Figure 2.
The thematic map of Shandong Province displays the distribution of material water cultural heritage sites marked by circular points along the Yellow River system. Railways, tributaries, principal tributaries, the principal course of the Yellow River, subsidiary lakes, and city boundaries are shown. The highest concentration of heritage sites occurs along the Yellow River corridor near Jinan, Liaocheng, Dongying, and Taian, with density shading increasing around these clusters. Cities including Heze, Binzhou, Qingdao, Rizhao, and Yantai are labelled. The legend presents density values ranging from 0 to approximately 0.024129793. A north arrow and a scale bar from 0 to 180 kilometres are included.Overall nuclear density distribution of water infrastructure heritage