artificial forest 中文意思是什麼

artificial forest 解釋
人工林
  • artificial : adj 1 人工的,人造的;人為的 (opp natural)。2 摹擬的 (opp genuine real); 不自然的,矯揉造作的...
  • 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。
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Technique of afforesting artificial protection forest by making ground into wide platform

    臺式整地營造人工防護林技術
  3. Forest ecologists have been more concerned than agronomists with the inner mechanisms of natural and artificial ecosystems.

    森林生態學家比農學家更關心天然生態系統和人工生態系統的內部機制。
  4. 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。
  5. In a wind - eroded region, such measures as exploitation of water resources, water diversion for sand removal, planting of trees and growing of grass, installation of artificial sand - break and forest network shall be adopted to build a protective system for windbreak and sand - fixation, thereby controlling hazards of sand storms

    在風力侵蝕地區,應當採取開發水源、引水拉沙、植樹種草、設置人工沙障和網格林帶等措施,建立防風固沙防護體系,控制風沙危害。
  6. It points out that the rational and stable inner structure cannot lead to serious soil moisture shortage ; its natural climate condition can meet the needs of forest community. it is the irrational management that causes the serious soil moisture shortage in artificial forestry land. if we intervene properly and create some growth condition similar to natural vegetation, the recessed artificial robinniapseudoscacia can restore benignly

    當前人工林地的土壤水分出現嚴重虧缺而形成土壤干化層並導致人工林衰退是人為不合理經營造成人工林群落林分結構不完善的結果,如果人為干預適當,能創造出類似於天然植被的生存條件,人工植被完全有可能得到正常的生存和發展,出現衰退的人工刺槐林完全有可能得良好的恢復。
  7. Changes of soil fertility quality properties under artificial chinese fir forest in red soil region

    紅壤地區杉木人工林土壤肥力質量性狀的演變
  8. In light of the problems of aggravated soil erosion and litho - desertification of the karst regions in northwest guangxi as a result of degradation of forest ecosystems, six " grain - for - green " models ( five models of artificial afforestation or grass planting, and one model of desertation for natural vegetation restoration ) were screened out for quick restoration of vegetations in the regions and evaluated for their respective ecological effect

    摘要針對桂西北喀斯特地區森林生態系統退化造成的水土流失加劇以及石漠化嚴重的現狀,篩選適合該地區植被快速恢復的5種人工造林(草)方式和自然拋荒恢復模式,分析評價各種模式的生態效應。
  9. With increase of artificial forest age, the content of soil organic matter decreased sharply. and soil physical, chemical and biological properties of forest became worsen. from soil physical properties analysis, soil silt, clay, physical clay, aggregate degree and structure coefficient in topsoil increased with increase of artificial forest age and soil sand deceased

    在土壤物理性質方面,隨著人工雲杉林齡的增加,土壤表層粉粒、粘粒、物理性粘粒、團聚度和結構系數降低,砂粒含量增高,土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙在人工雲杉演替過程中表現出「 u 」型變化。
  10. Soil moisture dynamic rule of artificial haloxylon ammodendron forest in kubuqi desert

    庫布齊沙漠人工梭梭林地土壤水分動態規律的研究
  11. Effects of different intensities of artificial disturbance on tree layer of castanopsis carlesis forest using method of diversity measure

    多樣性的測度方法探討不同人為干擾強度對米櫧林喬木層的影響
  12. Finally, the author puts forward the countermeasures and the suggestions in the development of the animal husbandry in jiuquan oasis, which are to confirm the rational amount of domestic animal loaded ; to protect the meadow resource and to develop the high - quality artificial meadow energeti cally ; to implement the virtual water strategy in order to alleviate the ecological environment pressure in jiuquan oasis ; to advance the industrialization process of animal husbandry energetically ; to process and utilize crops by product in the agricultural district ; to strengthen the construction of shelter forest of qilian mountains ; to organize the seasonal production of the animal husbandry ; to popularize the fatten poultries technology in the other land ; to strengthen the rational planning of the production of the animal husbandry ; to increase fund input ; to accelerate the basic construction of the animal husbandry and to prevent and cure the grassland which mouse hurt

    採用層次分析法對酒泉綠洲畜牧業發展的重要影響因素做了判斷。最後從確定合理的載畜量,大力保護草地資源和發展優質人工草地,實施虛擬水戰略以緩解酒泉綠洲的生態環境壓力,大力推進畜牧業產業化進程,對農區農作物副產品的加工利用、加強祁連山防護林建設、組織畜牧業季節性生產,推廣推廣肉禽異地育肥技術、加強畜牧業生產的合理規劃、增加資金投入,加快畜牧業基礎設施的建設以及草原鼠害的防治等十個方面提出了酒泉綠洲畜牧業發展的具體對策建議,以期望能對酒泉市的社會經濟發展提供科學的決策依據。
  13. Forest, artificial forest, introduction and breeding of trees in

    人工造林和樹木引種馴化
  14. Based on the long - term observation of the formation of the vegetation and the ecological features in houyuntaishan mountain area, this paper elaborates on the ecological features of the scattered forest community on the natural environment in the neighborhood and analyzes the degeneration of the artificial forest and its dynamic process as well

    摘要在對連雲港后雲臺山地區植被的種類構成和自然生態狀況長期觀察的基礎上,闡述了森林植物群落對自然環境的生態作用,對區內的人工森林退化問題及其動態過程進行了分析。
  15. Soil saturated capacity, capillary capacity, total porosity and capillary porosity showed the trend of the " u " during the successional course of artificial forest, namely, they reduced on the early successional stages, after picea reached mature forest, soil porosity recovered slowly. the content of natural water was mainly affected by capillary porosity. from soil chemical properties analysis, the content of soil organic, humus, ha, fa and ha / fa of topsoil was more than that of bottom layer

    即人工雲杉幼林向成熟林演替階段,土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙則減少,在40年生雲杉林達最低值,之後隨著雲杉自疏,微生態改善,林地凋落物分解加快,土壤飽和持水量、毛管持水量及總孔隙和毛管孔有上升的趨勢,毛管持水量是決定林地自然含水量的主要因子。
  16. Though china has made remarkable achievement in artificial forest creation, such forests have not substantially protected the biodiversity, because of the monotony of the kind of such forests

    加之人工林林種單一,雖然部分地區森林覆蓋率較高,但生物多樣性卻沒有得到很好的保護。
  17. Status and breeding orientation of artificial forest in northwest of liaoning

    遼西北人工林資源現狀及培育方向
  18. Thinking on commercial logging of artificial forest at implemented areas of ' national natural forest protection ' in yunnan province

    天保工程區人工商品林採伐管理辦法探討
  19. The soil organic content in the topsoil decreased with increase of artificial forest age. because the total n and alkali - hytrolyzable n were from mineralization of soil organic matter, their content in the artificial forest decreased with the decrease of soil organic matter

    在土壤化學性質方面,各林地土壤有機質含量表層大於底層,人工雲杉林土壤表層有機質含量隨著撫育林齡的增加而降低,土壤中全氮、堿解速效氮主要來源於土壤中有機質的礦化,其含量隨有機質的減少而降低。
  20. 2 the comparisons between soil water deficiency in natural and artificial forest land show that : ( 1 ) the concept of " forestland steady moisture capacity " is presented and defined as the lowest soil water content that can not affect the forest regular growth primarily and cause inverse succession in community

    2天然林地和人工林地土壤水分虧缺狀況對比: ( 1 )提出了「林地土壤穩定持水量」的概念,初步定義為「不會影響到林分正常生長、發育,不會導致群落產生逆向演替所需的最低土壤含水量」 。
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