| 大连紫海胆食性的初步探讨 |
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| 引用本文： | 高绪生,孙勉英,李国友,李世英.大连紫海胆食性的初步探讨[J].水产学报,1990,14(3):227-232. |
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| 作者姓名： | 高绪生 孙勉英 李国友 李世英 |
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| 作者单位： | 辽宁省海洋水产研究所 大连
(高绪生，孙勉英，李国友)，辽宁省海洋水产研究所 大连(李世英) |
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| 摘 要： | 大连紫海胆成体在自然海区摄食的饵料,包括多种大型海藻类、底栖硅藻类、某些小型贝类及有机碎屑等,其中以海带、石莼等海藻类为主。调查与试验结果还表明,成海胆摄食的饵料与其生活水域的饵料生物种类有关。当饵料生物丰富时,成海胆对饵料的摄食有一定的选择性。对绿藻,红藻、褐藻这三大类海藻,其选择率的大小依次为褐藻、红藻、绿藻。褐藻中以对裙带菜、海带等最为嗜食;红藻中嗜食角叉藻、石花菜;绿藻中嗜食石莼、浒苔等。对于某些动物性饵料,如鱼和贝类的碎肉等,成海胆也有良好的摄食习性。因而,成海胆的食性应属杂食性。
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| 关 键 词： | 大连紫海胆 食性 海藻 动物性饵料 选择性 杂食性 |
| 收稿时间： | 8/1/1989 12:00:00 AM |
| 修稿时间： | 3/1/1990 12:00:00 AM |
PRELIMINARY STUDY ON FEEDING HABITS OF PURPLE SEA URCHIN STRONGYLOCET ROTUS NUDUS |
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| Gao Xusheng,Sun Mianying,Li Guoyou and Li Shiying.PRELIMINARY STUDY ON FEEDING HABITS OF PURPLE SEA URCHIN STRONGYLOCET ROTUS NUDUS[J].Journal of Fisheries of China,1990,14(3):227-232. |
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| Authors: | Gao Xusheng Sun Mianying Li Guoyou and Li Shiying |
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| Institution: | Marine Fisheries Research Institute of Liaoning Province, Dalian;Marine Fisheries Research Institute of Liaoning Province, Dalian;Marine Fisheries Research Institute of Liaoning Province, Dalian;Marine Fisheries Research Institute of Liaoning Province, Dalian |
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| Abstract: | The feeding habits of the purple sea urchin around the coast ofDalian was investigated. The results show that mature sea urchin in natural seaarea mainly feed on algae and small animals, among which Laminaria japonica andUlva pertusa occur frequently. The food taken by sea urchin is greatly related totheir living surroundings. If food is rich, the urchin will make its choice. The pre-ferential order about algae are Undaria and Laminaria in Phaeophyta, Chondrus andGelaclium in Rhodophyte and Ulva and Enteromorpha in Chlorophyta. Some animalfood are also taken by the sea urchin, Therefore the feeding habits of S. nudus isomnivorous. |
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| Keywords: | sea urchin (Strongylocetrotus nudus) feeding habits algae animal food choice omnivorous |
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