|Table of Contents|

Geographical Distribution Prediction and Key Biological Climatic Factors Analysis of  Cymbidium ensifolium in China Based on Maximum Entropy Model and  Geographic Information System(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年09
Page:
199-204
Research Field:
Publishing date:

Info

Title:
Geographical Distribution Prediction and Key Biological Climatic Factors Analysis of  Cymbidium ensifolium in China Based on Maximum Entropy Model and  Geographic Information System
Author(s):
LIANG Chun; LUO Qing; LU Zuzheng; XIE Zhenxing; QIN Qian; HUANG Xinyi
(Guangxi Subtropical Crops Research Institute,Nanning,Guangxi 530001)
Keywords:
Cymbidium ensifolium; maximum entropy model; geographic information system; geographical distribution prediction; biological climatic factor
PACS:
-
DOI:
10.11937/bfyy.201709042
Abstract:
This research studied the geographical distribution and climatic factors of Cymbidium ensifolium in China based on the theory of ecological niche model.The research established the suitable distribution area prediction model and analyzed the key climatic factors of Cymbidium ensifolium with geographic information system,based on maximum entropy model theory and existing domestic geographical distribution data of Cymbidium ensifolium in China.The results showed that ROC test,the training data AUC was 0.977,testing data AUC was 0.944,indicated the model had good accuracy in prediction,with high practical value.Jackknife test showed that the key biological climatic factors for potential distribution of Cymbidium ensifolium were mean temperature of coldest quarter,mean temperature of driest quarter,annual mean temperature,and precipitation of driest month.The major potential distribution areas of Cymbidium ensifolium in China were Nanling Mountains area located in northern Guangdong,northeastern Guangxi,and southern part of Jiangxi and Hunan,southern part of Wuyi Mountain located in northern Fujian and south of Lianhua Mountain in Guangdong.With the analysis of model data and predictions,the aim was to provide scientific advice and theoretical basis for the future research of germplasm resources protection,introduction and domestication and large-scale outdoor cultivation for Cymbidium ensifolium in China.

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Last Update: 2017-05-17