Habitat Suitability Evaluation of Pinellia Ternata (Thunb.) Breit. in Gansu Province Based on Maximum Entropy Model
10.13748/j.cnki.issn1007-7693.20221283
- VernacularTitle:基于最大熵模型的甘肃半夏生境适宜性评价
- Author:
Fengqin ZHANG
1
;
Guangzhen WAN
2
;
Huifang HU
3
;
Ling JIN
3
;
Juan CHEN
2
Author Information
1. Lanzhou Pulmonary Hospital, Lanzhou 730000, China
2. School of Pharmacy, Lanzhou University, Lanzhou 730000, China
3. College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou 730000, China
- Publication Type:Journal Article
- Keywords:
Pinellia ternata (Thunb.) Breit.；MaxEnt model； geographic information system ； prediction of suitable growing areas
- From:
Chinese Journal of Modern Applied Pharmacy
2024;41(7):939-945
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVE :To explore the potential geographic distribution of Pinellia Ternata (Thunb.) Breit. in Gansu province, clarify its habitat requirements, and provide a theoretical basis for rational cultivation.
METHODS
Based on 100 geographic distribution points of Pinellia Ternata (Thunb.) Breit. and 39 environmental variables (including 19 bioclimatic variables, 17 soil variables and 3 topographic variables), the maximum entropy model(MaxEnt) and ArcGIS geographic information system software were used to make the habitat suitable for its evaluation and classification of suitable areas, the result of Jackknife test was used to evaluate the environmental variables that affect the habitat of Pinellia Ternata (Thunb.) Breit., the area under the ROC curve(AUC) was used to evaluate the degree of reliability of the prediction results.
RESULTS
The AUC was 0.993, indicating that the prediction results of the MaxEnt model were reliable. Monthly average daily temperature difference, isotherm, standard deviation of seasonal variation of temperature, annual precipitation, the wettest month precipitation, the driest month precipitation, the driest season precipitation, the coldest season precipitation and altitude were the main environmental variables affecting the growth of Pinellia Ternata (Thunb.) Breit.. The suitable areas for Pinellia Ternata (Thunb.) Breit. in Gansu were mainly concentrated in Longnan, Tianshui and Pingliang, where the areas of high, medium and low suitable areas were 16 180.4, 15 413.96, 21 204.84 km2, respectively.
CONCLUSION
The research results can provide a theoretical reference for the protection and standardized cultivation of Pinellia Ternata (Thunb.) Breit. resources.
