تعیین آستانه‏‏ های بهره‏ برداری پایدار از اکوسیستم‌های مرتعی با تلفیق تکنیک‌های سنجش از دوری و شاخص‌های هواشناسی (مطالعۀ موردی حوضۀ آبریز رودخانۀ کرج)

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