Estimating the global conservation status of more than 15,000 Amazonian tree species
Abstract
INTRODUCTION
RESULTS
Effects of historical forest loss on tree populations
Forest loss 1900–2013 | Forest loss 1900–2050 (BAU) | Forest loss 1900–2050 (IGS) | |
---|---|---|---|
Total number of species | 15,200 | 15,200 | 15,200 |
Number of species with >30% observed population decline to date (IUCN A2) | 1309 | — | — |
Number of species with >30% projected population decline over three generations (IUCN A4) | — | 7033 | 3364 |
Number of species with >10% projected population decline over three generations and <10,000 individuals (IUCN C1) | — | 38 | 44 |
Number of species with <1000 individuals (IUCN D1) | 2505 | 1619 | 2107 |
Total number of threatened species | 3814 | 8690 | 5515 |
Percentage of all species threatened | 25 | 57 | 36 |
Effects of projected forest loss on tree populations
To what degree will protected areas and indigenous territories prevent declines of Amazonian tree populations?
DISCUSSION
A 22% increase in the global red list for plants
Most tropical tree species may be globally threatened
Linking forest loss, species threat status, and protected areas management in the Amazon
MATERIALS AND METHODS
Amazonian base map
Tree density
Modeled population sizes and species distributions: Common species
Modeled population sizes and species distributions: Rare species
Protected areas and deforestation
Acknowledgments
Supplementary Material
Summary
Resources
REFERENCES AND NOTES
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November 2015
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- Hans ter Steege et al.
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- The commonness of rarity: Global and future distribution of rarity across land plants, Science Advances, 5, 11, (2019)./doi/10.1126/sciadv.aaz0414
- A third of the tropical African flora is potentially threatened with extinction, Science Advances, 5, 11, (2019)./doi/10.1126/sciadv.aax9444
- Biodiversity recovery of Neotropical secondary forests, Science Advances, 5, 3, (2019)./doi/10.1126/sciadv.aau3114
- The Amazon region, Science Advances, 3, 11, (2017)./doi/10.1126/sciadv.aar3677
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