坡面群 的英文怎麼說
中文拼音 [pōmiànqún]
坡面群
英文
clinohedral group-
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。The author investigated the community of grasshoppers in changbai mountain area during the period of july to september 2001, complementally collected specimen and systematically collected and measured environmental factors from july to october in the following year, and consulted to specimen collected by fengling zhang and yanlong - yang in 1979, 1980 and 1981. by analyzing and classifying the data of five years, the author analyzed the community construction and ecological adaptability of the grasshoppers in the area. the main aspects dealing with the grasshoppers are as follows : ( 1 ) the community construction and faunal geographical elements ; ( 2 ) characteristics of their ecological distribution ; ( 3 ) vertical distribution of grasshoppers in the northern slop ; ( 4 ) the relationship between environmental factors and differences in shape of grasshoppers in different vertical belt of northern slop, etc. in terms of faunal geographical elements of grasshopper communities, 48 species of grasshopper were recorded, belonging to 31 genera, 7 families
本文作者於2001年7 9月間系統地調查了長白山地區的蝗蟲，並於2002年的7月到10月間對標本進行了補充採集，並對環境因子數據進行了系統的測量和收集，同時參考張鳳嶺、楊彥龍先生1979 、 1980和1981三年採集的標本，通過對標本的鑒定和整理，採用五年的野外工作數據，對長白山地區蝗蟲群落結構及生態適應特性進行了研究，主要研究內容包括：蝗蟲的群落結構及區系地理成分；蝗蟲生態分佈特點；保護區北坡蝗蟲垂直分佈及不同垂直帶內蝗蟲的形態差異和環境因子之間的關系等方面內容。The research results mainly show : ( 1 ) the ecological degradation characteristics of wuxi county include : some soil is thin and barren and its water and fertility conservation abilities are poor, gradual degradation of soil results in decrease of vegetation diversity and the vegetation community structure gradually inclines tc simplicity from complexity. the types of soil and water loss in wuxi county mainly involve surface erosion and gully erosion. according to investigation, surface erosion area occupies 80 % or so or erosion area, in which the slope farmlands surface erosion area accounts for about 70 % of farmland erosion area
研究結果主要包括： （ 1 ）巫溪縣生態退化特徵表現：作為生物生長基質的部分土壤薄而貧瘠，保水保肥能力差，部分地區基巖裸露，土壤的不斷退化導致植物種多樣性減少，植物種群結構逐步由復雜趨向簡單化；縣內水土流失的類型主要包括面蝕和溝蝕兩大類，據調查，面蝕面積占侵蝕總面積的80左右，其中坡耕地面蝕佔耕地侵蝕面積的70左右。With regard to tree - planting and grass - growing on barren mountains, hillsides and beaches, the government has enacted a special policy featuring “ the lasting and inheritable practice of whoever reclaims the land shall be entitled to operate and get benefit from it. ” this has encouraged local people to plant trees and grow grass, and guaranteed the rights and interests due to them in eco - environmental amelioration
政府專門制定了在荒山、荒坡、荒灘地區植樹種草實行「誰開發，誰經營，誰受益，長期不變，允許繼承」的政策，鼓勵人民群眾植樹造林和種草，保證了人民群眾在改善生態方面應有的權益。3. the great bustard is big - sized bird that build nest on the ground and the nests distribute in sparse group. most of their nests locate on the middle slope of hillocks, especially on the southern middle slopes towards to the sun, the biggest gradient is not more than 8 ?, the most important 3 factors that determine nest - site selection are height of plant. density and thickness of hay. 4
大鴇是營地面鬆散型群巢的大型鳥類，多將巢築在海拔190 230m的草原崗坡的坡腰上，且以偏南向的朝陽緩坡的坡腰上為多，最大坡度不超過8 ，植被高度、密度和枯草厚度是決定其巢位選擇的3個最重要的因素。Meanwhile, most aspects about this perspective are concerned, which include quantification of the soil water background of the plateau area, the regional spatial variation of soil water background and variation along the slope, mosaic structure and seasonal changes etc. the results show that : ( 1 ) for the fundamental circumstance for vegetation development is the original debilitated slope, so the perspective of soil water background specially for the loess plateau refers to the soil water conditions on the original slope. ( 2 ) the value of soil water background appears to be a descending trend from south to north based on the difference of vegetation zones. in the forest zone, soil moisture contents beneath 3m depth from the soil surface are more than 12 % usually ; in the forest - pasture zone, the values of soil moisture content beneath 4m depth underground are more than 6 % and stable, and tend to be ascending while the depth increases ; but the values in the dry pasture zone is lingering between 4 % to 6 % from the surface layer to sub - layers
發展了「土壤水分背景」的概念，並以之為基礎對其各個方面進行了研究，使之形成一個相對獨立和完整的體系，主要包括黃土高原土壤水分的背景值、土壤水分背景的區域分異、坡面分異、鑲嵌結構及其季節分異等： （ 1 ）由於植被生長發展、演替的基礎階段是天然草被群落，故認為黃土高原的土壤水分背景在概念上是特指該區天然草被群落下的土壤水分狀況； （ 2 ）黃土高原的土壤水分背景值，根據植被地帶的不同表現出自南向北逐漸降低的規律：森林地帶3米以下土層水分背景值普遍穩定地高於12 ，森林草原地帶4米以下土層水分背景值穩定大於6 ，且均隨土層的加深水分含量逐漸增加，而草原帶的土壤水分背景值自土表至底土層一直在4 6之間徘徊。Ant colony algorithm used to search for critical slip surface of open - pit slope
露天采礦邊坡臨界滑動面搜索蟻群演算法研究Denali park - fairbanks this morning you can join wildlife tour optional by park shuttle and led by an naturalist guide to explore this 6 - million - acres wild life park, watch for moose, grizzly bears, dall s sheep and caribou. enjoy the lush assembly of flowers, grass and ferms which form a
上午可自費搭車入園尋覓野生動物蹤跡駕駛兼導游沿路解說公園歷史和生態，一面尋找動物蹤跡，大角麋鹿馴鹿隨時可能現身灌木叢中，成群紅尾狐貍時或嬉戲于河床水濱，松雞一家也可能列隊穿越馬路，最令遊人期待的還是山坡覓食的灰熊。Ant colony algorithms and the application in slip surface of soil slope
蟻群演算法及其在搜索土坡滑動面中的應用The book is the excavation report on the site of laohushan culture, located in liangcheng county of daihai district, inner mongolia autonomous region, and belonging to the longshan culture
本書為內蒙古涼城縣笛海地區龍山時代老虎山文化遺址群的發掘與勘察報告，包括老虎山、園子溝、西白玉、面坡和大廟坡5個遺址。This was due to human activity and water availability. human activity disrupted the structure of the herb community
對處于同一坡面的同一類型草地植物群落而言，坡下的生物量和生產力大於坡上。Situated on the hillside opposite fanling railway station, fung ying seen koon is one of the most famous taoist temples in hong kong and is an unmissable spot for tourists
蓬瀛仙館位於粉嶺火車站對面的山坡上，是香港其中一座最著名的道觀建築群，也是訪港旅客必游的名勝。Ushering in a " national loo culture ", malaysia ' s deputy premier inspected a roadside toilet in a kuala lumpur shopping belt and urged the crowd outside to be cleaner while spending a penny
身為「全國廁所文化」活動的倡導者，馬來西亞副總理納吉布?拉扎克親自視察了位於該國首都吉隆坡市某商業區的一家路邊洗手間，他同時呼籲聚集在外面的群眾在花錢使用這種洗手間時應當養成比以前更為潔凈的衛生習慣。分享友人