Arctic Soil Webs
Yves Earhart
Traducteur A AI
Maison d'édition: Publifye
Synopsis
Arctic Soil Webs uncovers the hidden world beneath the Arctic’s frozen surface, where thawing permafrost threatens to unleash vast stores of carbon—twice the amount in Earth’s atmosphere—into the climate system. The book explores how soil ecosystems, from microbes to shrubs, shape and respond to rapid environmental change, blending microbiology, ecology, and climatology to reveal their global significance. Central to its thesis is biological resilience: Arctic organisms have evolved ingenious survival strategies, like microbial communities that metabolize ancient carbon under ice, but these adaptations may falter as warming disrupts delicate balances. Structured to zoom from microscopic interactions to planetary impacts, the book begins with genomic studies of permafrost microbes, whose metabolic pathways determine whether carbon escapes as CO₂ or methane. It then tracks how soil fauna, like nematodes, redistribute nutrients, and how encroaching shrubs alter microbial activity—processes that collectively influence greenhouse gas emissions. Field experiments in Siberia and Alaska, alongside climate models, highlight the disconnect between lab predictions and real-world emissions, underscoring the urgency of refining forecasts. What sets Arctic Soil Webs apart is its portrayal of Arctic soils as dynamic, interconnected networks rather than inert carbon vaults. By linking microbial activity to atmospheric science and policy, it bridges disciplines while advocating for protecting permafrost as a climate priority. Accessible yet rigorous, the book translates complex concepts—like carbon flux—into relatable terms, using ice core data and warming simulations to illustrate high stakes. For anyone curious about climate change’s invisible drivers, it offers a stark reminder: the fate of these frozen ecosystems will ripple far beyond the poles.
Disponible depuis: 25/01/2025.
Longueur d'impression: 71 pages.
