مقارنة لبعض الخصائص البيئية لمياه منطقتي كرمة علي (نهر خرطراد)‎ و حرير (شرق هور الحمار)‎ بصرة

الملخص EN

A total of 33 samples of water were collected seasonally from October, 2011 to August, 2012 from two regions: Garmat Ali (Kharatrad river) and Harrier (East Al-Hammar marsh).

The obtained results demonstrated the following items: The highest values of temperature (24.36 ºC), salinity (6.02 ppt) and biological oxygen demand (BOD) (5.59 mg/l) were found in Garmat Ali region with a significant differences from that of Harrier region.

The values of temperature, salinity and biological oxygen demand of Harrier region were 22.07 ºC, 3.56 ppt and 2.08 mg/l respectively.

The highest value of dissolved oxygen (DO) (7.78 mg/l) was in Harrier region with a significant difference from that of Garmat Ali region (6.67 mg/l).

There was no a significant difference in pH value between the Garmat Ali and Harrier regions.

The highest values of temperature (29.37 ºC), pH (7.78) and biological oxygen demand (4.42 mg/l) were found in Summer with a significant differences from that of other seasons.

The exception was in pH value (7.70) of Autumn with no a significant difference.

The highest values of salinity (6.89 ppt) and dissolved oxygen (7.50 mg/l) were found in Autumn and Winter respectively with a significant differences from that of other seasons.

The lowest values of temperature (16.73 ºC), salinity (3.47 ppt) and biological oxygen demand (3.13 mg/l) were found in Winter.

Whereas, the lowest values of pH (7.46) and dissolved oxygen (7.10 mg/l) were found in Spring and Autumn respectively.