FIELD OBSERVATION OF RIVER MOUTH BARS IN NAKATSU TIDAL FLAT IN VEIW OF APTITUDE OF SPAWNING SITE OF HORSESHOE CRAB TACHYPLEUS TRIDENTATUS

FIELD OBSERVATION OF RIVER MOUTH BARS IN NAKATSU TIDAL FLAT IN VEIW OF APTITUDE OF SPAWNING SITE OF HORSESHOE CRAB TACHYPLEUS TRIDENTATUS

Field observations of the river mouth bars in Nakatsu tidal flat were carried out in view of aptitude of spawning site of horseshoe crab Tachypleus tridentatus. Seven locations were selected based on the topographic features relevant to spawning site. Out of these locations, larval horseshoe crab wa...

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Veröffentlicht in:PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEAN 2001, Vol.17, pp.375-380
Hauptverfasser: SEINO, Satoquo, UDA, Takaaki, SHIOZAKI, Masataka, GOTO, Takashi, KUROKI, Toshiyuki, NAKAMURA, Toshiyuki
Format: Artikel
Sprache:eng
Schlagworte:
field observation
Horseshoe crab
river mouth bar
spawning site
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Zusammenfassung:Field observations of the river mouth bars in Nakatsu tidal flat were carried out in view of aptitude of spawning site of horseshoe crab Tachypleus tridentatus. Seven locations were selected based on the topographic features relevant to spawning site. Out of these locations, larval horseshoe crab was found around the Kakise and Maite river mouth bars. Topographic features of each river mouth were summarized. Preservation of river mouth bar is necessary for the protection of rare species.
ISSN:0912-7348
1884-8265
DOI:10.2208/prooe.17.375