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- STUDY ON THE MEASURMENT METHOD OF THE ECOLOGICAL NICHE OF KOREAN PINE AND LARCH POPULATION IN ARTIFICIAL FOREST COMMUNITY 人工森林群落中红松、落叶松种群生态位计测方法的研究
- artificial forest community 人工林群落
- Soil Erosion and Soil Improvement of Three Artificial Forest Communities in Middle Yunnan Province 滇中三种人工林群落控制土壤侵蚀和改良土壤效应
- Species diversity of typical artificial forest communities of Huangqian reservior watershed 黄前水库集水区典型人工林群落物种多样性
- Studies of Yukeng Forest Community Characteristics in Xianju of Zhejiang. 浙江仙居俞坑森林群落特征研究。
- The study of niche on main species of forest community in Shanxi Huoshan Mt. 山西霍山森林群落主要种生态位的研究。
- Silvan area culmination of Italy like that forest occupy 79% , artificial forest occupy 2.. 意大利的森林面积中天然林占79%25;人工林占2.
- Influence of thinning on soil fertility in artificial forests. 抚育间伐对人工林土壤肥力的影响。
- Study on the initial planting density and its adjustment of Pinus sylvestris var. Mongolica Litvin. Artificial forest in the sand land. 沙地樟子松人工林初植密度及其调控研究。
- Succession of forest community is characterized by the changes in community organization. 森林群落的演替是以群落结构的变化为表现特征的。
- Insect (Lepidoptera) faunas of artificial forest deprived from farmland have been investigated in the Weibei gully test region of the Losee Plateau. 摘要对黄土高原南部的渭北沟壑区退耕还林还草后的昆虫区系进行了调查研究。
- This paper concerns water situation,soil constitution,PH value,organic matter content and humic composition of chernozem under different artificial forest. 本文对不同人工林下黑土的水分状况、土壤结构、酸碱性、有机质含量及腐殖质组成进行了研究。
- The forest community returned from farmland retained the characteristics of original farmland.Its dominant species was Gansu zokor in Qiaoshan, and Chinese zokor in Wuqi. 退耕林地啮齿动物群落保持了原农田群落的特点，其桥山林区的群落优势种是甘肃鼢鼠，而吴旗林区退耕林地为中华鼢鼠。
- The results showed that the forest community in this area has the features of clear structure,rich tree species,obvious dominant tree species and obvious succesion syndynamics. 结果表明，雾灵山自然保护区的森林群落层次结构明显，种类组成比较丰富，优势种明显，具有明显的动态演替特征。
- The vegetation data of the forest community in Wanmulin Nature Reserve, Fujian Province, are used as the information for analyses of flora and species diversity. 分析福建万木林自然保护区常绿阔叶林植物区系和群落物种多样性。
- By means of investigating roots reinforcement of Robinia pseudoaca- cia artificial forest cut before years of 2,4 and 6,among which the stump after 6 years of cutting had sprouted,it was showed that roots reinforece- ment of R. 通过对采伐后2年、4年刺槐林伐根和伐后曾经萌蘖的6年伐根的研究表明,刺槐林采伐后根系国土作用明显衰退,但并未立即消失。
- Lastly, by using the Niche preemption model, Broken stick model, Overlapping niche model and Logarithmic series distribution, species relative abundance distribution in forest community, thicket community and grassland community in ATB were studied. 最后，通过生态位优先模型、分割线段模型、重叠生态位模型、对数级数分布模型4种物种相对多度分布模型对安太堡矿区森林群落、灌丛群落和草地群落的物种多度进行拟合。
- This paper studied the distribution,flora,physiognomy,construction,regeneration and succession dynanic of Tilia mongolica forest in Wulingshan mountain and advanced measure of protecting and managing forest community. 为了加强天然林保护，在标准地调查和统计计算的基础上，分析研究了雾灵山蒙椴落叶阔叶混交林群落的分布、区系成分、外貌特点、结构特征和群落的更新演替规律，并提出了群落的经营保护措施。
- The area of artificial forestation, forest cover rate and forestry land were increasing steadily, but trees along the road and field were reducing greatly. 人工造林面积、森林覆盖率和林业用地面积平稳上升,但四旁植树株数下降幅度较大。
- In the rather dried ecological environment, preponderant vegetation is island forest community, and it has evidently hiberarchy with arbor, shrub and herbage in vertical direction. 较干燥生境的植被类型以岛状林群落为代表，乔木、灌木和草本植物层次分明。
