grassland vegetation 中文意思是什麼

grassland vegetation 解釋
草地植被：草本植被各類型即草原、草甸、沼澤、熱帶稀樹草原、灌草叢等的總稱。

  • grassland : 牧場；草地；草原。
  • vegetation : n. 1. 【植物；植物學】營養體生長，發育；〈集合詞〉植物，植被，植生，草木。2. 無所作為的生活，單調的生活。3. 【醫學】贅生物，增殖體。adj. -al
  1. The great bustard is polyphagia bird, but it feeds mainly on plants. the feeding field habitat selection relate with that whether the grassland burn or not last year. the important factors that determine the feeding field selection are the plant species, vegetative cover score. density hemerrocallis minor and the density of pedacularis sp. on burning grasslandsjthe density of vegetation. insects quanlity. plant species richness and the height of plant are the main factors that determine the feeding field selection on unburning grasslands

    大鴇是雜食性鳥類，但以植物性食物為主。對于取食地的選擇往往跟草原上一年是否被火燒過有關。在火燒地，植物種類數、植被蓋度、小黃花菜密度和蒿密度是取食地選擇的重要因素；在非火燒地，植被密度、昆蟲數量、植物物種豐富度及植物高度在大鴇取食地選擇中發揮重要作用。
  2. The correlation analyses were conducted for the rations between the vegetation indices and the sampled grass yield data which were taken as the grassland biomass quotas. the results indicated that there are quite high correlations between the vegetation indices and the grassland yield data. among them the rvi has the highest correlation coefficient, ndvi in the next, and then successively tvi, msavi, infrared index, savi, gvi, dvi and w vi, but bvi has the lowest correlation coefficient that there is a negative correlation coefficient between bvi and the biomass

    對各種常用植被指數和草地生物量進行相關分析，由分析結果得出，比值植被指數（ rvi ）與草地生物量的相關性最高，相關系數達到0 . 885 ，其次為ndvi ，然後依次為tvi 、 msavi 、紅外指數、 savi 、 gvi 、 dvi和wvi ，而bvi與草地植被生物量呈負相關關系，且相關性最低，總的來說，遙感植被指數和草地生物量具有較好的相關關系，因而，利用植被指數來建立草地生物量監測模型是可行的。
  3. The species and genera of the vegetation cover mainly consisted of warm - dry plants whose main type is the alternation of the forest grassland or grassland

    植物種屬以溫帶乾旱植物為主，植被類型多為森林草原及草原交替出現為主。
  4. The field of taiyangmiao nuresry of trees and grass is an important ecology protecting area in inner monogolia. all of projects in the field, including the water and soil conservation trees, the windbreat of returning farmland to treeland and grassland, are playing a very important role in preventing and decreasing vegetation deterioration, land desertification and sandstorm weather

    星月太陽廟林木種苗培育基地和農業種植基地是內蒙古重要的生態功能保護區，基地內的水土保持林、防風固沙林、速生豐產林、退耕還林還草等林草工程，對防止植被退化、土地沙化、減緩沙塵天氣的發生起到不可忽視的作用。
  5. Parts of grassland birds can use post - fire grassland to breed, they need little nest - materials and their nests are simple, or need smaller nest - site area and canopy of vegetation than other birds ; but the birds that need more nest - materials with fine nests and nest in areas with higher canopy do not select post - fire grassland to breed in the same year

    能利用當年火燒地繁殖的鳥類在築巢時所需要的巢材較少，巢也較簡陋，或者所需要的巢區面積較小，對植被的覆蓋度要求不高;而築巢時所需巢材較多、巢較精細、巢築于植被蓋度較大區域的鳥類不選擇當年的火燒地進行繁殖。
  6. In the long run, the economy beneficial of grassland claim is lower. the soil nutrition lose, mechanic compose become crude, vegetation restore is slow, the drought resisted ability is poor. therefore, it is not worth to claim grassland both from economy and ecology point of view

    長遠來看，草地開墾經濟效益低下，撂荒后又面臨土壤養分流失、機械組成粗化、植被恢復緩慢、抗干擾能力弱等諸多生態問題，因此，無論從經濟學還是生態學角度，開墾草地得不償失。
  7. The study also reveals the relationship between pasture ' s growth period, yield and their relation to weather factors and the evolvement characters of grassland vegetation under the background of drought climate, and refers to the main factors of the influence on grass - turn - green period as water condition in qinghai lake areas, and the main factors as the quantity of heat in the southern area of qinghai. because of the drought in the " three rivers source area ", the growing season is shortening and the production of the grass is decreasing clearly

    揭示了牧草生育期、產量以及群體結構與氣象因子之間的關系和氣候乾旱化影響下草場植被的演變特徵，提出了影響環湖地區牧草返青期的主要因子是水分條件，影響青南地區牧草返青的主要因子是熱量條件， 「三江源」地區由於氣候乾旱化，導致牧草生長季呈縮短趨勢，牧草產量明顯下降。
  8. The habitats for moving about of great bustard are hillocks on grassland. and they prefer to move about on the valleies of grassland during their breeding season. there are 4 main vegetation characteristic factors that determine the nest - site selection, the factors are the vegetation canopy, vegetation density, food and the height of plant. the great bustard selects the areas with higher vegetation canopy, vegetation density, plant species and insect quantity. most height of plants are below 20cm, but we also found they move about in tall grass occasionally

    大鴇繁殖期活動棲息地為波狀起伏的草原漫崗地，多喜歡活動在海拔為170 300m左右，四周高、中間凹的漫崗凹地中。決定大鴇繁殖期棲息地選擇的主要植被特徵因子共有4個，分別為植被蓋度因子、植被密度因子、食物因子和植物高度因子。大鴇多選擇在植被蓋度和密度較大、植物種類和昆蟲數量較多及多數植物高度在20cm以下，但又不乏高草的地方活動。
  9. Average precipitation and temperature are the major factors determining whether a particular land area is a desert, grassland, or forest ( climate - and - vegetation principle )

    平均降雨量及溫度是決定，對一個特定土地范圍，形成砂漠、草原、或森林的主要因素。
  10. The dynamics of soil seed banks and seed movement was investigated in three bare alkali - saline patches in songnen grassland, northeast china, for exploring their potential role in the vegetation restoration of bare alkali - saline patches

    摘要在松嫩平原不同退化程度的草地中選取三個次生光堿斑，通過分析其土壤種子庫和表面種子流動態，探討了土壤表面種子流在次生光堿斑植被恢復中的潛在作用。
  11. Forests are still the potential climax vegetation for hong kong, but vegetation areas are now mostly grassland, shrubland, woodland and plantations

    森林仍然是香港最主要的植被，但林區現時大都變成草地灌木林林地及種植林。
  12. Li bo, zhu tingcheng & hu zizhi. 1980. proper use of pasturol vegetation and management of grassland ecosystem. chinese vegetation, science press, beijing 1080 - 1094

    李博，祝廷成，胡自治. 1980 .草場植被的合理利用與草地生態系統的管理.中國植被，科學出版社，北京1080 - 1094
  13. The response characteristics of grassland vegetation structure to grazing intensities with cows

    草地植被結構對奶牛放牧強度的反應特徵
  14. Zheng huiying & li jiandong. 1993. the grassland vegetation and its utilization and conservation on the songnen plains. science press, beijing

    鄭慧瑩，李建東. 1993 .松嫩平原的草地植被及其利用保護.科學出版社，北京
  15. Our government strengthened fund investment and management on grassland construction in order to restrain the deterioration and regain grassland vegetation

    我國政府為遏制草地的退化，恢復草地植被，加強了對草地建設的資金投入和管理力度。
  16. The grassland is one of the most important vegetation types in china and the most important renewable resource and raw material site of stock raising. it is a natural green protective screen of the earth which plays an important role to human existence and development

    草地植被是我國最重要的植被類型之一，是重要的可更新資源和畜牧業的原料基地，又是地球表面天然的綠色屏障，對於人類的生存和發展起著重要的作用。
  17. The study of different deteriorated grasslands showed, although occurring genetic differentiation and reduced genetic diversity, biodiversity in deteriorated population can still maintain a high level. additionally, it had gene exchanges with normal populations. the deteriorated grassland can restore its vegetation as normal if rational management was adopted

    不同退化系列，克氏針茅種群雖發生了遺傳分化，遺傳多樣性略有降低但仍維持較高的水平，且與正常草地間有基因流，只要採取合理的草地利用措施，減輕放牧壓力，退化草地即可恢復，若採取人工補播正常種群種子，將會加快退化種群的恢復進程。
  18. The east transect was classified thirty five vegetation types using ndvi data from 1995 - 1996 by gis technique. the paper concludes that the ndvi from meteorological satellite is sensitive indicator of vegetation growing condition, times series curves of ndvi can truly curve vegetation growing principle by drawing the seasonal change curve of ndvi data by three groups. the paper also concludes that the forest ' s ndvi curve is commonly single apex, while farmland ' s or shrub ' s curve is mostly double apex, the peak value of forest ' s ndvi is commonly higher than grassland, farmland and some other vegetation types

    應用地理信息系統技術處理1995 - 1996年1kmndvi數據，將南方樣帶劃分為35類，分三組繪制35類植被的ndvi季節變化曲線，得出氣象衛星ndvi是反映植被生長狀況的敏感指示器， ndvi時間序列曲線真實地刻畫出植被的生長規律；經分析得知森林ndvi曲線一般為單峰曲線，而農田灌叢多為雙峰曲線；森林ndvi峰值一般高於草原、農田等其它類型。
  19. The analysis and discrimination of spectral reflectance for grassland vegetation on different spatial scales

    內蒙古草原不同空間尺度的植被反射波譜特徵分析與鑒別
  20. Li jiandong. 1979. some problems on the type and the division of grassland vegetation in northeast. proceedings of the 3rd grassland science congress in northeast in 1979 42 - 47

    李建東. 1979 .東北草原植被類型及植被區劃中的幾個問題. 1979年第三次東北草原學術會議論文集42 - 47
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