These confined conditions then lead to other issues, such as localised droughts – a common problem, as a tree"s roots can quickly mop up the water in its little pocket of land. "A tree with a smaller working environment will cause it to dry out much quicker, so they"ll experience drought cycles," says Hirons. "And, you know, if a tree is always living on the edge of that sort of stress, they become more vulnerable to pathogens, pests, etc, just like us."

อ่านต่อเพิ่มเติม โรงเรียนบ้านนาเหนือ

สาระสำคัญ  กล้ามเนื้อ