Fig 1.
Location and topographic features of the research area.
Note: The map is based on the standard map with review number GS (2020) 4619 downloaded from the website of Standard Map Service of the Ministry of Natural Resources of China (http://bzdt.ch.mnr.gov.cn/), produced by ArcGIS 10.8 software, with no modification of the base map.
Fig 2.
Spatial distribution of the grand canal (East Zhejiang section)-maritime silk road cultural heritage.
Note: The map is based on the standard map with review number GS (2020) 4619 downloaded from the website of Standard Map Service of the Ministry of Natural Resources of China (http://bzdt.ch.mnr.gov.cn/), produced by ArcGIS 10.8 software, with no modification of the base map.
Table 1.
Numbers-periods-types of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage.
Fig 3.
Changes in the number of cultural heritages over time.
Table 2.
NNI of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage.
Fig 4.
Overall kernel density of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage.
(The blue box indicates Three-River Estuary, the green box indicates Yuyao city center, and the red box indicates Xiangshan Shipu fishing port.) Note: The map is based on the standard map with review number GS (2020) 4619 downloaded from the website of Standard Map Service of the Ministry of Natural Resources of China (http://bzdt.ch.mnr.gov.cn/), produced by ArcGIS 10.8 software, with no modification of the base map.
Fig 5.
Kernel density of different types of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage.
Note: The map is based on the standard map with review number GS (2020) 4619 downloaded from the website of Standard Map Service of the Ministry of Natural Resources of China (http://bzdt.ch.mnr.gov.cn/), produced by ArcGIS 10.8 software, with no modification of the base map.
Table 3.
Distribution and composition of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage in different periods.
Fig 6.
Kernel density of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage in different periods.
Note: The map is based on the standard map with review number GS (2020) 4619 downloaded from the website of Standard Map Service of the Ministry of Natural Resources of China (http://bzdt.ch.mnr.gov.cn/), produced by ArcGIS 10.8 software, with no modification of the base map.
Table 4.
Changes in SDE parameters of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage in different periods.
Fig 7.
Center of gravity and direction of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage in different periods.
Note: The map is based on the standard map with review number GS (2020) 4619 downloaded from the website of Standard Map Service of the Ministry of Natural Resources of China (http://bzdt.ch.mnr.gov.cn/), produced by ArcGIS 10.8 software, with no modification of the base map.
Table 5.
Number and proportion of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage in different elevation ranges.
Fig 8.
Various natural factors and spatial distribution of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage.
Note: The map is based on the standard map with review number GS (2020) 4619 downloaded from the website of Standard Map Service of the Ministry of Natural Resources of China (http://bzdt.ch.mnr.gov.cn/), produced by ArcGIS 10.8 software, with no modification of the base map.
Table 6.
Number and proportion of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage in different slope ranges.
Table 7.
Number and proportion of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage with different slope aspects.
Table 8.
Number and proportion of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritage with different widths of river buffer zones.
Table 9.
Political events and impacts in different periods.
Fig 9.
Fitting curve between the number of population and the number of the Grand Canal (East Zhejiang section)-Maritime Silk Road cultural heritages in different periods.
Table 10.
Regional cultural impacts and representative cultural heritages.