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作 者:张宁[1] 郭宾良 张楠[3] 肖志军[3] 张宝祥[3] 张建华[3] 谷建才[1]
机构地区:[1]河北农业大学林学院.河北保定071000 [2]保定市林业局,河北保定071000 [3]河北木兰围场国有林场管理局,河北承德068450
出 处:《水土保持研究》2015年第3期269-275,共7页Research of Soil and Water Conservation
基 金:河北省科技厅支撑项目“河北省滦河流域水源林经营关键技术研究与示范”(15227652D),“国有林场经营管理机制存在部题及改革模式研究”(13457525)
摘 要:为了比较落叶松4种林分的生长发育的优劣,对冀北山地落叶松4种典型林分生长过程和各类型林分生长过程比较分析,结果表明:(1)在林分A-D中落叶松生长状况为林分D>林分C>林分B>林分A;白桦的生长状况为林分D>林分C≈林分B;山杨生长状况为林分D>林分C;(2)同一林分中年龄相近的林分,林分B中的白桦好于落叶松的生长状况,林分C中的白桦和山杨好于落叶松,林分D中的白桦前期长势最好,其次落叶松和山杨,云杉由于刚刚进入中龄林,生长力相对较弱,并逐渐加强,最终成为优势树种。In order to compare the grovcth and development of the merits of the four stands of larix, growth processes of four typical different types of larch stand and various types of the other stands in mountain area of northern Hebei were comparatively analyzed. The results show that: (1) in the stands of A-D, the order of the larix growth condition is stand D〉stand C〉stand B〉stand A; the order of birch growth conditions is stand D)stand C or stand B; the order of aspen growth conditions is stand D〉stand C〉 (2) the same stand in similar age stand, in stand B the larch growth is better than the white birch, in stand C the birch and asp- en are better than larch, the birch of stand D grow is the best at early stage, followed by larch and aspen, due to the spruce just entering middle age, relative weak growth, gradually strengthening, spruce eventually became the dominant species.
分 类 号:S758.52[农业科学—森林经理学]
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