“人的命脉在田，田的命脉在水，水的命脉在山，山的命脉在土，土的命脉在树”---树是生命共同体之源。以树木、林分、森林、测量、定位、数量、质量教学。践行绿水青山就是金山银山理念、走进名师课堂，硕果累累，兴味盎然、可触可感的教与学，领悟自然界命运共同体的美丽与魅力,探讨森林资源的奥秘。 Course introduction: “The lifeblood of man is in the field, the lifeblood of the field is in the water, the lifeblood of the water is in the mountain, the lifeblood of the mountain is in the earth, and the lifeblood of the earth is in the trees.” Trees are the source of the community of life. In this course, by teaching knowledge about trees, stands, forests, measurement, orientation, quantity and quality, it practices the concept of “lucid waters and lush mountains are invaluable assets”. Entering the classroom of master teachers, with fruitful, interesting, and practical teaching and learning, it helps students understand the beauty and charm of the community with a shared future for nature, and explore the mystery of forest resources.