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湛江港浒苦、礁膜生态调查及初步采苗研究

AN ECOLOGICAL INVESTIGATION AND A PRELIMINARY TEST ON SEEDING AND CULTIVATING OF Enteromorpha AND Monostroma IN ZHANJIANG PORT
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摘要 报导了1994~1995年春在湛江港进行浒苔、礁膜的生态调查。每月在湛江港的特呈岛东北角及南三岛湖村两个海区插竹签观察幼苗附着及藻体的消长情况。发现4月份大部份藻体成熟,并放散孢子。5月份藻体逐渐消失。6月底竹签上出现极小的幼苗,7、8、9三个月幼苗生长缓慢,10月份幼苗生长加快,11月份藻体长达3~5cm,12、1、2月份生长最茂盛。11月份又在两海区各安放一个100×100cm的维尼纶网片,12月份附着一定数量的幼苗,生长迅速.2月份长达10cm以上。3月份收获,特呈岛海区为116g/m2干品,南三岛海区为125g/m2干品。初步结论:采天然苗生产应该在11月份进行。 From 1994 to early 1995, an ecological investigation of Enteromorpha and Monostroma was carried out in the waters of Techeng Island and Nansan Island, Zhanjiang. A Preliminary test on collectin wide seedlings and artificial cultivation was also done. It shown that most of these seaweeds are mature and spreading spores in April. Then they gradually die away in May. Wide seedlings emerge at the end of June, but the growth is slow during July, August and September. The growth becomes quicker in October. In November, the seedling reache 3-5cm long and in December, January and February, the growth is luxuriant. So it is clear that the growth is mostly affected by water temperature. In November,another test on collecting and cultivating wide seedlings was carried out in the waters mentioned above. 100 ×100cm vinylon net pieces were put in the sea. Seedlings were seen attaching on the net in February. Harvest was done in March. The yield was 116g (dried) per m2 from Tccheng sea area and 125g (dried) per m2 from Nansan sea area. The preliminary reault is that collection of wide seedlings should be carried out in November.
出处 《湛江水产学院学报》 CAS 1996年第1期9-11,共3页
关键词 湛江港 浒苔 礁膜 生态调查 采苗 Zhanjing Port Entermopha Monostroma Ecological investigation Seedling collection and Cultivation
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