forest stand 中文意思是什麼

forest stand 解釋
林分
  • 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。
  • stand : vi （stood ）1 站立，站起來 （up）; 站住，站定 （opp sit lie kneel couch squat）。2 （房子等）在...
  1. Russula subnigricans hongo grows fast after shower in the later summer and early autumn when it was hot. they emerged in the forest stand in which crown density was 0. 9 or so. soil ph was 5. 75, and fagaceae species dominated

    每年在夏末秋初高溫陣雨之後為發生盛期。發生地林間郁閉度0 . 9左右，土壤ph值5 . 75 ，其共生樹種以殼斗科為主。
  2. According to the law of different forest stand can arise different forest fire, based on the existing forest distribution at the badaling forestry center, the area percentage of different forest types, forest age, crown density and slope for each sub - compartment were analyzed, and based on the different characteristics of each sub - compartment, some rational methods of fire prevention were put forward

    摘要本論文基於不同的林分能引起不同的林火特性規律，針對北京八達嶺林場林分狀況，統計分析了各林班不同林分類型、林齡、郁閉度、坡度的面積分佈百分比，根據不同林班林分特點，提出了合理的營林防火措施。
  3. Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased

    結果表明： （ 1 ）從落葉松幼齡林到中齡林，隨著林冠的郁閉和林下植被蓋度的急劇下降，林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢，而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢；從中齡林到近熟林，由於撫育間伐，林分密度及郁閉度下降，林下植被蓋度逐步得到恢復，根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢；從近熟林到成熟林，隨著林齡的增大，根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢，而根際與非根際土壤全磷含量、土壤酸度（特別是交換性鋁）和容重呈增加趨勢。
  4. In the civilization ecotourism resource serials the majority is about historical heritages, totaling 12 patterns, which scores are all below 1. 0, except the relic of the old city and site of military recovery, which shows the historical heritage ecotourism resources ca n ' t be regarged as the guiding resources, but the recuperating and spending holiday patterns of resources stand out. it is because ningwu have many advantageous resources on ecotourism arid forest recuperation with self - contained and well - circulating biology chains and crude ecosystem - guiding by the policy of " protection, development and utilization " and " extruding themes, multiplying functions and integrating mass ", the author sheds the viewpoint of the development frame of " five regions and two activities " in ningwu on the basis of quantitative evaluation. the five regions means taking the advantage of mountains to develop luya mountain ecotourism region, of lakes to develop tianchi ecotourism region, of headstream to develop fen river ecotourism regi

    按照「保護、開發、利用」三位一體和「主題突出、功能多樣、渾然一體」的開發方針，充分發揮寧武「自然與人文旅遊資源組合較佳」的優勢，本文在定量評價的基礎上進一步提出了寧武縣「五區、兩活動」的開發框架，即:以「山地」為依託，開發蘆芽山生態旅遊區;以「湖泊」為依託，開發天池生態旅遊區;以「源頭」為依託，開發汾源生態旅遊區;以「古城」為依託，開發寧化名勝生態旅遊區;以「古關」為依託，開發寧武關名勝生態旅遊區;圍繞「歷史文化」開展文化生態旅遊活動;圍繞「風物特產」開展土特產生態旅遊活動
  5. The analysis results showed that the forest landscape of national forest park of nanwan forest park are classifiedby 6 type : pine plantation, cunninghamia lanceolata forest, oak stand, bamboo forest chinese chestnut forest and tea gardon, etc

    分析結果表明：南灣國家級森林公園森林景觀共有松林、杉林、櫟林、竹林、板栗林和茶園等6種類型。
  6. We choose the forest appearance tidiness, representative stands serving as standard plots, 40 stands were set up at qinling, hanzhong, huanghong in shaanxi respectively, measure every tree in the stands, measure the actual increase by the dominance tree, the time series model of individual age and diameter of quercus variabilis was established according to the actual diameter of quercus variabilis population by the fluctuant time series, the comparison of simulation and reality value of the every stand of quercus variabilis population diameter increase through the four models, the average simulation difference within 1. 5 %, the accuracy is 97. 8 % the simulation effect is better

    在陜西的秦嶺、漢中、黃龍地區選擇林相整齊、有代表性的地段作為標準地，設置樣方40個，對各樣方內的林木進行每木檢尺，通過優勢木解析的方法，測得栓皮櫟種群胸徑的實際生長量，運用起伏型時間序列分析，建立了栓皮櫟種群個體年齡與胸徑生長的時間序列模型，四個模型所得的各個樣地栓皮櫟胸徑生長的模擬值與實際值進行比較，其模擬平均誤差都在1 . 5 %以內，平均精度達到97 . 8 % ，模擬效果較好。
  7. The study has investigated and compared soil physical, chemical, biochemical properties of eight stands on paired sites in mountainous regions of northeastern china, trying to look for the mechanism of soil degradation and the change trend of soil properties in different age of plantations in relations to forest productivity. the eight stands are 4 first rotation of larix olgensis plantations with different age classes, the second rotation of larix olgensis young stand, pinus sylvestris var

    本文通過固定和典型樣地，對東北山地不同生長發育階段落葉松人工林和二代落葉松幼齡林以及與二代落葉松幼齡林同一塊林地的樟子松幼齡林、天然次生林、落葉松水曲柳混交林等8個林型土壤質量進行了對比與分析，深入探討了落葉松人工林土壤質量降低的機理和不同發育階段土壤質量變化規律以及與森林生產力變化的關系，並提出了林地土壤質量調控措施。
  8. There are also the scenic attractions of " rainbow reflection at south bridge ", " wooden dragon ferry ", " old man stand high ", " six caves in yin mountain ", " buddha carvings in western hill ", " taohua river embracing green ", " moon reflection at floral bridge ", " crimson clouds at camel peak ", " stele forest in guihai ", " the tomb of king of jingjiang ", " watching tides at yao mountain ", " hanging moon, over chuan mountain ", " exquisite reflection of pagoda mountain ", " jade screen at south creek " and " water mansion at guanyan cave.

    此外還有南橋虹影木古渡老人高風隱山六洞西山佛刻桃江擁翠花橋映月駝峰赤霞桂海碑林靖江王陵堯山觀濤穿山掛月塔山清影南溪玉屏榕湖春曉古榕系舟和冠巖水府，處處引人入勝。
  9. The stand of mangrove forest round deep bay mai po is the sixth largest remaining along the coast of china, and the reedbed is one of the largest in guangdong province

    后海灣及米埔一帶擁有中國沿岸現存第六大紅樹林，及廣東省最大的蘆葦叢生境之一。
  10. Based on the observation data obtained from 69 sampling sites of different age class forests, and by using biomass expansion factor function, the regression equations of stand biomass and volume of the main forest forests in pearl river delta were built, and the regional forest biomass and its dynamics were estimated on the basis of forest inventory data

    摘要利用生物量轉換因子連續函數法，通過69組不同齡級的森林樣地實測數據，擬合了珠江三角洲主要森林類型的生物量和蓄積量之間的回歸方程，並結合3個時段森林清查資料，估算了區域森林生物量及其動態。
  11. 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。
  12. Forest gap is ubiquitous in both undisturbed and disturbed forest ecosystems, which drives the development of forest ecosystem, and affects the composition of plant species, stand structure and succession phase

    摘要林窗是森林生態系統中一種普遍存在的現象，無論是健康的系統還是已經受到過度干擾的系統，林窗作為森林生態系統發展的重要驅動力，影響著森林的物種組成、結構以及森林的演替方向。
  13. In this dissertation a typical area was selected as a case study, which is the tuqiang forest bureau, including two forestry farms, namely, yuying and fendou, covering more than 1. 2 10s ha, it is also one of the most severely burned bureaus during this fire. based on the widely investigation of the background information in the study area, and supported by the geographic information system ( gis ) and remote sensing ( rs ), the two digital forest stand maps ( 1987 and 2000 ) and dtm data were overlaid and the spatial and attribute database were produced. according to this, basic characteristics and changing of landscape structure and spatial pattern were widely and thoroughly analysed

    論文選擇位於大興安嶺北坡圖強林業局的育英和奮斗兩個林場作為研究區（該區是1987年重過火區，總面積12萬多ha ） ，在對研究區基本情況廣泛調查的基礎上，藉助于rs 、 gis技術手段，並輔以景觀生態學知識的支持，研究了林火跡地森林景觀格局及其變化的主要特徵，同時運用分佈指數、偏相關分析等方法重點探討了地形因子對格局及變化的影響。
  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. Aiming at a series of ecological problems ensured from long - term pursuit for pure stand management of phyllostachys pubescens blindly in fujiang province, such as speedingup destruction of natural broad - leaved forest, serious impact on the implementation of natural forest protection engineering, and daily worsening of moso s damage by pests, snow - fall, icebreak, in - depth analysis is given out to inhabit divergences, operation traits, management conditions

    針對福建長期以來盲目推廣毛竹純林而產生的一系列生態問題，特別是加速了天然闊葉林的毀滅，嚴重阻礙了天保工程的實施，毛竹病蟲害，雪壓，冰掛危害日趨嚴重。
  16. In the naigu stone forest, oddly - shaped stones in dark shadow pierce into the sky like angry waves, with full of power and grandeur, or stand there like frightening ancient battle fields, which may arouse visitors all kinds of thoughts and imaginations

    進入乃古石林，只見黑森森的一片怪石如大海怒濤沖天而起，氣勢磅礴，又像壁壘森嚴的古代戰場，令人思緒萬千。
  17. The family comprehensive selection was conducted on the investigated results of progeny test stand of pinus massoniana seedling seed orchard of shanghang baisha forest farm of fujian province with the correlation degree analysis method of grey system theory

    摘要應用灰色系統理論中的關聯度分析方法，對福建省上杭白砂林場馬尾松實生種子園子代測定林分的調查結果進行家系綜合評選。
  18. This research established an estimating model of pinus massoniana stand volume with the elements as variates directly obtained from rs and the conditions of stand that were extracted from 130 samples of pinus massoniana stand from the fifth forest resource continuous investigation data in min - jiang watershed and flitered by the thrice standard deviation method and liner regression method and the correlation coefficient is 0. 735 the suitability and precision of the model were tested and regression analysised with data that were extracted from another 30 samples

    摘要從福建省第5次森林資源一類調查落在閩江流域的樣地中抽取馬尾松林樣地130個，以rs可提取因子及樣地林分立地條件因子為可選變量，利用3倍標準差法進行異常數據的篩選，對林分立地條件定性因子進行數量化處理，通過逐步回歸構建閩江流域馬尾松林分蓄積量估測模型，研究結果所構建的蓄積量估測模型的相關系數為0 . 735 。
  19. Abstract : through a study on soil aggregate composition, nutrient status and enzymatic activity under mixed forest of chinese fir alniphyllum fortunei and pure stand of chinese fir, the results indicated that, compared to pure stand, the soil structural property was ameliorated, the soil capacity of nutrient supplying and was improved, and the soil enzymatic activity were enhanced

    文摘:通過對杉木擬赤楊混交林及杉木純林土壤團聚體結構、土壤養分狀況及酶活性的研究表明，與杉木純林相比，混交林土壤結構性能得到改善，供肥和保肥能力加強，各種土壤酶活性提高，土壤肥力較好。
  20. While the south is snow - capped. lcebergs stand like trees in a forest. east of it, moraines and glacier lakes come into view. this thesefore, is the mose cenrealized area of glacial lakes in sichuan

    格聶山的東部，是四川冰川湖最為集中的地方，冰磧壠冰川湖屢見不鮮。
分享友人
分享到 Line

分享到臉書