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- secondary forest growth 再生林
- Cut over forest Secondary forest that has already been logged but regrown. 砍伐过的森林,再生林已砍伐过,但又再生的次级森林。
- The yield difference between ravine rainforest and secondary forest was not significant. 沟谷雨林和次生林下阳春砂仁果实产量差异不显著.
- Habitat and Ecology: In secondary forest of mountains. Flowering: Mar.-Apr.; fruiting: Aug.-Oct. 生境与生态:生于山地次生林中。花期:3-4月;果期:8-10月。
- Characteristic analysis on different thermal active surfaces in canopy gap of tropical secondary forest. 热带次生林林窗不同热力作用面特征分析。
- Six experts in forestry science and economics say forest growth is on the rise in some countries and the number is increasing. 六个在森林科学与经济方面的专家认为一些国家的森林面积正在增长,且这些数字正逐步增加。
- Study on Management Technology of Secondary Forest of White Birch in Daqingshan Mt. 大青山白桦次生林经营技术研究。
- The minimums of similarity coefficient were between the natural secondary forest and the rests. 封山育林区和天然次生林区物种丰富度指数高于其他样地。
- The main obstacle to forest growth are fast-growing poor populations that burn wood for cooking fuel, or sell it for quick money or clear forest for crops. 表明森林增长的阻碍在于贫困国家人民燃烧、贩卖太多的木材或者毁林种庄稼。
- Part of the area which is not under cultivation may have the appearance of a secondary forest. 林地中尚未耕作的部分看上去如同次生林。
- The change of this DOC concentration with soil depth was greater under the natural secondary forest or plantation than cropland or rangeland. 这些doc浓度与土壤湿度及凋落物层碳贮量正相关显著。
- This paper reports the study of APMP using mixed hardwood, which grows in the secondary forest in Liaoning eastern mountain area. 对辽宁东部山区次生林中的混合硬杂木 ,利用APMP制浆方法进行了研究。
- Gebang River,20km in length, is located in the secondary forest belt of virgin forest,it has a reputation of "Jiuzhaigou of Guizhou". 蛤蚌河全长20余公里,为原始森林次生林带,有“贵州九寨沟”之誉。
- Kanas Lake is a winter cold temperate climate, long summer without winter, spring and autumn connected, the average July temperature of 15.9 degrees, is suitable for Lin boreal forest growth. 喀纳斯湖属寒温带高寒气候,长冬无夏,春秋相连,七月平均气温15.;9度;非常适宜寒温带林林木的生长。
- Habitat and Ecology: On moist places in secondary forests of mountain ridge. 生境与生态:生于山顶次生林中潮湿的处。
- Because the tree growth model is the basis of construction of forest growth, many national and international researchers put a geat interest in the subject and amounted a lot of famous growth models. 由于树木生长模型是构建林分生长模型的基础,因此国内外许多林业研究者给予了极大关注并发表了许多著名的生长模型。
- The plantation managements in the process of the whole forest growth must be made from the goal of production and carried out effectively to set up the plot management, the control system, etc. 人工林的全过程管理必须从目标产量确定,推行小班经营法以及建立有效的控制制度等方面着手。
- Open woodland, the trees grow tall and farming areas, the dry bush, secondary forest, orchards and rice fields, and so they are also the activities of the regional. 开阔林地、生长高大树木的农耕区、干燥的灌木林、次要林区、果园和稻米农田等也都是他们活动的区域。
- The results showed that both the quantity and quality (N and C/N) of litter in the 35-year secondary forest were higher than those of the 23-year secondary forest and the seasonal rainforest. 所获数据表明,地表凋落物数量(现存量干重)和质量(N和C/N)总体上表现为35年次生林最好,23年次生林次之;
- Modelling Forest Growth and Thinning 森林生长与干扰模拟