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灌木

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It was shown that planted Caragana korshinkii and Hedysarum scoparium and Artemisia ordosica present a niche volume that tends to increase initially and then decline with time, and natural herbaceous annuals have a niche volume that tends to increase at all times.

结果表明:人工栽植的灌木花棒、柠条和半灌木油蒿的生态位体积值在时间尺度上呈现先增加而后减少的变化趋势;天然1年生草本各植物种则呈现持续增加的趋势。

According to all-around investigating on wild Lonicera fragrantissima in various mountainous areas of Henan Province, this article has maken clear Lonicera fragrantissima regional distribution, Total resources quantity, biologic characteristics, ecologic characteristics, natural distribution patterns, the value of development and utilization, using form, cuttage and breeding technology, the collection and protection of wild idioplasmic resources and so on. It detailedly describes wild resources distribution, biologic characteristics and ecologic characteristics. It has classified and selected a batch of superior trees according to the differences in fruits shape, fruits color, leaf shape and shape of the crown of trees. It has based on the nutrition and medication ingredient analyzed the using methods of fruits and leaves, and the way of exploitation.Through the experiment on Lonicera fragrantissima cuttage and breeding technology, transplant and domestication technology, it has provided the concrete technical measure of idioplasmic resources use and the preservation for Lonicera fragrantissima.

本文通过对河南省各山区野生郁香忍冬资源的全面调查与研究,摸清全省郁香忍冬资源的区域分布、资源总量、生物学特性、生态学特性、自然类型与经济性状、郁香忍冬的开发利用价值、利用形式、扦插育苗技术和野生种质资源收集保存与保护方法措施等,对河南省郁香忍冬野生资源的分布,生物学特性、生态学特性进行详细描述总结;根据果形、果色、叶形、冠形的差异性进行了类型划分,并选出了一批优树;根据果实、叶片中的营养与药用成分分析、果、叶利用方法研究,分析了其开发利用途径,并开展了郁香忍冬扦插育苗试验和苗木移栽训化试验,为郁香忍冬种质资源利用和保存提供了具体技术措施,其主要结果如下: 1、郁香忍冬属中性偏阳的低矮灌木树种,在灌木坡上当其处于上层空间时或纯林分布时,生长最好。

On the other hand, the grazing would also weaken the regrowth of some shrubs which had the higher content of crude protein such as Indigofera inchangensis Craib and Dalbergia hupeana Hance., so the grazing intensity to make these shrubs not to decrease even disappear in the shrubby commnuity should be carefully controled.

而对于某些粗蛋白质含量较高的灌木种,如宜昌木兰和黄檀等,放牧会影响其再生,故应严格控制其放牧强度才不致使其从灌木群落中衰减甚至消失。

Biological circulation rate of five elements in Chinese fir layer is 0.412,but they are 0.505and 0.556 in shrub and herb layers,and they show the law of herb layer>shrub layer>Chinese firlayer,this shows that understory plants have significant conservation function of soil fertility innutrient circulation,but Chinese fir tree species has larger consumption of soil fertility.

杉木层的5种元素总生物循环速率为0.412,而灌木层和草本层的5种元素总生物循环速率分别为0.505和0.556,表现出草本层〉灌木层〉杉木层的规律,说明林下植物在养分循环中具有明显的地力维护作用,而杉木对地力消耗较大。

There were 20 species in the shrub layer, the common plants being Psychotria rubra, Ilex asprella, Ficus hirt, Euodia lepta, Clerodendrum fortunatum, Litsea coreana, Ixora chinensis and Desmos chinensis.

灌木层共有20 种,以九节、梅叶冬青、五指毛桃、三叉苦、鬼灯笼、豺皮樟、龙船花、假鹰爪等灌木较为常见。

Shrubs and undershrubs in desert-oasis ecotone can be divided into four groups based on the niche breadth. Based on the niche overlaps matrix, overlap between Reaumuria soongorica and Haloxylon ammodendron is large; overlaps among Kalidium foliatum、 Suaeda physophora、Kalidium caspicum、Tamarix ramosissima、T. elongata are large; the others'overlaps are small.

阜康荒漠绿洲过渡带灌木、半灌木按生态位宽度可分成4类;根据生态位重叠矩阵,红砂和梭梭之间、囊果碱蓬、里海盐爪爪、多枝柽柳和长穗柽柳之间重叠较大,其余种重叠值均较小。

Shrubs, small trees, rarely subshrubs or perennial herbs, evergreen, monoecious or rarely dioecious.

灌木,小乔木,很少亚灌木或多年生草本,常绿,雌雄同株或很少雌雄异株的。

Trees, shrubs, or sometimes shrublets, monopodial or sympodial, usually dioecious, less often monoecious or polygamo- dioecious.

乔木,灌木,或有时小灌木,单轴或合轴分枝,通常雌雄异株,少数常为雌雄同株或杂性异株。

Any of several evergreen shrubs or trees of the genus Myrtus, especially M. communis, an aromatic shrub native to the Mediterranean region and western Asia, having pink or white flowers and blue-black berries and widely cultivated as a hedge plant.

桃金娘,番樱桃几种桃金娘属常绿灌木或树的任一种,尤指香桃木,一种原产于地中海地区和西亚的芳香族灌木,有粉色或白色的花和深蓝色的浆果,而且作为一种树篱植物而被广泛栽培

Any of several American parasitic shrubs, such as Phoradendron flavescens of eastern North America.

美洲寄生灌木任何一种美洲寄生灌木,如穗花桑寄生属,产于北美洲东部

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