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Kianersi, F., Shirmohammadi, M., Houshmand, H., Mazravi, M., Banitorfizadegan, J., Owfi, F.. (1404). Ecological status assessment of Musa Estuary using macrobenthos and biotic indices (Persian Gulf, Iran). سامانه مدیریت نشریات علمی, 24(5), 1187-1203. doi: 10.22092/ijfs.2025.134261
F. Kianersi; M. Shirmohammadi; H. Houshmand; M. Mazravi; J. Banitorfizadegan; F. Owfi. "Ecological status assessment of Musa Estuary using macrobenthos and biotic indices (Persian Gulf, Iran)". سامانه مدیریت نشریات علمی, 24, 5, 1404, 1187-1203. doi: 10.22092/ijfs.2025.134261
Kianersi, F., Shirmohammadi, M., Houshmand, H., Mazravi, M., Banitorfizadegan, J., Owfi, F.. (1404). 'Ecological status assessment of Musa Estuary using macrobenthos and biotic indices (Persian Gulf, Iran)', سامانه مدیریت نشریات علمی, 24(5), pp. 1187-1203. doi: 10.22092/ijfs.2025.134261
Kianersi, F., Shirmohammadi, M., Houshmand, H., Mazravi, M., Banitorfizadegan, J., Owfi, F.. Ecological status assessment of Musa Estuary using macrobenthos and biotic indices (Persian Gulf, Iran). سامانه مدیریت نشریات علمی, 1404; 24(5): 1187-1203. doi: 10.22092/ijfs.2025.134261

Ecological status assessment of Musa Estuary using macrobenthos and biotic indices (Persian Gulf, Iran)

Iranian Journal of Fisheries Sciences
دوره 24، شماره 5، آذر 2025، صفحه 1187-1203    اصل مقاله (666.54 K)
شناسه دیجیتال (DOI): 10.22092/ijfs.2025.134261
نویسندگان
F. Kianersi* 1؛ M. Shirmohammadi1؛ H. Houshmand1؛ M. Mazravi1؛ J. Banitorfizadegan1؛ F. Owfi2
1Aquaculture Research Center -South of Iran, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Ahvaz, Iran
2Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran
چکیده
Macrobenthos are a key ecosystem indicator and are sensitive to changes in sediments. This study evaluated the ecological status of the Musa estuary located in the northwestern part of the Persian Gulf (Iran) by analyzing macrobenthic community structure and applying biotic indices. The sediment and water samples were collected from six creeks during the summer and winter of 2024 using a Peterson grab and Nansen bottle, respectively. The sediment grain size, total organic matter (TOM), and macrobenthic composition were analyzed. Concurrently, bottom-water physicochemical parameters, including salinity, temperature, pH, and dissolved oxygen concentrations, were measured to assess their potential influence on benthic habitat characteristics. The ecological indices, including AZTI's Marine Biotic Index (AMBI), Benthic Opportunistic Polychaetes Amphipods Index (BOPA), Shannon, Margalef, Pielou, and Simpson, were calculated to evaluate ecological quality. Seventy taxa from seven phyla were identified, with Annelida dominating (69.62%), notably Melinna sp. and Capitella sp. Jafari Creek exhibited the highest macrobenthic density in summer, while Odeleh Creek peaked in winter. Jafari Creek also showed the highest Shannon and Margalef diversity indices across seasons. AMBI and BOPA indicated predominantly unpolluted to slightly polluted conditions, except Ghazaleh Creek, which displayed moderate to severe pollution in winter. TOM positively correlated with the benthic abundance and diversity. Findings suggest that Musa estuary’s ecological status is influenced by natural dynamics and anthropogenic pressures. The study underscores the importance of integrating multiple indices for robust ecosystem assessment.
کلیدواژه‌ها
AMBI؛ BOPA؛ Diversity indices؛ Macrobenthos؛ Musa estuary؛ Persian Gulf
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