animal biosystematic
Masoud Yousefi; Seyyed Saeed Hosseinian Yousefkhani; Anooshe Kafash; Mahdi Rajabizadeh; mohammad moradpour; Eskandar Rastegar Pouyani
Abstract
Background: Snakebite is a global health problem and important conservation challenge. Knowing where snakebite risk is highest can help snakebite management. But climate change is altering snakebite risk pattern making its management more difficult and complicated.
Methods: In this study we used Echis ...
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Background: Snakebite is a global health problem and important conservation challenge. Knowing where snakebite risk is highest can help snakebite management. But climate change is altering snakebite risk pattern making its management more difficult and complicated.
Methods: In this study we used Echis carinatus’ habitat suitability as an indicator of snakebite risk, under current and future climatic conditions. We applied an ensemble of five distribution modelling methods (Generalized linear models (GLMs), Generalized additive models (GAMs), Generalized boosted models (GBMs), Maximum entropy modelling (Maxent) and Random Forest (RF)) to model the species habitat suitability. In addition, we identified villages that are at risk of envenoming form the species under current and future climate.
Results: Results showed that the species suitable habitat will increase under climate change as consequence number of villages at risk will increase from 70247 to 82881 putting more human population at risk of envenoming.
Conclusion: High snakebite risk areas identified in this study are high priority target areas for awareness raising program and antivenom distribution. This study demonstrates usefulness of habitat suitability modeling in identifying high snakebite risk area in Iran.
sayyad shaykhi; M Yousefi; E Rastegar Pouyani; V Zamani
Volume 3, Issue 1 , January 2015, , Pages 39-48
Abstract
Motacilla alba has three subspecies in Iran including M.a. personata, M.a. persica and M. a. dukhunensis. There is some evidence to support hybridization The among these subspecies. In this study, morphological differences between two subspecies of White Wagtail in Iran including M.a.personata and M.a.persica. ...
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Motacilla alba has three subspecies in Iran including M.a. personata, M.a. persica and M. a. dukhunensis. There is some evidence to support hybridization The among these subspecies. In this study, morphological differences between two subspecies of White Wagtail in Iran including M.a.personata and M.a.persica. were investigate For this purpose, 17 specimens were collected from South and North East of Iran during the spring and summer of 2011. Then seven primary variables were and six calculated ratios for comparison in multivariate analyses using Past program measured . Also coloration of head, forehead, crown and throat between to subspecies Were Compared. T test revealed that five characteristics were significantly different between two subspecies (P
