An explanatory survey was conducted to assess the contribution of plant diversity to the ecological and socio-economic condition of the rural household in the offshore island of Bangladesh. Assessment was done by means of multistage random sampling. The homestead sizes of the study area were classified into 3 groups viz, large (>0.25 ha), medium (0.05-0.25 ha) and small (<0.05 ha) based on the result obtained from a preliminary survey, and a total of 45 homesteads, 15 from each group, were selected randomly for the study.The average annual income from homestead's plant diversity varied from Tk 5730.00 (US$95.5) to Tk 17500.00 (US$291.67). The rural people were mainly dependent on their homegarden for woodfuel and nutritional requirement as forest was unavailable in the island. The rural people here also cultivated the plant species as a safety measure from frequent cyclone. Constraints hindering the development of homestead plantation were identified and suggestions were given such as the adequate supply of seedlings of fast growing native species and conservation of endangered species to meet the demand of the household as well as to keep ecological balance.
Climate change impact is one of the major burning issues all over the world where Bangladesh is one of the most affected areas. The aim of this study was to understand the climate-induced migrationrelated issues in the coastal areas of Chittagong. A total of 120 individual surveys and six key informant interviews were done in six unions of Banshkhali Upazila in Chittagong district. The result showed that agriculture and fishing practices are reducing compared to the past and people are more interested in migrating abroad. Among the six villages, the highest percentage of migration was found to be from the areas closer to the coast compared to others. Despite less awareness on climate change terms, most of the respondents have positively replied to the changes in the frequencies of climatic hazards. Several forms of driver, e.g. environmental, social and political are also discussed. The linear regression showed that the factors which positively influence the peoples' decision to migrate are average family age and social status. The dependency on agriculture, business near coast and fishing has a coefficient of −0.18, −0.36 and −0.24, respectively. Identification of community-based needs is important to ensure safe migration as an adaptation against climate change.
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