THE INTERACTIVE EFFECT OF WATER-BORNE CADMIUM AND ENVIRONMENTAL HYPOXIA ON COMMON CARP (CYPRINUS CARPIO) METABOLISM

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MALEKPOURI P.; PEYGHAN R.; MAHBOOBI SOOFIANI N.; HERBERT N.; MOHAMMADIAN B.

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Journal: Iranian Scientific Fisheries Journal Year:2016 | Volume:24 | Issue:4 Page(s): 87-101

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Title

THE INTERACTIVE EFFECT OF WATER-BORNE CADMIUM AND ENVIRONMENTAL HYPOXIA ON COMMON CARP (CYPRINUS CARPIO) METABOLISM

Author(s)

Keywords

HEAVY METALSQ2

HYPOXIAQ2

OXYGEN CONSUMPTIONQ2

AEROBIC SCOPEQ3

CYPRINUS CARPIOQ3

Abstract

Regarding to the tight association between aquatic HYPOXIA and heavy metal contaminations in one hand and the role of both parameters on fish respiration, metabolism of carp could be assessed under single and mutual exposures to HYPOXIA and cadmium. Following measuring LC50-96h of cadmium (43.679 mg/l) for this species, 80 common carp were exposed to 10 different treatments, including control, acute (43.68 mg/l), sub-lethal (21.84 mg/l) and chronic (4.37 mg/l) cadmium as well as HYPOXIA for immediately (20% of saturation), 24h (40%) and 7 days (60%), and joint exposure of each similar treatment. By using of respirometer technique, we measured OXYGEN CONSUMPTION rate in different time spans to calculate each individual standard metabolic rate (SMR), maximum metabolic rate (MMR), AEROBIC SCOPE (AS), factorial AEROBIC SCOPE (FAS) and critical oxygen tension (PCrit). Obtained data show that acute and sub-lethal cadmium treatments led to significant (P<0.05) increases in all metabolic indices in comparison with control group whilst the MMR and AS have been reduced (P<0.05) following HYPOXIA treatments. Combined treatments of HYPOXIA and cadmium led to reduce SMR and PCrit in all treatments and MMR, AS and FAS only in acute and sub-lethal treatments. In overall, HYPOXIA can act as a limiting stressor in carp while cadmium can account as a loading stressor.

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APA: Copy

MALEKPOURI, P., PEYGHAN, R., MAHBOOBI SOOFIANI, N., HERBERT, N., & MOHAMMADIAN, B.. (2016). THE INTERACTIVE EFFECT OF WATER-BORNE CADMIUM AND ENVIRONMENTAL HYPOXIA ON COMMON CARP (CYPRINUS CARPIO) METABOLISM. IRANIAN SCIENTIFIC FISHERIES JOURNAL, 24(4), 87-101. SID. https://sid.ir/paper/4551/en

Vancouver: Copy

MALEKPOURI P., PEYGHAN R., MAHBOOBI SOOFIANI N., HERBERT N., MOHAMMADIAN B.. THE INTERACTIVE EFFECT OF WATER-BORNE CADMIUM AND ENVIRONMENTAL HYPOXIA ON COMMON CARP (CYPRINUS CARPIO) METABOLISM. IRANIAN SCIENTIFIC FISHERIES JOURNAL[Internet]. 2016;24(4):87-101. Available from: https://sid.ir/paper/4551/en

IEEE: Copy

P. MALEKPOURI, R. PEYGHAN, N. MAHBOOBI SOOFIANI, N. HERBERT, and B. MOHAMMADIAN, “THE INTERACTIVE EFFECT OF WATER-BORNE CADMIUM AND ENVIRONMENTAL HYPOXIA ON COMMON CARP (CYPRINUS CARPIO) METABOLISM,” IRANIAN SCIENTIFIC FISHERIES JOURNAL, vol. 24, no. 4, pp. 87–101, 2016, [Online]. Available: https://sid.ir/paper/4551/en

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