疏林地 的英文怎麼說
中文拼音 [shūlīnde]
疏林地
英文
opening-
In fig. 2 the solid line represents an idealized version of the normal progression of an unthinned stand.
在圖2中，實線代表一塊未疏伐林地的正常發展的理想化形式。The productivities of temperate woodlands and shrublands appear to be mostly between 250 and 800g//year.
溫帶的疏林地和灌木群落的生產力多數在250-800克年范圍內。The african wild dog, also called cape hunting dog or painted dog, typically roams the open plains and sparse woodlands of sub - saharan africa
非洲野狗又稱獵狗或彩色狗，通常出沒在撒哈拉以南非洲的開闊平原或稀疏林地Vegetation construction should n ' t be confined to such a land use pattern as " the 28 - word general plan " put forward by zhu xianmo. the objective reality of thin woods and sparse shrubberies in the forest - steppe zone cannot be ignored
植被建造不應局限於一種土地利用模式，如朱顯謨「 28字方略」 ，不能無視疏林及稀疏灌叢在森林草原地帶的客觀存在。Habitat and ecology : in thin forests or thickets. flowering : may
生境與生態：生於山地疏林下或灌叢。花期5月。Habitat and ecology : in thin forest. flowering : dec. to feb. of the following year
生境與生態：生於山地疏林中。花期： 12月至翌年2月。Species diversity and arbor population distribution pattern of ulmus pumila l scattered grassland of horqin sand
科爾沁沙地榆樹疏林草地物種多樣性及喬木種群空間格局2 ) its landscape pattern is complex and the patches of different styles have different spatial distribution styles. some is assemble and some is dispersed
花港觀魚綠地景觀格局復雜多樣，其本底為非鄰水平地疏林斑塊類型。The woodland of minjiang river watershed was classified as forest land, shrub land, open woodland and other woodland and the forest land was classified as land of chinese fir, land of pinus massoniana, land of broadleaf, land of bamboo and land of commercial forest in this paper
摘要將閩江流域林地劃分為有林地、灌木林地、疏林地和其他林地，並將有林地劃分為杉木林、馬尾松林、闊葉樹林、竹林和經濟林。The degraded ecosystems include : > 25 dry land, mountain dry land, low density forest, grassland of low cover rate or moderate cover rate, all of which are the sources of soil and water loss. the low intensity of soil and water loss accounts for 55 % of the project area, the moderate for 23 %, and fierce for 12 %
早地、山區早地、疏林地以及低、中覆蓋度草地，也是水土流失主要的策源地;其水土流失的強度也表現出微度侵蝕占項目區的55 % ，中度侵蝕佔23 % ，強度侵蝕佔12 % 。Ecological features, function indicators and social - human impact together constitute the fundermental system of regional ecosystem health assessment. haxi forestry center is located in tianzhu of gansu province. in view of the natural conditions, land use type and forest map, we classify the research area into 15 landscape types
甘肅天祝縣哈溪林區位於祁連山東段，依據哈溪林區的自然條件、土地類型和林相圖，將研究區劃分為苗圃，未成林地，宜林地，農田，牧草地，荒地，青海雲杉林，祁連圓柏，針葉混交林，楊類闊葉林，紅樺、榆、山楊硬闊林，針闊混交林、灌木林、疏林地和闊葉混交林等15種景觀類型。The top ten changes by area were as follows : plantation to cut area, forest toopen forest, forestto cut area, non forest to forest, barren land to forest, plantation to plowland, forest to barren land, plantation to barren land, nonforest landto forest and open forest to forest. based on the forest changes, some suggestion on the management and ecoconstruction were put forward. 3
森林資源變化依次是經濟林變成採伐跡地、林分轉變為疏林地、林分轉變為採伐跡地、非林地向林地轉變、宜林地轉變為林分、經濟林轉變為耕地、林分轉變為宜林地、經濟林轉變為宜林地、未成林地轉變為林分、疏林地轉變為林分。Much of early hominid evolution, on the other hand, took place in more open woodland and grassland, where sustenance is harder to come by
可是，早期人科動物是在比較開闊的疏林帶與草原上演化的，在那些地方，討生活可不容易。The study result indicated that thinning cost was determined mainly by location of forestland, the number of thinned trees and whether or not hauling logs from forest
研究結果顯示，疏伐成本主要取決林地之地區別、是否搬出疏伐木以及搬出株數。The necessary conditions of forestland to be feasible for thinning are : the slope of forestland less than 25 %, the distance from logging road less than 600 meters, and keeping good stocking level after thinning 400 trees per hectare
林地坡度小於25 % ，距離林道600公尺以內，且每公頃疏伐400株后仍保有適當蓄積之人工林，實施疏伐作業應屬可行。The results showed the trend of soil ifi changes was partial " u ", namely, during the course of artificial picea succession, soil ifi decreased sharply at the initial stage, after artificial picea reaches mature forest, soil ifi recovered slowly and reached soil ifi of natural coniferous forest finally
在人工雲杉林地中，土壤ifi表現出非正「 u 」型的變化，即雲杉幼林向成熟林演替時，土壤ifi迅速下降，大約在雲杉40齡出現自疏之後，土壤ifi回升，但恢復速度十分緩慢。Soil amounts of microbes of loa artificial picea forest were the most in the topsoil, amount of bacteria and actinomycetes sharply decreased from the early picea forest to the mature forest, and after the mature forest, amount of fungi increased slowly. fungi had greatly effect on decomposition of litter
10a生人工雲杉林地細菌、真菌和放線菌數量最多，隨著雲杉林齡的增加，細菌和放線菌的數量急劇減少，真菌在雲杉自疏時，其數量稍有增加，之後又急劇下降，真菌在針葉林凋落物分解中起重要作用。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。Just like that the core patch which is not adjacent to water and hilly woods has the flat edge, near round shape, high trees diversity and abundant native trees, which can reduce the external disturb and protect the native trees. in addition, the matrix in the landscape is the patch that is flat, not adjacent to water and scatter woods has low fragmentation degree, smooth edge and near ellipse shape, which is adapted to matrix
如，非鄰水山地密林團聚分佈，邊界平滑，呈圓形，樹種多樣性指數高，當地物種豐富，這種格局能顯著降低外部干擾，保護主要當地物種，與核心斑塊的功能相適應；非鄰水平地疏林斑塊邊界平滑，近橢圓形，這種格局有利於分散干擾危險，與本底斑塊的功能相適應。Mpacts of unsustainable timber harvesting if the sources of wood are from poorly - managed woodlands or logged by environmentally damaging practices, forests will eventually disappear and the environment will be degraded if not destroyed
如木材源自疏於管理的林地，或以破壞環境的方法砍伐，最終會導致森林消失，自然生境遭受破壞，甚或遭毀滅，屆時便難以再生產木材製品。分享友人