Protecting Heritage Trees in Weifang City, Shandong Province, Northern China

Heritage trees are long-lived or notable with great historical significance, scientific value, commemorative importance. Many heritage have been preserved in Weifang City, Shandong Province, Northern China. In this paper, the origin, species diversity, age structure, health, surrounding habitats, distribution, genera floristic composition, and challenges of protecting were investigated using literature analysis, field survey, interview. There 864 city, composed 49 species, 41 genera, 25 families. The divided into three original types: religious trees, naturally dispersed wild agricultural backgrounds used as offerings. Particularly, Sophora japonica, Ziziphus jujube, Ginkgo biloba, Sabina chinensis, Platycladus orientalis, Osmanthus fragrans six most common species. 208 individuals 500 years elder, 293 300–499 old, 359 100–299 4 trees. Most them distributed low-urbanized areas county-level cities Linqu county, few high-urbanized districts City. 14, 12, 6 belonging to areal-types Temperate, Cosmopolitan, Tropic, respectively, similar that seed plants Yishan Mountain. some such urbanization, habitat deterioration, natural disasters, anthropic activities, health decline, inadequate management. Some protection measures taken previously summarized, should be future proposed.