What the study found
The study found that the four Taxus species examined have different current suitable habitats in China, and that future climate scenarios may change those habitats in different ways. The authors report that the distribution centers are predicted to move toward higher latitudes over time.
Why the authors say this matters
The authors say this is important for conserving wild Taxus resources, supporting artificial propagation, and guiding sustainable development. They conclude that the results provide a reference for conservation strategies and introduction and cultivation initiatives.
What the researchers tested
The researchers used the MaxEnt model, a species distribution modeling approach, to estimate where four Taxus species could grow under current climate conditions and under four future shared socioeconomic pathways (SSP126, SSP245, SSP370, and SSP585). They examined three future time periods: the 2050s, 2070s, and 2090s, and assessed environmental factors linked to distribution.
What worked and what didn't
The models performed well, with area under the curve values above 0.9. The coldest monthly minimum temperature was the main environmental factor affecting distribution for most species, while human footprint was the main factor for Taxus cuspidata. Suitable area was predicted to expand for Taxus wallichiana and Taxus wallichiana var. chinensis, but to both expand and contract for Taxus wallichiana var. mairei and Taxus cuspidata.
What to keep in mind
The summary provided does not describe experimental field validation beyond the modeling approach. The abstract also does not give detailed uncertainty estimates for the future projections or explain how strongly each future scenario differed from the others.
Key points
- Four Taxus species in China were modeled under current and future climate scenarios.
- The coldest monthly minimum temperature was the main driver for most species.
- Taxus cuspidata was most influenced by human footprint rather than temperature.
- Suitable habitat was predicted to expand for Taxus wallichiana and Taxus wallichiana var. chinensis.
- Distribution centroids were predicted to shift toward higher latitudes over time.
Disclosure
- Research title:
- Climate change may shift suitable ranges of four Taxus species northward
- Authors:
- Quanlong Jin, Yu Gao, Yuandong HU
- Institutions:
- Heilongjiang Academy of Forestry, Northeast Forestry University, Xi'an University of Architecture and Technology
- Publication date:
- 2026-02-27
- DOI:
- W7131784324
- OpenAlex record:
- View
- Image credit:
- Bruce Marlin, Wikimedia Commons, CC BY-SA 3.0
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