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Trees can recognize their own kin from "summary" of The Hidden Life of Trees by Peter Wohlleben

In the forest, trees are not solitary beings but are part of a complex social network. They communicate with each other through an underground web of fungi known as the Wood Wide Web. This network allows trees to exchange nutrients, warnings about insect attacks, and even recognize their own kin. When a tree is wounded, it releases chemical signals that are picked up by its neighbors. In response, neighboring trees increase their production of defensive chemicals to protect themselves from potential threats. This shows that trees are capable of not only communicating with each other but also responding to the needs of their kin. One way in which trees can recognize their own kin is through root grafting. Trees that are genetically related may fuse their roots together underground, forming a connection that allows them to share resources more efficiently. This interconnectedness helps trees support each other during times of drought or nutrient scarcity. Research has shown that trees are more likely to share resources with their kin than with unrelated trees. In one study, researchers found that mother trees were able to recognize and favor their own offspring, sending more nutrients towards them than to unrelated seedlings. This preferential treatment ensures the survival and growth of their kin, ultimately benefiting the entire forest community. The ability of trees to recognize their own kin and support them through shared resources and chemical signals highlights the interconnectedness and cooperation that exists within a forest ecosystem. By understanding and appreciating the hidden life of trees, we can gain a deeper appreciation for the complex relationships that exist in nature.
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    The Hidden Life of Trees

    Peter Wohlleben

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