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On the resource of white-spotted conger Astroconger myriaster (Brevoort) in Tokyo bay [Japan], 1: The state of fisheries and the preliminary report for resource management
| Content Provider | Semantic Scholar |
|---|---|
| Author | Shimizu, Tadashi |
| Copyright Year | 1996 |
| Abstract | The resource of white-spotted conger, Astroconger myriaster (Brevoort) ,has been very important ones in TokyoBay fisheries. They are now exploited mainly by baited trap, called Anago-tsutsu, and landed about 1,000t per yearby Kanagawa prefecturalfishermen. So the exploitation rate for this speciesis estimated very high, that the makings of the resource management plans without delay are indispensable. The baited traps catch congers very efficiently,many small size congers inhibited landing are caught among the big. These small size congers are considered to grow commercial size in next year. Therefor ,the keeping from the catch of these small congers are initially indispensable for the resource management. The baited traps are made from bynyl-chloride pipe, 10cm diameter and 80cmlength, have many draining holes on side. The author examined the effects of the diameter of draining holes on the size of congers caught. The bigger became the diameter, the bigger became the size of congers caught. The regressions between the diameter and the size of congers were not calculated yet, but it was considered that these regressions could be applied for the resource management on the conger fisheries. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.pref.kanagawa.jp/docs/mx7/cnt/f430694/documents/500066.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
