亚高山针叶林

川西亚高山针叶林土壤的硝化和反硝化作用研究在马兰黄土中，影响三氮转化的主要作用有硝化作用和反硝化作用。

Nitrification and Denitrification in Subalpine Coniferous Forest Soil of Western Sichuan , China ; In Malan Loess , the three nitrogen transform by nitrification and denitrification .

中国西部亚高山针叶林资源查询系统

A Query System of Subalpine Coniferous Forest Resources in West China

亚高山针叶林土壤有机层有效氮动态及其对外源C、N增加的响应

Dynamics on soil available nitrogen in organic layer and its responses to carbon and nitrogen supply in two subalpine coniferous forests of western Sichuan

土壤反硝化速率均维持在一个较低的水平，川西亚高山针叶林不同恢复阶段土壤的反硝化速率差异不显著（P0.05）。

Denitrification rates in all the forest soils were low and forest restoration stage had no significant effect on denitrification rates ( One-way ANOVA , P0.05 ) . Denitrification rates were not closely related to water content , the pH value , organic matter and total nitrogen .

通过80片亚高山针叶林土壤有机物层切片的显微观察和统计，并结合微生物（CFU）的培养观察，对亚高山针叶林土壤有机物分解过程中土壤动物和土壤微生物的作用进行了研究。

Eighty thin-sections of the subalpine coniferous organic layer were used for observing the effect of microorganisms and animals on the needle decomposition . The distribution patterns of fungal spores and bacteria along the upper 8 cm soil profile of the forest floor were counted using the plate culture method .

川西亚高山针叶林土壤生态过程的研究

Advances in Soil Ecosystem Process of Subalpine Forest in Western Sichuan

川西亚高山针叶林土壤颗粒的分形特征

Fractal characteristics of soil particles under subalpine coniferous forests in Western Sichuan

亚高山针叶林群落系统的生态学过程和持续性机制

Ecological Processes and Sustainable Mechanisms of the Subalpine Coniferous Forests

中国西部亚高山针叶林凋落物的生态功能

The Ecological Function of Litters in Subalpine Coniferous Forests in Western China

亚高山针叶林人工恢复的生态学过程研究

Researches on ecological restoration process of Subalpine Coniferous Plantations in Western sichuan , China

川西亚高山针叶林人工恢复过程的土壤性质变化

Changes of soil properties during artificial recovery of subalpine coniferous forests in Western Sichuan

川西亚高山针叶林生产力和光能利用效率研究现状

Research of Conifer Forest Productivity and Light Use Efficiency in Subalpine Region of Western Sichuan

然而，亚高山针叶林的植物多样性变化对土壤微生物影响还未见报道。

However , Changes in plant diversity how to influence soil microorganism in subalpine coniferous forests is still uninvestigated .

长江上游亚高山针叶林土壤水分入渗性能及影响因素

Water Infiltration and the Influential Factors of Soils Under Subalpine Coniferous Forests in the Upper Reaches of the Yangtze River

结果表明群落多样性指数和均匀性指数最大的都是位于中海拔（1800-2500m）受到中度干扰的次生灌丛、针阔混交林和亚高山针叶林。

The results showed that the diversity index and the evenness index were largest in the mid-altitude where there was mid-disturbance .

与反硝化作用相比，硝化作用对亚高山针叶林土壤氮损失的影响可能更大。

Results from this research suggest that gross nitrification is more responsible for the nitrogen loss from soils as compared with denitrification .

中国西南地区的亚高山针叶林是该区天然林保护工程的主体，是重要的生态屏障。

Subalpine coniferous forests are a principal part of Natural Protection Project in southwestern China and important ecological screen to the upper reaches of the Yangtze River .

分析了云南西北部碧塔海自然保护区的亚高山针叶林林窗大小对林窗植被和更新的影响。

Effects of gap size on regeneration of subalpine coniferous forests in northwest Yunnan , and species diversity , structure , distribution of the gap vegetation were analyzed .

同时，研究表明该区亚高山针叶林有效更新的林窗阈值面积大约为75m2.图4表3参22

Adapt to shade environment , and the threshold gap size keeping on regeneration may be about 75 m 2 in the subalpine coniferous forests . Fig 4 , Tab 3 , Ref 22

本文归纳分析了中国西部亚高山针叶林主要类型及不同恢复演替阶段的枯枝落叶贮量、持水性能及其养分归还量和养分利用效率等凋落物的生态功能。

The ecological functions of litter of different succession stages of the main subalpine coniferous forests in western China were systematically analyzed , including the amount , water holding capacity , nutrients return and utilization efficiencies .

中国西部亚高山针叶林由于其特有的地理位置和重要的生态经济价值，作为长江中上游生态屏障对平衡长江流域水分有着积极的意义。

For its own geographic position and important eco economy value , it accentuates the positive significance of the subalpine coniferous forests in western China as the ecological barrier of the middle and upper reaches of the Yangtze River .

有关亚高山针叶林枯枝落叶层的水源涵养和养分归还研究已成为该区域亚高山针叶林生态功能研究的重要问题和热点，对植被恢复与重建具有十分重要的指导作用。

Therefore , the research in relate to the function of water supply conservation and nutrients return of litter layer of subalpine coniferous forests has become the important issues and hotpots in this area , and this can well guide the vegetation restoration and rehabilitation .

本文研究了长江上游支流大渡河的水源地&贡嘎山东坡亚高山针叶林分布区土壤水分入渗性能及其影响因素，结果表明：研究区土壤稳渗率均较大；

Water infiltration property and the influential factors of soils under subalpine coniferous forests on east slope of the Gongga Mountain , which is the water source of the Dadu River and lies in the Upper Reaches of the Yangtze River , were studied in this paper .

同时，该系统也可查询任意一个或多个省级行政区或县级行政区的属种分布及其组合情况，从而使得行政区和亚高山针叶林属、种的双向查询变得非常简单。

The system allows one query the distribution status of all genera or species and their combination situation at any one or more provincial or county levels in terms of administration district , which makes it easy to query genus-species database bi-directionally between administration area and subalpine coniferous forest .

亚高山退化针叶林生态系统的非平衡性探讨及其研究动态

Exploration of Non-equilibrium of Subalpine Conifer Forests Ecosystem in the Western China

川西亚高山人工针叶林枯枝落叶及苔藓层的持水性能

Water holding capacity of moss and litter layers of Subalpine Coniferous Plantations in Western sichuan , China

林线中草本植物组成丰富，其多样性高于亚高山草甸和山地针叶林。

In timberline , herbaceous plants were rich , and the diversity was higher than that in coniferous forest and sub alpine meadow zones .