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Decrease of Abalone Resources with Disappearance of Macroalgal Beds Around the Ojika Islands, Nagasaki, Southwestern Japan
ABSTRACT Because abalone feed mainly on macroalgae, the disappearance of macroalgal beds would have negative effects on abalone. We investigated the relationship between abalone resources andExpand
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Seasonal changes in dietary composition of the herbivorous fish Kyphosus bigibbus in southwestern Japan
AbstractKyphosus bigibbus is an herbivorous fish, and its relatively large body size and schooling behavior may have a significant effect on macroalgae in southwestern Japan. However, the feedingExpand
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On the Fourth Diadema Species (Diadema-sp) from Japan
Four long-spined sea urchin species in the genus Diadema are known to occur around the Japanese Archipelago. Three species (D. savignyi, D. setosum, and D. paucispinum) are widely distributed in theExpand
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DNA barcoding and morphological analyses revealed validity of Diadema clarki Ikeda, 1939 (Echinodermata, Echinoidea, Diadematidae)
Abstract A long-spined sea urchin Diadema-sp reported from Japanese waters was genetically distinct from all known Diadema species, but it remained undescribed. Extensive field surveys in Japan withExpand
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The presence of scavengers increases the vulnerability of juvenile abalone to predatory fish
The abalone Haliotis discus discus is distributed along the coast of the warm-water areas in Japan, and is an important species for the coastal fishery. Numerous hatchery-reared juveniles areExpand
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Population dynamics of the sea urchin Anthocidaris crassispina on the boulder coast of Tachibana Bay, Nagasaki Prefecture, with special reference to the influence of typhoons
The sea urchin, Anthocidaris crassispina, is a common herbivore on shallow rocky coasts in the warm temperate region of Japan. Although, this sea urchin is known as the cause of continuing “barrenExpand
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Assessment and future prediction of climate change impacts on the macroalgal bed ecosystem and cultivation in the Seto Inland Sea
Macroalgal bed ecosystems are an important platform for coastal biological production and fisheries. After the late 1990s, rapid decline or disappearance of macroalgal beds, generally calledExpand