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When we realized no one had ever harmonized global datasets on carbon flows to mycorrhizal mycelium, we decided to try The number is BIG, but so are the uncertainty values First, lets advocate for more field measurements of carbon flows to mycorrhizal fungi 📹@rachaelcargill

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Toby Kiers

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47,257 просмотров • 3 лет назад •via X (Twitter)

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Фото профиля Toby Kiers
Toby Kiers3 лет назад

Second, lets aim to better include mycorrhizal associations in models of global carbon dynamics @spununderground Incredible team effort by @heidi_j_hawkins, @KatieField4, @rachaelcargill, @Mike_VanNuland, @MerlinSheldrake et al. Open access article:

Фото профиля S.A.N
S.A.N1 год назад

quantifying nature's hidden networks vital data for understanding global ecosystems

Фото профиля Daniel Revillini
Daniel Revillini3 лет назад

@rachaelcargill Amazing work 🥂 Kind of amazing thing I just learned from some plant ecophysiologists… we don’t really know how the phloem works!? Like, we can now basically see the creation of our universe, but don’t know how/why/when plants send things down 🧐

Фото профиля Bobby Buncha Numbers
Bobby Buncha Numbers3 лет назад

@michaelpollan @rachaelcargill 1.21 gigawatts?!?!

Фото профиля Steve Austin
Steve Austin2 лет назад

(A.) Women are not only the custodians of all human genetics (have you SEEN a woeful Y-chromosome? Ever?) but the most durable ties to apply new discoveries to the future of humanity on this or any other planets.

Фото профиля Toby Kiers
Toby Kiers3 лет назад

@moorrhizal @rachaelcargill We are able to tag carbon compounds inside living mycorrhizal networks - the white streams are the carbon compounds.

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Carbon flowing through mycorrhizal fungi With @vuamsterdam and AMOLF, we are using fluorescent tags to track carbon compounds inside living mycorrhizal networks. Speeds of flows range from 5 -120 microns per second. Video was made by Rachael Cargill & Dr. Loreto Oyarte Galvez
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Carbon flowing through mycorrhizal fungi With @vuamsterdam and AMOLF, we are using fluorescent tags to track carbon compounds inside living mycorrhizal networks. Speeds of flows range from 5 -120 microns per second. Video was made by Rachael Cargill & Dr. Loreto Oyarte Galvez

SPUN

10,503 просмотров • 3 лет назад

This video shows real-time carbon flows inside a mycorrhizal network. Mycorrhizal fungi form a symbiotic relationship with ~ 90% of terrestrial plants and have done so for 400 million years. These specialized fungi provide plants with nutrients and water in exchange for carbon-based exudates the plant produces through photosynthesis. Current estimates say that between 4 and 20 percent of all CO2 pulled in by plants ends up stored in mycorrhizal tissues. Considering plants need to build an entire above-ground structure, a root system, and produce flowers, fruits, and seeds, this is an astounding amount of carbon to allocate to mycorrhizal biomass. A recent review study estimates that global plant communities transfer 13.1 gigatons of CO2 to the underground mycelium of mycorrhizal fungi each year – equivalent to roughly 1/3 of annual CO2 emissions from fossil fuels. The amount of time the carbon is locked up in fungi’s mycelium remains unknown. Nonetheless, the influx of such a massive amount of carbon into the soil is a boon for soil ecology, nutrient cycling, and the health of water cycles. It is no wonder the formation of terrestrial ecosystems largely started with the mycorrhizal fungi/plant partnership. Video credit: @rachaelcargill
0:25

This video shows real-time carbon flows inside a mycorrhizal network. Mycorrhizal fungi form a symbiotic relationship with ~ 90% of terrestrial plants and have done so for 400 million years. These specialized fungi provide plants with nutrients and water in exchange for carbon-based exudates the plant produces through photosynthesis. Current estimates say that between 4 and 20 percent of all CO2 pulled in by plants ends up stored in mycorrhizal tissues. Considering plants need to build an entire above-ground structure, a root system, and produce flowers, fruits, and seeds, this is an astounding amount of carbon to allocate to mycorrhizal biomass. A recent review study estimates that global plant communities transfer 13.1 gigatons of CO2 to the underground mycelium of mycorrhizal fungi each year – equivalent to roughly 1/3 of annual CO2 emissions from fossil fuels. The amount of time the carbon is locked up in fungi’s mycelium remains unknown. Nonetheless, the influx of such a massive amount of carbon into the soil is a boon for soil ecology, nutrient cycling, and the health of water cycles. It is no wonder the formation of terrestrial ecosystems largely started with the mycorrhizal fungi/plant partnership. Video credit: @rachaelcargill

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Geologist Prof. Ian Plimer: "Carbon dioxide in the past has been much, much higher than now. We're currently at 0.04%. For most of geological time, it was about 20%." "And during that geological time when we had high carbon dioxide, we had three of the six great ice ages. So clearly carbon dioxide wasn't driving runaway global warming." "We are actually dangerously low. And if we continue to follow that long-term geological trend, we will find that plants will die." "We are currently at just over 0.04% carbon dioxide. That's not enough for plants to thrive. They like about two or three times that amount."

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