Phytosociological Analysis of Functional Components in Silvipastoral Land Use Systems of Himachal Pradesh, India

Swaran Lata *

ICFRE-Himalayan Forest Research Institute, Conifer Campus, Panthaghati, Shimla-171013, Himachal Pradesh, India.

Shiv Paul

ICFRE-Himalayan Forest Research Institute, Conifer Campus, Panthaghati, Shimla-171013, Himachal Pradesh, India.

Vivek Chauhan

ICFRE-Himalayan Forest Research Institute, Conifer Campus, Panthaghati, Shimla-171013, Himachal Pradesh, India.

Varsha

ICFRE-Himalayan Forest Research Institute, Conifer Campus, Panthaghati, Shimla-171013, Himachal Pradesh, India.

*Author to whom correspondence should be addressed.


Abstract

Phytosociological studies are important for devising suitable conservation strategies of the plant genetic resources. Himachal Pradesh is a north-western Himalayan state with diverse landscape having rich and unique floristic diversity. Silvipastoral systems are one among the most prominent agroforestry land use systems which contributes significantly in productivity, ecological balance and livelihood of local communities. Thus, to know the status of floristic and phytosociological diversity in these land use systems, the present study has been conducted from April 2018 to March 2022 in 12 selected villages in Himachal Pradesh. Total number of plant species recorded in study area was 1046 (including 114 tree, 170 shrub and 762 herb species), belonging to 108 families and 538 genera. Poaceae, Asteraceae, Fabaceae, Rosaceae and Lamiaceae were the five most dominant families. Maximum tree density recorded for species Myrica esculenta (980 ind. ha-1) at site 3, Grewia optiva (660 ind. ha-1) at site 2 and Grewia optiva (640 ind. ha-1) at Site 1 Naun, Mandi, followed by Bauhinia variegata (630 ind. ha-1) at Site 2 Banalgi, Solan in zone-II. On the basis of IVI, Cedrus deodara (252.30) was most dominant species followed by Quercus oblongata (193.11), Pinus wallichiana (164.68) and Myrica esculenta (149.10). Among the shrubs Hippophae salicifolia (119.24) was most dominant species followed by Berberis lycium (96.14) and Berberis aristata (90.98). However, Achyranthus aspera (107.66) was most dominant herb species followed by Commelina benghalensis (97.50) and Sonchus asper (44.01). The lowest value of IVI was observed for Capsella bursa-pastoris (9.63) and Tanacetum dolichophyllum (10.54). According to CAMP (Conservation Assessment and Management Prioritization), 2013 nine species viz., Angelica glauca, Berberis aristata, Dioscorea deltoidea, Polygonatum cirrhifolium, Hyoscyamus niger, Bunium persicum, Ephedra gerardiana, Juniperus communis and Selinum vaginatum are threatened and requires conservation and management efforts. In past no study was conducted on floristic and phytosociology diversity of silvipastoral systems of Himachal Pradesh. Hence, present study will definitely act as base line data for further in-depth studies on restoration of degraded lands and silvipastoral system management and improvement programs. 

Keywords: Agroforestry, floristic diversity, important value index, North Western Himalaya, phytosociology, silvipastoral systems


How to Cite

Lata , S., Paul , S., Chauhan , V., & Varsha. (2024). Phytosociological Analysis of Functional Components in Silvipastoral Land Use Systems of Himachal Pradesh, India. International Journal of Environment and Climate Change, 14(2), 675–685. https://doi.org/10.9734/ijecc/2024/v14i23982

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