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Landscape ecological security response to land use change in the tidal flat reclamation zone, China

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Abstract

As coastal development becomes a national strategy in Eastern China, land use and landscape patterns have been affected by reclamation projects. In this study, taking Rudong County, China as a typical area, we analyzed land use change and its landscape ecological security responses in the tidal flat reclamation zone. The results show that land use change in the tidal flat reclamation zone is characterized by the replacement of natural tidal flat with agricultural and construction land, which has also led to a big change in landscape patterns. We built a landscape ecological security evaluation system, which consists of landscape interference degree and landscape fragile degree, and then calculated the landscape ecological security change in the tidal flat reclamation zone from 1990 to 2008 to depict the life cycle in tidal flat reclamation. Landscape ecological security exhibited a W-shaped periodicity, including the juvenile stage, growth stage, and maturation stage. Life-cycle analysis demonstrates that 37 years is required for the land use system to transform from a natural ecosystem to an artificial ecosystem in the tidal flat reclamation zone.

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Acknowledgement

This research was supported by the National Natural Science Foundation of China (no. 41230751).

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Correspondence to Lijie Pu.

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This study was funded by the National Natural Science Foundation of China (grant number 41230751). This article does not contain any studies with human participants or animals performed by any of the authors. Informed consent was obtained from all individual participants included in the study.

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Zhang, R., Pu, L., Li, J. et al. Landscape ecological security response to land use change in the tidal flat reclamation zone, China. Environ Monit Assess 188, 1 (2016). https://doi.org/10.1007/s10661-015-4999-z

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