The evaluation of wetland reconstruction with nature-based solutions for eco-economic sustainable development

被引：7

作者：

Sun, Jinfang ^{[1
]}

Yuan, Xingzhong ^{[2
]}

Liu, Guodong ^{[1
]}

Ren, Rongrong ^{[3
]}

机构：

[1] Qufu Normal Univ, Coll Geog & Tourism, Rizhao 276826, Peoples R China

[2] Chongqing Univ, Fac Architecture & Urban Planning, Chongqing 400030, Peoples R China

[3] Chongqing Haitian Forestry Sci & Technol Ltd Co, Chongqing 405400, Peoples R China

来源：

ECOLOGICAL INDICATORS | 2024年 / 160卷

关键词：

Emergy/exergy; Nature -based solutions; Eco-economic system; Wetland reconstruction; Water -level fluctuation zone; Three Gorges Reservoir; 3 GORGES RESERVOIR; EMERGY EVALUATION; ECOSYSTEM SERVICES; SYSTEM; ORGANIZATION;

D O I：

10.1016/j.ecolind.2024.111936

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

Nature-based solutions (NBS) are effective approaches for solving ecological and economic problems related to wetland reconstruction, while emergy and exergy are well suited for evaluating reconstructed eco-economic systems. In this paper, we executed a wetland reconstruction project involving a mulberry-fir woodland and dike-pond complex (MFWDPC) with NBS in the water-level fluctuation zone of the Three Gorges Reservoir (TGR), China. We evaluated the coupling mode of this eco-economic system by using emergy and exergy theories. After wetland reconstruction, the emergy density that entered the MFWDPC was 1.48E + 18 sej yr- 1 hm-2, in which the naturally renewable flow accounted for 96.31 % of the emergy inflows, and the emergy sustainability index (ESI) for the eco-economic system was 708.88. The exergy and specific exergy were 2.41E + 14 j yr- 1 and 2.08E + 08 j yr- 1 kg- 1, respectively, and the emergy/exergy ratio was 1.55E + 03 for the MFWDPC. In addition, mulberry trees with strong flooding tolerance provided good economic benefits due to the use of these plants in reconstructed eco-economic systems. Our study of NBS for wetland reconstruction helps in understanding the synergistic symbiosis between ecosystems and economic systems, thereby promoting the reconstruction of degraded wetlands in China and other regions.

引用

页数：11

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