CALCULATION METHOD OF SURVIVAL RATES OF SHORT-NECKED CLAMS INHABITING ARTIFICIAL TIDAL FLATS USING DREDGED SOIL

Artificial tidal flats are constructed using dredged soil with high silt-clay content at port channels and anchorages, but the way of constructing as habitats of short-necked clam hasn’t been established. Experimental tidal flats were constructed in Ariake sea to investigate the positive effects of...

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Veröffentlicht in:Doboku Gakkai Ronbunshu. B3, Kaiyo Kaihatsu Ser. B3 (Ocean Engineering), 2019, Vol.75(2), pp.I_474-I_479
Hauptverfasser: HIRASAWA, Mitsunari, NAKAGAWA, Yasuyuki, ZEN, Kouki, HATTORI, Syunrou, IGATA, Hiromasa, HAMANO, Yoshiaki
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container_issue 2
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container_title Doboku Gakkai Ronbunshu. B3, Kaiyo Kaihatsu
container_volume 75
creator HIRASAWA, Mitsunari
NAKAGAWA, Yasuyuki
ZEN, Kouki
HATTORI, Syunrou
IGATA, Hiromasa
HAMANO, Yoshiaki
description Artificial tidal flats are constructed using dredged soil with high silt-clay content at port channels and anchorages, but the way of constructing as habitats of short-necked clam hasn’t been established. Experimental tidal flats were constructed in Ariake sea to investigate the positive effects of these habitats on short-necked clam populations. Temporal variations in survival rates could be estimated from the monthly total sulfide in the bottom sediments and the condition factor of clam.
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source Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Anchorages
artificial tidal flat
Bottom sediments
Clams
Clay
Clay soils
Condition factor
Dredging
Sediments
short-necked clam
Soil
Sulphides
Survival
survival rate
Temporal variations
Tidal flats
total sulfide
title CALCULATION METHOD OF SURVIVAL RATES OF SHORT-NECKED CLAMS INHABITING ARTIFICIAL TIDAL FLATS USING DREDGED SOIL
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