高林地 的英文怎麼說
中文拼音 [gāolīnde]
高林地
英文
sertao-
The results showed in the paddy field the bacteria were predominated, in the dry land the proportion of fungi and actinomyces was distinctly higher than the other two kinds of soil, in the woodland abundant species of basidiomycetes were found ; the natural degradation speed was low, with the degradation the number and composition of microorganisms changed regularly ; when the c / n ratio was adjusted to 25 " ? 1, the degradation remnant ratio reduced 10. 67 % than the control
結果表明,水田以細菌為主,旱地中真菌和放線菌數量最多,林地中有大量的高等擔子菌;秸稈自然降解較慢,土壤微生物也隨著降解的進行而呈現一定的變化規律;當調節c / n比為25 : 1時,秸稈的腐解殘留率比對照組下降10 . 67 。 2Eight people were killed and at least 12 seriously injured when a rush - hour commuter train derailed in rugged bushland south of sydney on friday, trapping passengers. it took rescuers more than three hours to free the passengers trapped in the twisted wreckage of the four - carriage train
一列高峰時刻的通勤客車星期五在悉尼南部崎嶇的叢林地區脫軌,在這起事故中有8名旅客遇難,至少12人受重傷,同時還有乘客被困在車廂內。Here, hundreds of feet up, the redwood ' s massive limbs are fused into flying buttresses and carved by forest fires into blackened chambers called “ fire caves ”
在這里,幾百英尺高的地方,紅木粗大的樹枝熔鑄成飛拱,在森林大火中被塑造成幽黑密室「出火坑」 。Utilization methods influenced aggregation degree of microaggregate of purple soil, the aggregation degree were in such order : grassland > forestland > garden plot > cropland, aggregation degree of microaggregate in soil developed from jas group was least, and that of j3s group was maximal
紫色土微團聚體團聚度受利用方式影響較大,團聚度次序表現為草地林地園地耕地,沙溪廟組發育土壤微團聚體的團聚度最低,遂寧組最高。In the watershed, woodland, infield and garden plot respectively accounted for 43. 17 %, 23. 39 %, 13. 31 % and appeared obvious vertical differentiation, that was, woodland was mainly distributed on the slopes of > 25 over 800m a. s. 1 and garden plot was mainly distributed on the slope of 0 - 15 and 15 - 25 below 800m a. s. 1
小流域林地、耕地、園地分別占土地總面積的43 . 17 、 23 . 39和13 . 31 ,且呈垂直分異性,林地集中在海拔高程800m以上的斜坡和陡坡,園地成片分佈在海拔高程500m以上的緩坡和陡坡。Climbing kilimanjaro means passing through five climatic zones, including rainforest, heath, moorland, alpine desert, and arctic
攀登吉力馬扎羅山需穿越五大氣候地帶,分別是雨林石南荒野高沼地高山沙漠極地。" to be sure, " replied orrin, gaily
「當然好啦, 」奧林高興地回答。Liihe palynological data indicate a vertical paleovegetational landscape : evergreen broad - leaved forest dominated by castanopsis, lithocarpus, cycobalanopsis and anacardiaceae etc occurred on the slopes near the deposit site ; mixed coniferous / broad - leaved forest and coniferous forest occurred on the area of high elevation, and main elements were tsuga, podocarpus, pinus, picea and abies etc. seven paleoclimatic parameters of liihe area estimated include mat ( 13. 3 - 20. 9c ), wmt ( 22. 5 - 27. 5c ), cmt ( 2. 5 - 12. 6c ), dt ( 12. 1 - 24. 8c ), map ( 803. 6 - 1254. 7mm ), mmap ( 179. 4 - 281. 9mm ) and mmip ( 10. 2 - l8. 5mm ). yangyi palynoflora comprises of 52 palynomorphs belonging to 32 families. the percentage of angiosperms is 61. 5 %, gymnosperms 9. 6 %, pteridophytes 25. 0 %, algae 3. 9 %
呂合孢粉植物群的組成反映該地區在沉積時期植被具有垂直分帶特徵,沉積地附近分佈有常綠闊葉林,包括殼斗科的青岡屬、栲屬、石櫟屬和漆樹科等植物,以及多種亞熱帶和溫帶闊葉成分;林中混生少量針葉樹(如松屬和杉科等) ;林內蕨類植物較少;距沉積地較遠的海拔較高的地區分佈由鐵杉屬、冷杉屬、雪松屬和雲杉屬組成的針闊混交林或針葉林。It has been proved that the revive and construct of plants in this region is the basic measure of water and soil conversation, environment construct and agriculture, forestry, stock raising
多年來的理論研究和生產實踐證明,植被的恢復和建設是黃土高原地區水土保持、生態環境建設、農林牧業持續發展的根本措施。Based on the principle of significant effect of soil fertility factors on forest growth, soil physical factors ( natural water content, bulk density, total porosity, capillary porosity, aggregate degree, coarse silt and physical clay ), chemical factors ( om. total n, alkali - hytrolyzable n, total p, humus and ha / fa ) and biological factors ( urease, acidphosphotase, invertase and microbes ) were selected as evaluation index system of soil fertility. applying principal component analysis, soil ifi of subalpine coniferous forest was calculated
從土壤物理、化學、生物學三方面出發,建立了川西亞高山針葉林不同演替階段土壤肥力評價指標體系,應用主成分分析,計算出不同演替階段土壤肥力綜合指標值( ifi ) ,各演替階段大小順序為: 10年生雲杉林地跡地原始林地次生樺木林地30年生雲杉林地20年生雲杉林地50年生雲杉林地60年生雲杉林地40年生雲杉林地。This paper gives a survey on experimental forestland. 25 tree species were selected, and arranged in order by average diameter at breast height, average height, average individual volume and annual average volume increment in a unit area in this experiment
摘要簡要介紹了試驗林地的概況,選擇了25個樹種進行試驗,並按各樹種林分平均胸徑、平均樹高、平均單株材積和平均單位面積蓄積的年平均生長量進行排序。The research of soil degradation in pur country is mainly concentrated on the red earth hilly area in the south in the past, and is less on the loess plateau that is one of the most fragile areas. based on field experiment and laboratory analysis, discuses the degradation mechanism, and raises the methods of refreshing and reestablishing land productivity of huangshan soil in chunhua county of shaanxi. in the hope of serving development of western regions and ecological environment construction that concede the land to forestry ( the grass )
我國以前對土壤退化問題的研究主要集中於南方紅壤丘陵區,對生態環境最脆弱的黃土高原地區的土壤退化研究相對較少,故本文以黃土高原地區陜西淳化縣的侵蝕性黃?土為對象,通過野外人工模擬降雨試驗和室內分析相結合的方法,探討了侵蝕性黃?土的退化機理,提出了恢復和重建黃?土土地生產力的途徑和方法,以期服務于西部大開發和退耕還林(草)的生態環境建設。Soil anti - erodibility indexes of hippophae rhamnoides forest in loess plateau
黃土高原沙棘人工林地土壤抗蝕性指標探討The major strategies for developing non - timber product forest crops during constructing the shelterbelt of the changjiang river are to transform non - timber in the serious water and soil erosion areas, to plan the development scales of non - timber forest in the areas of returning farm to forest, to adjust non - wood products distribution, to establish high productive production bases of non - wood products and to strengthen the macroscopic guide of government for developing non - timeber forest
對水土流失嚴重的經濟林分佈區進行技術改造、做好退耕還林地上發展經濟林的規劃、適當調整經濟林生產布局、建立高效經濟林生產基地、強化政府的宏觀指導是在長防林建設過程中發展經濟林的主要對策。" the majority of the proposed country park is hilly areas and upland valleys covered with natural woodland and unspoiled streams. also of high conservation value are the well - established areas of secondary woodlands, developed montane forests and fresh water habitats
建議中的擴建范圍大部分都是高山及高地幽谷,有不少天然林木和未受污染的溪流。山區中茂密的次生林地、高地樹林及淡水生境均具有高度的自然護理價值。Abstract : soil fertility of the plantations of paramichelia baillonii, betula alnoides, acacia mangium and altingia excelsa in tropical area of yunnan does not decline rapidly, and the physical and chemical properties of forestland are not affected greatly if the plantations can be managed properly
文摘:在雲南熱區營造山桂花、西南樺、馬尖相思、高阿丁楓等4種人工林,只要經營得當,對林地土壤理化性質並不造成重大影響,不會引起地力迅速衰退。Results showed that available k and ( no3 ) ^ ( - 1 ) content were higher in surface runoff in slope cropland and intercrop land between crop and forestry than those in fallow land, intercrop land between forest and grass and afforestation land
研究結果表明: ( 1 )坡耕地及農林間作下地表徑流中的有效鉀和硝態氮含量高於撂荒荒坡、林草間作和造林林地。As a species of mixed forests, nitrogen fixation trees play an important role in improving forest land nutrient and moisture status, maintaining soil productivity, enhancing forest land productivity, and accelerating main species growth
作為混交樹種,在混交林中發揮著改善林地養分及水分狀況,維持地力,提高林地生產力,很好地促進主要樹種生長的重要作用。Fifthly, the forest operators have high amount of tax and charge. finally, forestland property rights system need to improve. on the basis of above analysis, the paper combines the factual situation to put forward the policy suggestion through administrative, economic and legal aspect, such as realizing gross quantity control of forestland, fairly implementing the compensation system of forest ecological effectiveness, deepening the reform of forestland property rights system, establishing forestland price system, strengthening the construction of forestry legal system, expediting the six keystone forestry projects, depending on science to improve the forestland quality and so on
基於以上原因分析,結合我國的實際情況,從行政的、經濟的、法律的三個方面提出了以下政策建議: ( 1 )實施林地總量控制制度; ( 2 )公平實施森林生態效益補助政策; ( 3 )深化林地產權制度改革; ( 4 )建立林地可持續發展的價格體系; ( 5 )加強林業法制建設,促進林地的可持續發展; ( 6 )加快六大重點工程的實現,推動林地可持續發展; ( 7 )科學營林,確定生態成熟期,適時輪伐,提高林地質量。The establishment of the forest sites of paper - making industry, can not only ensure the raw material supply to the industry and reduce the production cost, but also can accelerate the greenness of the country land, increase the forest resources, ensure the ecological security and realize the sustainable management of forest
由造紙企業建立自己的原料林基地,既可以保證企業的原料供應,降低生產成本,還可以通過企業發展林業基地,提高林地資源的使用效率,增加林區林農的經濟收入,促進國土綠化,增加森林資源,確保生態安全,實現森林的可持續經營。分享友人