Volume 10, Issue 1 (2022)
ECOPERSIA 2022, 10(1): 13-25 |
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Zare M, Ghorbani A, Moameri M, Piri Sahragard H, Mostafazadeh R, Dadjou F. Habitat Suitability of Dorema ammoniacum D. Don. Using Maximum Entropy and Logistic Regression Modeling in Central Region of Iran. ECOPERSIA 2022; 10 (1) :13-25
URL: http://ecopersia.modares.ac.ir/article-24-52371-en.html
URL: http://ecopersia.modares.ac.ir/article-24-52371-en.html
Mostafa Zare1 
, Ardavan Ghorbani * 2, Mehdi Moameri1 , Hosein Piri Sahragard3 , Raoof Mostafazadeh4 
, Farid Dadjou1
, Ardavan Ghorbani * 2, Mehdi Moameri1 , Hosein Piri Sahragard3 , Raoof Mostafazadeh4 , Farid Dadjou1
1- University of Mohaghegh Ardabili, Iran
2- University of Mohaghegh Ardabili ,a_ghorbani@uma.ac.ir
3- University of Zabol, Iran
4- Associate Professor, Department of Rangeland and Watershed Managemnt, University of Mohaghegh Ardabili, Iran
2- University of Mohaghegh Ardabili ,
3- University of Zabol, Iran
4- Associate Professor, Department of Rangeland and Watershed Managemnt, University of Mohaghegh Ardabili, Iran
Abstract: (1522 Views)
Aims The purpose of this study was to evaluate the competency of logistic regression (LR) and maximum entropy (MaxEnt) models to predict the distribution of Dorema ammoniacum D. Don. in rangeland habitats in the central region of Iran, Yazd province.
Materials & Methods The potential distribution map of Dorema ammoniacum D. Don. was prepared. The homogenous habitats were identified, and vegetation sampling was conducted using a systematic random method. The data including: soil (physical and chemical properties), physiographic (slope, aspect and altitude), and vegetation data (presence and absence) were used. Soil sampling was performed at two depths of 0-30, and 30-60 cm. The required maps were prepared using interpolation method. Statistics were taken from 90 plots along 9 transect both in the presence and absence area. Response curve and Jackknife test (for MaxEnt method) were employed to identify the most important environmental predictive factors. The kappa index was used to determine the agreement between the actual and predicted maps.
Findings The accuracy of predicted map was weak in LR Model (AUC= 0.65), but it was considerably high in the MaxEnt model (AUC=0.87). The agreement between the predicted map of MaxEnt model, and ground truths was very good (kappa=0.74), and the agreement between predicted map generated by LR with the ground-truths was medium (kappa=0.5).
Conclusion This plant has a limited ecological niche; therefore, the MaxEnt model could take precedence over the LR model because the only data it employs is the presence of the species.
Materials & Methods The potential distribution map of Dorema ammoniacum D. Don. was prepared. The homogenous habitats were identified, and vegetation sampling was conducted using a systematic random method. The data including: soil (physical and chemical properties), physiographic (slope, aspect and altitude), and vegetation data (presence and absence) were used. Soil sampling was performed at two depths of 0-30, and 30-60 cm. The required maps were prepared using interpolation method. Statistics were taken from 90 plots along 9 transect both in the presence and absence area. Response curve and Jackknife test (for MaxEnt method) were employed to identify the most important environmental predictive factors. The kappa index was used to determine the agreement between the actual and predicted maps.
Findings The accuracy of predicted map was weak in LR Model (AUC= 0.65), but it was considerably high in the MaxEnt model (AUC=0.87). The agreement between the predicted map of MaxEnt model, and ground truths was very good (kappa=0.74), and the agreement between predicted map generated by LR with the ground-truths was medium (kappa=0.5).
Conclusion This plant has a limited ecological niche; therefore, the MaxEnt model could take precedence over the LR model because the only data it employs is the presence of the species.
Article Type: Original Research |
Subject:
Terrestrial Ecosystems
Received: 2021/05/8 | Accepted: 2021/08/22 | Published: 2022/12/7
Received: 2021/05/8 | Accepted: 2021/08/22 | Published: 2022/12/7
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