Simple ecological indicators benchmark regeneration success of Amazonian forests

IF 8.1 1区地球科学 Q1 ENVIRONMENTAL SCIENCES

Communications Earth & Environment Pub Date : 2024-12-20 DOI:10.1038/s43247-024-01949-9

André L. Giles, Juliana Schietti, Milena F. Rosenfield, Rita C. Mesquita, Daniel Luis Mascia Vieira, Ima C. G. Vieira, Lourens Poorter, Pedro H. S. Brancalion, Marielos Peña-Claros, João Siqueira, Luis Oliveira Junior, Mário Marcos do Espírito-Santo, Priscila Sanjuan de Medeiros Sarmento, Joice N. Ferreira, Erika Berenguer, Jos Barlow, Fernando Elias, Henrique Luis Godinho Cassol, Richarlly C. Silva, Sabina Cerruto Ribeiro, Natália Medeiros, André B. Junqueira, Paulo Massoca, Marciel Jose Ferreira, Markus Gastauer, Leandro V. Ferreira, Danilo Roberti Alves de Almeida, Luiz E. O. C. Aragão, Catarina C. Jakovac

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Abstract

Natural regeneration of Amazon forests offers a promising strategy to mitigate forest loss and advance the goals of the UN Decade on Ecosystem Restoration. However, the vast variability in regeneration rates across environmental gradients and over time poses considerable challenges for assessing regeneration success and ecosystem services provision in human-modified landscapes. Here we compiled 448 plots from forest regeneration in the Amazon to investigate the drivers of regrowth capacity and identify robust ecological indicators. By modeling optimal successional trajectories, we estimated reference values for vegetation structure, diversity, and functioning. After 20 years, successful regeneration should reach a minimum basal area of 14 m². ha−¹, at least 34 tree species per 100 individuals, a structural heterogeneity index of 0.27, and 123 Mg.ha−¹ of aboveground biomass. These straightforward indicators and reference values provide a foundational framework for governments and practitioners to assess success and establish targets for Amazon restoration efforts. Optimal regeneration success in Amazonian forests is mapped by simple ecological indicators, providing reference values for measuring restoration success across successional stages based on a large compiled dataset on forest regeneration.

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来源期刊

Communications Earth & Environment Earth and Planetary Sciences-General Earth and Planetary Sciences

CiteScore

8.60

自引率

2.50%

发文量

269

审稿时长

26 weeks

期刊介绍： Communications Earth & Environment is an open access journal from Nature Portfolio publishing high-quality research, reviews and commentary in all areas of the Earth, environmental and planetary sciences. Research papers published by the journal represent significant advances that bring new insight to a specialized area in Earth science, planetary science or environmental science. Communications Earth & Environment has a 2-year impact factor of 7.9 (2022 Journal Citation Reports®). Articles published in the journal in 2022 were downloaded 1,412,858 times. Median time from submission to the first editorial decision is 8 days.