Ecological Studies on Interspecific Relationships by Chemical Signals in Rocky Shore Ecosystem

岩岸生态系统中化学信号种间关系的生态学研究

• 批准号: 09306012
• 负责人: TANIGUCHI Kazuya
• 金额: $ 17.02万
• 依托单位: TOHOKU UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (A)
• 财政年份: 1997
• 资助国家: 日本
• 起止时间: 1997 至 1999
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-09306012/
• 关键词: Marine Algal Communities; Chemical Signals; Dictyotales; Herbivorous Animals; Life history; Marine Animal Communities; Chemical Defense; Feeding-Deterrent Activity; 海中林; 磯焼け; ウニ; アワビ; アラメ; 海藻; サンゴモ平原; 種間相互作用; テルペン

Feeding-deterrent activities of the acetone extracts from the brown algae Dictyopteris latiusucula, Zonaria diesingiana Padina arbo-ressens, P. minor, and P. japonica was tested on the abalone Haliotis discus hannai by the cellulose plate bioassay method.The neutral and acidic fraction of acetone extracts showed a marked feeding-deterrent activities in all species.The life history of the brown alga Dilophus okamurae which produced the nine diterpenes as an active feeding-deterrent compounds have been ascertained as follows : the sporophytes germed from zygotes in June and forms reduction divided tetraspores in next September of sixteen months after germination, and male and female gametophytes germed from tetraspores in November and formed gametes (eggs and sperms) in next May.The thirty seven species of benthic invertebrates inhabited the D. okamurae population.They were classified the three groups by seasonal variation of their densities and standing crops compared with seasonal variation of D. okamurae population standing crops : synchronize, independence and appearance of only juveniles.

采用纤维素板生物测定法对褐藻 Dictyopteris latiusucula、Zonaria diesingiana Padina arbo-ressens、P.minor 和 P.japonica 的丙酮提取物对鲍鱼皱纹盘鲍进行了拒食活性测试。丙酮提取物的中性和酸性部分在所有物种中均表现出明显的拒食活性。 褐藻 Dilophus okamurae 产生九种二萜作为活性阻食化合物，已确定如下：孢子体于 6 月从合子中萌发，并在萌发后 16 个月的次年 9 月形成还原分裂的四孢子，雄配子体和雌性配子体于 11 月从四孢子中萌发，并在接下来的 16 个月内形成配子（卵和精子）。 5月，D. okamurae种群中栖息着37种底栖无脊椎动物，根据其密度和常备作物的季节变化，与D. okamurae种群常备作物的季节变化进行比较，将它们分为三个类群：同步性、独立性和仅幼体的出现。

项目成果

野村宗弘ら: "内湾の水質浄化における海藻の役割"日本沿岸域学会論文集. 10. 125-136 (1998)

Munehiro Nomura 等人：“海藻在内湾水质净化中的作用”日本海岸带研究学会会议记录 10. 125-136 (1998)。

M.Sanoら: "Distribution of the sea urchin strongylocentrotus nudus in relationto marine algal zonation in the rockycoastal area of the Oshika Peninsula,northern,Japan." Benthos Research. 53(2). 79-87 (1998)

M. Sano 等人：“与日本北部大鹿半岛岩石海岸地区海洋藻类分布有关的海胆分布，底栖动物研究 79-87”。

K.Kurataら: "Diterpenoid feeding-deterrents from Laurencia saitoi"Phytochemistry. 47. 363-369 (1998)

K. Kurata 等人：“来自 Laurencia saioi 的二萜类摄食抑制物”植物化学 47. 363-369 (1998)。

谷口和也編著: "磯焼けの機構と藻場修復"恒星社厚生閣. 120 (1999)

谷口和哉主编：“岩石海岸烧毁和海藻床恢复的机制”《Seiseisha Koseikaku》120（1999）。

谷口和也: "磯焼けを海中林へ-岩礁生態系の世界-"裳華房. 196 (1998)

Kazuya Taniguchi：“从岩石海岸到水下森林 - 岩石珊瑚礁生态系统的世界”Shokabo 196 (1998)。