森林自然進化 的英文怎麼說

中文拼音 [sēnlīnránjìnhuà]
森林自然進化 英文
natural forest evolution
  • : 形容詞1. (樹木多) full of trees2. [書面語] (繁密; 眾多) multitudinous; in multitudes 3. (陰暗) dark; gloomy
  • : 名詞1 (成片的樹木或竹子) forest; woods; grove 2 (聚集在一起的同類的人或事物) circles; group 3...
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : Ⅰ形容詞(對; 不錯) right; correct Ⅱ代詞(如此; 這樣; 那樣) so; like that Ⅲ連詞[書面語] (然而)...
  • : 進構詞成分。
  • 森林 : forest; timber; sylva; silva; eng-forest; boscage; bush
  • 自然 : 自然at ease; natural; free from affectation
  • 進化 : evolution
  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(保護區) 、黔江武陵山(國家重點退耕還示範縣,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行量分析,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指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,學肥力退指標(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. In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on

    本文把洛塔現存植被分為植被與栽培植被兩大類行研究,通過遙感技術對現存植被按針葉、闊葉、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型行分佈面積的統計,在此基礎上,以產品價值、涵養水源價值、保護土壤價值和凈空氣價值作為估算的主要參考依據,對已成的針葉與闊葉生態系統的價值估算,得出面積為1388 . 8hm ~ 2的針葉闊葉生態價值為1836 . 37萬元,參照這一生態價值量,把洛塔植被按常綠落葉、針葉、針闊混交、闊葉、疏?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物,以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。
  3. Landforms, soil, climate and characteristics of distribution in time and space in ningxia of draughts, disasters caused by wind and sand, floods and waterlodgging caused by hail, frost injury and earthquakes. the eighth chapter is on the relationships of environmental changing and the development of the agriculture and livestock husbandry in ningxia autonomous region which covers two sections : namely the historical processes of the human activities and the changing of the forests in ningxia, and the human activities and spreading of the deserts. the ninth chapter is a chapter that studies the regional divergence of the productivity level and the experiences and lessons of the development of agriculture and livestock husbandry

    下篇是寧夏農牧業發展等因素與環境變遷的關系,這又包括三章:第七章是農牧業發展的條件,即地貌、土壤、氣候,以及歷史時期寧夏旱災、風沙災害、水澇災害、雹災、霜凍災害、地震災害的時空分佈特徵;第八章是寧夏農牧業發展等因素與環境變遷的關系,這包括人類活動與寧夏的變遷、人類活動與寧夏土地沙漠的歷史演兩部分;第九章是寧夏南、北農牧業生產力水平的地區差異及農牧業開發的經驗教訓。
  4. 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生態狀況長期觀察的基礎上,闡述了植物群落對環境的生態作用,對區內的人工退問題及其動態過程行了分析。
  5. While the domestically focuses are on research of reasons, implication and contents of ecotourism, and the tourism development situation and management, especially the tourism development in natural conservation zone in china. the author also concludes the practice of ecotourism development in china

    資料主要包括:近年來直接對生態旅遊行研究的國內外文章、文獻:與生態旅遊的理論基礎有關的理論文獻;有關保護區、公園、世界文遺產等生態旅遊資源發展狀況的報告、調查;生態旅遊經濟學文獻。
  6. It is the only natural preserve in china with well protetcted secondary growth for comprehensive and multi - principle research, especially the well protected primeval forest has a critical position for research on evolution of paleophyte

    它是國內次生區植被保存完整珠一個綜合性、多學科的生態類型保護區,尤其是其保存完好的原始,為研究古代植物有著極重要的科研價值。
  7. Faustmann - hartman forest resource model of economic and environmental benefits has been selected to study the economic compensation issues on environmental benefits, economic incentives are used to encourage the owners or / and managers of watershed forest resources to manage their forests for natural preservation, in the meantime, all stakeholders - the owners, managers, policy - decision - makers, investors and beneficiaries and losers will learn the opportunities and constraints of watershed forest resource management. the research will be meaningful to decision - making for compensation fee institution for environmental benefits

    本研究應用綜合考慮經濟效益與環境效益的faustmann - hartman資源模型,研究水源涵養環境效益的經濟補償問題,以創建經濟激勵機制促水源涵養所有者或經營者採取有益於保護的生產經營方式,並促各利益相關者? ?水源涵養所有者、經營者、政策制定者、投資者、水源涵養環境服務的受益者、和環境退的受損失者等了解投資於水源涵養環境服務的機會與問題,同時也為我國環境效益補償制度的制定和實施提供決策依據,只有重要的理論和現實意義。
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