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Study on Agroforestry and Plant Diversity in the Char Gobadia of Mymensingh District

A. Zico
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

M.A. Mondol
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

M.A. Wadud
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

Z. Alam
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

G.M.M. Rahman
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

Abstract/ Executive Summary:

The study was conducted at Char Gobadia of Mymensingh Sadar upazila of Mymensingh district to determine plant diversity and its impact on livelihood improvement and to explore their relationships with the selected characteristics of the farmers of the study area. One hundred farmers were selected for the study. An interview schedule with simple technique and visual observation were used to determine the selected parameters. The respondents were selected randomly and used for collecting data during the period from 10 July to 25 August, 2011. Pearson’s product moment corrrelation co-efficient (r) was used for statistical analysis along with the usual descriptive statistical parameters. A total of 46 different plant species were recorded in the study area. The different categories of plants as 6 timber species, 6 medicinal species, 10 fruit species, 3 fuel species, 13 vegetable species and 8 crop species were recorded. Akashmoni, eucalyptus and jackfruit were the dominant timber species.In case of medicinal plans, neem, datura and basak were the dominant species. Among fruit species betelnut, coconut, jackfruit and mango were dominant. Bokain, goraneem and gamar were mainly used as fuelwood plant species. Among the crop species bittergourd, bottol gourd, country bean, okra are dominant species. Chilli, jute, maize are dominant crop species. The respondents of Char Gobadia gave much priority on mahogoni, lambu, karanja and eucalyptus as timber plant species and regarding fruit plant they gave much priority to mango, lemon, guava, papaya, appel-kul, BAU-kul. For vegetable cultivation they prefer bottle gourd, radish, tomato, sweeet gourd and for crop chilli, jute and rice. Average numbers of plant species/family and plant density were found 12.33 & 0.265 respectively. The relationship between the plant diversity and the selected characteristics showed that only family size and age has no significant relationship with plant diversity. Education, total land area, annual income, knowledge on agroforestry and knowledge on tree has direct relationship with plant diversity.

Keywords: Plant diversity, Plant species, Agroforestry, Char area, Plant density

Location: Char Gobadia of Mymensingh Sadar upazila of Mymensingh district

Start Date: 10-07-2011

End Date: 25-08-2011

Program Area: Conservation and Biodiversity

Non-commodity: Adoption of technology

Objectives:

1. To observe the plant diversity, Agroforestry systems and its impact on the livelihood improvement of the farmers of char Gobadia areas of Mymensingh district.

Methodology:

Location of the study area: Keeping in view all the objectives of the study and considering the limitations on the research with respect to time, manpower and other facilities Mymensingh Sadar is located at 24°45′00″N 90°25′00″E. Char Gobadia is situated in 6 no. char Ishurdia of Mymensingh Sadar Upazila. The total area of Gobadia is 3,650 km². Total number of population is 4680 where 2321 are male and 2259 are female. Population and sampling procedure: Data has been collected from a sample rather than whole a bunch of people involved considering the limitation of time, money, and energy. The Agroforestry practicing people of Gobadia constituted the populations for the study. A sample of 100 farmers has been elected following a multistage random sampling procedure. In the first step one union from Mymensingh Upazila i.e., one char area is selected by using table of random numbers. In the second step the Agroforestry practicing farmers were enlisted for the selected area. There were altogether 100 farmers selected as sample size for this study. Preparation of survey schedule: In conformity with the set objectives of the study, a set of preliminary interview schedules/questionnaire has been designed for collection of data for the study. The interview schedule/questionnaire had been carefully designed in such a way that all factors associated with the economic organization and performance of the fat-in business could be included. Simple questions and/or statements regarding the n-basic factor were included in the schedule. The draft schedule has been pre-tested 1) interviewing some sample farmers of Char Gobadia in Mymensingh Sadar Upazila by the researcher himself. Thus, the final survey schedule has been prepared in a simple manner maintaining logical sequences and necessary adjustments. Variables of the study: Two types of variables are observed in this study viz., independent and dependent variables. Independent variables were farmer characteristics represent the independent variable in this study. Total seven characteristics of farmers selected for this study as independent variable which are as: age, education, family size, farm size, annual income, knowledge about tree and knowledge about Agroforestry. Dependent variable is plant species diversity treated as dependent variable of the study. Data collection and processing: To get valid and pertinent information, the researcher made all possible effort to explain the purpose of the study to the respondents. The help of leader farmers made appointments with the interviewer in advance. The researcher administered the interview schedule personally to the respondents. Rapp on has been established with the respondents though informal discussion regarding objectives of the interview. Co-operation has been obtained from respondents during data collection; Data were collected from 10 July to 25 August, 2011. Data collected from the respondents (samples) has been verified, complied, tabulated and analyze statistically according to the objectives of the study. In some cases, qualitative data has been converted into quantitative data by means of suitable scoring to facilitate interpretation. Analysis of data: After data collection, those has been complied, tabulated, and analyzed statistically in accordance with objectives of the study. Qualitative data has been converted into quantitative one by means of suitable scoring techniques wherever necessary. Descriptive statistics such as number and percentage, range, frequency count, mean, standard deviation and rank order has been used in describing variables of the study. Pearson's product moment correlation co-efficiency (r) has been used in order to explore the relationship between the concern variables.

Source of Information: J. Agrofor. Environ. 5 (2): 101-104, 2011; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The different categories of plants as 6 timber species, 6 medicinal species, 10 fruit species, 3 fuel species, 13 vegetable species and 8 crop species were recorded. Akashmoni, eucalyptus and jackfruit were the dominant timber species.In case of medicinal plans, neem, datura and basak were the dominant species. Among fruit species betelnut, coconut, jackfruit and mango were dominant. Bokain, goraneem and gamar were mainly used as fuelwood plant species. Among the crop species bittergourd, bottol gourd, country bean, okra are dominant species. Chilli, jute, maize are dominant crop species. The respondents of Char Gobadia gave much priority on mahogoni, lambu, karanja and eucalyptus as timber plant species and regarding fruit plant they gave much priority to mango, lemon, guava, papaya, appel-kul, BAU-kul. For vegetable cultivation they prefer bottle gourd, radish, tomato, sweet gourd and for crop chilli, jute and rice. Average numbers of plant species/family and plant density were found 12.33 & 0.265 respectively. The relationship between the plant diversity and the selected characteristics showed that only family size and age has no significant relationship with plant diversity. Education, total land area, annual income, knowledge on agroforestry and knowledge on tree has direct relationship with plant diversity.

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