1) China fir protection forest
杉木保护林
2) trees protective medicament
林木保护剂
1.
Agglutinants can raise and keep medicament effect,make the medicament well-distributed,which is regarded as an importance fact of checking the quality of trees protective medicament.
粘着剂在林木保护剂中起到提高药效、施药部位均匀着药、增长持效期的作用 ,是检验树木保护剂药效质量的一个重要方面。
3) Cunninghamia lanceolata forest
杉木林
1.
Based on a field investigation, the early recovery vegetation characteristics of Pinus massoniana forest, Cunninghamia lanceolata forest and evergreen broad-leaved forest, which had been burned severely one year before, in Maoan Forestry Centre of Chongqing were analyzed.
通过对重庆市北碚区茅庵林场马尾松林,杉木林和常绿阔叶林3种群落火烧1年后的迹地以及未火烧林地的群落学调查,研究了高强度火干扰后不同群落早期恢复植被特征。
2.
And all the 30 plots were divided into four types of landscape forests: broad-leaved forest,coniferous and broad-leaved forest,Pinus massoniana forest and Cunninghamia lanceolata forest.
杉木林物种数量明显偏少,林分密度大,达到3 967株。
3.
Based on the data of gaps in Cunninghamia lanceolata forest in Ancaoxia,China,the size and formation pattern of gaps as well as the quantitative characteristics of gap makers were studied.
根据安曹下杉木丰产林全林林窗样地调查资料,分析了杉木林林窗的大小结构、形成方式及林窗形成木的数量特征。
4) Chinese fir
杉木林
1.
Soil samples were collected in Nanping,Fujian Province(117°57′E,26°28′N)and characteristics of soil inorganic nitrogen were investigated for different Chinese fir plantations of 11-,21-,28-,40-,88-year-old,compared with a mixed broad-leaved forest and a 2-year-old cleared area from an 86-aged Chinese fir plantation,which were both adjacent to the 88-aged Chinese fir stand.
在福建南平杉木林中心产区,选取11、21、28、40、88年生杉木人工林以及采伐迹地、杂木林为研究对象,研究不同年龄杉木林土壤无机氮的差异。
2.
The carbon stock and carbon sequestration of Chinese fir in different generations were investigated in Ancaoxia and Denke of Xihou Village, Nanping City, Fujian Province.
对福建南平市王台镇溪后村安曹下及邓窠的不同代数杉木林C库和C吸存的研究结果表明,1代杉木林C库总量为251。
3.
<Abstrcat>Based on the observed date, the efficiency of temperature and humidity of Chinese fir plantation has been analyzed.
结果表明:由于杉木林冠层的作用,使杉木林内形成了温度变化平缓,林冠层对地表温和土温的调节作用远大于气温;由于冠层的阻滞作用,使林内风速很小,乱流交换较弱,林木蒸腾蒸发的水气不易散失,造就了林内水气充沛、空气湿润的特征;杉木林内显热能的日平均波动在2%,杉木林内环境的潜热能占总温湿能的8%左右;杉木林具有这样的温湿特征是杉木林的结构特征、杉木林生理功能与环境相互作用的结果。
5) Chinese fir forest
杉木林
1.
Forest resources inventories materials and data from China Forest Ecosystem Location Research Network(CFERN) were prepared for estimating 4 periods of carbon storage of Chinese fir forest ecosystem from 1977 to 2003.
利用中国4次森林资源清查资料以及中国森林生态系统定位观测研究站(CFERN)的实测数据,估算了中国1977-2003年4个时期杉木林生态系统的碳储量,分析了其年龄结构特征、垂直分配结构特征、时空动态格局和贮碳潜力。
2.
A comparative study was conducted for 2 a on soil biological activities of a 70-year-old fact-growingand high-yield Chinese fir forest (hillside), and a 32-year-old"young forest" of Chinese fir (hillside), whichwere originally occupied by broadleaved forests in Ancaoxia, Xihou, Nanping.
32a生杉木“青年林”土壤生物学活性下降则更为明显，说明从杉木取代阔叶林（头耕土）起，土壤生化活性及土壤肥力就存在明显下降现象，轮伐期缩短或林地连栽杉木代数增加，而不采取恢复地力措施，杉木林地地力衰退将更为明显。
6) Chinese fir plantation
杉木林
1.
Soil active organic matter in broadleaved forest and Chinese fir plantation in subtropical region of China
亚热带地区阔叶林与杉木林土壤活性有机质比较
2.
Chinese fir plantation and Masson pine plantation are two fire-prone fuel types distributed in Zhangping city,their fuel loadings determine fire behavior.
杉木林和马尾松是分布于漳平市的两种易燃的可燃物类型。
3.
Based on the data collected from located observation in successive years, comparative analyses were made in Chinese fir plantation at Huitong, Hunan.
多年定位观测的数据对比分析结果表明:湖南会同22年生杉木林采伐前,林地土壤(0～60cm)层中的C储量为160。
补充资料：北仑河口红树林自然保护区
北仑河口红树林自然保护区
北仑河口海洋自然保护区位于广西防城港市防城区和东兴市的北仑河（中越界河）河口三角洲我方一侧，面积为2680公顷。属于海洋和海岸生态系统类型，拥有河口海岸。开阔海岸和海湾海岸等地貌类型，主要保护北仑河口和珍珠港的红树林及其海洋自然生态系统。保护区具有红树林连片生长面积大、分布相对集中、生态景观奇特、地理位置特殊、动植物种类组成和群落结构随海岸类型变化而呈多样化等特征，在遗传、物种和生态系统等方面具有我国其他的海区不可代替的作用。
1990年3月，广西区政府批准在该地建立省级海洋自然保护区，1998年5月，由国家海洋局经国土资源部。向国务院申报，在1999年11月召开的国家级自然保护区评审会上获得全体评审委员一致通过，日前终获国务院批准建立为国家级海洋当然保护区。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条