中国北方生态脆弱区生态系统服务评价与权衡协同分析

IF 3.6 2区农林科学 Q2 ENVIRONMENTAL SCIENCES

Land Degradation & Development Pub Date : 2025-03-11 DOI:10.1002/ldr.5560

Lili Zhao, Mengzhu Liu, Yanjun Shen, Yan‐Jun Shen, Hongyan Liu, Fengpeng Han, Hongwei Pei

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引用次数: 0

摘要

河北省北部是保障京津冀特大城市群生态安全的重要地理屏障。由于城市化和人为造林的快速发展，国家保护区在协调生态系统服务保护和社会经济发展方面面临着重大挑战。因此，了解这些人为干扰对生态系统的影响对未来生态管理决策和生态系统优化供应至关重要。利用生态系统服务综合评估和权衡工具（InVEST）模型，对NHB中碳储量（CS）、栖息地质量（HQ）、水量（WY）、净初级生产力（NPP）和粮食产量（FP）这5个关键生态系统的长期趋势进行了评估。此外，分析了这五种ESs的权衡/协同作用，并确定了ESs束。结果表明：①1996 - 2020年，不透水地表（+122.84%）、荒地（+169.74%）、森林（+19.8%）和灌木（+49.03%）面积均有所增加；水域（- 39%）、农田（- 20.22%）和草地（- 6.14%）减少。(2) HQ、CS和WY分别下降了- 5.68%、- 10.69%和- 20.55%，其他ESs增加（NPP增加115.09%，FP增加137.14%）。森林面积的增加提高了多重ESs，但降低了WY。荒地的增加显著降低了生态环境效率，但提高了土地利用效率。(3) 5对ESs表现出协同效应，另有5对ESs表现出权衡效应。三对ESs （CS - WY、FP - WY和FP - NPP）之间的权衡性增强，而其他ESs之间的协同性增强。(4)生态脆弱丛在县域和像元层面分别减少19.44%和83.89%。正如两个级别的ES包所证明的那样，不同级别的ESs管理有不同的目标。生态系统的规划和管理应基于两个空间层次的生态系统束，为区域生态系统的可持续发展提供必要的信息支持。

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Evaluation and Tradeoff‐Synergy Analysis of Ecosystem Services in an Ecologically Vulnerable Region in the Northern China

The Northern Hebei Province (NHB) in Northern China serves as a crucial geographical barrier for ensuring the ecological security of the mega city‐group of Beijing –Tianjin‐Hebei. Due to rapid urbanization and anthropogenic afforestation, the NHB is confronted with a significant challenge in coordinating the preservation of ecosystem services (ESs) and socio‐economic development. Consequently, understanding the impacts of these human disturbances on ESs is essential for future decision‐making in ecological management and optimal provisions of ESs. The Integrated Valuation of Ecosystem Services and Trade‐offs Tools (InVEST) model was used for evaluating the long‐term trends of five key ESs in the NHB, namely carbon storage (CS), habitat quality (HQ), water yield (WY), net primary productivity (NPP) and food production (FP). Further, the trade‐offs/synergy of these five ESs were analyzed, with ESs bundles identified. The main conclusions are as follows: (1) From 1996 to 2020, the impervious surface (+122.84%), barren (+169.74%), forest (+19.8%) and shrub (+49.03%) were increased; waters (−39%), cropland (−20.22%) and grassland (−6.14%) were decreased. (2) HQ, CS, and WY decreased by −5.68%, −10.69% and − 20.55%, respectively, while the other ESs increased (NPP by 115.09%, FP by 137.14%). Increases in the forest area improved multiple ESs but reduced WY. Increases in the barren significantly reduced ESs but enhanced land use efficiency. (3) Five pairs of ESs showed synergies, and another five pairs of ESs showed trade‐offs. The trade‐offs between the three pairs of ESs (CS‐WY, FP‐WY, and FP‐NPP) were strengthened, while the synergies between the other ESs were enhanced. (4) The ecologically fragile bundle decreased by 19.44% at the county level and by 83.89% at the pixel level. As evidenced by the ES bundles at the two levels, there are distinct goals for ESs management at different levels. ESs planning and management should be based on ESs bundles at two spatial levels, which can provide the necessary information to support the sustainable development of regional ecosystems.

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来源期刊

Land Degradation & Development 农林科学-环境科学

CiteScore

7.70

自引率

8.50%

发文量

379

审稿时长

5.5 months

期刊介绍： Land Degradation & Development is an international journal which seeks to promote rational study of the recognition, monitoring, control and rehabilitation of degradation in terrestrial environments. The journal focuses on: - what land degradation is; - what causes land degradation; - the impacts of land degradation - the scale of land degradation; - the history, current status or future trends of land degradation; - avoidance, mitigation and control of land degradation; - remedial actions to rehabilitate or restore degraded land; - sustainable land management.