孟加拉国南部绿豆生产的气候变化风险认知和脆弱性

Nanda Kundu, Md Uddin
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引用次数: 0

摘要

气候变化及其多变性造成了不同的压力,对孟加拉国南部地区的豆类作物,特别是绿豆产生了负面影响。本研究旨在调查孟加拉国帕图阿卡利和巴尔古纳沿海地区绿豆种植者的气候变化风险认知和绿豆的脆弱性。采用面对面访谈的结构化问卷,在2022-23年期间从Patuakhali和Barguna地区收集了120个样本。样品的选择采用多级采样技术。收集到的数据采用描述性统计(即总和、平均值和百分比)和数学分析(即标准化气候变化风险感知指数(SCCRPI)和脆弱性指数)相结合的方法进行分析。该研究发现,这些地区的农民在罗比晚季和哈里夫季种植绿豆。在Patuakhali地区,干旱的SCCRPI值最高(77),盐度的SCCRPI值最低(33)。巴尔古纳地区SCCRPI值最高的是干旱(75),最低的是盐度(33)。这两个地区的农民都认为干旱是最令人担忧的问题,其次是虫害、降雨、病害、涝灾和盐碱化。Patuakhali和Barguna地区绿豆的易损性指数分别为0.34和0.35,表明绿豆的易损性处于中等水平,表明应采用改良技术和抗逆性品种,将不利的气候、社会和生物条件的风险降到最低。农民们回答说,三次收获是阻碍生产进程的主要原因,此外还有气候、生物和社会因素。培育同步品种、提供优质种子、开凿水渠、合理利用水闸等措施均可提高研究区绿豆产量。
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CLIMATE CHANGE RISK PERCEPTION AND VULNERABILITY OF MUNGBEAN PRODUCTION IN SOUTHERN BANGLADESH
Climate change and its variability cause different stresses that negatively affecting the pulse crop specially mungbean in the southern region of Bangladesh. The present study was conducted to examine the climate change risk perception of mungbean growers and vulnerability of mungbean in the coastal districts of Patuakhali and Barguna in Bangladesh. Using a structured questionnaire with face to face interviews, 120 samples were collected from Patuakhali and Barguna district during the period of 2022-23. The multistage sampling technique was used in selecting the sample. The collected data were analyzed using a combination of descriptive statistics i.e. sum, averages and percentages) and mathematical analyses i.e. Standardized Climate Change Risk Perception Index (SCCRPI) and Vulnerability Index. The study found that farmers in these regions grow mungbean during late Robi and kharif-ii season. In Patuakhali district, the highest SCCRPI value was for drought (77) and lowest value was for salinity (33). In contrast, the highest SCCRPI values in the Barguna district was for drought (75) and lowest value was for salinity (33), respectively. Farmers in both districts identified drought as the greatest concern, followed by insect attack, rainfall, disease infestation, water logging and salinity. The vulnerability index for mungbean in Patuakhali and Barguna district, respectively, is 0.34 and 0.35, which indicates a medium level of vulnerability and indicates that one should use improved technologies, stress tolerant variety that can minimize risk from unfavorable climatic, social, and biological conditions. Farmers responded that three times harvest was the main reason that hinder the production process along with others climatic, biological and social factors. Development of synchronized variety, availability of good quality seed, digging canals, proper use of sluice gate can increase the yield of mungbean in the study areas.
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