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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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海水养虾池细菌数量动态及细菌生产力的研究
, PP. 340-344
Keywords: 海水养虾池,细菌,数量动态,生产力
Abstract:
对5个海水养虾池细菌数量动态及细菌生产力的研究结果表明:水层细菌数在不同试验池及同一池塘不同采样时间均呈现较大波动.细菌密度在底水层明显高于表水层,且同一虾池细菌密度在水平分布上极具不均匀性.底泥中细菌数在采样期稳定增加并与底泥中有机物含量呈现显著正相关,随着泥层加厚,细菌密度呈v型分布,最大密度出现在表层1cm之内,2cm以下泥层,细菌密度明显减小原位(in-situ)实验测定所得虾池细菌生产力ρa(c)？t-1＝86.10～343.25mg？m-2？d-1,是浮游植物初级生产力的10%～19%
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