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ORIGINAL RESEARCH
Distributional Response of Paeonia Decomposita
to Climate Change and Conservation Strategies
1
Ecological Security and Protection Key Laboratory of Sichuan Province, Mianyang Normal University,
Mianyang 621000, Sichuan, China
2
Tibet Autonomous Region Science and Technology Information Institute, Lhasa 850000, Tibet, China
3
Beichuan Qiang Autonomous County Committee of the Chinese People’s Political Consultative Conference,
Mianyang, 621000, China
4
Sichuan Academy of Forestry Sciences, Chengdu 610084, Sichuan, China
5
College of Ecology and Environment, Tibet University, Lhasa 850000, Tibet, China
These authors had equal contribution to this work
Submission date: 2023-08-31
Final revision date: 2024-03-27
Acceptance date: 2024-05-19
Online publication date: 2024-09-04
Publication date: 2025-04-04
Corresponding author
Pol. J. Environ. Stud. 2025;34(4):3657-3669
KEYWORDS
TOPICS
ABSTRACT
Paeonia decomposita (P. decomposita) belongs to the peony group of woody plants and can be used
to cultivate new peony varieties and as traditional Chinese medicinal medicine. With the increasing
demand for P. decomposita in the herbal market, it is endangered and in urgent need of conservation.
In this study, the potential distribution area of P. decomposita was simulated by the Maxent model.
The environmental factors affecting the distribution of P. decomposita were analyzed by applying the
environmental factor contribution rate and knife-cut test, respectively.
The results showed that the AUC value of the P. decomposita training set data was 0.949, indicating that the model was accurate. Currently, P. decomposita’s highly suitable areas are mainly distributed in Ganzi and Aba Prefectures in a strip-like manner, and the other part is sporadically distributed in Diqing Tibetan Autonomous Prefecture and Changdu City, with an area of 1.56×104 km2, accounting for 7.10% of the total suitable areas, and the most important environmental factor for its geographic distribution is the altitude. Under the backdrop of future climate change, the areas of suitable P. decomposita all showed an increasing trend. Among them, high and medium suitable areas showed a significant increase in area and were strongly affected by climate change. P. decomposita’s highly suitable areas migrated in different latitudes and directions, and the migration span was larger under the high-concentration emission scenario. This study provides a scientific basis for the promotion, cultivation, and conservation of P. decomposita by predicting its potential geographic distribution and clarifying its ecological requirements.
The results showed that the AUC value of the P. decomposita training set data was 0.949, indicating that the model was accurate. Currently, P. decomposita’s highly suitable areas are mainly distributed in Ganzi and Aba Prefectures in a strip-like manner, and the other part is sporadically distributed in Diqing Tibetan Autonomous Prefecture and Changdu City, with an area of 1.56×104 km2, accounting for 7.10% of the total suitable areas, and the most important environmental factor for its geographic distribution is the altitude. Under the backdrop of future climate change, the areas of suitable P. decomposita all showed an increasing trend. Among them, high and medium suitable areas showed a significant increase in area and were strongly affected by climate change. P. decomposita’s highly suitable areas migrated in different latitudes and directions, and the migration span was larger under the high-concentration emission scenario. This study provides a scientific basis for the promotion, cultivation, and conservation of P. decomposita by predicting its potential geographic distribution and clarifying its ecological requirements.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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