An Analysis on Multivariate Correlations Between Wetland Degradation Characteristics and Its Driving Factors in Tianjin City

MENG Weiqing; MO Xunqiang; LI Hongyuan; HE Mengxuan

doi:10.13961/j.cnki.stbctb.2016.04.056

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An Analysis on Multivariate Correlations Between Wetland Degradation Characteristics and Its Driving Factors in Tianjin City

- An Analysis on Multivariate Correlations Between Wetland Degradation Characteristics and Its Driving Factors in Tianjin City
- Bulletin of Soiland Water Conservation Vol. 36, Issue 4, Pages: 326-332(2016)
- 作者机构：
  
  1. 天津师范大学城市与环境科学学院,天津,300387
  2. 南开大学环境科学与工程学院,天津,300071
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2016.04.056
  CLC：
- Published：2016
- 稿件说明：
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MENG Weiqing, MO Xunqiang, LI Hongyuan, et al. An Analysis on Multivariate Correlations Between Wetland Degradation Characteristics and Its Driving Factors in Tianjin City[J]. Bulletin of Soiland Water Conservation, 2016, 36(4): 326-332.
DOI：

MENG Weiqing, MO Xunqiang, LI Hongyuan, et al. An Analysis on Multivariate Correlations Between Wetland Degradation Characteristics and Its Driving Factors in Tianjin City[J]. Bulletin of Soiland Water Conservation, 2016, 36(4): 326-332. DOI： 10.13961/j.cnki.stbctb.2016.04.056.

摘要

[目的] 以天津市为例，分析缺水型特大城市湿地退化的各种因素与湿地退化指标之间的相关关系，筛选出导致湿地退化的关键因素，为制定湿地保护和恢复提供科学依据。[方法] 采用单因子相关分析、多元线性逐步回归模型和典型相关分析方法。[结果] 人口的增加和城市经济的快速发展是导致湿地减少的主要驱动因素；水资源量的减少导致湿地补水不足是直接的自然因素。农业人口比例和人均水资源量是近海及海岸湿地面积的主要影响因素。污水排放量和降雨量是湿地水质的主要影响因素。人口密度是湿地生物多样性的主要影响因素。[结论] 水资源短缺、围垦和建设占用是造成天津地区湿地退化的主要原因，水产养殖、水稻种植和人工硬质护岸改造是自然湿地向人工湿地转变的主要原因，污水排放和农业化肥的使用是造成湿地功能退化的主要原因。

Abstract

[Objective] Degradation characteristics of urban wetland of Tianjin City and its driving factors were recognized and their correlation were analyzed to impulse the protection and recovery of wetlands. [Methods] Single factor correlation analysis

multiple stepwise linear regression and typical correlation analysis were used. [Results] The results showed that the increase of population and the rapid development of urban economy were the main artificial factors of wetland degradation

the reduction of water resources resulted from them directly caused wetland degradation. Agricultural population and per capita water resources were main impact factors of coastal wetland. Annual rainfall and sewage were the main influence factors of wetland water quality. Population density was the main impact factors of the wetland biodiversity. [Conclusion] Both natural factors and artificial factors affected the health of wetland. Water shortages

reclamation and construction projects were the main reasons of wetlands degradation in Tianjin City; Meanwhile

aquaculture

rice cultivation and artificial construction were the main factors of transformation of natural wetland to artificial wetland; Sewage and fertilizer use were the main factors for the degradation of wetland function.

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