J Integr Plant Biol. ›› 2003, Vol. 45 ›› Issue (10): 1157-1165.

• Research Articles • Previous Articles     Next Articles

Ecological Regionalization of Suitable Trees, Shrubs and Herbages for Vegetation Restoration in the Farming-Pastoral Zone of Northern China

KANG Mu-Yi, DONG Shi-Kui, HUANG Xiao-Xia, XIONG Min, CHEN Hai, ZHANG Xin-Shi   

Abstract:

To provide materials for the selection of plant species for vegetation restoration and re-construction in the farming-pastoral zone in northern China, where the eco-environment has been al-ready deteriorated by over-farming and over-grazing, the suitable trees, shrubs and herbages were examined, screened and identified under the guidance of four principles of taking precedence for ecological conservation, being beneficial to economic production, matching species (trees, shrubs and herbages) with the site, and giving consideration to the integrity of local administrative division. According to the key ecological factors that determine species growth and distribution in the zone, i.e., the lowest daily mean temperature in a year, annual accumulated temperature, and water regimes represented by the moist index, the ratio between annual rainfall and accumulated temperature (>0 ℃), as well as the soil type influenced by climate, surface substances and landform, the farming-pastoral zone was regionalized into seven parts: (Ⅰ) Western Songliao Plain and Da Hinggan Mountain Region; (Ⅱ) Upper Liaohe River Sandy Region; (Ⅲ) Mid-Eastern Nei Mongol Plateau and Northwestern Heibei Mountain Region; (Ⅳ) Luliang, Taihang and Yanshan Mountain Region; (Ⅴ) Ordos Plateau Sandy Region; (Ⅵ) Northern Shaanxi to Eastern Gansu Loess Plateau Region; and (Ⅶ) Mid Gansu to Eastern Qinghai Plateau Loess Region. And the suitable trees, shrubs and herbages for each region were selected and tabularly introduced in detail.

北方农牧交错带植被重建中适宜乔、灌、草种的生态区划
康慕谊 董世魁 黄晓霞 熊 敏 陈 海 张新时
(北京师范大学中国生态资产评估研究中心,北京师范大学环境演变与自然灾害教育部重点实验室, 北京 100875)


摘要: 因遭受滥垦及过度放牧破坏的中国北方农牧交错带亟待进行植被的恢复和重建。本文从为该区域植被的恢复与重建提供植物物种上的支持出发,对适宜该区域生长与分布的乔、灌、草种进行了生态区划。生态区划的原则概括为4条:生态保育优先、有利生产发展、适地适树适草以及参考行政区划边界。在该原则指导下,依据限定农牧交错带植物生长和分布的主要生态因子:年最低日均温、年大于0 ℃积温、湿润度指数(年降水量与年大于0 ℃积温之比)、反映区域地表组成物质、地形及气候特征影响的土壤类型等,将农牧交错带划分为7个不同的生态区域,依次为:Ⅰ. 松辽平原西部及大兴安岭山地区, Ⅱ. 辽河上游风沙区, Ⅲ. 蒙古高原中、东部及冀西北山地区, Ⅳ. 吕梁山、太行山、燕山山地区, Ⅴ. 鄂尔多斯高原风沙区, Ⅵ.陕北、陇东黄土高原区, Ⅶ. 陇中及青海高原东部黄土区。在上述分区的基础上,对以往文献报道中出现的适宜该区域生长和分布的乔、灌、草,包括乡土种和人工栽培或引种的外来种,按其生态习性分别进行了细致的甄别选择,并在文中择其精要予以列出。
关键词: 农牧交错带;生态区划;植被恢复与重建的适宜种类;中国北方

Key words: farming-pastoral zone, ecological regionalization, suitable species for vegetation restoration, northern China

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