查询词典 secondary succession

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。

In growing season we studied the mineral nutrition dynamics ofthe broadleaved korean pine forest in the climax and secondary birchforest in succession stage,with chemical and biochemical analysismechods.

本文以化学和生物化学分析方法做为分子生态学化学生态研究的基本方法，在生长季中，对长白山北坡原始阔叶红松林及其次生杨桦林进行了矿质营养的动态研究。

Along with the Korean pine and broad-leaved climax forest succession (a 20 yr Populus davidiana and Betula platyphylla secondary forest, an 80 yr Populus davidiana and Betula platyphylla secondary forest and the Korean pine and broad-leaved climax forest), the peak production of fine root is in early summer and autumn.

在原始阔叶红松林的演替过程中（白桦山杨幼林—白桦山杨成熟林—阔叶红松林），细根生长的季节变化特征是生长顶峰出现在初夏和秋季。

Different shrub tree were differente in proper soil nutrients of plant ecesis and improvement of soil nutrients. Shrub community was better than herb community in soil nutrient. The process of vegetation secondary succession has an improved trend of soil nutrient.

不同灌木种群所需的适宜土壤养分条件和对土壤养分的改善效应存在较大差异；植被次生演替灌丛阶段的土壤养分明显优于草本阶段，植被次生演替过程土壤养分呈逐步改善的趋势。

Different shrub tree were differente in proper soil nutrients of plant ecesis and improvement of soil nutrients. Shruh community was better than herb community in soil nutrient. The process of vegetation secondary succession has an improved trend of soil nutrient.

不同灌木种群所需的适宜土培养分条件和对土壤养分改善效应存在较大差异；植被次生演替灌丛阶段的土壤养分明显优于草本阶段，植被次生演替过程土壤养分呈逐步改善的趋势。

Based on this background, the interactions between plant secondary succession and arbuscular mycorrhizal fungi in heathland ecosystems were explored, through spot investigation and laboratory stimulation. Results indicates a close relationship between the inigenous AMF and plant diversity.

本项目以此为立题背景，通过实地调查、室内模拟两个途径，研究草山草坡生态系统中植物次生演替与丛枝菌根真菌的多样性之间的互作关系。

For forest, grassland and river ecosystems, phreatophyte should be applied to, promoting the primary succession of the ecosystem. For farm and urban ecosystems, the main crops and pollution-resisting ornamental plants should be selected for the purpose of agricultural production, landscapes construction and bioremediation so as to control the speed and direction of secondary succession of these ecosystems.

对于森林、草地、江河等自然生态系统，植被选择应以原生种类为主，以促进生态系统进行原生演替；而农田、城市绿地生态系统，植被恢复应以生产生活、景观营造、生物修复为目的，宜选择当地主要优势农作物、观赏性好、抗污染的植物，以控制生态系统次生演替的方向和速度。

Most herbivores feed in secondary forests because pioneer species in secondary forests do have little or no mechanical or chemical protection against herbivores and many early and late seral tree species in secondary forests produce edible fruits in large quantities. Environment and fire have some effects on secondary forest succession. In early succession, relatively more biomass is allocated to resource acquiring tissues and in later stages more is allocated towards structural materials.

大多数食草动物喜欢在次生林中取食，因为次生林中的先锋树种很少或没有机械和化学保护和林内许多树种产生大量可食用的果实；环境和火对次生林演替有一定影响；在早期的演替过程中，更多的生物量分配到资源需求旺盛的组织，在演替晚期阶段，更多的生物量则分配到结构组织中。

The results showed that the content of soil organic matter, total nitrogen and total phosphorus increased in different secondary succession stages from scrub grass to evergreen broad-leaved forests.

结果表明，从灌草丛到常绿阔叶林的不同演替系列群落土壤的有机质、总N、总P含量总体呈逐渐升高的趋势。

Stages in a secondary succession, which appear when the biotic components of a primary sere are destroyed, e.g. by fire, are called subseres; seres in microhabitats are called microseres.

次级演替群体出现于初级演替群体的生物组分发生一定程度的破坏后，例如：火灾造成次生演替系列；微生态改变造成微演替系列。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。