Open Access Research Paper Views (946) Environmental and vertical distribution study of zooplankton in Al-Diwaniyah River, Iraq Khitam A. Merhoon, Muhanned R. Nashaat, Foad M. Alkam J. Biodiv. & Environ. Sci. 10(6), 217-228, June 2017. Keywords: Physical and chemical properties, Vertical migration, Zooplankton Details