University of Alberta expert challenges popular claims about the “wood-wide web.” The idea that forest trees can “talk” to each other, share resources with their seedlings — and even protect them — through a connective underground web of delicate fungal filaments tickles the imagination. The c
challenge three commonly held beliefs regarding the abilities of common mycorrhizal networks , which are underground fungi that link the roots of multiple plants.The idea that forest trees can “talk” to each other, share resources with their seedlings — and even protect them — through a connective underground web of delicate fungal filaments tickles the imagination.
Ecologist Justine Karst is a co-author of a new perspective paper contesting claims that underground fungal networks allow trees to “talk” to each other and share resources with seedlings. Credit: University of Alberta They found that one of the claims, that CMNs are widespread in forests, isn’t supported by enough scientific evidence. Not enough is known about CMN structure and its function in the field, “with too few forests mapped.”
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