Patterns of species richness and micro-habitat occupancy among bryo-flora in mixed oak-conifer forest at Naina Peak, Nainital

R. Arya, S. Tewari, P. Joshi, S. Pant, D. Nainwal
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Abstract

We studied the bryophyte species richness and micro-habitat occupancy in a mixed oak-conifer forest (2100-2600 m) at Naina Peak, Nainital, Uttarakhand, India. The north-facing mesic site of the forest supported a greater diversity of bryophytes than that of the south-facing drier site. Altogether 146 species of bryophytes including 16 thalloid, 15 leafy liverworts, 2 hornworts and 113 mosses belonging to 48 families were documented. Amongst hepatics, leafy forms particularly the members of Frullaniaceae were found dominant over thalloid liverworts. The forest was found to support the dominant growth of acrocarpous mosses (57) followed by pleurocarpous (56). Amongst acrocarpous, the family Pottiaceae was recorded as predominant followed by the members of the pleurocarpous family Brachytheciaceae. The bryophyte species and communities associated with oak phorophytes were found to be richer and more abundant than that of the coniferous ones. Interestingly, 21 species of both liverworts and mosses turned out to be gemmiferous.
奈奈峰栎树-针叶林苔藓植物群落物种丰富度及微生境占用格局
本文研究了印度北阿坎德邦奈尼塔尔(Nainital)奈纳峰(Naina Peak) 2100-2600 m混交林苔藓植物物种丰富度和微生境占比。朝北的mesic立地比朝南的干燥立地支持更多的苔藓植物多样性。共记录苔藓植物146种,包括16种盐生植物、15种叶苔植物、2种角苔植物和113种苔藓植物,隶属于48科。在肝类植物中,叶状的肝类植物,尤其是果粒科的成员,在肝类植物中占主导地位。结果表明,该森林支持的优势生长类型为顶果藓类(57),其次为胸果藓类(56)。在大角蕨科中,大角蕨科占主导地位,其次是小角蕨科。与针叶林相比,栎树苔藓植物种类和相关群落更为丰富。有趣的是,有21种苔类和苔藓类都是双生植物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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