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Ecological Assessment of Fish Assemblage For East AL-Hammar Marshe , North of Basrah, Iraq by using Integrated Biological Index (IBI) | ||
| JOURNAL OF THI-QAR SCIENCE | ||
| Article 1, Volume 1, Issue 4, 2009, Pages 14-28 | ||
| Authors | ||
| AL-Shamary A.C.J; AL-Zawar J.K; AL-Zawar J.K | ||
| Abstract | ||
| The Present study was included the ecological assessment of–East Al-Hammar marsh the period November, 2006 to November, 2007, The samples were collected monthly for two stations study, Al-Nagarah and Burgah fifteen metrics were chosen to calculate Integrated Biological Index (IBI) depending on the following major categories The first category (species richness) is represented by the total number of native, alien and migrations. The second major category (fish species composition) includes seven metrics, the percent of individuals that are considered as sensitive native species (metric one) the second metric represents the percent of individuals of alien species. The percent of individuals that are considered as sensitive migration species was the third metric, while the forth metric was the percentage of tolerant species. The Fifth metric was the percent of individuals of Carassius auratus. The sixth metric represented by the percentage of Liza abu while seventh metric include the diversity index (H). The third major category included fifth of trophic guild metrics which is Composed of the percent of individuals that are considered as omnivores, carnivores, detrivores, herbivorous, and the native top predators. (IBI) values of Al-Hammar marsh of studying stations were evaluated to be impaired (<60). Throughout the study time, except December and May in the first station, June and July in the second station which evaluate to be marginally impaired 60-80 June, July, August, September in the first station and August, September in the second station, evaluated to be accepted (>80). | ||
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