Vol 11 (1) ◽  
Author(s):  
Rista Damesari Saragih ◽  
Lince Sihombing ◽  
Eddi Setia
Keyword(s):  
Learning Styles ◽  
Learning Style ◽  
Significant Interaction ◽  
Visual Learning ◽  
Sampling Technique ◽  
Cluster Sampling ◽  
Instructional Approaches ◽  
Vocational High School ◽  
Instructional Approach ◽  
Auditory Learning

The objectives of this research are to investigate whether: (1) students’ achievement of grammar taught by applying inductive approach higher than taught by applying deductive approach, (2) achievement of grammar of visual learning style students higher than achievement of grammar of auditory learning style students, and (3) there is an interaction between instructional approaches and learning styles on the students’ achievement of grammar. The population was students of Grade X of Vocational High School 1 Beringin Deli Serdang. Based on Cluster Sampling technique, two classes were chosen, namely Grades X1 and X3. The data were analyzed using a two-way ANOVA with 2 × 2 factorial design. The result reveals that (1) Students` grammar achievement taught by using inductive instructional approach is higher than that taught by using deductive instructional Approach (81,20 > 72,10), (2) Students with visual learning style have higher achievement in grammar than students with auditory learning style (81,90 > 72) and (3) there is significant interaction between instructional approaches and learning styles on students` achievement of grammar (4.906 > 3.96). Thus, it can be concluded that the application of instructional approaches and learning styles can affect students` achievement in grammar.   Keywords: Grammar; Instructional Approach; Learning Styles

Perbedaan Kontaminasi Bacteria Staphylococcus sp di Denominasi Uang Kertas Rupiah di Warung Jalan Adi Sucipto Kota Pontianak

2018 ◽  
Vol 1 (2) ◽  
pp. 166
Author(s):  
Sutriswanto Sutriswanto ◽  
Sugito Sugito
Keyword(s):  
Research Method ◽  
Sampling Technique ◽  
Cluster Sampling ◽  
Fisher Exact Test ◽  
Infectious Agents ◽  
Exact Test ◽  
Purposive Sampling ◽  
Paper Money

Abstract: Staphylococcus is a cause of infection. Infection can be transmitted from a source by an indirect through fomite. Paper money can act as transmission of infectious agents, money acts as a fomite. Smaller denominations of value have higher contamination. This study aims to analyze differences in contamination bacterial Staphylococcus sp on denomination of paper money Rp.2.000, 5.000, Rp.10,000 and Rp.20.000 that currently shop on Adi Sucipto street town Pontianak. The research method used in this research is in the form of difference and the sample in this research is denomination of paper money curently with sampling technique using cluster sampling. Checkup of Staphylococcus spon denomination of paper money using rinse method. On these result of study, denomination of paper money Rp.2.000 that is contaminated staphylococcus sp is 80%, denomination of paper money Rp.5.000 that is contaminated staphylococcus sp is 70%, denomination of paper money Rp.10.000 and Rp.20.000 that is contaminated staphylococcus sp is 80%. The data from result of study has been obtained were analyzed statistically by using fisher exact test, the result of p (0,477) >α (0,05) which mean as H1 is rejected. So it can be concluded there is no difference of contamination bacteria staphylococcus sp on denominations of paper money rupiah.Abstrak: Staphylococcus merupakan penyebab terjadinya infeksi. Infeksi dapat ditularkan dari suatu sumber dengan mekanisme tidak langsung melalui fomite. Uang kertas dapat bertindak sebagai transmisi agens infeksius ,uang berperan sebagai fomite. Pecahan uang yang lebih kecil nilainya memiliki kontaminasi yang lebih tinggi. Penelitian ini bertujuan untuk menganalisis perbedaan cemaran bakteri Staphylococcus sp pada pecahan uang kertas Rp.2.000, 5.000, Rp.10.000 dan Rp.20.000 yang beredar di warung jalan Adi Sucipto kota Pontianak. Metode penelitian yang digunakan dalam penelitian berbentuk komperatif dan sampel pada penelitian ini adalah pecahan uang kertas rupiah dengan.teknik pengambilan sampel menggunakan purposive sampling. Pemeriksaan Staphylococcus sp pada pecahan uang kertas rupiah menggunakan metode rinse. Pada hasil penelitian pecahan uang kertas Rp.2.000 yang tercemar staphylococcus sp adalah 80%, pecahan uang kertas Rp.5.000 yang tercemar staphylococcus spadalah 70%, pecahan uang kertas Rp.10.000 dan Rp.20.000 yang tercemar staphylococcus spadalah 50%. Berdasarkan data dari hasil penelitian yang telah didapat dianalisis menggunakan uji statistik fisher exact, didapatkan hasil p (0,477) >α (0,05) yang diartikan sebagai H1 ditolak. Sehingga dapat disimpulkan tidak ada perbedaan cemaran bakteri staphylococcus sp pada pecahan uang kertas rupiah.

scholarly journals Relationship between Peer Pressure and Risk of Eating Disorders among Adolescents in Jordan

2018 ◽  
Vol 2018 ◽  
pp. 1-8 ◽  
Author(s):  
Nihaya A. Al-sheyab ◽  
Tamer Gharaibeh ◽  
Khalid Kheirallah
Keyword(s):  
Eating Disorders ◽  
Disordered Eating ◽  
Peer Influence ◽  
Eating Behaviors ◽  
Peer Pressure ◽  
Sampling Technique ◽  
Cluster Sampling ◽  
Online Questionnaire ◽  
Cross Sectional ◽  
Disordered Eating Behaviors

Background. The prevalence of disordered eating behaviors (DEBs) have increased worldwide. It is estimated that about 31.6% of Jordanian adolescents developed DEB. Engaging in peer groups is a prominent event in which adolescents try to belong to peers as part of exploring their social identity. Purpose. To assess the relationship between risk of eating disorders and peer pressure among adolescents. Methods. A descriptive, correlational, cross-sectional design utilized multistage cluster sampling technique was used to recruit students from 8th to 10th grades from both sexes from schools in northern Jordan. Data were collected from a self-administered, online questionnaire which was given to 738 participants. Results. The difference in overall mean of the Inventory of Peer Influence on Eating Concerns (I-PIEC) between adolescents with disordered eating behaviors and normal eating behaviors states was statistically significant. Scores for interaction peer pressure means were statistically higher for girls than for boys; conversely, likeability mean scores were statistically higher for boys than girls. Conclusions. The current findings suggest that healthcare professionals are encouraged to conduct appropriate school-based primary prevention for disordered eating behaviors.

Factors influencing land title registration practice in Osun State, Nigeria

2017 ◽  
Vol 9 (3) ◽  
pp. 240-255 ◽  
Author(s):  
Benjamin Gbolahan Ekemode ◽  
Oluseyi Joshua Adegoke ◽  
Adetunji Aderibigbe
Keyword(s):  
Property Rights ◽  
Sampling Technique ◽  
Sampling Interval ◽  
Southwestern Nigeria ◽  
Content Type ◽  
Registration Process ◽  
Land Title ◽  
Factors Influencing ◽  
Importance Index ◽  
Title Registration

Purpose The registration of land titles is an important component of title documentation and certification process that is influenced by a variety of factors. The purpose of this paper is, therefore, to examine factors influencing land title registration practice in Osun State, Nigeria. Design/methodology/approach Data used for this paper were collected from 520 land title registration applicants, representing 48.10 per cent of the total number of applicants for land title/property rights registration in Osun State, Southwestern Nigeria, using systematic random sampling technique, with sampling interval k = 5. Data collected were analyzed using descriptive and inferential statistical techniques, such as frequency distribution and percentages, relative importance index (RII) and factor analysis. Findings The findings revealed that factors such as high cost of title documentation and corrupt practices of land registry staff had significant influence on land title/property rights registration process, while factors such as suitability of organizational structure and personnel competence/low morale had less influence on land title registration in the study area. Practical implications The findings of this paper suggest the inadequacies inherent in the land title registration process in the study area which has significant implications for land titling registration process in Osun State, the entire Nigerian state and other emerging African economies. Originality/value The paper is one of the few papers that analyzed the factors influencing land title registration from the perspective of end-users in an emerging African economy like Nigeria.

scholarly journals Efektivitas Program Bimbingan Karir Berbasis Teori Super untuk Mengembangkan Identitas Vokasional Remaja

2018 ◽  
Vol 4 (1) ◽  
pp. 14
Author(s):  
Agungbudiprabowo Agungbudiprabowo ◽  
Nurhudaya Nurhudaya ◽  
Amin Budiamin
Keyword(s):  
School Counselor ◽  
Career Guidance ◽  
Sampling Technique ◽  
Vocational Identity ◽  
Control Group ◽  
Cluster Sampling ◽  
Control Group Design ◽  
Group Design ◽  
Guidance Program ◽  
Quasi Experimental

The study aims to test the effectiveness of career guidance program to develop vocational identity of students. The study uses a quantitative approach with quasi experimental methods and non-equivalent pretest-posttest control group design. The study was conducted in SMK Muhammadiyah Imogiri Yogyakarta by taking a research subject that is a class XI student who is determined by random cluster sampling technique. An instrument which is used is the scale of vocational identity and observation guidelines. Results showed empirically career guidance program interventions based theory of Super effective to develop vocational identity of students. This research can be a reference for school counselor in developing vocational identity of students in the school especially those who are in adolescence

Sign in / Sign up

Export Citation Format

Share Document