forest community 中文意思是什麼

forest community 解釋
森林群落
  • forest : n. 福雷斯特〈姓氏,男子名〉。n. 1. 森林,山林。2. (英國)皇家狩獵場。vt. 在…造林;使長滿樹林,使成為森林。
  • community : n. 1. 村社;社會,集體;鄉鎮,村落;【生物學】群落,群社。2. 共有,共用;共同體,共同組織;聯營(機構)。3. 共(通)性;一致(性);類似性。
  1. The vertical structure of each forest community were obvious and could be divided into tree layer, shrub layer, herbage layer and lianas

    各群落垂直結構十分明顯,可分為喬木層、灌木層、草本層和層間植物。
  2. With the four forest community ' s age nearly the same, the order of different forest ground biomass of single tree was quercus liaotungensis > betulaplatyp hylla > popular davidiana > pinus tabulaeformis

    該研究揭示了森林群落自然演替的規律,對森林群落的經營管理和在黃土高原丘陵溝壑區進行林草植被建設和生態環境重建具有特殊意義。
  3. According to the analysis result of spore sporophytes, the wild animals in the three gorges belonged to the forest community, which helped improved the hunting conditions

    從已有的孢子分析結果來看,三峽地區的野生動物群屬于典型的森林性動物群落,這種特性有利於該地區狩獵活動的廣泛開展。
  4. In different phases of development, vegetation systems in this region have changed from pioneer herbage species initially recovering in abandoned cropping lands ( bothriochloa ischemum, artenmisia giradii and stipa bungeana, artenmisia sacrorum, spodiopogen sibiricus and sophora flavecens, themeda japonica, and arundinella anomala ) to secondary shrubs ( hippophae rhamnoides, sophora viciifdia, and ostryopsis davidiana ), early forest community ( populus davidiana, betula platyphylla and platycladus orientalis with arbors or shrub assembling ), and finally liaotungesis community as the mature forest. in this study, soil profiles ( 0 - 5, 5 - 15, 15 - 25, 25 - 35, 35 - 50 cm soil layers ) were selected from typical vegetation systems representing for vegetation successions in the region

    該區北部目前還保存有空間上完整的植被正向演替系列,即棄耕地先鋒群落草本群落(白羊草bothriochloaischemum 、茭蒿artenmisiagiradii +長茅草stipabungeana 、鐵桿蒿artenmisiasacrorum 、大油芒spodiopogensibiricus +苦參sophoraflavecens 、黃菅草themedajaponica或野古草arundinellaanomala )灌叢群落(沙棘hippophaerhamnoides 、狼牙刺sophoraviciifdia 、虎榛子ostryopsisdavidiana )早期森林群落(喬灌群聚、山楊populusdavidiana 、白樺betulaplatyphylla 、側柏platycladusorientalis 、 )遼東櫟群落( quercusliaotungensis ) 。
  5. It points out that the rational and stable inner structure cannot lead to serious soil moisture shortage ; its natural climate condition can meet the needs of forest community. it is the irrational management that causes the serious soil moisture shortage in artificial forestry land. if we intervene properly and create some growth condition similar to natural vegetation, the recessed artificial robinniapseudoscacia can restore benignly

    當前人工林地的土壤水分出現嚴重虧缺而形成土壤干化層並導致人工林衰退是人為不合理經營造成人工林群落林分結構不完善的結果,如果人為干預適當,能創造出類似於天然植被的生存條件,人工植被完全有可能得到正常的生存和發展,出現衰退的人工刺槐林完全有可能得良好的恢復。
  6. The research object of this paper is the broad - leaved wood of red pine in north slope of changbai mountain. by analyzing the composition, construction, biodiversity and season diversity of forest community, we probed the rule of the forest community changing with the season and the ecological effect of forest insect community affected by forest plant community, appraised firstly regulating ability of forest ecosystem on forest pest and estimated finally effect of forest insect on ecosystem health

    本文研究對象為長白山北坡紅松闊葉林帶,通過對森林群落的組成、結構、生物多樣性及其季節變化,探索了森林群落生物多樣性隨季節變化規律,森林昆蟲群落在森林植物群落的影響下的生態效應,對森林生態系統對森林害蟲控制力作初步評價,最後對森林昆蟲對生態系統健康影響作出評價。
  7. The close canopy of fragmental evergreen broadleaved forest community is less than the one of continuous evergreen broadleaved forest, and the plant species of fragmental evergreen broadleaved forest community are also less than those of continuous evergreen broadleaved forest, and there are some conifers in the fragmental evergreen broadleaved forests

    群落郁閉度不如連續森林大,植物種類也不如連續森林豐富,而且其中夾雜著一些針葉樹。常綠成分種類組成不如連續森林豐富,針葉成分數量上較連續森林的多。
  8. The following contents were mainly studied : ( 1 ) aspect, structure as well as characteristic of species composition between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 2 ) species diversity, species abundance and species evenness between fragmental evergreen broadleaved forests and contin. us evergreen broadleaved forest ; ( 3 ) plant floristic compositions at family and genus levels between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 4 ) life form between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 5 ) microclimate factor ( sun radiation, temperature, wind velocity, humidity ) in different level pattern ( open, edge and interior ) between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 6 ) the relations between environment and soil factors as well as species diversity of forest community between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest

    主要研究以下內容: ( 1 )片斷和連續常綠闊葉林的外貌、結構和物種組成特徵; ( 2 )片斷和連續常綠闊葉林的物種多樣性、豐富度和均勻性; ( 3 )片斷和連續常綠闊葉林的科( ? )屬水平的植物區系成分; ( 4 )片斷和連續常綠闊葉林生活型組成; ( 5 )在不同的水平梯度格局上(林外、林緣和林內) ,片斷和連續常綠闊葉林的小氣候要素(光照、溫度、風速、濕度等) ; ( 6 )片斷和連續常綠闊葉林的環境和土壤因子,與群落的物種多樣性之間的關系。實驗結果表明: ( 1 )各片斷森林的外貌特點基本上和連續森林一致。
  9. Spatial distribution pattern of tree species populations and interspecific association in fraxinus mandshurica and juglans mandshurica forest community

    水胡林群落樹木種群空間分佈及種間關聯性
  10. In 0 - 200cm light dried layer was formed and can be recovered partly after rainfall, but beneath 200cm the serious perpetual dried layer has lower water content and larger thickness and is very difficult to be recovered in short period because of the special hydrological characteristics in the loess plateau where infiltration depth is about 200cm and could not percolate into deeper layer. ( 4 ) the landscape ecology in fuxian county shows that the two kinds of forest community have not declined

    ( 4 )富縣天然山楊林和天然遼東櫟林的景觀生態特徵表明,兩類森林群落沒有出現衰退的跡象,這說明森林群落合理的內部結構不會造成林地土壤水分的嚴重虧缺,其自然氣候條件可以滿足森林群落生存、發展的需要。
  11. Numerical classification of the evergreen broadleaved forest community in castanopsis kawakamii nature reserve

    格氏栲自然保護區常綠闊葉林群落的數量分類
  12. With diversity of forest plant community medium, forest community had best control on forest insect

    森林群落對森林害蟲控制力以森林植物群落多樣性適中時為最高。
  13. The influence to the soil trait and countermeasures of durable evolutional development by the forest community succession in simian mountain scenic spot in chongqing

    四面山森林群落演替對土壤特性的影響及可持續發展對策
  14. Effects of forest community degradation on water chemical of karst shallow groundwater

    喀斯特森林群落退化對淺層巖溶地下水化學的影響
  15. The characteristics of four main forest community types were analyzed by typical sampling technology, diversity and diversity were calculated with various calculation methods

    摘要應用典型抽樣法研究了三江源自然保護區4個主要森林群落的物種多樣性,採用多種測度方法計算了各森林群落的多樣性和多樣性。
  16. 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自然生態狀況長期觀察的基礎上,闡述了森林植物群落對自然環境的生態作用,對區內的人工森林退化問題及其動態過程進行了分析。
  17. The area of plot sampling in every typical community locality on the small protected area in huangyinling were 1 600m2. the site factors were investigated by the method of forest community investigation, and the species, body number, height, d. b. h., coverage of herbage and so on were recorded

    在黃茵嶺生態保護小區中亞熱帶常綠闊葉林中設置樣地,每個群落的樣地調查面積均為1600m ~ 2 ,採用森林群落的調查方法,調查立地因子,記錄群落植物的物種名、個體數、高度、胸徑、草本層蓋度等。
  18. Research on the characteristics and distribution of pinus armandii forest community on the qianling mountains

    貴陽黔靈山華山松群落分佈及特徵初步研究
  19. In preliminary vegetation succession from abandoned land community to herbage community, the increasing degree is higher. and with further succession which is herbage - shrub - early forest - liaotungesis forest community it goes down gradually. ( 2 ) the water content in 0 - 5cm soil layer increases significantly and the water content in > 5cm soil layer decreases in the course of vegetation succession

    演替初期(棄耕-地先鋒群落草本群落)有機碳含量的增加幅度較大,而後,隨植被的進一步演替(草本群落灌叢群落早期森林群落遼東櫟群落) ,有機碳含量增加幅度變小。
  20. Main results are summarized as follows. ( 1 ) the content of soil organic c in 0 - 25cm soil layer increases significantly in the course of vegetation succession from abandoned land to liaotungesis forest community. but the content of soil organic c in > 25cm layer does n ' t change obviously ( 3 ~ 4g kg - 1 )

    主要結果如下: ( 1 )從棄耕地到頂極群落(遼東櫟群落)的正向演替過程中, 0 25cm土層的土壤有機碳含量顯著增加,但25cm以下土層有機碳含量基本一致( 3 4gkg ~ ( - 1 ) ) 。
分享友人