密植叢 的英文怎麼說
中文拼音 [mìzhícóng]
密植叢
英文
tangle-
Can the brachytic dwarf gene or the bushy genes be used to advantage in cultivars designed for high density plantings ?
短枝矮化基因或灌叢狀基因能有利於品種高度密植的設計嗎?Can the brachytic dwarf gene or the bushy genes be used to advantage in cultivars designed for high density plantings.
短枝矮化基因或灌叢狀基因能有利於品種高度密植的設計嗎?In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on
本文把洛塔現存植被分為自然植被與栽培植被兩大類進行研究,通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行分佈面積的統計,在此基礎上,以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據,對已成林的針葉林與闊葉林進行森林生態系統的價值估算,得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元,參照這一生態價值量,把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物,以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。Those easily found plants and fungi are pinus densiflora, querces mongolica, lespebeza bicolor, rhododendrum chrysanthum, melampyrum roseum, ramaria stricta, cortinarius collinitus, etc, among which, 22 species of plants and 3 species of mushrooms were first reported occurring beside fairy rings of matsutake. 4. studies on dna polymorphisms of symbiotic edible fungi, tricholoma matsutake. the dna fingerprinting of wild baidiocarps of matsutake, collected from the scenes of major production regions in china, were analyzed based on rapd ( random amplified polymorphic dna ) - pcr patterns were optimized by example experiments of two dna templates in this study
除了常見的赤松(屍inusde胭必ra ) 、蒙古棟( que兀esm口吧口lica ) 、胡枝子(眾印『 bezabicolor ) 、興安杜鵑( rhododen動側nc加」 anthum )等外,另外以前並未報道的22種植物, 3種高等真菌也在松茸蘑菇圈附近出現頻率很高,例如被當地菇農稱為松茸花的山蘿花( mela州眨」似腳roseum ) ,與松茸同期發生的蘑菇如密叢枝( ramariastricta ) 、粘柄絲膜菌( cortinari 。In the natural condition, the following five stages are the plant restoration and succession process of luota : populus adenopoda shrub forest, rhus chinensis, pyracantha fortweana shrub forest, liquidambar formosana, corizria sinica forest, pinus massoniana, carpinus rurczaninowii forest, karst evergreen - deciduous forest
只有少數林窗存在。自然恢復林在植被恢復程度上遠不如喀斯特常綠落葉林,只在密閉的灌木叢中分佈著少許高大的喬木。Land densely overgrown with tropical vegetation
熱帶植叢長滿了密集的熱帶植物的地帶Most of the soil had been washed away or buried in drift after the removal of the trees ; only where the streamlet ran down from the kettle a thick bed of moss and some ferns and little creeping bushes were still green among the sand
在樹木被搬走以後,大部分土壤不是被雨水沖走就是埋成了堆,只在那細泉從鍋中溢出后形成的細流邊上,有一塊厚密的苗床,上面長著些苔蘚羊植物和蔓延在地面上的小灌木叢,仍然在這沙地上搖曳著一片碧綠。( am ) fungi exhibit low host specificity and form mutualistic associations with a wide range of host plant species over a wide range of environmental conditions. some characteristics of am fungi, including hyphal growth, distribution and metabolic activity, are closely related to mycorrhizal efficiency and to ecological function of am fungi, and may be influenced by host plant and soil conditions
叢枝菌根共生體由宿主植物和真菌共同組成,菌根真菌的生長、代謝活性、菌絲分佈以及生態適應性等特徵不但與菌根效應、菌根真菌的生態功能密切相關,而且受到宿主植物和土壤條件的影響。The actual reproduction and artificial restoration density were the biggest with the treatment of irrigation ? soil preparation + natural regeneration, and the average numerical value was 13. 04 clumpes / m ^ 2 ranging from 3 clumpes / m ^ 2 to 28 clumpes / m ^ 2. the others were as follows : 1. 66 clumpes / m ^ 2 occurred in the treatment of unirrigation + soil preparation + artificial regeneration, ranging from 1 clumpe / m ^ 2 to 20 clumpes / m ^ 2 1. 11 clumpes / m ^ 2 occurred in the treatment of unirrigation + soil preparation + natural regeneration, ranging from 0. 5 clumpe / m ^ 2 to 17 clumpes / m ^ 2 0. 25 5 clumpe / m ^ 2 occurred in the treatment of unirrigation + break ground + natural regeneration, ranging from 0. 1 clumpe / m ^ 2 to 3. 0 clumpes / m ^ 2, and 0. 012 clumpe / m ^ 2 occurred in the treatment without disturbance
以更新密度作為參數,其數值依次為:灌溉+整地十自然更新最大,平均為13 . 04叢/平方公尺,變化在3 28叢平方公尺之間;無灌溉+整地十人工種植恢復平均為1 . 66叢平方公尺,變化在1 20叢平方公尺之間;無灌溉十整地+自然更新恢復平均為1 . 11叢平方公尺,變化在0 . 5 17叢平方公尺之間;無灌溉+破土+自然更新平均為0 . 255叢平方公尺,變化在0 . 1 3 . 0叢平方公尺之間;無干擾自然更新平均為0 . 012叢平方公尺。Soil water content was measured at 28 points in the catchment. biomass and productivity of the plant communities, transpiration rates of dominant plants, and plant community diversity were also measured at various points along the slope. l. in general, it seemed that soil water content increased from the top to the bottom of the catchment.,
在相似植被及坡面形狀條件下,土壤水分沿坡面向上逐漸降低;植被類型及其分佈與土壤水分的坡面分佈密切相關,對上述趨勢有減弱的作用,研究發現在偏旱的2002年生長季末,陰坡灌叢坡面坡下的土壤水分含量明顯低於坡上。Phalanx clonal plants possess stronger adaptation to stressful conditions. on the contrary, guerilla clonal plants seem to preference for warmer and wetter habitats such as swamp and meadow. in plant - spare habitats, shannon - wiener index increases with increasing importance of phalanx and guerilla clonal plants respectively
密集型克隆植物在高緯度、高海拔,寒冷、養分貧瘠生境中較豐富,如高山灌叢、草原,荒漠草原;同密集型克隆植物相比,游擊型克隆植物在低緯度、低海拔,相對溫暖、濕潤的生境中豐富度較高,如水生植被、草甸。Stipa krylovii is a major component of typical steppe vegetation. it is a perennial, thicket, xerophytic bunch grass, with a high drought resistance
克氏針茅為多年生密叢型旱生草本植物,是亞洲中部典型草原的主要建群種。Constance didn t like this dense new part of the wood ; it seemed gruesome and choking
康妮不喜歡這叢密的新植的樹林,這種地方令人覺得可怖和悶塞。Pepper plants replaced the prickly hedges of european fields ; sago - bushes, large ferns with gorgeous branches, varied the aspect of this tropical clime ; while nutmeg - trees in full foliage filled the air with a penetrating perfume
這里一叢叢的胡椒樹,代替了在歐洲農村用帶刺植物築成的籬笆,椰子樹和大棵的羊草伸展著密茂的枝葉,點綴著這熱帶地區的風景。The park has a variety of vegetation zones, ranging from dense thickets to open wooded grasslands
這個公園的植被種類很多,既有濃密的灌木叢,又有開闊樹木茂盛的草原。分享友人