On conservation of world heritage Beijing-Hangzhou grand canal for enhancing cultural ecosystem services

Zhang, Yixin; Jing, Zehui; Huang, Qiuyue; Wang, Xinyue; Sun, Wenxin; Zhang, Chenyue; Wang, Jieqing; Zhong, Yujia; Wang, Jiesi; Tan, Li; Zheng, Li; Wang, Bo; Wang, Lifen; Sun, Xiangli; Zhai, Jun; Wang, Weizhu; Wu, Yongfa; Candeias, António

doi:10.1186/s40494-023-01101-4

Heritage Science

Table 7 Correlation coefficients between pollutant indexes and land use structure and pattern

From: On conservation of world heritage Beijing-Hangzhou grand canal for enhancing cultural ecosystem services

Item	Buffer(m)	DO	COD	TN	TP	NH3-H	Electrical conductivity	Nitrate nitrogen
Green land	100	− 0.811	− 0.549	0.845	0.808	− 0.081	0.870	0.811
	200	− 0.961^**	− 0.973^**	0.647	0.759	− 0.474	0.856	0.956^*
	300	− 0.762	− 0.904^*	0.372	0.534	− 0.569	0.622	0.760
Bare land	100	− 0.571	0.307	0.404	0.348	− 0.156	0.542	0.560
	200	− 0.843	0.722	0.461	0.504	− 0.440	0.721	0.830
	300	− 0.865	0.658	0.652	0.655	− 0.299	0.822	0.857
Arable land	100	0.450	− 0.437	− 0.789	− 0.809	− 0.149	− 0.592	− 0.467
	200	0.450	− 0.437	− 0.789	− 0.809	− 0.149	− 0.592	− 0.467
	300	0.450	− 0.437	− 0.789	− 0.809	− 0.149	− 0.592	− 0.467
Commercial, industrial, & mining land,	100	− 0.961^**	0.930^*	0.654	0.773	− 0.563	0.900^*	0.967^**
	200	− 0.829	0.905^*	0.462	0.621	− 0.626	0.733	0.836
	300	− 0.712	0.855	0.352	0.523	− 0.597	0.603	0.718
Residential land	100	− 0.578	0.262	0.724	0.632	0.097	0.676	0.578
	200	− 0.652	0.894^*	0.443	0.526	− 0.030	0.431	0.615
	300	− 0.672	0.885^*	00.295	0.449	− 0.445	0.489	0.660
Typical urban land	100	− 0.969^**	0.926^*	0.672	0.786	− 0.551	0.913^*	0.975^**
	200	− 0.830	0.926^*	0.471	0.626	−0.579	0.720	0.833
	300	− 0.702	0.876	0.331	0.497	− 0.539	0.561	0.700
Landscape diversity	100	− 0.176	0.016	− 0.309	− 0.282	− 0.576	0.084	0.178
	200	0.135	− 0.060	− 0.545	− 0.554	− 0.105	− 0.371	− 0.172
	300	− 0.083	0.140	− 0.329	− 0.340	− 0.093	− 0.168	0.040
Landscape superiority	100	0.318	− 0.124	0.181	0.127	0.719	− 0.264	− 0.331
	200	0.031	− 0.130	0.362	0.374	0.029	0.235	0.016
	300	0.215	− 0.289	0.157	0.173	0.008	0.051	− 0.165
Landscape evenness	100	0.202	− 0.323	− 0.618	− 0.528	− 0.787	− 0.166	− 0.162
	200	0.731	− 0.615	− 0.964^**	− 0.972^**	− 0.038	− 0.848	− 0.743
	300	− 0.400	0.234	− 0.140	− 0.057	− 0.813	0.339	0.417

^* Denotes significant correlation at the 0.05 level, ** indicates highly substantial correlation at the 0.01 level (confidence level = 95%) Bolded format number indicates that is statistically correlated

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