黄土高原潜在自然植被空间格局及其生境适宜性

韩庆功; 彭守璋

doi:10.13870/j.cnki.stbcxb.2021.05.026

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黄土高原潜在自然植被空间格局及其生境适宜性

更新时间：2025-03-12

- 黄土高原潜在自然植被空间格局及其生境适宜性
- Spatial Pattern and Habitat Suitability of Potential Natural Vegetation in the Loess Plateau
- 水土保持学报 2021年35卷第5期页码：188-193
- 作者机构：
  
  1. 西北农林科技大学资源环境学院, 陕西杨凌,712100
  2. 西北农林科技大学黄土高原土壤侵蚀与旱地农业国家重点实验室, 陕西杨凌,712100
- 作者简介：
  
  [ "韩庆功(1996-),男,在读硕士研究生,主要从事植被生态恢复与环境保护研究。E-mail:qingdaohqg@163.com" ]
- 基金信息：
  
  国家自然科学基金项目（42077451）中国工程院重大战略咨询研究项目（2020NXZD7）宁夏回族自治区重点研发计划项目（2020BCF01001）
- DOI：10.13870/j.cnki.stbcxb.2021.05.026
  中图分类号： S157.5
- 纸质出版：2021
- 稿件说明：
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韩庆功, 彭守璋. 黄土高原潜在自然植被空间格局及其生境适宜性[J]. 水土保持学报, 2021,35(5):188-193.

HAN Qinggong, PENG Shouzhang. Spatial Pattern and Habitat Suitability of Potential Natural Vegetation in the Loess Plateau[J]. 2021, 35(5): 188-193.
韩庆功, 彭守璋. 黄土高原潜在自然植被空间格局及其生境适宜性[J]. 水土保持学报, 2021,35(5):188-193. DOI： 10.13870/j.cnki.stbcxb.2021.05.026.

HAN Qinggong, PENG Shouzhang. Spatial Pattern and Habitat Suitability of Potential Natural Vegetation in the Loess Plateau[J]. 2021, 35(5): 188-193. DOI： 10.13870/j.cnki.stbcxb.2021.05.026.

摘要

植被生态系统的恢复越来越多地受到全球各界关注，潜在自然植被（potential natural vegetation，PNV）和生境适宜性概念应纳入植被规划，作为植被恢复的参考依据。基于高空间分辨率气候数据，使用动态植被模型（LPJ-GUESS），揭示黄土高原2001—2020年PNV空间格局及其生境适宜性的动态演变，并界定了植被优先恢复区。结果表明：黄土高原的PNV以草地和森林为主，潜在草地主要集中在北部、西北部地区（约占73.23%），潜在森林主要分布在南部地区（约占26.16%），极少的裸地主要分布在西部高海拔山区；在潜在森林中，温带落叶阔叶林、寒温性常绿针叶林、温带常绿针叶林占比分别为22.28%，3.88%，0.01%；随着气候变化的推进，潜在森林面积有所下降，而潜在草地面积有些许增加。PNV的生境适宜性呈现西北低、南部及东南高的分布，其中，分布在黄土高原南部平原地带的潜在温带落叶阔叶林其生境适宜性较高，而分布在北部及东北部的潜在草地其生境适宜性较低；并且，对于每种PNV类型，其最高生境适宜性所占据的地理空间及优先恢复区有较大差异。研究结果可为黄土高原植被恢复重建提供科学依据。

Abstract

Global concern about the restoration and reconstruction of vegetation ecosystems has increased

thus the concepts of potential natural vegetation (PNV) and habitat suitability should be integrated into revegetation programs to achieve sustainable ecosystems. Based on high spatial resolution climate data

this study revealed the dynamic evolution of spatial pattern and habitat suitability of PNV during 2001-2020 in the Loess Plateau (LP) using a dynamic vegetation model (LPJ-GUESS)

and identified the vegetation priority restoration area. The results showed that the main PNV in the LP were grassland and forest

and potential grassland was mainly distrubuted in the north and northwest regions (about 73.23% of LP area)

while potential forest was mainly located in the south (about 26.16% of LP area)

and very few barren ground was mainly distributed in the western high-altitude mountains. Among the potential forests

temperate deciduous broad-leaved trees

cold temperate evergreen coniferous forest and temperate evergreen coniferous trees accounted for about 22.28%

3.88% and 0.01%

respectively. With the advance of climate change

the area of potential forest had decreased

while the area of potential grassland hand increased slightly. The habitat suitability of PNV was low in the northwest

high in the south and southeast. The potential temperate deciduous broad-leaved trees distributed in the southern plain of the LP had higher habitat suitability

while the potential grassland distributed in the northern and northeastern LP had lower habitat suitability. For each kind of PNV

the geographical space and priority restoration area occupied by its highest habitat suitability were significantly different. These reaserch results could provide a scientific basis for vegetation restoration and reconstruction in the Loess Plateau.

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references

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