Fertility and mortality differentials among the Paundra Kshatriya community living in a peri-urban setting, West Bengal, India

Nova Geodesia Pub Date : 2023-03-11 DOI:10.55779/ng31104
D. K. Adak, Nitamoni Bharali, Niloy Bagchi, Tapas K Biswas
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Abstract

Relationship between fertility and mortality is well known, which exists among different populations of the world. This is known as a genetic phenomenon that has been operating in all human populations. This study examines fertility and mortality differentials among the Paundra Kshatriya community living in a peri-urban setting of West Bengal, India. Altogether, 249 Paundra Kshatriya women were interviewed. A subsample was drawn from this sample, numbering 98, who have completed their reproductive span. Differential fertility is 0.3134 and differential mortality is 0.1393, whereas, index of total selection intensity is 0.4964 according to Crow’s (1958) formula and 0.5980 according to Johnston and Kensinger’s (1971) formula in the study population. The higher value according to Johnston and Kensinger’s (1971) formula is probably because of inclusion of embryonic deaths in the latter. Findings of the present study reveals that differential fertility (If: 0.3134) contribute more than the differential mortality (Im: 0.1393) towards the total opportunity for selection (I=0.4964) in the study population. Paundra Kshatriya is placed with other populations of West Bengal like Jale, Tili, Muslim, Kayastha, Paschtya Vaidya Brahmin, Duley Bagdi, Namasudra and Lepcha in this respect.    
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生活在印度西孟加拉邦城郊的Paundra Kshatriya社区的生育率和死亡率差异
生育率与死亡率之间的关系是众所周知的,这种关系存在于世界不同的人口中。这是一种遗传现象,在所有人群中都存在。本研究考察了生活在印度西孟加拉邦城郊环境中的Paundra Kshatriya社区的生育率和死亡率差异。总共采访了249名Paundra Kshatriya妇女。从这个样本中抽取了一个子样本,共有98只,它们已经完成了生殖期。研究群体的差异生育率为0.3134,差异死亡率为0.1393,而根据Crow(1958)公式,总选择强度指数为0.4964,根据Johnston和Kensinger(1971)公式,总选择强度指数为0.5980。根据Johnston和Kensinger(1971)的公式,较高的值可能是因为后者包含了胚胎死亡。本研究的结果表明,在研究人群中,差异生育(If: 0.3134)比差异死亡率(Im: 0.1393)对总选择机会(I=0.4964)的贡献更大。在这方面,Paundra Kshatriya与西孟加拉邦的其他人口一样,如Jale, Tili, Muslim, Kayastha, Paschtya Vaidya婆罗门,Duley Bagdi, Namasudra和Lepcha。
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