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Iranian Journal of Fisheries Sciences، جلد ۱۵، شماره ۱، صفحات ۵۳-۷۴
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عنوان انگلیسی Productivity, biochemical composition and biofiltering performance of agarophytic seaweed, Gelidium elegans (Red algae) grown in shrimp hatchery effluents in Malaysia
چکیده انگلیسی مقاله Aquaculture systems may release large amounts of nutrients into the marine ecosystem that can lead to eutrophication. Many seaweed species are efficient in reducing the nutrient concentration in aquaculture waste. In this study, the agarophyte Gelidium elegans originating from Korea was investigated for bioremediation of tiger shrimp (Penaeus monodon) broodstock effluent (SBE) in a shrimp hatchery in Malaysia. The G. elegans was cultivated in SBE using a semi-continuous culture system to evaluate the effects of elevated nutrients on the biomass, growth rate, quality and quantity of agar, pigment content and biochemical composition of seaweed. In the treatment containing G. elegans, pollutant nutrient concentration was reduced by 100%, and by 78.7%, 47.9%, and 19.6% for ammoniacal-nitrogen, nitrite, nitrate, and orthophosphate, respectively. The seaweed grew well (1.4 ±0.3% d-1) in SBE and produced appreciable amounts of protein (3.8% DW), carbohydrate (41.4 % DW) and agar (25.9% DW), that were significantly enhanced when cultured in the SBE compared to control. The photosynthetic performance of G. elegans assessment using a Diving-PAM showed the healthy condition of the grown seaweed without any indication of stress in shrimp hatchery effluent. Results showed that G. elegans has biofiltering and bioremediation potential for the shrimp hatchery effluent.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله r ربیعی | r rabiei


سید محمد phang | s m phang


p e لیم | p e lim


a صالح | a salleh


j سهرابی پور | j sohrabipour


d اژدری | d ajdari


غلامعلی زرشناس | g a zarshenas


نشانی اینترنتی http://www.jifro.ir/browse.php?a_code=A-10-1204-2&slc_lang=en&sid=en
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده aquaculture
نوع مقاله منتشر شده پژوهشی
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