van Nes

Dec 30, 2024 | pnas.org | van Nes |Troy Magney |Zoe Pierrat |Carter Smith

IPCC, Climate Change and Land: an IPCC special report on climate change, desertification, land degradation, sustainable land management, food security, and greenhouse gas fluxes in terrestrial ecosystems, J. M. P.R. Shukla et al., Eds. (2019). S. Wang et al., Mechanisms and impacts of earth system tipping elements. Rev. Geophys. 61, e2021RG000757 (2023). S. Gauthier, P. Bernier, T. Kuuluvainen, A. Z. Shvidenko, D. G. Schepaschenko, Boreal forest health and global change. Science 349, 819–822 (2015). T. P.

Dec 29, 2024 | pnas.org | van Nes |Carter Smith |Elizabeth L Albright |Elizabeth A. DeMattia

Edited by Pablo Marquet, Pontificia Universidad Catolica de Chile, Santiago, Chile; received March 1, 2024; accepted October 27, 2024Climate change is expected to alter the distribution, structure, and functioning of global biomes (1). The boreal forest biome lies within a zone of strong warming. As a result, growth conditions for plants and disturbance regimes by fire or insect outbreaks are changing rapidly (2).

Sep 5, 2024 | trialsjournal.biomedcentral.com | van Nes |Sint Maartenskliniek

MethodsThe study is approved by the internal review board of the Sint Maartenskliniek and the regional medical ethics committee Oost-Nederland (2022–13719, NL80641.091.22). Any modifications of the protocol will be notified via an amendment. The trial has been registered on Clinicaltrials.gov (NCT05605912). This study will be conducted in accordance with the Declaration of Helsinki (64th WMA General Assembly, Fortaleza, Brazil, October 2013) and the Medical Research Involving Human Subjects Act.

Nov 20, 2023 | pnas.org | Marten Scheffer |van Nes |Cory Clark |Lee Jussim Ph. D.

The vulnerability of aging states: A survival analysis across premodern societiesContributed by Marten Scheffer; received December 9, 2022; accepted October 12, 2023; reviewed by Sean S. Downey, Robert D. Drennan, and Ann KinzigSignificanceHumans become increasingly fragile as they age. We show that something similar may happen to states, although for states, the risk of termination levels off as they grow older, allowing some to persist for millennia.