Core Concept - The article discusses the significance of cultural ancient trees in China, highlighting the efforts of Liang Heng in establishing the concept of "cultural ancient trees" and the discipline of "cultural forestry" [1][4][11] Group 1: Liang Heng's Contributions - Liang Heng is recognized as the first to propose the concept of cultural ancient trees and advocate for the establishment of a related academic discipline [1] - He aims to find one hundred cultural ancient trees and write one hundred articles about them, emphasizing the need to protect culture through forests and vice versa [1][4] - His work has led to the publication of "Trees on the Chinese Skyline," which includes 33 cultural ancient trees linked to significant historical figures and events [4][11] Group 2: Cultural and Ecological Significance - The concept of cultural ancient trees is defined as trees that are old, have stories, and are associated with major historical events [4][5] - Liang Heng's exploration of ancient trees serves as a means to understand the relationship between humans and nature, as well as the cultural identity of a nation [5][6] - The article emphasizes the ecological and cultural values of trees, which have often been overlooked in favor of material needs [5][6] Group 3: Development of the Discipline - The establishment of a major in ancient tree protection at Beijing Agricultural University marks a significant step in formalizing the study of cultural ancient trees [11] - The publication of the textbook "Ancient Tree History and Culture" reflects the integration of Liang Heng's concepts into academic curricula [11] - The introduction of specific regulations for the protection of ancient trees in China indicates a growing recognition of their importance in ecological and cultural contexts [11]