remicardinael.bsky.social
Soil scientist & agronomist (PhD, Habil./HDR) @cirad.bsky.social #SOC #GHG #ClimateChange
Editor-in-Chief @SOIL @eurogeosciences.bsky.social
Associate Editor @PlantandSoil & @AgroforestrySystems
https://agents.cirad.fr/R%C3%A9mi+Cardinael/Homepage
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No,cover crops are a challenge there because of the 6-7 month dry season after the cropping season. Large variability in SOC stocks in croplands better explained by manure additions and fallowing in this context
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With several colleagues @gatienfalconnier.bsky.social @lerouxlouise.bsky.social @mcorbeels.bsky.social and others not (yet?) on BlueSky
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Full paper can be read here for free: www.nature.com/articles/s41...
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🧵10/10 PS: don't forget to check the supplementary materials, interesting stuff in there too!
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🧵9/10 All in all, agroforestry clearly has major NCS potential, but scientific gaps 🔬🕳️ need to be filled to accelerate deployment! Agroforestry is multifunctional, w/ many other potential benefits! Let's keep making the case for getting more 🌳 on our farmlands!🌾🐄
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🧵8/10 Agroforestry is mostly talked about as a climate action in Global South, but we find that to be out of proportion to its enormous potential in the low-tree industrial ag 🚜 of the Global North [FIG 5]. A lot of work to be done here!
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🧵7/10 Being able to map 🗺 & monitor agroforestry is crucial for tracking and reporting it as a climate action. This is doable using remote sensing 🛰️🌏 We explain the challenges [FIG 3] [FIG 4], but also point to tech breakthroughs that could help!👩💻
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🧵6/10 The factors that matter most are not well reported... Until soon! (Stay tuned for future work from our group...)
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🧵5/10 We also found that field-scale AF mitigation potential ("how much CO2 can it store?") is really ❓. It is usually assessed by agroforestry practice type, but practices have substantial overlap [FIG 2].
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🧵4/10 We were surprised to find no clear definition of agroforestry as an NCS. So... We used standard agroforestry definitions to make one! We coupled that with a conceptual framework for thinking about the climate impact of agroforestry [FIG 1].
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🧵3/10 Trees moderate temperatures 🌡, diversify diets 🍽 & yields 💰, make good habitat 🐦 ... and they also pull #carbondioxide (CO2) into on-farm storage (NCS!).
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🧵2/10 For those not familiar: 'Agroforestry' (AF) means using trees and non-tree ag species 🍅🌶🌽🐓 together on farms. In many regions, trees have been increasingly removed from farms. But there are so many reasons to rethink!