Habitat characterization and plant community classification of Surajpur Reserve Forest: a potential bird sanctuary in National Capital Region, India

N. Ansari
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Abstract

Surajpur Reserve Forest is a prominent forested wetland site in the National Capital Region, India, known for its rich floral and faunal biodiversity. The present study was conducted to assess the habitat characteristics, vegetation composition and plant community classification from March 2010 to February 2013. Stratified random sampling techniques applied for sampling of vegetation in circular and quadrat plots and TWINSPAN analysis was used in PC-ORD Software for classification of plant communities. A total of 257 vascular plants belonging to 214 genera and 65 families were recorded, including a comprehensive herbarium of 267 plant specimens have been recorded from 3 major habitats (woodland, grassland and wetland) and 9 microhabitats. A maximum of 157 plants in woodland, 73 plants in grassland and 65 plants in wetland habitat were recorded. Flowering and fruiting plants recorded maximum in monsoon followed by summers and winters. Various life-forms include 144 herbs, 39 trees, 31 grasses, 20 climbers, 12 shrubs and 11 sedges. A total of 51% plant species as abundant and 14% plant species as rare have been recorded. Woodland habitat recorded maximum density and diversity of herbs and shrubs. Five dominant plant communities have been identified in terrestrial and 3 in wetland habitat. The results indicate that Surajpur wetland supports a mosaic of habitat which enables the conservation and protection of threatened flora and fauna in an urban environment. The conservation implications are discussed in light of the results hitherto unreported.
印度首都地区潜在鸟类保护区苏拉浦尔保护区的生境特征和植物群落分类
Surajpur保护区森林是印度国家首都地区一个著名的森林湿地,以其丰富的动植物生物多样性而闻名。本研究于2010年3月至2013年2月对该地区的生境特征、植被组成和植物群落分类进行了评价。在PC-ORD软件中采用分层随机抽样技术对圆形样地和样方样地的植被进行采样,并采用TWINSPAN分析对植物群落进行分类。共记录到维管植物257种,隶属于65科214属,其中在林地、草地和湿地3个主要生境和9个微生境建立了综合植物标本馆,共记录到267种植物标本。林地共记录植物157种,草地73种,湿地65种。开花和结果植物记录最多的季节是季风,其次是夏季和冬季。各种生命形式包括144种草本植物、39种乔木、31种禾本科植物、20种攀缘植物、12种灌木和11种莎草。有记录的植物种类有51%为丰富,14%为稀有。林地中草本和灌木的密度和多样性最高。在陆地生境中鉴定出5个优势植物群落,在湿地生境中鉴定出3个优势植物群落。结果表明,苏拉浦尔湿地为城市环境中濒危动植物的保护提供了一种马赛克生境。根据迄今未报道的结果,讨论了保护意义。
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