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Diversity and distribution of Termite fauna in mid hill-range of Meghalaya (Eastern Himalayan region), India
International Journal of Tropical Insect Science ( IF 1.2 ) Pub Date : 2024-02-29 , DOI: 10.1007/s42690-024-01197-6
Kennedy Ningthoujam , Harish Rethinam , Karthik Ramappa , Mahesh Pathak , Ehkuparlang Gary Suting

A comparative study of termite diversity in different ecosystems (agricultural, horticultural and silvicultural ecosystems) was carried out in mid-hills of Meghalaya to understand the species diversity, richness and abundanceof termite. A standard transect method and tissue paper bait method were used for sampling the termites.Alpha diversity was analysed by using Shannon wiener index and Margalef’s D index for Species richness; and Simpson’s index for Species dominance; whereas Beta diversity was analysed by using Routledge Be index, Cody Bc index, Whittaker Bw index and Wilson and Shmida Bt index. In the study, a total of 10 species of termites were identified which belonged to three subfamilies viz., Macrotermitinae, Amitermitinae and Termitinae. Macrotermitinae was the most presiding subfamily among the collected termite fauna. Individual species dominance was observed to differ in different ecosystems however, Odontotermes spp. was widely distributed across the ecosystems.The number of species recorded in silvicultural, horticultural and agricultural ecosystem were 7, 3 and 1 respectively. The termite diversity was highest in silvicultural ecosystem and lowest in agricultural ecosystem. The lowest numbers of species recorded in ecosystem may be attributed to its abrupt human disturbance. Shannon Wiener, Margalef’s D and Simpson index in agricultural ecosystem, depicted less values compared to horticultural and silvicultural ecosystem. Among the ten species collected, one species i.e. Pseudocapritermis tikaderi which was sampled from silvicultural ecosystems was soil/humus feeder and the rest were wood/litter feeders.



中文翻译:

印度梅加拉亚邦(东喜马拉雅地区)中山白蚁动物群的多样性和分布

为了了解白蚁的物种多样性、丰富度和丰度,在梅加拉亚邦中山丘陵区开展了不同生态系统(农业、园艺和造林生态系统)白蚁多样性的比较研究。采用标准样线法和纸巾诱饵法对白蚁进行取样。利用Shannon wiener指数和Margalef's D指数对物种丰富度进行Alpha多样性分析;和辛普森物种优势指数;而Beta多样性则使用Routledge Be指数、Cody Bc指数、Whittaker Bw指数以及Wilson和Shmida Bt指数进行分析。在这项研究中,共鉴定出10种白蚁,属于3个亚科,即大白蚁亚科、阿米白蚁亚科和白蚁亚科。大白蚁亚科是所收集的白蚁动物群中最主要的亚科。然而,不同生态系统中个体物种的优势有所不同,土白蚁属(Odontotermes spp.)。在生态系统中分布广泛。造林、园艺和农业生态系统记录的物种数分别为7种、3种和1种。造林生态系统白蚁多样性最高,农业生态系统白蚁多样性最低。生态系统中记录的物种数量最少可能是由于人类的突然干扰。农业生态系统中的 Shannon Wiener、Margalef's D 和 Simpson 指数与园艺和造林生态系统相比描述的值较少。在收集的十个物种中,从造林生态系统中取样的一种物种,即Pseudocapritis tikaderi是土壤/腐殖质饲养者,其余是木材/枯枝落叶饲养者。

更新日期:2024-03-01
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