Potential Distribution of Meloidogyne Enterolobii Based on Niche Models
The root-knot nematode Meloidogyne enterolobii is one of the pernicious invasive nematodes.In order to accurately predict the potential distribution area of nematode root knot nematode in China,five ecological niche models were adopted:the maximum entropy model(Maxent),rule-based genetic algorithm(GARP),niche factor analysis model(ENFA),Bioclim(Bioclim)and Domain model were used to predict the potential habitat of this pathogen.In this study,five ecological niche models(Garp,Maxent,ENFA,Bioclim,and Domain)were introduced to generate ecological niche models to simulate its potential geographic distribution in China.2 statistical criteria of the area under the receiver operating characteristic curve(AUC)and kappa were calculated to evaluate the per-formance of the models.Meanwhile,environmental variables(ecogeographical determinants)were analyzed by the jackknife method to judge their influence on M.enterolobii.The results showed that Maxent has the best predic-tion performance,followed by Garp,ENFA,Bioclim,and Domain,which has the poorest performance.The results from the jackknife test indicated precipitation of the wettest quarter,precipitation of April,minimum temperature of the coldest season,precipitation of June,and precipitation of the coldest quarter were the five most critical en-vironmental variables affecting the distribution of M.enterolobii.The optimal model Maxent was used to predict that Meloidogyne enterolobii mainly gathered in Hainan,Guangdong,Guangxi,Fujian and other provinces in Chi-na,while Jiangxi,Hunan and other regions also included their potential distribution.These results provide valua-ble clues and emphasize the importance of strengthening the monitoring and early warning of the target otostoma root knot nematode.These results provide valuable clues and emphasize the importance of strengthening the mo-nitoring and early warning of Meloidogyne enterolobii.Through strengthening monitoring and early warning,it is better to prevent and control the spread and harm of Meloidogyne enterolobii,and protect the agricultural produc-tion and plant ecological security.This study provides a valuable reference for agricultural producers and plant protection workers to take targeted measures to reduce the potential threat of Meloidogyne enterolobii to crops.
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NSTL
万方数据
