index-forest 中文意思是什麼
index-forest
解釋
指示林-
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 then proposes to develop an index of heterogeneity in time, perhaps in the following manner: habitat, applying the numbers1 of forest, o for meadow or savanna.
然後作者又提出求異質性在時間上的指數，這多半採用以下方法：生境：森林為1，草甸或稀樹草原為O。 -
The result indicates that the index system possesses stronger science and accords the fact of outskirts and hill. 5 the index system emphasizes that synthesis agriculture of shallow hilly and flatland pay attention to the intensive using characteristic, that agriculture and forest ecology of hill and knap insist production, stabilization and conservation, and that suburban synthesis agriculture of flatland accent social security characteristic
5從所建立的指標體系可知，在淺丘平壩農業綜合區指標體系主要強調土地的集約化利用特點，而在低山丘陵農林生態區則強調了土地的保護性、生產性和穩定性，在平壩城郊綜合農業區則著重強調了土地的社會保障特性。 -
Community ' s a diversity is measured by simpson diversity index, shannon - wiener diversity index and pielou evenness index. the results show that habitats range in a diminishing sequence of diversity indices from broadleaf forest, broadleaf bush, grassland bush to bamboo forest ; that altitude belts range from 600 - to - 1200 - m belt, under - 600 - m belt to 1200 - to - 1800 - m belt, and no longicorn beetles was found above 1800 m ; months from july, may, june to august, a diversity analysis shows that complicated habitats can hold higher biodiversity
結果表明，不同生境多樣性指數從高到低的順序是：闊葉林、闊葉灌叢、灌草叢、竹林；不同海拔多樣性指數從高到低的順序是： 600 ? 1200m區間、 600m以下區間、 1200 ? 1800m區間， 1800m以上區間暫未發現天牛科昆蟲；不同月份多樣性指數從高到低的順序是： 7月、 5月、 6月、 8月。 -
The shape index tends to increase with growth of the patch area. the shape indices of the forest and the farm landscape between 1. 10 and 1. 30 and the shapes of them are close to rotundity. however, the shape indices of the herbage and the shrub landscape of temperate zone between 1. 30 and 3. 00 and the shapes of them are long and narrow
五臺山地區的斑塊形狀指數隨著斑塊面積的增加有逐漸增大的趨勢，該地區各類景觀要素中，各類森林景觀和農田景觀的斑塊形狀指數大多在1 . 10 1 . 30 ，其斑塊的形狀較接近於?形（即緊密型形狀） ；而溫帶灌叢景觀、溫帶草原及灌草叢景觀和山地草甸景觀的斑塊形狀指數大多在1 . 30 3 . 00 ，這幾類景觀要素的斑塊由於面積較大，大多以狹長為主（即鬆散型形狀） 。 -
The abundant degree of plants, seed seedling amount, and the diversified index in the seed bank of the urban green land are lower than the natural second growth forest in outer suburbs
城市綠地土壤種子庫中種的豐富度、種子苗量、多樣性指數均不如遠郊區山地天然次生林。 -
The paper concludes that the changing rate of ndvi of rain forest in tropic is the smallest, the changing curve is smooth, while the changing rate of ndvi of the deciduous broad leaf forest in warm - temperate zone is the largest the change of ndvi is the most conspicuous in winter and spring ( especially in april ) while is not conspicuous in summer and autumn by analyzing the change of ndvi along latitude using the ndvi value of different vegetation types along the same longitude. the vegetation index from warm temperate zone to semitropical zone has obvious transition, while other areas have no distinct change by analyzing the change of ndvi from temperate zone to semitropical zone to tropical zone using ndvi averagejn the same time it is concluded that the sink value in the beginning of the year 1995 is from the influence of the monsoon in east of china by analyzing the ndvi curve of several typical needle leaf forests. the relation between ndvi value and temperature is conspicuous while the relation of precipitation is less or not by analyzing the relation between ndvi and temperature and precipitation finally it can get the conclusion that the change of river area is the smallest, the change of sienna area is the greatest by analyzing two phases of tm data in 1987 and 1997 with rs technic
利用從同一經度的不同森林類型ndvi值分析，沿緯度方向ndvi變化可得出， ndvi在冬春季變化最明顯（尤其是在4月份最大） ，而在夏季和秋季變化不明顯。利用ndvi均值進行分析，從暖溫帶到亞熱帶到熱帶的變化情況發現，從暖溫帶到亞熱帶ndvi指數形成明顯的階躍，而其它區域沒有太大的變化，同時對幾種典型的針葉林曲線分析可知其年初的凹值源自於我國東部季風的影響。利用ndvi數據分析其與月均溫度與降水的相關性得出與溫度相關性較為顯著，而與降水相關性不顯著或無相關性。 -
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。 -
The species richness and diversity index order of coniferous and broad - leaf forest and evergreen broad - leaf forest in different geology plots was as follows : shrub layer > herb layer > tree layer ; in shrub plots, the order was herb layer > shrub layer. in general jsw, jsi and ea index order was herb layer > shrub layer > ree layer. that indicated that the species of tree and shrub in karst area distributing is not even, and the species, which are dominant and adapt to the karst environment are cleaer
不同地區樣地針闊混交林和常綠闊葉林物種豐富度指數、多樣性指數均表現為灌木層草本層喬木層，而在灌叢樣地，物種豐富度和多樣性指數表現為草本層灌木層；整體上，石灰巖地區樣地jsw 、 jsi和ea指數為草本層灌木層喬木層；砂頁巖地區樣地為灌木層草本層喬木層。 -
The forest fire size class forecasting may success through many times practices if the atmosphere circulating current index and fire index are known. in the web, subscribers may forecast the class of the forest fire size using the program in the local database and get the interesting regional view which is shown by the gis software
本文實現了在提供地理空間數據的本地數據庫的森林火險的預測，在基於網路環境下，用戶可以在預測程序中得到森林火險的等級，並能使得地理軟體顯示出要預測地區的森林火險的視圖。 -
Results demonstrate that with the succession going on from herbosa shrubs coniferous forest theropencedrymion evergreen broad - leaved forest, abundance and diversity index of species, biomass and productivity of vegetation all show a rising trend prior to the formation of a mature and stable biotic climax
結果表明：隨著草叢灌叢針葉林針闊混交林次生常綠闊葉林正向演替的進行，在未形成成熟而穩定的頂極群落之前，物種豐富度、物種多樣性指數、植被生物量及生產力都呈增大趨勢。 -
The research result is following : the annual species richness index of studied forest plant community averaged 64. 688, the species diversity index was 2. 982. the proportion of every functional group of forest plant community is : herbaceous layer ( average is 68. 89 % ) > tall tree layer ( average is 15. 266 % ) > shrub layer. ( average is 15. 845 % ) the proportion of every functional group in forest insect communities is remarkably different, and the order of the proportion is herbivorous insect group ( average 0. 729 ) > predatory natural enemy insect group ( average 0. 136 ) > parasitical insect group ( average 0. 135 ). with seasonal change, the proportion of herbivorous and predatory insect group decreased obviously, while that of parasitical insect group increased on average by 147 %
研究結果如下：森林植物群落種的全年物種豐富度指數平均為64 . 688種，多樣性指數為2 . 982森林植物群落內各功能類群物種所佔比重依次為：草本層（平均為68 . 89 ） >喬木層（平均為15 . 266 ）灌木層（平均為15 . 845 ） 。森林昆蟲群落中，全年各功能類群所佔比重以植食性昆蟲類群為最大，平均佔0 . 729 ；捕食性昆蟲類群次之，平均佔0 . 136 ；寄生性天敵類群為最小，平均為0 . 135 。 -
Thirdly, the mathematics model of forecasting low flow was established in fengcong and fenglin regions according to these factors influencing the amount of low flow in karst drainage ( the area of drainage, lithology, the type of landforms and its special assembly and forest ) the conception of low water resources carrying capacity was first put forward according to the changing law of low water resources in space and the situation of exploitation and utilization in karst drainage ( ie, under the condition of the virtuous ecological environment and the available technology, the explorable amount of water resources in certain areas is capacity and limitation which is able to coordinate the development of population, enviroment and economy during the period of low flow seasons ) and preliminarily analyzed its connotation, characteristic and established the index system of low flow in karst drainage
三是根據影響喀斯特流域枯水徑流的下墊面因素（空間尺度、巖性、地貌類型、植被） ，分別對峰叢和峰林等喀斯特地區建立枯水徑流預測模型。根據喀斯特流域枯水資源的空間變化規律以及實際開發利用狀況，首次提出了枯水資源承載力的概念，即在枯水季節期間，保持良性的生態環境和現有的技術條件下，某一區域內可開採的水資源量對支持該地區人口、經濟與環境協調發展的能力和限度。並初步分析了枯水資源承載力的內涵、特性，從水資源的供需方面確立了喀斯特流域枯水資源承載力的指標體系。 -
In brief, there are many similar parts between chinese legal systems of forest protection and japanese, especially there stronger similar relating some technical index
總之，中日在森林保護法律制度中有諸多相似之處，尤其是在涉及到一些技術標準時有較強的相似性。 -
It is shown that forest coverage rate, crop replanting index and unit labor input have significant effects on soil erosion
研究發現，森林覆蓋率、作物復種指數以及單位勞動投入等因素對土壤侵蝕作用顯著。 -
According to the characteristics of the urban forest area, put forward the evaluate index system of the greenbelt sight aesthetic effect in the urban forest area
摘要對城市森林小區進行美學景觀模糊評判是城市綠化建設的一個重要量化指標。 -
The niche proportional similarity and the niche overlap index reflect the niche characteristics of the evergreen broadleaf trees in subtropical forest
結果表明:組成米櫧林群落的優勢種群絕大多數為廣生態位，種群之間關系復雜，對資源具有一定的共享性。 -
After analysis of tm / etm + data ' s advantage over the forest change detection, tasseled cap transformation, principal component analysis and normalized difference vegetation index were chosen to enhance the vegetation spectral information. expert classification system was adopted to extract the main tree species in the littoral shelter forest
在分析etm +數據在森林資源監測中的優勢的基礎上，通過纓帽變換、主成分分析和植被指數法增強植被光譜信息，結合專家分類系統對沿海防護林主要樹種進行提取。 -
In the agricultural total output value internal structure, output value of forestry and animal husbandry occupy 80 % of it, and realize fully exploitation and utilization of the superiority environment factors ; in the crop planting output value internal structure, the economical crop output value occupy 51. 18 % of it, and give prominence to develo pment of the regional superiority ( resource superiority ) and characteristic agriculture ( chinese medicinal materials etc ) ; in the animal husbandry output value internal structure, the grass - eating animals output value ( including rabbit output value ) occupy 84. 55 % of it, thereinto, the rabbit output value occupy 66. 2 % of it, and realize operation of large scale ; enhance meat, egg and milk per person ( increase proportion of beef and mutton, reduce proportion of pig ), and reduce grain per person and oil plants per person, and enhance forest - coverage rate, source of manure index etc, and enhance ecological benefit
到2020年時農業總產值達到了2000年的2 . 75倍，人均產值達2753 . 42元，是2000年的2 . 39倍，總產值內部，林業和牧業產值佔80 ，充分實現了優勢環境因子的開發利用；種植業內部，經濟作物產值佔51 . 18 ，突出了區域優勢（資源優勢）和特色農業（中藥材等）的發展；牧業內部，草食畜產值（含兔）佔84 . 55 ，其中兔產值占牧業產值的66 . 2 ，實現了規模化經營；提高了人均肉蛋奶佔有量（其中增加牛羊肉比重，降低了豬肉比重） ，降低了人均糧食和油料佔有量，同時還提高了森林覆蓋率、肥源指數等指標，從而提高了生態效益。 -
Based on the five types of the construction systems of the yellow river that are portioned according to the distribution region, position and function of the protection forest in ningxia autonomous region, the distribution of the system, the arrangement of tree species, the growth status and protection structure index are analyzed
摘要該文在將寧夏段黃河護岸林防護林體系劃分為5種類型的基礎上，分析了該地區防護林的體系分佈、樹種配置、生長狀況及防護結構指標。
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