混交群 的英文怎麼說
中文拼音 [húnjiāoqún]
混交群
英文
deme-
Results as following : in the east china sea and the yellow sea, zooplankton showed higher diversity in the low latitude and warm species occurred mainly in the south of 31 n, five communities were distinguished by twinspan method, based on data of species composition and environmental factors. they are : i ) yellow sea neritic community ( f ) with indicator species of labidocera euchaeta in autumn and centropages mcmurrichi in spring ; ii ) yellow sea central community ( hc ) with indicator species of themisto gracilipes, calanus sinicus and euphausia pacifica, the latter two species occurred only in autumn ; iii ) east china sea continental shelf mixed water community ( k ) with indicator species such as rhincalanus cornutus and pterosagitta draco which were confined in waters with high temperature and salinity, iv ) yellow sea and east china sea mixed water community ( he ) and v ) east china sea inshore mixed water community ( m )
根據twinspan等多元分析結果，比較各組群的浮遊動物種類組成和環境特徵，可將東、黃海浮遊動物群落分為5個，黃海沿岸群落（ f ） ，指示種秋季為真刺唇角水蚤，春季為墨氏胸刺水蚤；黃海中部群落（ hc ） ，指示種以細長腳蟲戎為主，秋季還有中華哲水蚤和太平洋磷蝦；東海外陸架高溫高鹽群落（ k ） ，指示種為角錨哲水蚤、飛龍翼箭蟲等多種狹布型暖水種類；黃東海交匯區群落（ he ）和東海近岸混合群落（ m ） ，兩群落包含多種生態類型種類，其中溫帶近岸低鹽種在he中較多，廣布性暖水種在m群落中較多。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。This paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm
針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。Abstract : this paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm
文摘:針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。The vegetation was chiefly dominated by coniferous - brodleaved mixed forests, with many evergreen broadleaved species in their young growth stage, it can be suggested that the vegetations in the meizilake area were in a successional stage from coniferous - broadleaved mixed forests to evergreen broadleaved forests. however, the formation of the climax community evergreen broadleaved forests needs a long time
可以看出，梅子湖森林植被群落正處于由針闊葉混交林常綠闊葉林的演替階段，群落中的思茅松林正在向被常綠闊葉林替代的方向發展，但要演替為頂級群落，還需要很長的時間。Due to different exploitation intensity and ecological restoration measures used in hongchiba region, wuxi county, the vegetation have been formed a series of succession stages, i. e. herbaceous stage scrub - shrub stage - shrub - tree stage - pure larix daempferi conifer forest stage - pinus armandii needle broad - leaved mixed forest stage - natural deciduous broad - leaved forest
巫溪縣紅池壩地區由於歷史上開發強度和生態恢復措施的不同，使當地植被形成了從草本群落灌木灌叢林灌過渡帶日本落葉松（ larixdaempferi ）針葉純林華山松（ pinusarmandii ）針闊葉混交林天然闊葉落葉林的一系列生態恢復演替階段。Longling palynoflora comprises of 86 palynomorphs belonging to 61 families, and consist of angiosperms ( 69. 0 % ), gymnosperms ( 4. 6 % ), pteridophytes ( 24. 1 % ) and algae ( 2. 3 % ). longling palynological data indicate a vertical paleovegetational landscape : humid evergreen broad - leaved forest occurred on the slopes near the deposit site, and dominant elements were castanopsis, lithocarpus, cycobalanopsis, mixed with ericaceae, anacardiaceae and sapindaceae etc, and abundant ferns grew in the forest ; the mixed coniferous / broad - leaved forest and coniferous forest distributed on the area of high elevation, dominant elements were tsuga, pinus, picea and abies
濕性常綠闊葉林分佈在沉積地附近，以殼斗科的石櫟屬、青岡屬和栲屬為主，混生漆樹科、桃金娘科、蓼科、大戟科和金縷梅科的楓香屬等植物，林內蕨類植物豐富；針闊葉混交林分佈在距沉積地較遠海拔較高的山地，主要包括松屬，鐵杉屬，羅漢松屬和一些闊葉植物類群；雲杉林、冷杉林和鐵杉林分佈在更高海拔的地區。Niche breadth of four dominate populations at three age groups was studied by the methods of resource utilization ability and ratio. the result shows that : symplocos sectchuanensis is a typical gengeration species whi ch resource utilization ability is strong, and distribution is wide. meanwhile, go rdonia acuminata, castanopsis fargesis and pinus massoniana specialized at some d egree in resource utilizationm, their distribution is limited. especially, the ju venile of pinus massoniana specialized outstandingly. with the devlopment of pinu s massoniana, which is the pioneer population in mt. jinyun, the environment become s unfit to it ' s juvenile. it turns to needle and evergreen broad - leaves mixed fo r est. because the tolerance toward shading of gordonia acuminata is lower than tha t of castanopsis fargesis, gordonia acuminata will be substituted by castanopsis fargesis and other evergreen broad - leaves species are the edificators. the popul ation ' s ability of resource utilization is the inner factor of population distri bution and community succession. the distribution of light and the concentrate of nutrient ( such as n ) is the outer factors of community succession
對縉雲山森林植被的4個優勢種群3個年齡級生態位寬度進行了研究.結果表明，川灰木利用資源的能力最強、分佈廣，為典型的泛化種.大頭茶、栲樹、馬尾松對資源的利用在一定程度上特化，分佈上有一定的局限性.馬尾松的中齡組與幼齡組特化現象十分顯著.縉雲山森林植被的先鋒種馬尾松的發展，導致環境的改變不適于其幼齡個體的生長，群落演替到針闊葉混交林階段，最後發展為以栲樹等為建群種的常綠闊葉林.種群的資源利用能力，是種群分佈與群落演替的內在原因，光因子和營養元素（如n ）是群落演替的主要外部動力The vegetation types are described of baishanzu national nature reserve in qingyuan county, zhejiang province. the surveyed area covered25thousand hm 2 in which27sample plots with20m 20m each were selected. based on the importance value of plant species, six vegetation types were devided, viz. evergreen broadleaved forest, evergreen and deciduous broadleaved mixed forest, coniferous and broadleaved mixed forest, coniferous forest, mountain dwarf forest, and mountain shrub and herbosa. floristic composition, community structure, and trend of community succession of each vegetation type are described
對近20年來多次調查的資料進行系統整理，將百山祖植被主要劃分成6個植被類型:常綠闊葉林、常綠落葉闊葉混交林、針闊葉混交林、針葉林、山地矮林和山地灌草叢，其下可分為22個群系;同時對群落的種類組成、結構和演替趨勢作了概述。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。Studies on population ecology showed that d. versipellis is able to grow on the hillsides of subtropical broadleaf or acicularleaf secondary forest where soil is fertile and the content of n, p, k is high and the ph is 5. 49 - 6. 59
種群生態研究表明八角蓮適宜生長的土壤為中性偏酸（ ph5 . 49 6 . 59 ） 、有機質含量為7 . 34 33 . 33和n 、 p 、 k養分含量高的黃棕壤；其生長環境的植被為亞熱帶針葉混交林，伴生植物多為當地優勢種。The importance values of the renewal layers indicated that the communities to be dominated only by keteleeria evelyniana would evolve on the upper slope, the needle leafed and broad leafed mixed forests to be dominated by cyclobalanopsis delavayi and keteleeria evelyniana would evolve finally on the middle slope and the evergreen broad leafed forests to be dominated only by cyclobalanopsis delavayi would be evolve finally on the lower slope
根據更新層的重要值來判斷，山坡上部將演替成為以滇油杉為主的單優群落；山坡中部將演替成為滇油杉和黃毛青岡為主的針葉、闊葉混交林；山坡下部將演替成為以黃毛青岡為主的常綠闊葉林。The species are the furthest abundant in mixed forest of evergreen broad leaf and deciduous broad leaf in middle altitude region ( from 500m to 1, 200m ) in two areas, followed by the mixed forest of coniferous leaf and broad leaf in middle altitude region ( from 1, 200m to 1, 600m ) of mangshan and the evergreen broad leaf forest in low altitude region ( under 500m ) of babaoshan. the biomass of the mollusca community is much bigger than any other areas and the superior species are quite apparent in low altitude region. the terrestrial mollusca are not discovered in high altitude region ( from 1, 600 to 1, 900 ) so far
中海拔區（ 500 1 ， 200m ）的常綠闊葉與落葉闊葉混交林帶陸生貝類物種最為豐富；次豐富的為莽山中海拔區（ 1 ， 200 1 ， 600m ）的針闊混交林帶和八寶山低海拔區（ 500m以下）的常綠闊葉林帶；低海拔區（ 500m以下）的常綠闊葉林帶陸生貝類的種群數量大，優勢種明顯；高海拔區（ 1 ， 600一1 ， 900m ）未發現陸生貝類。Simulation of the potential responses of mixed coniferous and broad - leaved korean pine communities by bkpf model
模擬紅松針闊葉混交林群落對氣候變化的潛在反應It was found that : ( 1 ) the vegetation type of xiaozhaizigou nature reservation are broad leaved forest and coniferous deciduous forest, subalpine coniferous forests ; ( 2 ) there are " fargesia rufa, f. denudata, f. nitida, bashania fangiana " in various vegetation type in xiaozhaizigou nature reserve, especially mixed coniferous and broad - leaved forests and subalpine coniferous forests ; ( 3 ) in xiaozhaizigou, the broad - leaved forest, mixed coniferous and broad - leaved forests, and subalpine coniferous forests were suitable habitat for pandas ; ( 4 ) with the ascension of altitude, the vegetation type alters naturally and takes on natural state
結果表明： （ 1 ）小寨子溝大熊貓生境的植被類型有2種：闊葉林和針葉林； （ 2 ）小寨子溝自然保護區內分佈有青川箭竹、缺苞箭竹、華西箭竹、冷箭竹等多種箭竹，這些作為大熊貓食料的箭竹廣布在各種植被類型中，尤其是針闊混交林和亞高山針葉林； （ 3 ）大熊貓對生境的群落結構有較廣的適宜性，闊葉林、針闊混交林、亞高山針葉林均可作為它的適宜生境； （ 4 ）小寨子溝自然保護區內的植被類型是隨海拔的升高而自然過渡的，呈現出受人類活動影響較小的自然狀態。Today, the forest has been fairly well reestablished, tending to a mixed forest of evergreen broad - leaf and deciduous broad - leaf trees in succession
該群落的物種多樣性在同地區的次生林類型中處于較高水平，表明群落以前受到過中度干擾，目前的恢復狀況較好，群落的演替趨勢是常綠闊葉落葉闊葉混交林。Iii ) for artificial communities including herbaceous community, pure conifer and needle broad - leaved mixed forest, the poor niche configuration and serious niche overlap of component species made the composition structure of community be in an unstable state
3 ）人工構建的群落（包括草本群落、針葉純林和針闊混交林）其組成物種生態位配置差，生態位重疊大，造成群落組成結構不穩定。Study on population dynamics of chinese fir and its associated tree species in natural chinese fir - and - broad - leaved mixed forest in northwest fujian
閩西北天然杉闊混交林杉木及其伴生樹種種群動態研究To day, the burned blank was almost restored. the proportion of forest area increased 47. 6 % in 1987 to 81. 3 % in 2000, among the forest landscape patch types, coniferous is the dominant, about 47. 6 %, which is the result of the intensive planting after fire
各景觀斑塊類型的變化強度迥然不同，林火跡地已基本恢復，並基本處于良好的發展狀態，目前研究區主要喬木林（針葉林、闊葉林、針闊混交林）面積已佔研究區總面積的81 . 3 ，演替頂級群落針葉林已達47 . 6 。Study on the spatial pattern of major populations in the needle and broad - leaved mixed evergreen forest in niumulin nature reserve zone of fujian province
福建省牛姆林自然保護區常綠針闊葉混交林主要種群空間格局研究分享友人