Arid
DOI10.3832/ifor0532-003
Diversity, distribution and vegetation assessment in the Jahlmanal watershed in cold desert of the Lahaul valley, north-western Himalaya, India
Rawat, Y. S.1; Vishvakarma, S. C. R.1; Oinam, S. S.2; Kuniyal, J. C.2
通讯作者Rawat, Y. S.
来源期刊IFOREST-BIOGEOSCIENCES AND FORESTRY
ISSN1971-7458
出版年2010
卷号3页码:65-71
英文摘要

Relict vegetation in the Jahlmanal watershed is sparsely and scantily distributed on forest land. Farmers maintain tree species (Salix spp., Populus spp., Hippophae rhamnoides) on the boundaries of terraced agriculture fields to meet the fodder and fuel wood requirements. Juniperus macropoda was found in relict forest patches in sparse and stunted conditions. The density of Salix fragilis was 3340 trees ha(-1) under agroforestry and 5520 trees ha-(1) under forestry. The density of J. macropoda was 4200 tree ha(-1) in natural forest followed by 700 tree ha(-1) in agroforestry and 160 tree ha(-1) in managed forestry systems. The agroforesty system of the watershed consists of 30% trees, 35% small trees and 35% shrubs species. Shrubs contributed the highest density with 59.1% of the total, followed by density of trees (29.5%) and small trees (11.3%). Trees contributed highest basal area in all the three systems, i.e., agroforestry, forestry and forest. The relict forest patches are subjected to deforestation due to anthropogenic pressure, hence in-situ and ex-situ conservation are required. Efforts are needed for plantation of ecologically suitable multipurpose tree species with indigenous species in the watershed. Technological interventions are also required to improve the quality and resistance against drought and climate change.


英文关键词Vegetation analysis Agroforestry Forestry Forest Watershed Lahaul valley Cold desert Indian Himalaya
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000290234400003
WOS关键词NORTHWESTERN HIMALAYA ; SPECIES DIVERSITY ; TREE ; COMMUNITIES ; FOREST
WOS类目Forestry
WOS研究方向Forestry
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/164566
作者单位1.GB Pant Inst Himalayan Environm & Dev, Almora 263643, Uttarakhand, India;
2.GB Pant Inst Himalayan Environm & Dev, Himachal Unit, Mohal Kullu 175126, Himachal Prades, India
推荐引用方式
GB/T 7714
Rawat, Y. S.,Vishvakarma, S. C. R.,Oinam, S. S.,et al. Diversity, distribution and vegetation assessment in the Jahlmanal watershed in cold desert of the Lahaul valley, north-western Himalaya, India[J],2010,3:65-71.
APA Rawat, Y. S.,Vishvakarma, S. C. R.,Oinam, S. S.,&Kuniyal, J. C..(2010).Diversity, distribution and vegetation assessment in the Jahlmanal watershed in cold desert of the Lahaul valley, north-western Himalaya, India.IFOREST-BIOGEOSCIENCES AND FORESTRY,3,65-71.
MLA Rawat, Y. S.,et al."Diversity, distribution and vegetation assessment in the Jahlmanal watershed in cold desert of the Lahaul valley, north-western Himalaya, India".IFOREST-BIOGEOSCIENCES AND FORESTRY 3(2010):65-71.
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