Creatures are scarce because few can eat conifer needles.

這里缺乏生物的原因是很少有生物以針葉為食

The main cause of pine caterpillar calamity is simple structure of pure stand conifer forest.

林種單一午夜毛a片，多以人工針葉純林為主是我國松毛蟲發(fā)生的主要原因。

Subalpine conifer forest is distinguished by high percentage of Picea pollen.

亞高山針葉林帶的孢粉組合中出現(xiàn)數(shù)量眾多的云杉屬花粉99精品这里只有精品。

One of them--the larch--is an exception. It is a needle-leaf conifer that does lose all its leaves every year.

但其中有一個例外国产熟女精品视频500，即落葉松，每年其樹葉全部要脫落一次日韩福利短片在线观看视频免费。

A plant, such as a cycad or conifer, whose seeds are not enclosed within an ovary.

裸子植物一種種子沒有被包入子房的植物国产乱伦黄片，比如''。

From 4 000 to 1 200 a BP the vegetation of the upper mountain zones (between 1 300 ～ 1 600 m) of the Daiyun Mountain Range was a subtropical mixed conifer-hardwood forest dominated by Cryptomeria, Castanopsis, Quercus, and Tsuga.

在距今4 000～1 200年前期間性淫国产真人高清无码一级黄色网站，戴云山脈上部(海拔1 300～1 600 m)的植被為亞熱帶針闊葉混交類型正在播放国产精品，優(yōu)勢種屬包括Cryptomeria、Castanopsis日韩毛片视频网站中文字幕、Quercus和Tsuga等欧美中文字幕日韩综合四季。

Research on the ecological restoration area in Wuxi country in the reservoir area of three gorges, which considering China Armand pine and mason pine as the dominant plant of the mixed broadleaf-conifer forest including fir-mason pine of mixed forest, cypress-mason pine of mixed forest and pure filbert forest of the soil.

對三峽庫區(qū)巫溪縣生態(tài)修復(fù)區(qū)以華山松為優(yōu)勢樹種的針闊混交林、馬尾松為主的針闊混交林亚洲特黄av、杉木-馬尾松為主的混交林人人扣B人人干B视频免费播放、柏樹-馬尾松混交林、榛子純林與對照地土壤的化學(xué)性質(zhì)進(jìn)行了對比研究高清无码视频免费观看。

Hame T A new methodology for the estimation of biomass of conifer dominated boreal forest using NOAA AVHRR data International Journal of Remote Sensing , 1997,15

戴小華%余世孝遙感技術(shù)支持下的植被生產(chǎn)力與生物量研究進(jìn)展 10.3321/j.issn：1000-4890.2004.04.020 生態(tài)學(xué)雜志国产精品福利一区， 2004，04

Australian conifer bearing two-inch seeds tasting like roasted chestnuts; among the aborigines the tree is hereditary property protected by law.

澳洲針葉樹黄色网址免，種子長達(dá)兩英寸国产黄色网站在现免费观看，味道類似于烤栗子；土著把此樹作為世襲的財產(chǎn)用法律加以保護(hù)性爱视频A级。

When big, moderate rain and rainstorm, the Y value size order is always the masson pine pinus elliottii mixed forest＜the wetland pinery＜the wetland pinery＜the locust tree forest＜the locust tree pinus elliottii mixed forest＜the thin forest, to the soil protection effect, the conifer forest is better than broad leaved forest. For annual rainfall erosion, the Y value ordered: Locust tree forest＜wetland pinery＜locust tree pinus elliottii mixed forest＜wetland pinery＜masson pine pinus elliottii mixed forest＜thin forest.

大欧美精品强奸视频、中雨和暴雨時，Y值的大小順序都是馬尾松濕地松混交林＜濕地松林＜濕地松林＜刺槐林＜刺槐濕地松混交林＜疏林亚洲av试看，對土壤保護(hù)效果針葉林優(yōu)于闊葉林H片合集；對于年降雨侵蝕，Y值的大小順序是：刺槐林＜濕地松林＜刺槐濕地松混交林＜濕地松林＜馬尾松濕地松混交林＜疏林国产农村乱人伦精品视频。