闊葉樹種 的英文怎麼說
中文拼音 [kuòyèshùzhǒng]
闊葉樹種
英文
deciduous species-
A variety of conifers and hardwoods makes up the bulk of the vegetation.
大部分植被由各種針葉樹類和闊葉樹類構成。Likewise, certain angiosperms, for example, some eucalyptus species, will present few seed harvesting problems.
同樣某些闊葉樹種，例如一些桉樹類，采種的問題不多。The number of ingrowth was very small in all stands, the ingrowth mainly occurred for shade - tolerant tree species such as spruce, fir, korean pine and broad - leaved tree species
林分進界株數嚴重不足，進界的主要樹種是雲冷杉、闊葉樹和紅松，以耐蔭樹種為主。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。Preliminary report on silviculture experiment of four species at karst mountainous area of southeast yunnan
滇東南巖溶山區4個針闊葉樹種造林試驗初報Forests sometimes contain many tree species within a small area ( as in tropical rain and temperate deciduous forests ), or relatively few species over large areas ( e. g., taiga and arid montane coniferous forests )
作為普遍規則，受被子植物支配的森林（闊葉林）比那些受裸子植物支配的森林（松樹或針葉林）物種豐富，雖然有例外存在（例如，種類匱乏的白楊和樺樹生長在北緯度地區） 。Especially in the north slope, the broad - leaved wood of red pine, the animal ( insect ), plant ( tall tree, shrub, herb ) and the tree grows plentiful. the living creature is numerous, and the complete vegetative chain of formation is with the food net, provided the proper and living space for the animal ( insect ) and plant ( tall tree, shrub, herb )
長白山作為我國北方溫帶地區最高的山峰，保存了最為典型和完整的森林生態系統，特別是在長白山北坡的紅松闊葉林帶，樹種豐富，生物繁多，形成完整的食物鏈和食物網，對生活于其中的動物（昆蟲） 、植物（喬木、灌木、草本）提供了適宜的生活空間。The community composed of elaeagnus mollis as the constructive species is one of the typical vegetation types in the hills and lower - mountains of southern of shanxi
以翅果油樹為建群種形成的群落，是山西南部暖溫帶落葉闊葉林地帶低山丘陵區的代表植被類型之一。Utilization of tree species by forest birds during winter and summer in secondary deciduous woods
次生闊葉林中某些鳥類對樹種利用的研究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According to the sample area survey ; there are 120 species of plants belonging to 84 gener 47families in the 25 - year - old chinese fir plantation community which will succeed toward the direction simi - ler to the community type before the felling of evergreen broadleaved forest if it is let to develop naturally or the logging residues are not burnt after the felling of the chinese fir plantation due to the superiority of cas - tanopsis carlesii and schima superba in the aspling layer in it
據樣地調查，該25年生杉木人工林群落的植物有41科84屬120種，群落的外貌特徵以包括藤本在內的高位芽占絕對優勢，葉特徵以革質，單葉，中小型葉為主，由於該群落的幼樹層以米儲和木荷等占優勢，若讓其自然發展或杉木林採伐后不煉山，並排除其它人為干擾，該群落將向與常綠闊葉林採伐前的群落類型相似的方向演替。Veneer dyeing can improve wood visual characteristics and imitatethe color and luster of precious wood species, to increase the decorative effect. the veneers of hardwood species such as % populus tomentosa, paulownia elongata % were adopted to make dyeing experiments by using acid dyestuff. the result shows : the acid dyestuff in textile industry could be used in wood dyeing process. compound dyeing can be adopted by using the mixture of several kinds of dyestuff. the different treatment methods before the wood was dyed affects the dyeing effect of wood. there is a great difference in the deformed degree of dyeing veneers, smooth level has a relation with wood density. the density of dyestuff, dyeing time and dyeing temperature and so on have many influences on dyeing effect. different technological process has been used in veneers of different wood speicies
木材單板染色有利於改善木材視覺特性，可以實現模仿珍貴樹種木材的色澤，提高裝飾效果.該研究選取毛白楊和泡桐等闊葉樹種木材單板採用酸性染料進行染色實驗，結果表明：紡織工業用酸性染料可用於木材染色，也可以採用幾種染料混合復合染色；木材染色前的不同處理方法影響木材的染色效果；染色單板的變形程度有較大差異，平整度與木材密度相關；染料濃度、染色時間和染色溫度等對染色效果有較大的影響，不同樹種單板應採用不同工藝Therefore, it should be emphasized to enhance the self - fertilization capability of forest by adjusting the species composition and increasing the proportion of native broad - leaved species
因此，應重視通過調整物種組成，增加闊葉樹種比例以增強森林的自肥能力。Thinning stands with the thinning intensity of about 20 % and 30 % had no significant effects on species diversity, biomass of shrub and herb, and physical properties of soil
各林分的樹種組成在12年間基本沒有發生變化，即間伐沒有顯著地改變林分的樹種組成，目前的樹種組成即落葉松、其他針葉樹（雲杉、冷杉和紅松）和闊葉樹組成比約為6 : 3 : 1可能是相對穩定的群落。An elm is a type of large tall broad - leave tree
榆樹是一種高大的闊葉樹。Nutrient characteristics in leaves of broadleaved seedlings in south china
華南闊葉樹種幼苗葉片的養分特徵Study and exploration of native broadleaf trees resources in the mountain area of southwestern zhejiang province
浙西南山區鄉土闊葉樹種資源的調查研究及利用The species diversity of the forest in this area is richer than in other secondary forests in the same region, which reveals that the community was disturbed moderately before
野外調查結果表明，該群落的組成與結構比較復雜，群落的區系組成以落葉闊葉樹種為主，顯示出由中亞熱帶向北亞熱帶過渡性植被地段次生群落的特徵。Chung hua pulp co. adopt the imported hardwood chips as the main raw material, we take advantage of the fiber character of different wood species to manufacture a variety of paper suitable for use of culture, sanitation, industry, as evcalyptus, low vessel, picking pulp, bulky pulp, high opacity pulp
採用進口闊葉樹木片為主要原料，利用不同樹種之纖維特性來製造適合不同紙種之紙漿，如尤加利漿，低導管剝離漿，高松度漿，高不透明度漿等，使華紙之紙漿可適用於文化用紙，衛生用紙，工業用紙. .等Preliminary study on the water - conservation functions of mixed plantations between pinus massoniana and broad - leaved trees
馬尾松與木蘭科幾種闊葉樹混交后水源涵養功能的初步研究分享友人