Effects Of Land-Based Trout Farms On The Benthis Macroinvertebrate Community In A Turkish Brook

Date
2004
Authors
Kırkagaç, Mine Uzbliek
Pulatsü, Serap
Köksal, Gülten
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Israeli Journal of Aquaculture - BAMIGDEH
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Abstract
Benthic macroinvertebrates and physico-chemical parameters were surveyed at the source of the Karasu Brook in Bozüyük, Bilecik Province, Turkey, and at the inlets and outlets of five rainbow trout farms that use the brook water and discharge effluents into it. The dissolved oxygen, pH, ammonia-nitrogen, nitrite-nitrogen, nitrate-nitrogen and total phosphorus in the farm effluents were within effluent standards for trout farming in different countries. The macroinvertebrate community in the brook consisted of Mollusca, Gastropoda (Physidae, Limnaedae, Planorbidae, Neritidae), Bivalvia (Spharidae), Annelidae, Oligochaeta (Tubificidae), Hirudinea (Glos- siphonidae, Erpobdellidae), Arthropoda, Insecta (Chironomidae, Ephemerellidae) and Crustacea (Gammaridae, Asellidae). Tubificidae and Chironomidae were generally observed in all sampling stations; the highest abundance was in the inlets and outlets of the two farms nearest the source. The most common measures of biodiversity, i.e., richness, Simpson’s index, Shannon-Wiener index and evenness, were used during the year-long study.
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benthic macroinvertebrate, diversity indices, fish farm effluents, rainbow trout (Oncorhynchus mykiss)
Citation
Kirkagaç, M.U., Pulatsü, S., & Köksal, G. (2004). Effects Of Land-Based Trout Farms On The Benthis Macroinvertebrate Community In A Turkish Brook. The Israeli Journal of Aquaculture - Bamidgeh, 56(1), 59-67.
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9 pages
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