Worldwide comparison of carbon stocks and fluxes between native and non‐native forests

作者：Adrián Lázaro‐Lobo, Romina Fernández, Álvaro Alonso, paula cruces, Verónica Cruz‐Alonso, Gary N. Ervin, Antonio Gallardo, Elena Granda, Daniel Gómez‐Gras, Hélia Marchante · 发表于：Biological reviews/Biological reviews of the Cambridge Philosophical Society · 年份：2024 · DOI：10.1111/brv.13176 · 研究领域：Forest ecology and management、Forest Management and Policy、Plant Water Relations and Carbon Dynamics

Climate change is one of the main challenges that human societies are currently facing. Given that forests represent major natural carbon sinks in terrestrial ecosystems, administrations worldwide are launching broad-scale programs to promote forests, including stands of non-native trees. Yet, non-native trees may have profound impacts on the functions and services of forest ecosystems, including the carbon cycle, as they may differ widely from native trees in structural and functional characteristics. Also, the allocation of carbon between above- and belowground compartments may vary between native and non-native forests and affect the vulnerability of the carbon stocks to disturbances. We conducted a global meta-analysis to compare carbon stocks and fluxes among co-occurring forests dominated by native and non-native trees, while accounting for the effects of climate, tree life stage, and stand type. We compiled 1678 case studies from 250 papers, with quantitative data for carbon cycle-related variables from co-occurring forests dominated by native and non-native trees. We included 170 non-native species from 42 families, spanning 55 countries from all continents except Antarctica. Non-native forests showed higher overall carbon stock due to higher aboveground tree biomass. However, the belowground carbon stock, particularly soil organic carbon, was greater in forests dominated by native trees. Among fluxes, carbon uptake rate was higher in non-native forests, while carbon ...