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Diversity and Seasonal Variation of Water Birds in Tiffech Lake (Souk Ahras, Northeastern Algeria)
Abstract
The present study was conducted to analyzed species diversity and abundance of bird assemblages in Tiffech Lake, Northeastern Algeria for seven months (from October 2016 to May 2017). Twenty-one species of water birds were identified belonging to 11 families, out of which 13 species were passage visitors, 4 species were migrant winter, 2 species were Resident breeder and migratory breeder each. We have observed that the highest number of species (11 species) was found in autumn-winter months. The Mallard duck Anas platyrhychos was highly dominant species together accounting for more than 34.61% of water bird communities. We also found that environmental changes have affected water birds with some species increasing in numbers and others seesawing on the verge of local extinction. Hence, we suggest that regular monitoring of the site should be carried out so as to control changes in the state of wetland ecosystem.
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