演替

Current circumstances and mechanisms were reviewed in detail about application of the gypsum in acid soil and alkali soil .

简述了脱离石膏的工业利用，详述了脱离石膏对酸性和碱性土壤改良的现状和机理，并展望了脱硫石膏促进滩涂土植被演替的前景。

The effects of environmental factors on the growth and associated aspects of Red tide alga are reviewed in this paper.

本文从水体富营养、微量元素等五个方面论述了环境因子对赤潮藻类增殖及演替等相关特性的影响。

The results demonstrate that successive changes of vegetation and avifauna distribution gradually take place along with the soil salinity and spatially present preferable distributing orderliness with the river mouth extension.

研究结果表明，黄河三角洲湿地植被群落与动物的种群随着土壤盐分变化逐渐发生演替变化，而随着河口淤积延伸在空间上呈现较好的分布规律。

Each of the world's major vegetation climaxes is equivalent to a biome.

地球上每个主要植物演替颠峰皆等同於一个生物群落区。

In the process of secondary succession from conifer-broadleaf forest to broadleaf forest, species richness fluctuated remarkably.

在针阔混交林向阔叶林演替过程中，物种丰富度指数表现为较大的波动性。

13C of organic matter in pedogenic calcrete is widely used in the reconstruction of the past ecological environment.

土壤钙结岩中有机质的δ13C被广泛地应用于重建过去的生态环境；土壤碳酸盐包含的C、O稳定同位素组成能够指示土壤形成的气候，同时也是研究植被演替、古气候变化、水文条件变化的重要手段。

A preliminary study on the decomposition and insect community succession of pig carcase was carried out in Hangzhou District.

对杭州地区猪尸体的腐败过程及尸体上昆虫群落的演替规律，进行了初步观察和研究。

Exemplified by the Stephanian Cevennes coal basin on the Central Plateau in France, this paper discusses the coal-forming environments in the intermontane faulted basin.

本文以法国中央高原斯蒂芬期（C3）塞文断陷聚煤盆地为例，据其不同阶段岩相古地理展布特征与早期构造在空间上的配置关系，指出了成煤环境在时间上的演替这一动态过程与盆地的构造活动性之间的内在联系。

M 3/hm 2. There are remarkable differences among different succession community of the fallen tree and snag in terms of their volume and decay degree and decay degree of the fallen. The distribution trend generally abides by the rule of increasing with the succession. The decay degree obeys normal distribution.

通过研究表明：长江上游暗针叶林生态系统的CWD总量是 10 1 74m3/hm2 ，它的组成体———倒木和站杆在不同演替阶段的容积和腐烂程度是明显不同的，随演替递进，程度加大，分布呈正态分布。

A sere on uncovered rock is a litho sere .

在光秃岩石上的演替系列是岩生演替系列。

It goes back to what I told you...

现在回到我告诉过你的。。。

With a supporter in Mr Charest and an admirer in Mr Dumont, Mr Harper may be encouraged to call an election himself.

由于在沙雷那边有个支持者，杜蒙那边有个崇拜者，鼓励哈珀为自己举行一次选举。