WEKO3
アイテム
Importance of controlling community structure of living organisms in intensive shrimp culture ponds
https://doi.org/10.15083/00040756
https://doi.org/10.15083/000407567d3b1f59-882b-4013-bd61-0e2ac956af5e
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
KJ00004354587.pdf (912.6 kB)
|
|
| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2007-04-05 | |||||
| タイトル | ||||||
| タイトル | Importance of controlling community structure of living organisms in intensive shrimp culture ponds | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Community structure | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | shrimp pond | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | water quality | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | sediment quality | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | departmental bulletin paper | |||||
| ID登録 | ||||||
| ID登録 | 10.15083/00040756 | |||||
| ID登録タイプ | JaLC | |||||
| 著者 |
Songsangjinda, Putth
× Songsangjinda, Putth× Yamamoto, Tamiji× Fukami, Kimio× Kaewtawee, Teeyaporn |
|||||
| 著者所属 | ||||||
| 値 | Coastal Aquaculture Research Institute, Department of Fisheries | |||||
| 著者所属 | ||||||
| 値 | Graduate School of Biosphere Sciences, Hiroshima University | |||||
| 著者所属 | ||||||
| 値 | Laboratory of Environmental Conservation, Graduate School of Kuroshio Science (GRAKUS), Kochi University | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Effects of nutrient load from feeds on shrimp production was investigated in two intensive shrimp ponds (A6 and D2) in terms of eutrophication process and changes in community structure of living organisms in the ponds. Our results found that, although feeding was not much different, a practice for A6 was failed regarding shrimp production (48kg/pond), while that for D2 was successful producing 946kg/pond. Chlorophyll a concentrations varied within the range of 10.3-108μg/l in A6 and 16-266μg/l in D2, indicating that the eutrophication status in D2 was higher than in A6. Water quality parameter indicated low concentration of dissolved phosphorus in A6 probably due to the DOP sink to the bottom sediment of high N/P ratio at the beginning which resulted in decrease of N/P ratio of sediment and deficiency of P (high N/P ratio) in water column that disfavored by phytoplankton. The concentrations of N and P were gradually increased in D2 resulting in lowering of N/P ratio to close to the Redfield ratio and the correspondence increasing of phytoplankton biomass and community succession. The appearance of Noctiluca for almost 2 months during the middle period of shrimp culture was also the possible cause of stress to shrimps and resulting in low production in A6. The success of production in D2 may relate to the appearance of Oscillatoria that was the successive group after short appearance of Gymnodinium may imply nitrogen fixation occurring during the end of culture. In addition, our results may indicate the present of nano-phytoplankton that contributed to the high chlorophyll a concentration during the last period of shrimp culture. The importance of controlling community of living organisms and some countermeasures were discussed in this paper. | |||||
| 書誌情報 |
Coastal marine science 巻 30, 号 1, p. 91-99, 発行日 2006-04-28 |
|||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 13493000 | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AA11957899 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 日本十進分類法 | ||||||
| 主題Scheme | NDC | |||||
| 主題 | 452 | |||||
| 出版者 | ||||||
| 出版者 | International Coastal Research Center, Ocean Research Institute, the University of Tokyo | |||||
| 出版者別名 | ||||||
| 値 | 東京大学海洋研究所国際沿岸海洋研究センター | |||||
