文献类型：期刊文献

中文题名：内蒙古大兴安岭兴安落叶松土壤种子库研究

英文题名：Research on Soil Seeds Bank of Larix gmelini Community in Daxing'anling Mountain

作者：郭鑫[1] 周海峰[2] 卢立娜[3] 贺晓辉[3] 李维向[3] 杨宏伟[4] 王利兵[5]

第一作者：郭鑫

机构：[1]鄂尔多斯市东胜区规划局;[2]大连西郊生物园绿化工程有限公司;[3]鄂尔多斯市林业治沙科学研究院;[4]内蒙古自治区林业科学研究院;[5]中国林业科学研究院林业研究所

年份：2015

卷号：0

期号：2

起止页码：166-170

中文期刊名：林业资源管理

外文期刊名：Forest Resources Management

收录：北大核心:【北大核心2014】；

语种：中文

中文关键词：兴安落叶松;土壤种子库;分布格局;种子活力

外文关键词：Larix gmelini,soil seed bank,distribution pattern,seed vitality

分类号：S791.222

摘要：对内蒙古大兴安岭成熟兴安落叶松纯林的3种不同采伐林分类型（原始林、渐伐林、皆伐林）的土壤种子库储量、质量及其垂直分布（枯枝落叶层、土层0～5cm和5～10cm）进行了研究，结果表明：不同的采伐林分生长状况，决定了不同的土壤种子储量，渐伐林种子储量最多，皆伐林种子储量最小；从种子库活力程度看，种子整体质量非常差，完整种子中大部分为空粒种子，各林分均为70％左右；土壤种子库中种子集中分布在枯枝落叶层中；各林分林下均有幼苗，表明兴安落叶松纯林土壤种子库种子具有一定的萌发能力。
The density,quality and vertical distribution(litter layer,soil layer 0 ~5 cm and 5 ~10 cm)of soil seed bank of 3 different cutting types(virgin forest、successive cutting forest,clear-cutting forests)on maturation of Larix gmelini pure forest in Daxing'anling Mountains were investigated.The results showed that 1)growth status of cutting forests determines soil seed densities and the successive cutting forest had the largest seed reserves and clear-cutting forest was the minimum,2)the seed qualities were low and al-most 70% seeds were empty in each stand,3)soil seeds intensively distribute in litter layer,4)each stand had understory seedings which indicated that the soil seed bank of Larix gmelini pure forest had cer-tain potential of germination.