The stem flow of spruce and larch had acidulation on the soil, but the soil around the bole of spruce didn't present intensive acidity (the lowest pH of water and KCl immersion were 5.13 and 4.79, respectively), so the acidulation of stem flow is not the direct reason of spruce death.

雖然兩樹種樹干徑流對土壤均產生了酸化作用好叼爽,这里只有精品，但由于云杉樹干周圍土壤PH并沒有出現(xiàn)較強的酸性（水浸pH下降到5.13欧美黑人又粗又长精品，鹽浸pH下降到4.79）国产高潮美女在线观看免费，因此日韩.中亚.欧美，還不能認為云杉的衰退死亡與樹干徑流的酸化作用有直接關系免费国产福利小视频在线。

Since the mid-1970s, about 50 percent, or 1 million acres (400,000 hectares), of the Kenai Peninsula's adult spruce trees have succumbed to the spruce bark beetle.

自從20世紀70年代中期，大約50％美女被操网站在线播放，或100萬英畝（400亚洲精品福利在线，000公頃），奇奈半島的成年云杉樹已經(jīng)屈服于云杉樹皮甲蟲色人人国产。

Forest Service has enlisted spiders in the war against the spruce budworm, the Northeast's most devastating enemy of spruce and fir forests.

在緬因州另类在线精品视频，美國林業(yè)局的丹尼爾-詹寧斯征募蜘蛛來與云杉芽卷蛾——東北部云杉和冷杉林最兇惡的敵人——作戰(zhàn)。

Spruce Tree House is the easiest cliff dwelling to visit. The path curves down into the valley and then up to the ruin.

云杉屋是最容易參觀的崖居丝袜黄色录像，通往云杉屋的道路蜿蜒曲折而下到峽谷在线看羞羞漫画，然后向上到達這個崖居。

Here,man shan bian ye growing spruce, Picea edulis, Qinling fir, Chinese pine, larch's wave, pine, cypress Parker, Quercus, Birch, Poplar and other trees and peonies,wu jiao feng , herbaceous peony, wild lilac, boxwood, coquelicot, Ma orchids, azaleas and other shrubs more than 700 kinds of Section 50, the distribution of the Ciwujia, Cordyceps sinensis, Coptis, Banxia, Fritillaria, Asarum, rhubarb, etc. more than 100 kinds of medicinal plants, soft Lin Morchella inlaid on the floor, wild mushrooms and other edible fungi.

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Here,man shan bian ye growing spruce, Picea edulis, Qinling fir, Chinese pine, larch's wave, pine, cypress Parker, Quercus, Birch, Poplar and other trees and peonies,wu jiao feng , peony, wild lilac, boxwood, coquelicot, Ma orchids, azaleas and other shrubs more than 700 kinds of Section 50, the distribution of the Ciwujia, Cordyceps sinensis, Coptis, Banxia, Fritillaria, Asarum, rhubarb, etc.

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The enzyme activity in the chrysanthemum alp and couch grass is higher than the one in spruce forest.

總體上看人人看人人膜人人操，繡線菊茅草灌叢群落日韩中美精品中文字幕视频、茅草群落的過氧化氫酶、脲酶和蔗糖酶的酶活性均高于云杉針葉林群落国产色清；而云杉針葉林群落的過氧化氫酶活性很高曰批全过程免费视频在线观看直播，脲酶和蔗糖酶活性較低。

Through the study on the soil microorganism, soil enzyme activity in spruce forest, chrysanthemum alp and couch grass in the subalpine forests in western Sichuan, the result shows that the relativity of the soil microbial quantity is very prominent in the soil. The relation with the quantity of the soil microorganism is microphyte 〉 actinomycete 〉 fungi.

：通過研究川西亞高山云杉林作爱超A级黄色视频、繡線菊一茅草群落欧洲A片网址、高山柳群落和茅草群落等林地的土壤微生物數(shù)量和酶活性的變化，結果表明：云杉針葉林群落中的土壤微生物數(shù)量最多欧美日韩在线观看二区视频，繡線菊茅草灌叢群落次之国产哟一区二区三区视频在线看，茅草群落最少。

When the tree changes from health to weak, the main terpene compounds changed, such as the amount of 3-carene, isolimonene,β-pinene, 4-carene were significantly enhanced, and santolina triene,α-fenchene,β-myrcene,β-phellandrene were declined. It will provide a basis for Monochamus urussovi Fischer to select suitable parasitic Picea jezoensis.

魚鱗云杉樹勢由健康向衰弱轉變時三级片A片一级毛片视频，主要烯萜類化合物含量發(fā)生變化www.欧美激情69，3-蒈烯、異檸檬烯wwwcom黄色网站在线观看、β-蒎烯思思99re6精品视频免费观看、4-蒈烯国产一级啪啪视频免费观看、α-蒎烯等含量顯著上升，而神圣亞麻三烯最新在线国产、α-葑烯偷拍视频区一、β-月桂烯、β-水芹烯等含量下降一级特黄AAA片免费女，這些烯萜類化合物的變化亚洲爆乳性爱三级片，為云杉大黑天牛定位選擇適宜寄生的魚鱗云杉提供了依據(jù)。

After esterification by BTCA Acoustic properties of picea sitchensis Carr.andChamaecyparis Iawsoniana ParI were changed,(treated/untreated ratio):Loss tangentdecreased 10～2424% in the tangential ofpicea sitchensis Carr,9～17% and 10～22% in thetangential and radial directions of Chamaecyparis Iawsoniana ParI.,respectively.Specificdynamic Young's modulesand acoustic radiation coefficient of two wood changedunremarkably,in the tangential direction with increment of ASE.Specific dynamic Young'smodulesincreased 3～9% in the radial direction.tgδ/E of decreased 9～27% intangential of picea sitchensis Carr,7～14% and 10～26% in the tangential and radial directions ofChamaecyparis Iawsoniana ParI.,respectively.

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Hondo spruce：旱谷魚鱗云杉

日本魚鱗云杉 Yeso spruce;Yeddo spruce | 旱谷魚鱗云杉 Hondo spruce | 紅皮云杉 Koyama's spruce

Serbian spruce：塞爾維亞云杉

倒卵(果)云杉 Siberian spruce | 塞爾維亞云杉 Serbian spruce | 東方云杉 Oriental spruce;eastern spruce

European spruce：歐洲云杉

按>分類,云杉類樹種(Sprce)為松科(pinaceae)云杉屬(picea),產于地球北半球共約40種,中國最好音板用樹種是麗江云杉(P.Likiangensis),世界著名的樂器用云杉樹種有:歐洲云杉(European Spruce)麗江云杉(Likiang S.)西加云杉(Sitk

black spruce;eastern Canadian spruce;swamp black spruce：黑云杉

紅皮云杉 Koyama's spruce | 黑云杉 black spruce;eastern Canadian spruce;swamp black spruce | 灌木云杉 Japanese bush spruce

tideland spruce：西加云杉

雪嶺云杉 Schrenk spruce;Schrenk's spruce | 西加云杉 Sitka spruce;tideland spruce;silver spruce;Menzies spruce;coast | 長葉云杉 Himalayan spruce;Indian spruce

Picea abies：挪威云杉

本文報道了挪威云杉(Picea abies)和雜種落葉松(Larix deciduas× L. kaempferi)人工授粉種子誘導胚性細胞系及植株的再生.挪威云杉在德國Saxon Ore 山區(qū)被選為對空氣污染有抗性的樹種并種植在位于Waldsieversdorf的林木遺傳育種研究所的種植園中.對挪威云杉測試了幾個不同親本組合的種子形成胚性細胞系的能力.這些云杉種子于

Yeso spruce;Yeddo spruce：日本魚鱗云杉

薩哈林云杉 Sachalin spruce;Hokkaido spruce | 日本魚鱗云杉 Yeso spruce;Yeddo spruce | 旱谷魚鱗云杉 Hondo spruce

Sitka spruce;tideland spruce;silver spruce;Menzies spruce;coast：西加云杉

雪嶺云杉 Schrenk spruce;Schrenk's spruce | 西加云杉 Sitka spruce;tideland spruce;silver spruce;Menzies spruce;coast | 長葉云杉 Himalayan spruce;Indian spruce

white spruce;single spruce;Canadian spruce;Quebec spruce;Brunswick：白云杉

歐洲云杉 common spruce;European spruce;Norway spruce;Baltic Whitewood;Finnish | 白云杉 white spruce;single spruce;Canadian spruce;Quebec spruce;Brunswick | 薩哈林云杉 Sachalin spruce;Hokkaido spruce

Colorado blue spruce;Parry's spruce：北美云杉

日本云杉 tiger's tail spruce | 北美云杉 Colorado blue spruce;Parry's spruce | 紅云杉 red spruce;Canadian red spruce