查询词典 forests

Though harvested for algin (used in paints, foods, and makeup), kelp provides sustenance and shelter for so many forms of life that Darwin likened kelp forests to rain forests in their bounty.

虽然富含褐藻酸（用于颜料，食物，和化妆品），巨型海藻提供了众多生物种群的食物和庇护所。以至于达尔文把巨型海藻林称为是他们领域内的热带丛林。

Forests are certified by the FSC.3 However, this total represents only a small portion of our forests; clear-cutting is still a widely used practice.

然而，这只是我们森林中的一小部分，皆伐依然被广泛适用于实践。

Forest types had significant influences on the nutrient characteristics of plant foliage, litter quality and most of the soil properties, showing significant difference between the deciduous forests and the conifer forests, the two types of conifer forests dominated by pine and larch, respectively.

林型对植物叶片养分特征、叶片凋落物品质指标、土壤的大多数理化特性都有显著影响，其中，落叶阔叶林与针叶林之间的差异最为明显，优势种不同的针叶林之间也不同程度地存在差异。

Longbianensis forests (1200-1850m), zone of mid-low mountain Pinus yun-nanensis forests (1850-2100m), transition zone of Gaultheria forrestii brush-grass slope (2100-2300m), zone of mid-mountain moist evergreen broadleaf forests (2300-2600m) and zone of top mountain dwarf moss forests (over 2600m)....

这势必也引起昆虫在垂直方向上的分异。结合哀牢山森林生态系统生态站和云南亚热带山地生态垂直分异及其合理开发利用的研究工作，1982～1985年在哀牢山北段西坡的景东川洱坝至徐家坝山顶北纬24°32

Of the collected specimens, Acarina, accounting for 52.21% of total collected individuals in natural forests and 38.59% in plantation-forests respectively, was the dominated group of soil invertebrate taxa in both natural forests and planted forests.

在天然林样方中182个类群均有分布，而人工林中仅见89类群；土壤无脊椎动物个体数方面天然林中共采集土壤无脊椎动物原始个数90201头，而人工林中采集52222头。

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。

Results showed that the activity of soil enzymes was obviously different.Among the different vegetation types,the activity of soil enzymes under Tilia mandshurica forests was the highest except peroxidase,whereas that under shrub-grass was the lowest.The activity of soil urease and alkaline phosphate under shrub was higher than that under the mixed forests.Activity of soil catalase and phosphate under Larix principis-rupprechtii forests was higher than that under Pinus tabulaeformis.

结果表明：不同植被类型的土壤酶活性有显著的区别，其中除过氧化物酶外，糠椴林的土壤酶活性均属最高水平，而灌草丛所有酶活性都属最低水平；灌木丛中脲酶和碱性磷酸酶活性显著高于杂木林；华北落叶松林的磷酸酶和过氧化氢酶活性均高于油松林。

Forests of the tree layer show the highest diversity and evenness, while artificial larch forests, artificial Korean pine and Mongolian oak forests show much less diverse and less even.

杂木林的灌木层多样性最高，岳桦林的均匀度指数较高。蒙古栋林的优势草种比较明显，各多样性指数在所有样地中均达到了最低水平。

In addition, these management groups protect examples of almost all the existing natural habitats such as deciduous forests, mangrove swamps, rain forests, herbaceous swamps, cloud forests, paramos, hilillo forests and marshlands.

此外，这些团体的管理，保护的例子几乎所有现有的自然栖息地，如落叶阔叶林，红树林沼泽，雨林，草本沼泽，云雾森林，paramos，hilillo森林和沼泽地。

According to the datas from field investigation, lab experiment and slope run-off plot observation, the hydrologic functions of forest canopy, lower shrub, litters and soil layers have been studied. The canopy precipitation interception characteristic of different vegetation types have been analized. The results indicate that the broad-leaf forests and coniferous and broad-leaf mixed forests are better than phyllostachys pubescens forests and shrubs in canopy rainfall interception. And the litters water-holding ability of broad-leaf forests and mixed forests are higher than others. And the soil water-holding and infiltrating ablility of broad-leaf is good.

根据野外调查、试验及坡面径流小区的观测数据，研究了库区主要类型植被林冠层、灌草层、枯落物层和土壤层的水文功能，分析了不同降雨条件下不同类型植被的林冠截留特征，指出在林冠截留方面阔叶林、针阔混交林比楠竹林、灌丛的截留能力强；分析了库区主要类型林地枯落物层的水文功能，研究结果表明：阔叶林林地枯落物的持水能力普遍高于针叶林，而混交林枯落物的持水能力要比纯林大；林地土壤层的水文功能剖析表明：阔叶林林地土壤的持水性能较强，其林地土壤的入渗性能较好。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。