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OALib Journal期刊
ISSN: 2333-9721
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浑河上游4种典型林分类型枯落物持水特征
DOI: 10.3969/j.issn.1000-2006.2013.01.005, PP. 31-36
Keywords: 林分类型,枯落物,持水特征,浑河上游
Abstract:
对浑河上游4种典型林分类型的枯落物持水特性进行了研究。结果表明:枯落物总蓄积量的大小依次为日本落叶松人工林(21.89t/hm2)、辽东栎天然次生林(18.58t/hm2)、核桃楸阔叶混交林(15.03t/hm2)、冷杉针阔混交林(14.38t/hm2);枯落物最大持水量的大小依次为日本落叶松人工林(55.93t/hm2)、辽东栎天然次生林(50.42t/hm2)、核桃楸阔叶混交林(37.84t/hm2)、冷杉针阔混交林(35.84t/hm2);枯落物有效拦蓄量大小依次为日本落叶松人工林(42.72t/hm2)、辽东栎天然次生林(39.09t/hm2)、核桃楸阔叶混交林(27.41t/hm2)、冷杉针阔混交林(25.94t/hm2)。基于日本落叶松人工林和辽东栎天然次生林均有较高的枯落物蓄积量和较高的持水和拦蓄降水能力,在今后的水源涵养林建设时,宜选用日本落叶松、辽东栎为主要树种营造各种混交林。
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