ICAR-Indian Institute of Soil and Water Conservation, Dehradun, 248 195, India.
National Bamboo Mission (NBM), Ministry of Agriculture & Farmers Welfare, New Delhi, India.
Environ Monit Assess. 2021 Jul 5;193(8):468. doi: 10.1007/s10661-021-09231-7.
Bamboos due to high soil water conservation potential are gaining increased attention in plantation programs across the globe. Large-scale plantation of fast-growing bamboo, however, can have important hydrological consequences. The study aims to quantify the eco-hydrological parameters, viz., throughfall (TF), stemflow (SF), and interception (I) in seven important sympodial bamboo species in north western Himalayan foothills of India. The species selected include Bambusa balcooa, Bambusa bambos, Bambusa vulgaris., Bambusa nutans, Dendrocalamus hamiltonii, Dendrocalamus stocksii, and Dendrocalamus strictus. Throughfall versus gross rainfall (GR) relationship in different species indicated high throughfall production during high rainfall events with r > 0.90. Average throughfall was lowest (62.1%) in D. hamiltonii and highest in B. vulgaris (74.6%). SF ranged from 1.32% in B. nutans to 3.39% in D. hamiltonii. The correlation coefficient (r) between leaf area index (LAI), number of culms, and crown area with the interception were 0.746, 0.691, and 0.585, respectively. The funneling ratio (F) was highest (27.0) in D. hamiltonii and least in B. nutans. Canopy storage capacity was highest in D. strictus (3.57 mm) and least in D. hamiltonii (1.09 mm). Interception loss was highest (34.4%) in D. hamiltonii and lowest in B. vulgaris (23.5%) and D. strictus (23.6%). Higher interception in bamboos make them suitable for soil conservation, but careful selection of species is required in low rainfall areas.
由于具有较高的土壤保持潜力，竹子在全球范围内的种植项目中越来越受到关注。然而，大规模种植速生竹会产生重要的水文后果。本研究旨在量化七种重要丛生竹种在印度喜马拉雅山西北部山麓的生态水文学参数，包括簕竹、巨龙竹、麻竹、玉山竹、版纳甜龙竹、巨龙竹和思茅甜龙竹。不同物种的穿透雨与总降雨量（GR）的关系表明，在高降雨量事件中穿透雨的产生率较高，相关系数（r）大于 0.90。平均穿透雨最低（62.1%）的物种是滇南甜龙竹，最高（74.6%）的物种是麻竹。茎流率在 1.32%（玉山竹）到 3.39%（滇南甜龙竹）之间。叶面积指数（LAI）、竹秆数和树冠面积与截留量的相关系数分别为 0.746、0.691 和 0.585。漏斗比（F）最高（27.0）的物种是滇南甜龙竹，最低（1.09）的物种是玉山竹。林冠储存容量最高（3.57 毫米）的物种是思茅甜龙竹，最低（1.09 毫米）的物种是滇南甜龙竹。滇南甜龙竹的截留损失最高（34.4%），而麻竹和思茅甜龙竹的截留损失最低（23.5%和 23.6%）。竹子具有较高的截留能力，适合用于土壤保持，但在降雨量较低的地区需要谨慎选择物种。
