Regeneration status and soil site characteristics of Spruce (Picea smithiana Wall. Boiss) dominated forest along altitudinal gradient in North Indian Himalaya

IF 4.7 Q1 ECOLOGY

生态学报 Pub Date : 2023-06-01 DOI:10.1016/j.chnaes.2022.03.005

Sameer A. Wani , J.A. Mugloo , Nazir A. Pala , Zubair A. Malik , P.A. Khan , T.H. Masoodi , K.N. Qaisar , Imran Khan , A.R. Malik

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引用次数: 2

Abstract

The present study carried out at three altitudes in Daksum range of Anantnag Forest division aimed to study the variation in floristic composition, community structure, regeneration status, soil characteristics and soil seed bank of Spruce dominated forests. A total of 47 plant species belonging to 41 genera and 29 families were reported. The number of species decreased with increasing altitude. Abies pindrow, Acer caesium and Pinus wallichiana were main tree associates of Picea smithiana. The regeneration of Spruce at all the sites was low and did not show any definite trend along the altitudinal gradient. There was a decrease in availability of OC, N, P, K, Fe and Zn with increase in soil depth at all the three altitudes. However, soil pH showed the reverse trend. There was an increase in availability of OC, N, P, K and Zn while decrease in pH and available Fe in soil with the increase in altitude. The viability of soil seed bank of spruce was found to be very low (15.36 to 18.18%). The study is a pioneer in this region in many aspects and hence shall be a benchmark for further management and conservation of this important species.

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云杉(Picea smithiana Wall)更新状况及土壤立地特征。沿海拔梯度分布于印度北部喜马拉雅地区的主要森林

本研究在安森林分区Daksum山脉的三个海拔高度进行，旨在研究云杉为主的森林的区系组成、群落结构、再生状况、土壤特征和土壤种子库的变化。共报道了29科41属47种植物。物种数量随着海拔高度的增加而减少。冷杉、青枫和壁松是史密斯云杉的主要伴生树种。云杉在所有地点的再生率都很低，并且沿海拔梯度没有任何明确的趋势。有机碳、氮、磷、钾、铁和锌的有效性随土壤深度的增加而降低。而土壤pH值则呈现相反的趋势。土壤中有机碳、氮、磷、钾和锌的有效性随海拔高度的增加而增加，而pH值和有效铁的有效性则随着海拔高度的升高而降低。云杉土壤种子库的生存能力很低（15.36%至18.18%）。该研究在许多方面都是该地区的先驱，因此应成为进一步管理和保护这一重要物种的基准。

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来源期刊

生态学报 Environmental Science-Ecology

CiteScore

5.30

自引率

0.00%

发文量

17028

审稿时长

68 days

期刊介绍： Our Journal publishes recent theories and novel experimental results in ecology, and facilitates academic exchange and discussions both domestically and abroad. It is expected that our journal will promote the development of and foster research talents for ecological studies in China.