pinus tabulaeformis 中文意思是什麼

pinus tabulaeformis 解釋
約佔三分之一的針葉樹主要用油松
  • pinus : 類的新鮮葉子;增香劑
  1. Two hundred and ten sporocarps of c. rulilus and 260 sporocarps of s. granulatus were collected from pinus tabulaeformis stand in this study. c. rutilus population was divided into 108 genotypes and formed a large genet of 450 m, and 5

    Rams分析將210個血紅鉚釘菇子實體和260個點柄乳牛肝菌子實體分別分為108和99個基因型,最大基因型分別是450m和84m 。
  2. With the four forest community ' s age nearly the same, the order of different forest ground biomass of single tree was quercus liaotungensis > betulaplatyp hylla > popular davidiana > pinus tabulaeformis

    該研究揭示了森林群落自然演替的規律,對森林群落的經營管理和在黃土高原丘陵溝壑區進行林草植被建設和生態環境重建具有特殊意義。
  3. Turnover process and energy change of fine roots of pinus tabulaeformis and quercus aliena var. acuteserrata natural forests in qinling mountains

    銳齒櫟林細根周轉過程與能態變化
  4. This paper investigated the fungus flora of 8 main tree species, which are pinus tabulaeformis, larix principis - rupprechtii mayr, betula platyphylla suk, ostryopsis davidiana decne, ulmus pumila l., quercus liaotungensis koidz, populus davidiana dode, prunus ansu, in daqingshan mountain

    大青山地區環境惡劣、植被破壞嚴重,利用菌根生物技術實現植被恢復是一個重要方向。本文對大青山8個主要樹種,即:油松、落葉松、白樺、虎榛子、榆樹、遼東櫟、山杏菌根資源及生態進行了調查。
  5. The number of major 18s rdna sites is generally much more than that in angiosperms and varies markedly among pines. there are seven pairs of 18s sites in pinus tabulaeformis, five in p. desata, eight in p. yunnanensis, 10 in p. massoniana, six in p. latteri, three in p. bungeana, and ten for p. armandi

    其中主要位點數目,油松有7對,高山松5對,雲南松8對,馬尾松10對,南亞松6對,白皮松3對,華山松10對,平均在7對;另外,部分松樹還存在弱位點。
  6. From april to october of 2001, a 31 - year - old pinus tabulaeformis and quercus variabilis mixed stand was studied on forestland evapotranspiration and water balance in western mountainous area of beijing

    摘要2001年4 - 10月,對北京西山地區一塊31年生的油松、栓皮櫟混交林的林地蒸散和水量平衡進行了研究。
  7. The water consumption of transpiration of pinus tabulaeformis and quercus variabilis mixed stand has marked seasonal difference, and the standard specific conductivity of quercus variabilis in the growing season is 2. 6 times as high as that of pinus tabulaeformis

    油松和栓皮櫟混交林的蒸騰耗水表現出明顯的季節差異,栓皮櫟的生長季標準比導率明顯高於油松,是油松的2 . 6倍。
  8. See zones of chinese forest trees - seed zones of pinus tabulaeformis carr

    中國林木種子區油松種子區
  9. Fractal analysis on morphology distribution of the pinus tabulaeformis carr. root system

    油松根系形態分佈的分形分析研究
  10. Effects of thinning intensity on the development of undergrowth in pinus tabulaeformis plantations

    間伐強度對油松人工林植被發育的影響
  11. Correlation analysis between the psi and ash - content of pinus tabulaeformis in beijing city

    北京城區油松灰分含量與大氣質量指數相關分析
  12. Effect of natrual brassinolide on germination of pinus tabulaeformis and robinia pseudoacacia seeds

    天然油菜素內酯對油松和刺槐種子發芽的影響
  13. Carbon storage and carbon density of pinus tabulaeformis and pinus armandii forests at huoditang forest region in qinling mountain

    秦嶺火地塘林區油松和華山松林的空間分佈格局及碳儲量與碳密度研究
  14. Characteristics of soil fertility under pure pinus tabulaeformis forests and shrubs in badaling mountain area of beijing

    北京八達嶺地區油松與灌叢林土壤肥力特徵的研究
  15. Analysis the volatile constituents in peels of pinus tabulaeformis rabracrlifera

    掃帚松皮揮發性成分的分析
  16. Selection of primers and establishment of ssr - pcr reaction system on pinus tabulaeformis carr

    引物篩選及反應體系的建立
  17. Effect of ectomycorrhizal fungi on growth and physiology of pinus tabulaeformis seedlings under saline stress

    鹽脅迫下外生菌根真菌對油松生長及生理的影響
  18. Effect of drought stress on hydraulic architecture characteristics of pinus tabulaeformis and platycladus orientalis seedlings

    乾旱脅迫對油松側柏苗木水力結構特徵的影響
  19. 1. forests drought resistance the roots of pinus tabulaeformis, platycladus orientalis and robinia pseudoacacia were wrapped by plastic film, then the dry environment was made. the tests showed that the photosynthetic rate of p. orientalis was higher than that of p. tabulaeformis, but the transpiration was opposite. after one year of treating, photosynthetic rate of p. tabulaeformis reduced 55. 1 %, p

    測定結果表明,在相同乾旱的條件下,側柏的凈光合速率始終大於油松,而蒸騰速率則相反,在乾旱脅迫的第2年,油松光合速率比第一年降低了55 . 1 ,側柏降低了45 . 6 ,刺槐降低了56 . 2 。
分享友人