In:
PLOS ONE, Public Library of Science (PLoS), Vol. 16, No. 11 ( 2021-11-3), p. e0259516-
Abstract:
Coastal land reclamation (CLR), particularly port reclamation, is a common approach to alleviating land shortages. However, the spatial extent, percentages, and processes of these newly reclaimed ports are largely unknown. The Bohai Sea is the most concentrated area of port reclamation worldwide. Thus, this study addresses the changes in the different coastline types and port reclamation process in the area. The reclamation area of the 13 ports in the Bohai Sea in 2002–2018 was 2,300 km 2 , which decreased the area of the sea by 3%. The natural coastline length in Tianjin decreased by 47.5 km, whereas the artificial coastline length increased by 46.6 km. Based on the port boundary, however, only 26.3% of the reclaimed areas have been used for port construction, which concentrates in the Tianjin and Tangshan ports. The ratio of built-up area within the ports is only 32.5%, and approximately 48.3% of the reclaimed areas have no construction projects. The port land reclamation in the Bohai Sea has been undergoing periods of acceleration, peak, deceleration, and stagnation since 2002. Hence, future port reclamation should not be totally prohibited, and fine management should be conducted based on the optimization of the reclaimed port area. The innovation of this research is its analysis of the port internal land use pattern, the percentage of built-up area in the ports, and the sustainability of port reclamation policies. The findings have vital implications for scientifically regulating the spatial pattern and exploring the utility of port reclamation.
Type of Medium:
Online Resource
ISSN:
1932-6203
DOI:
10.1371/journal.pone.0259516
DOI:
10.1371/journal.pone.0259516.g001
DOI:
10.1371/journal.pone.0259516.g002
DOI:
10.1371/journal.pone.0259516.g003
DOI:
10.1371/journal.pone.0259516.g004
DOI:
10.1371/journal.pone.0259516.g005
DOI:
10.1371/journal.pone.0259516.t001
DOI:
10.1371/journal.pone.0259516.t002
DOI:
10.1371/journal.pone.0259516.t003
DOI:
10.1371/journal.pone.0259516.t004
DOI:
10.1371/journal.pone.0259516.t005
DOI:
10.1371/journal.pone.0259516.t006
DOI:
10.1371/journal.pone.0259516.s001
DOI:
10.1371/journal.pone.0259516.s002
DOI:
10.1371/journal.pone.0259516.r001
DOI:
10.1371/journal.pone.0259516.r002
DOI:
10.1371/journal.pone.0259516.r003
DOI:
10.1371/journal.pone.0259516.r004
DOI:
10.1371/journal.pone.0259516.r005
DOI:
10.1371/journal.pone.0259516.r006
Language:
English
Publisher:
Public Library of Science (PLoS)
Publication Date:
2021
detail.hit.zdb_id:
2267670-3
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