1. Department of Biometry and Environmental System Analysis, University of Freiburg, Freiburg, Germany
2. Faculty of Geodesy and Geomatics Engineering, K.N. Toosi University of Technology, Tehran, Iran
3. Department of Remote Sensing, University of Würzburg, Würzburg, Germany
4. Chair of Remote Sensing and Landscape Information Systems, University of Freiburg,Freiburg, Germany
5. Chair of Wildlife Ecology and Management, University of Freiburg, Freiburg, Germany