Natural and Human Disturbances Have Non‐Linear Effects on Whole‐Ecosystem Carbon Storage in an African Savanna DOI Creative Commons
Liana Kindermann, Alexandra Sandhage‐Hofmann, Wulf Amelung

et al.

Global Change Biology, Journal Year: 2025, Volume and Issue: 31(4)

Published: April 1, 2025

Uncertainties in carbon storage estimates for disturbance-prone dryland ecosystems hinder accurate assessments of their contribution to the global budget. This study examines effects land-use change on an African savanna landscape, focusing two major pathways: agricultural intensification and wildlife conservation, both which alter disturbance regimes. By adapting tree inventory soil sampling methods conditions, we quantified aboveground belowground woody vegetation (AGC BGC) organic (SOC) across these pathways types (scrub woodland savanna). We used Generalized Additive Mixed Models assess multiple environmental drivers AGC whole-ecosystem (Ctotal). Our findings revealed a pronounced variation vulnerability reservoirs disturbance, depending pathway type. In scrub vegetation, shrub emerged as most vulnerable reservoir, declining average by 56% along conservation 90% compared low-disturbance sites. savanna, was affected, decreasing 95% pathway. Unexpectedly, SOC stocks were often higher at greater levels, particularly under intensification, likely due preferential conversion naturally carbon-richer soils agriculture redistribution through megaherbivore browsing. Strong unimodal relationships between agents, such browsing woodcutting, Ctotal suggest that intermediate levels can enhance ecosystem-level ecosystems. These underline importance locally tailored management strategies-such certification schemes-that reconcile regimes drylands with sequestration goals. Moreover, potential trade-offs objectives goals must be considered.

Language: Английский

What is the best type of tree to use for forest restoration? DOI
Pieter A. Zuidema, Madelon Lohbeck

Nature, Journal Year: 2025, Volume and Issue: unknown

Published: March 19, 2025

Language: Английский

Citations

0
Climatic and socioeconomic constraints to global tree restoration potential DOI Creative Commons
Wenmin Zhang, Martin Brandt, Josep Peñuelas

et al.

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: March 19, 2025

Abstract Tree restoration is central to increasing terrestrial carbon storage and biodiversity. However, the extent which potential for global tree cover can be released remains uncertain, because efforts may involve trade-offs with other essential ecosystem services. Here we estimated an area of 1.3 billion hectares globally, relative existing in intact forests. Unlocking this restoration, however, constrained by effects climatic factors such as droughts anthropogenic pressures associated growing demand socioeconomic benefits forest resources. We project that subject climate extremes under highest emission scenario warming, will increase approximately 100% globally 2100. This likely result reduced realized and/or increasingly disturbed future areas. Our results highlight influence both constraints on releasing should reconciled pursue realistic goals restoration.

Language: Английский

Citations

0
Niche Conservatism and Community Assembly Reveal Microbial Community Divergent Succession Between Litter and Topsoil DOI Open Access
Wang Hao-cai, Thomas W. Crowther, Kazuo Isobe

et al.

Molecular Ecology, Journal Year: 2025, Volume and Issue: unknown

Published: March 20, 2025

ABSTRACT Natural restoration is an effective approach for restoring degraded ecosystems, yet the successional patterns and assembly mechanisms of aboveground (litter layer) belowground (topsoil) microbial communities remain poorly understood. We applied niche conservatism framework to investigate partitioning, community processes in litter topsoil layers during long‐term vegetation southwestern China. The results showed that, succession, potential source layer gradually shifted from being dominated by litter. Fungal had a significantly higher proportion external immigrants (> 80%) than bacteria 40%) archaea (< 20%). During bacterial fungal underwent differentiation, displaying divergent succession pattern, while archaeal overlap, following convergent pattern driven stochastic processes. Additionally, dispersal rate (m) β‐diversity turnover (slope) species were lower topsoil, with more influenced deterministic This study reveals that habitat specialisation imposes stronger filtering effects on colonisation most groups, particularly communities, highlighting role strategy differentiation shaping communities.

Language: Английский

Citations

0
Transforming forest management through rewilding: Enhancing biodiversity, resilience, and biosphere sustainability under global change DOI Creative Commons
Lanhui Wang, Fangli Wei, Torbern Tagesson

et al.

One Earth, Journal Year: 2025, Volume and Issue: 8(3), P. 101195 - 101195

Published: March 1, 2025

Language: Английский

Citations

0
Natural and Human Disturbances Have Non‐Linear Effects on Whole‐Ecosystem Carbon Storage in an African Savanna DOI Creative Commons
Liana Kindermann, Alexandra Sandhage‐Hofmann, Wulf Amelung

et al.

Global Change Biology, Journal Year: 2025, Volume and Issue: 31(4)

Published: April 1, 2025

Uncertainties in carbon storage estimates for disturbance-prone dryland ecosystems hinder accurate assessments of their contribution to the global budget. This study examines effects land-use change on an African savanna landscape, focusing two major pathways: agricultural intensification and wildlife conservation, both which alter disturbance regimes. By adapting tree inventory soil sampling methods conditions, we quantified aboveground belowground woody vegetation (AGC BGC) organic (SOC) across these pathways types (scrub woodland savanna). We used Generalized Additive Mixed Models assess multiple environmental drivers AGC whole-ecosystem (Ctotal). Our findings revealed a pronounced variation vulnerability reservoirs disturbance, depending pathway type. In scrub vegetation, shrub emerged as most vulnerable reservoir, declining average by 56% along conservation 90% compared low-disturbance sites. savanna, was affected, decreasing 95% pathway. Unexpectedly, SOC stocks were often higher at greater levels, particularly under intensification, likely due preferential conversion naturally carbon-richer soils agriculture redistribution through megaherbivore browsing. Strong unimodal relationships between agents, such browsing woodcutting, Ctotal suggest that intermediate levels can enhance ecosystem-level ecosystems. These underline importance locally tailored management strategies-such certification schemes-that reconcile regimes drylands with sequestration goals. Moreover, potential trade-offs objectives goals must be considered.

Language: Английский

Citations

0