書誌事項
- タイトル別名
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- Changes in organic loads on bottom sediments of aquaculture area in the Tanabe Bay
- タナベワン ノ ヨウギョジョウ スイイキ ニ オケル テイシツ ノ ユウキブツ フカ ノ スイイ
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[Abstract]Organic loads in surface sediments at four sampling stations in an aquaculture area were surveyed between 2012 and 2019. The overall average (±SD) AVS (Acid Volatile Sulfide) during survey period at the sampling station No.717 and No.718,the area with relatively high organic loads,were 0.78 ± 0.31 and 0.29 ± 0.14mgS/g dry sediment, respectively. On the other hand, the overall average AVS values in the station No.719 and No.720 were 0.21 ± 0.12 and 0.18 ± 0.12mgS/g dry sediment, respectively, indicating lower organic loads and relatively well-preserved environmental condition at these stations. Such differences in AVS values between the stations might have been attributed for geographical and environmental conditions of each site. Regardless of the AVS variability, the annual lowest values (values in every March) tended to decrease or were stable. This suggests that the conditions of the bottom sediment in these areas have been, at least, not deteriorated during the study period. Continuous monitoring and survey of organic loads are mandatory for the appropriate use of aquaculture sites as well as for the environmental management.
Departmental Bulletin Paper
application/pdf
収録刊行物
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- 近畿大学水産研究所報告
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近畿大学水産研究所報告 (20), 26-40, 2020-03-31
近畿大学水産研究所
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詳細情報 詳細情報について
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- CRID
- 1050565162987969920
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- NII論文ID
- 120006820888
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- NII書誌ID
- AN00379737
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- ISSN
- 09117628
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- NDL書誌ID
- 030312645
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- 本文言語コード
- ja
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- NDL
- CiNii Articles