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检索条件"主题词=Pine"
98 条 记 录,以下是11-20 订阅
排序:
Evaluation of ecosystem services of Chinese pine forests in China
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Science China(Life Sciences) 2008年 第7期51卷 662-666,668-670页
作者: GUO Hao ,WANG Bing,MA XiangQian,ZHAO GuangDong&LI ShaoNing Research Institute of Forest Ecology Environment and Protection of CAF,Key Laboratory of Forest Ecological Environment of State Forestry Administration,Beijing 100091,China Research Institute of Forest Ecology Environment and Protection of CAF Key Laboratory of Forest Ecological Environment of State Forestry Administration Beijing China
Evaluation of forest ecosystem services is a hot topic,both in China and at abroad,but it has not yet obtained a consistency of evaluation indicator systems and evaluation *** the framework of evaluation criteria to b... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Canopy gap characteristics and its influence on the regeneration of broad-leaved Korean pine forests in Changbai Mountain
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Journal of Forestry Research 1998年 第3期9卷 160-165页
作者: 于振良 郝占庆 Commission for Integrated Survey of Natural Resources Chinese Academy of Sciences Beijing P.R. China Institute of Applied Ecology Chinese Academy of Sciences Shengyang P.R. China
With the concem of regcneration, characteristics of canopy gaps in broad-leaved Korean pine forest were *** areas of actual gap, expanded gap and maximum gap were analyzed respectively. The species composition, number... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
THE NATURAL REGENERATION PATTERN AND PROCESS OF KOREAN pine POPULATION UNDER NATURAL POPLAR-BIRCH FOREST IN XIAOXING'AN MOUNTAINS
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Journal of Northeast Forestry University 1995年 第3期6卷 51-56页
作者: 王树力 池玉杰 吴士兵 Heilongjiang Forest Research Institute P.R. China Northeast Forestry University P.R. China Yicun Forest Administration Bureau Heilongjiang Province P.R. China
According to a great deal of field investigation and detailed indoor analysis, the natural regeneration pattern and process of Korean pine poputation under natural Poplar-birch forest has been uncovered. The results s... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
ENERGY DISTRIBUTION AND BIOLOGICAL PRODUCTIVITY IN KOREAN pine PLANTATION
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Journal of Northeast Forestry University 1994年 第2期5卷 46-53页
作者: 张彦东 Northeast Forestry University China
This investigation was carried out with the 28-year-old korean pine plantation in Maoershan Area of Heilonaiiang Province. The paper revealed the character of energy distribution in korean pine plantation. The total s... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
COMPARATIVE ANALYSIS ON THE LITTER IN KOREAN pine MONGOLIAN SCOTS pine AND DAHURIAN LARCH PLANTATIONS(Ⅰ) AMOUNT AND FLUCTUATION OF LITTER FALL
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Journal of Northeast Forestry University 1994年 第2期5卷 61-70页
作者: 沈海龙 丁宝永 张世英 Northeast Forestry University China
Investigations were made in korean pine, mongolian scots pine and dahurian larch plantations in Laoshan Plantation Experiment Station of Maoershan Experiment Forest Farm of Northeast Forestry University. Data are tabu... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Studies on the Dynamics of Endogenous GAs, ABA and IAA in the Shoot Apex of Chinese pine in Relation to Male Cone Bud Initiation
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北京林业大学学报 1992年 第S2期14卷 55-63页
作者: Yin Weilun Jin Youju Wang ShashengForest Resources College, Beijing Forestry UniversityZhang YunzhongBeijing Botanical Garden. Beijing 100093
The endogenous GAs, ABA and IAA in the shoot apices of 8-year-old Chinese pines, flowered, non-flowered and non-flowered but treated with GA4/7 were analyzed by *** results demonstrated that GA3 and GA9 levels were ob... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Toward a Decision Support System for Integrated Pest Management of pine Caterpillar
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北京林业大学学报 1992年 第S2期14卷 107-113页
作者: Ma Zhanshan Zhang Zhizhong Xu HouqingForest Resources College, Beijing Forestry UniversityWen XiujunForest Institute of Hebei Province. Shijiazhuang
A decision support system for IPM of the pine caterpillar, Dendrolimus spectabilis Buter, DS-IPM-DSS, has recently been developed using a GW-0520 CH microcomputer. The software system consists of , a Model Base and it... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
THE GENERATION IDENTIFICATION AND PROCESS OF DIGENESIS OF KOREAN pine FOREST
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Journal of Northeast Forestry University 1995年 第3期6卷 23-26页
作者: 陈动 寇晓军 刘晓东 Northeast Forestry University P.R. China
The generation identification of Korean pine forest is diseussed from a variety of aspects. Traditional methods of generation identification (according to age strueture or morphological data) are thought to be inaceur... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
STUDY ON DYNAMICS OF STEM FORM OF KOREAN pine TREES IN NATURAL FOREST STAND
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Journal of Northeast Forestry University 1995年 第3期6卷 27-29页
作者: 桑卫国 何忠秋 张成钢 Northeast forestry University P.R. China Forest Management Institute of Heilongjiang Province Harbin P. R. China
A new method was proposed to study the dynamics of stem form of matural Korean pine (Pinus koraiensis) trec. In natural Korean pine forest, the occurring time of maximum height and diameter is very difference. This pa... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
STUDY OF STRUCTURE AND DYNAMICS OF KOREAN pine FOREST IN THE XIAOXING′AN MOUNTAINS
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Journal of Northeast Forestry University 1994年 第4期5卷 1-5页
作者: 葛剑平 College of Forest Resources and Environment Northeast Forestry University China
The thesis for the Doctorate consist of two parts. The first is to study on structure, dynamics and tree growth of natural Korean pine forest. The second is to research for tree architecture, growth and stand structur... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论