4.6 Review

A Role for Drylands in a Carbon Neutral World?

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No changes in soil organic carbon and nitrogen following long-term prescribed burning and livestock exclusion in the Sudan-savanna woodlands of Burkina Faso

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Summary: The study found that 19 years of prescribed annual burning and livestock exclusion did not have a significant impact on SOC and TN concentrations, nor did it result in a significant increase in tree density. Restricting burning or grazing did not lead to an increase in SOC stocks in the dry savanna ecosystem, contrary to expectations and current policy recommendations.

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Assessing reforestation failure at the project scale: The margin for technical improvement under harsh conditions. A case study in a Mediterranean Dryland

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Woody-biomass projections and drivers of change in sub-Saharan Africa

C. Wade Ross et al.

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Limited effects of tree planting on forest canopy cover and rural livelihoods in Northern India

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Summary: Large-scale tree planting programs in Northern India have not shown significant increase in forest canopy cover or direct benefits to local communities. This suggests that expensive tree planting programs may not always achieve their desired environmental and economic outcomes.

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Summary: Grasslands provide crucial ecosystem services, but are often overlooked in sustainable policy. Degradation of grasslands threatens biodiversity, ecosystem services, and human well-being. Strategies to combat degradation and promote restoration include increasing global recognition of grasslands, developing standardized indicators, using scientific innovation for effective restoration, and enhancing knowledge transfer and data sharing. These actions can help halt degradation, enhance restoration success, and protect the socio-economic, cultural, and ecological benefits that grasslands provide.

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William J. Bond et al.

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Joseph W. Veldman et al.

SCIENCE (2019)

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Simon L. Lewis et al.

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Stephanie Roe et al.

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Grasslands may be more reliable carbon sinks than forests in California

Pawlok Dass et al.

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Niall P. Hanan

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Cesar Plaza et al.

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Vegetation impoverishment despite greening: A case study from central Senegal

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Expansion of global drylands under a warming climate

S. Feng et al.

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Juggling carbon: allocation patterns of a dominant tree in a fire-prone savanna

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Simulation of Sahel drought in the 20th and 21st centuries

IM Held et al.

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Oceanic forcing of the late 20th century Sahel drought

J Lu et al.

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Fire as a global 'herbivore': the ecology and evolution of flammable ecosystems

WJ Bond et al.

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Tropical drought regions in global warming and El Nino teleconnections

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RB Jackson et al.

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