Effects of fish farming on the biological and geochemical properties of muddy and sandy sediments in the Mediterranean Sea |
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| Institution: | 1. Inonu University, Faculty of Medicine, Department of General Surgery, Malatya, Turkey;2. Inonu University, School of Medicine, Department of General Surgery, Malatya, Turkey;1. Environmental Research and Management Center, Hiroshima University, 1-5-3 Kagamiyama, Higashi-hiroshima, Hiroshima, 739-8513, Japan;2. AZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Herrera Kaia Portualdea S/n, 20100, Pasaia, Spain;3. IDEA Consultants, Inc., 1334-5 Riemon, Yaizu, Shizuoka 421-0212, Japan;4. Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8527, Japan;5. King Abdulaziz University, Faculty of Marine Sciences, Jeddah, Saudi Arabia |
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| Abstract: | The aim of this paper was to test how benthic fauna and biogeochemical properties of sediment will vary in response to similar levels of organic enrichment (induced by fish farming) as a function of bottom-habitat type (i.e., mud versus seagrass/coarse sediments), distance from the enrichment source and depth. Our results showed that samples from silty sediments in the vicinity of fish farms have higher TOC and TON values, higher oxygen consumption, higher PO4 release and lower benthic diversity. In this context muddy sites are more likely to be identified as impacted/critical, than coarse sediment ones. |
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