forest tree species 中文意思是什麼

forest tree species 解釋
林木樹種
  • forest : n. 福雷斯特〈姓氏，男子名〉。n. 1. 森林，山林。2. （英國）皇家狩獵場。vt. 在…造林；使長滿樹林，使成為森林。
  • tree : n 特里〈姓氏〉。n 1 樹〈主要指喬木，也可指較大的灌木〉。 ★玫瑰可以稱為 bush 也可以稱為 tree 2 木...
  • species : n. 〈sing. , pl. 〉1. 種類；【生物學】（物）種。2. 【邏輯學】種。3. 【原子能】核素。4. 【法律】形式。5. 【宗教】聖餐物。
  1. Microarray analysis and plantlets regeneration of the transgenic norway spruce ( picea abies ) for low - content lignin norway spruce is one of the two most important forest tree species in europe and the preferred species for pulp manufacture

    挪威雲杉（ piceaabies ）是歐洲的主要用材樹種，也是重要的造紙原料樹種。其木材的主要成分除纖維素外，還有15 - 36的木質素。
  2. The essential rule of artificial restoration is matching tree by improving soil or matching site by improving tree species, and the livability of the regenerated coniferous forest reflected the affection of the topography on the artificial reforestation

    例如地形對林火跡地（重度火燒區和極重度火燒區）針葉林恢復的影響，它實質是地形對人工更新存活率的影響。
  3. Only a few forest tree species can develop viable seed from unpollinated ovules.

    只有少數林木可以從未授粉的胚珠發育成有活力的種子。
  4. Utilization of tree species by forest birds during winter and summer in secondary deciduous woods

    次生闊葉林中某些鳥類對樹種利用的研究
  5. Spatial distribution pattern of tree species populations and interspecific association in fraxinus mandshurica and juglans mandshurica forest community

    水胡林群落樹木種群空間分佈及種間關聯性
  6. The study shows that the early and late seed rains of constructive tree species in evergreen broadleaved forest at chongqing simian mountain had no activity. the bigger the seeds of the species and the earlier or later the seeds of the species matured, the higher the proportion of the seed rain damaged by animals. the quantitative variation of seed rain, active seed rain and seed bank did not take place at the same time. at early time, the number of seed banks of castanopsis fargesii, lithocarpus glabra, quercus myrsinrefolia, castanopsis plasyacantha, cinamomum subavenium. which own more active seed rain increased by geomitric series. the seed banks of castanopsis orthacantha and schima argentea were small, only survived a short time, and did not sprout next year. the quantitative dynamics of seed banks and their increasing or decreasing rates were decided by the proportion damaged by animals, dying speed of seeds and their resistance to pathogens and adverse circumstances, and the state of seed germination

    對重慶四面山常綠闊葉林建群種種子雨、種子庫的研究表明，建群種早期和晚期的種子雨無活力;種子偏早或偏晚成熟及大籽粒的樹種，其種子雨被取食的比例大;種子雨、有活力種子雨、種子庫三者的數量變化不一致;有活力種子雨量較大的栲、石櫟、小葉青岡、扁刺栲、香桂等，其種子庫密度在早期以近幾何級數的方式增長，元江栲、銀木荷種子庫小，存在時間短，翌年無一年生萌發苗;種子庫數量動態、消減率動態決定於種子被取食的強度、種子衰老的速度以及種子對病菌、逆境的抗性和種子萌發的整齊性
  7. Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos.

    許多林木樹種都有頸卵器，受精以後便產生許多原胚。
  8. Age structure of main tree species in community of tilia broadleaf korean pine forest on northern slope of changbai mountains

    長白山北坡椴樹闊葉紅松林群落主要樹種的年齡結構研究
  9. After analysis of tm / etm + data ' s advantage over the forest change detection, tasseled cap transformation, principal component analysis and normalized difference vegetation index were chosen to enhance the vegetation spectral information. expert classification system was adopted to extract the main tree species in the littoral shelter forest

    在分析etm +數據在森林資源監測中的優勢的基礎上，通過纓帽變換、主成分分析和植被指數法增強植被光譜信息，結合專家分類系統對沿海防護林主要樹種進行提取。
  10. According to climate condition, soil condition and afforesting tree species and water requirement rule of forest and grass, the paper analysed and calculated the slope length for collecting stream of three site preparation methods which were reverse - slope terrace, level trench and scale - hole, and the slope length for collecting stream of deferent gradients and planting bandwidths were acquired

    摘要根據寧南山區的氣候、土壤、造林樹種等，按照林草植被建設的水分需求規律，對不同水上流失區的反坡梯田、水平溝、魚鱗坑3種整地方式的集流坡面長度進行分析與推算，計算出了不同坡度、植樹帶寬度下的集流坡長。
  11. Based on the five types of the construction systems of the yellow river that are portioned according to the distribution region, position and function of the protection forest in ningxia autonomous region, the distribution of the system, the arrangement of tree species, the growth status and protection structure index are analyzed

    摘要該文在將寧夏段黃河護岸林防護林體系劃分為5種類型的基礎上，分析了該地區防護林的體系分佈、樹種配置、生長狀況及防護結構指標。
  12. Experimental plots were established for thinning effects on stand and tree growth, tree species composition, species diversity and soil factors etc. in the mixed larch - spruce - fir stands which originated from planted larch pure forest by observations for 12 years after thinning

    摘要以15塊人工落葉松純林演化后形成的落葉松雲冷杉混交林為對象，間伐后12年觀測結果，研究間伐對林分和樹木生長、樹種組成、物種多樣性及土壤等因子的影響。
  13. The effects of night chilling on chlorophyll fluorescence in seedlings of two tropical rain forest tree species

    夜間低溫對2種熱帶雨林樹種幼苗葉綠素熒光的影響
  14. Based on above - mentioned analysis, the strategy and measures to prevent the soil fertility quality degradation of artificial picea mature forest and improve the stand ecological environment were put forward, including the rational management of inter - cutting down and fostering after artificial picea forest matured. because conifer - hardwood forests generally contain more tree species than pure coniferous forest, and their structure also is more complex, forestation in subalpine of western sichuan should be conifer - hardwood forests

    林地土壤有機質主要來源於凋落物的分解，並受其分解速率的控制，解決當前人工成熟林地土壤退化的主要措施應為林地凋落物分解創造條件，即因地制宜地對成熟人工林進行間伐或輪伐，當前在該區域造林應避免營造針葉純林。
  15. Height niche of main tree species in gaps in karst forest in maolan nature reserve

    茂蘭喀斯特森林林隙主要樹種的高度生態位
  16. Quantitative classification and environmental interpretation of forest tree species in hungou, zhongtiao mountain

    中條山混溝地區森林喬木種的數量分類與環境解釋
  17. Study on population dynamics of chinese fir and its associated tree species in natural chinese fir - and - broad - leaved mixed forest in northwest fujian

    閩西北天然杉闊混交林杉木及其伴生樹種種群動態研究
  18. In structural genomics, genetic maps have been constructed for up to 40 forest tree species, more than 30 commercially important qtls have been detected, comparative mapping has been done for a few of forest tree taxa, and whole genome sequencing was completed for populus and is under way for eucalyptus

    結構基因組學方面，已構建了近40個主要造林樹種的遺傳連鎖圖譜，在不同樹種中定位了30餘個重要的數量性狀位點，在部分樹種中開展了基因組比較和綜合圖譜構建研究，楊樹的全基因組測序已經完成，桉樹的全基因組測序正在進行。
  19. Response of photosynthesis and antioxygenic enzymes in seedlings of three tropical forest tree species to different light environments

    熱帶雨林不同生態習性樹種幼苗光合作用和抗氧化酶對生長光環境的反應
  20. Light energy utilization and dissipation in seedlings of three tropical rain forest tree species with different ecological habits

    不同生態習性熱帶雨林樹種的幼苗對光能的利用與耗散
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