World Journal of
Pharmaceutical and Life Sciences

An International Peer Reviewed Journal for Pharmaceutical and Life Sciences
An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)
World Journal of Pharmaceutical and Life Sciences (WJPLS) has indexed with various reputed international bodies like : Google Scholar, Index Copernicus, Indian Science Publications, SOCOLAR, China, Cosmos Impact Factor, Research Bible, Fuchu, Tokyo. JAPAN, Scientific Indexing Services (SIS), Jour Informatics (Under Process), UDLedge Science Citation Index, Global Impact Factor (In Process), International Impact Factor Services, International Scientific Indexing, UAE, International Society for Research Activity (ISRA) Journal Impact Factor (JIF), Science Library Index, Dubai, United Arab Emirates, International Innovative Journal Impact Factor (IIJIF), Scientific Journal Impact Factor (SJIF), Eurasian Scientific Journal Index (ESJI), Indian citation Index (ICI), IFSIJ Measure of Journal Quality, 

Abstract

DIVERSITY OF PLANT SPECIES ALONG WITH INVASIVE ALIEN SPECIES OF SHOREA ROBUSTA GAERTN AND PINUS ROXBURGHII SARG (350-1900 M) FORESTS OF NAINITAL DISTRICT WEST HIMALAYA

Dr. Mamta Bharti*, Lalit M. Tewari, Ashish Tewari and Naveen C. Pandey

ABSTRACT

Biological invasions are often thought to be one of the leading threats to global biodiversity. Plant invaders of natural ecosystems, also termed ‘environmental weeds’, have been shown to inhibit the recruitment of resident native species by preventing seedling establishment and growth, and modifying plant pollinator interactions displace resident species through direct below and above ground competition for resources, such as space , water, nutrients, and light and modify or ‘engineer’ ecosystem processes and the physical resources of the recipient community, such sedimentation, nutrient cycling and disturbance regimes. In the present study the list and documentation of total associated plants species were prepared and total 247 species were found which includes 39 tree species, 65 species of shrub, 132 species of herb (grasses and climber). All these species belongs to 75 families and under 176 generas. Among all the families the most dominated family were Poaceae 27 species followed by Fabaceae 26 species, followed by Asteraceae 21 species, Lamiaceae 18 species and Malvaceae 10 species were recorded.

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