查詢結果分析
來源資料
相關文獻
- A Preliminary Assessment of the Nutritive Value of the Sediment Across the Continental Shelf North off Taiwan
- 苗栗地區打鹿砂層的沈積環境與地層架構
- 濁水溪扇州及鄰近地區之沈積物分布與沈積環境
- 高雄地區的沈積環境
- 木山層的沈積相與沈積序列變化
- 鐵通地區打鹿砂層沈積環境和地層封閉
- 出磺坑剖面中新統的岩相與沈積環境
- 沈積環境對生油岩及油氣性質的影響
- 油氣中C乣成份在臺灣西部油氣探勘的應用
- Depositional Environments of the Upper Miocene to Pleistocene Series in the Chungpu Area, Chiayi, Taiwan
頁籤選單縮合
題 名 | A Preliminary Assessment of the Nutritive Value of the Sediment Across the Continental Shelf North off Taiwan=橫跨臺灣北部海域大陸棚之沈積物養分之初探研究 |
---|---|
作 者 | 程一駿; 蔡政翰; | 書刊名 | 臺灣水產學會刊 |
卷 期 | 21:4 1994.12[民83.12] |
頁 次 | 頁323-338 |
分類號 | 351.983 |
關鍵詞 | 沈積環境; 大型底棲動物群集; 有機養分; 總有機質; 可利用蛋白質含量; 底棲--浮游聯結; Sedimentary environment; Macrobenthos assemblages; Organic nutrients; Total organic matter; Bioavailable protein contents; Benthic-pelagic coupling; |
語 文 | 英文(English) |
中文摘要 | 從橫跨臺灣北部海域大陸棚及陸坡上取10個測站,測量沈積物中之底棲大型動物 之群落組成、顆粒特性及及化學性質。根據沈積物之顆粒大小之分佈,我們可以將研究區分 成陸棚內側及陸坡上層之高有機質含量、低水文能量之沈積區,陸棚內側之低有機質含量、 高水文能量之非沈積區,以及陸棚中部細砂及泥質混合之較低水文能量的混合區。沈積物之 總有機質含量與細砂含量間存在一正向關係,而沈積物之碳和氮比例隨著有機氮含量之增加 而減少。大型底棲動物之密度及種類豐富度以陸棚外側之可利用蛋白質含量的地區最高。從 地區性的水文環境的判斷,我們提出了一個只有由終年性的湧升流所形成的強烈底棲—浮游 聯結,方能解釋大量底棲群落聚集於顆粒粗之非沈積環境中的現象。 |
英文摘要 | Sediments from 10 stations across the continental shelf north off Taiwan were sampled, and their macrobenthos assemblages, physical characteristics, and chemical properties were studied. Based on the grain size distribution, the study area was divided into 1) the inner shelf and upper slope of high organic contents low energetic depositional environment, 2) the outer shelf of low organic contents but high energetic, non-depositional environment, and 3) the middle shelf of fine sand and mud dominated, mild energetic, mixed environment. There was a positive relationship between the organic contents and the fine grain contents of the sediments. The C:N ratio increased with the decrease in organic nitrogen contents. Both the macrobenthos density and the number of species were found to be higher in the outer shelf region where the sediment contained high bioavailable protein. According to the local hydrodynamic environment, benthie-pelagic coupling resulted from a year-round upwelling is apparently the major cause of large macrobenthos assemblages in the coarse grain, non-depositional sediments in the outer shelf region. |
本系統中英文摘要資訊取自各篇刊載內容。