Prediction of Potential Distribution of Prosopis Farcta L. in Marginal Rangelands of Niatak River of Sistan
The present study aimed at preparing the potential distribution map and identifiying the environmental requirement of Prosopis farcta L. using tree-based and regression methods in the marginal rangeland of Niatak river in Sistan region. For this purpose, species presence data was recorded randomly....
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| Format: | Article |
| Language: | fas |
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Iranian Scientific Association of Desert Management and Control (ISADMC)
2022-05-01
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| Series: | مدیریت بیابان |
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| Online Access: | http://www.jdmal.ir/article_251955_efaee2cb639d197d311304bb20c30867.pdf |
| _version_ | 1811161568811941888 |
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| author | Vahid Azimi Hossein Piri Sahragard Peyman Karami Morteza Saberi |
| author_facet | Vahid Azimi Hossein Piri Sahragard Peyman Karami Morteza Saberi |
| author_sort | Vahid Azimi |
| collection | DOAJ |
| description | The present study aimed at preparing the potential distribution map and identifiying the environmental requirement of Prosopis farcta L. using tree-based and regression methods in the marginal rangeland of Niatak river in Sistan region. For this purpose, species presence data was recorded randomly. Environmental variables were prepared using field sampling and digital elevation model. In order to achieve the pseudo-absence points, first habitat modeling was performed using the domain model, then pseudo-absence points were prepared using the prediction map obtained from this method. Species distribution modelling was conducted using random forest (RF), classification and regression trees (CART) and generalized additive model (GAM). The accuracy of the models used was evaluated using the area under curve criterion. Result showed that the RF with area under curve 0.98 has the highest accuracy. Generalized additive models and classification and regression trees were ranked after RF. The highest and lowest values of kappa index were assigned to the RF with 0.75, and GAM with 0.43 Kappa value. Accordingly, the RF model is the most accurate model in predicting the potential habitat distribution. Analysis of the variable’s importance showed that in the studied scale, edafic factors and distance from the river have greater effect on species distribution than other factors. So that, in all models used, acidity and electrical conductivity were identified as the most important variables. In general, it is suggested that habitat development plans for Prosopis farcta should be planned in the central and marginal parts of the Niatek river due to better suitability of these regions for species distribution. |
| first_indexed | 2024-04-10T06:16:31Z |
| format | Article |
| id | doaj.art-ab73323e01434000b10078d352cfe4fb |
| institution | Directory Open Access Journal |
| issn | 2476-3985 2476-3721 |
| language | fas |
| last_indexed | 2024-04-10T06:16:31Z |
| publishDate | 2022-05-01 |
| publisher | Iranian Scientific Association of Desert Management and Control (ISADMC) |
| record_format | Article |
| series | مدیریت بیابان |
| spelling | doaj.art-ab73323e01434000b10078d352cfe4fb2023-03-02T06:53:19ZfasIranian Scientific Association of Desert Management and Control (ISADMC)مدیریت بیابان2476-39852476-37212022-05-01101536610.22034/jdmal.2022.548628.1374251955Prediction of Potential Distribution of Prosopis Farcta L. in Marginal Rangelands of Niatak River of SistanVahid Azimi0Hossein Piri Sahragard1Peyman Karami2Morteza Saberi3MSc Graduated of Range management, Range and Watershed department, Water and Soil College, University of Zabol, Zabol, Iran.Associate professor, Soil and Water College, Range and Watershed Department, University of Zabol, Zabol, Iran.Ph D Graduated of environmental science, University of Malayer, Hamedan, Iran.Assistant professor, Soil and Water College, Range and Watershed Department, University of Zabol, Zabol, Iran.The present study aimed at preparing the potential distribution map and identifiying the environmental requirement of Prosopis farcta L. using tree-based and regression methods in the marginal rangeland of Niatak river in Sistan region. For this purpose, species presence data was recorded randomly. Environmental variables were prepared using field sampling and digital elevation model. In order to achieve the pseudo-absence points, first habitat modeling was performed using the domain model, then pseudo-absence points were prepared using the prediction map obtained from this method. Species distribution modelling was conducted using random forest (RF), classification and regression trees (CART) and generalized additive model (GAM). The accuracy of the models used was evaluated using the area under curve criterion. Result showed that the RF with area under curve 0.98 has the highest accuracy. Generalized additive models and classification and regression trees were ranked after RF. The highest and lowest values of kappa index were assigned to the RF with 0.75, and GAM with 0.43 Kappa value. Accordingly, the RF model is the most accurate model in predicting the potential habitat distribution. Analysis of the variable’s importance showed that in the studied scale, edafic factors and distance from the river have greater effect on species distribution than other factors. So that, in all models used, acidity and electrical conductivity were identified as the most important variables. In general, it is suggested that habitat development plans for Prosopis farcta should be planned in the central and marginal parts of the Niatek river due to better suitability of these regions for species distribution.http://www.jdmal.ir/article_251955_efaee2cb639d197d311304bb20c30867.pdfdistribution modelingthresholdrandom forestsoil propertiesdistance from the river |
| spellingShingle | Vahid Azimi Hossein Piri Sahragard Peyman Karami Morteza Saberi Prediction of Potential Distribution of Prosopis Farcta L. in Marginal Rangelands of Niatak River of Sistan مدیریت بیابان distribution modeling threshold random forest soil properties distance from the river |
| title | Prediction of Potential Distribution of Prosopis Farcta L. in Marginal Rangelands of Niatak River of Sistan |
| title_full | Prediction of Potential Distribution of Prosopis Farcta L. in Marginal Rangelands of Niatak River of Sistan |
| title_fullStr | Prediction of Potential Distribution of Prosopis Farcta L. in Marginal Rangelands of Niatak River of Sistan |
| title_full_unstemmed | Prediction of Potential Distribution of Prosopis Farcta L. in Marginal Rangelands of Niatak River of Sistan |
| title_short | Prediction of Potential Distribution of Prosopis Farcta L. in Marginal Rangelands of Niatak River of Sistan |
| title_sort | prediction of potential distribution of prosopis farcta l in marginal rangelands of niatak river of sistan |
| topic | distribution modeling threshold random forest soil properties distance from the river |
| url | http://www.jdmal.ir/article_251955_efaee2cb639d197d311304bb20c30867.pdf |
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