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Trophic importance of benthic microalgae to macrozoobenthos in coastal bay systems in Korea: dual stable C and N isotope analyses
The role of benthic microalgae as the source of primary organic matter for the macro- zoobenthos community was examined in 3 bay systems of the south coast of the Korean peninsula using stable carbonExpand
Food sources of an infaunal suspension-feeding bivalve Cerastoderma edule in a muddy sandflat of Marennes-Oléron Bay, as determined by analyses of carbon and nitrogen stable isotopes
It is suggested that there are 2 major sources of organic matter assimilated by cockles of the studied flats: microphytobenthos and POM, and the relative importance of the 2 major food sources depends on the age of the cockles and the season. Expand
Microphytobenthos seasonality determines growth and reproduction in intertidal bivalves
The results highlight the importance of seasonal development of microphytobenthos as an available food source during the critical period of gamete production and growth for both suspension- and deposit-feeding bivalves. Expand
Pathways of organic matter through food webs of diverse habitats in the regulated Nakdong River estuary (Korea)
Abstract The benthic macroinvertebrates of the Nakdong River estuary were sampled at three different habitats: two salt marsh ( Scirpus triqueter and Phragmites australis ) beds and a bare intertidalExpand
Isotopic evidence of particle size-dependent food partitioning in cocultured sea squirt Halocynthia roretzi and Pacific oyster Crassostrea gigas
Both the 13 C- and 15 N-depleted values in cocultured sea squirts indicate the importance of pico-/nano-size fractions as their dietary components. Expand
Phytoplankton production from melting ponds on Arctic sea ice
[1] Recently, the areal extent of melt ponds within sea ice has rapidly increased during the Arctic Ocean summer. However, the biological impacts of melt ponds on the Arctic marine ecosystem haveExpand
Reproductive cycle and gross biochemical composition of the ark shell Scapharca subcrenata (Lischke, 1869) reared on subtidal mudflats in a temperate bay of Korea
The results show that the gametogenic development of the ark shell has accelerated and spawning has advanced by at least a month in the past decade, and suggest that it is necessary to advance the time of seeding from late July−August to spring to ensure the successful seeding of arK shell cultures in natural habitats. Expand
Food web structure of a restored macroalgal bed in the eastern Korean peninsula determined by C and N stable isotope analyses
A comparison of isotope signatures between primary producers and consumers showed that, while suspension feeders are highly dependent on pelagic sources, invertebrates of other feeding guilds and fishes mainly use macroalgae-derived organic matter as their ultimate nutritional sources in both macroalgal beds, emphasizing the high equivalency of trophic structure between both beds. Expand
Two juvenile hormone esterase-like carboxylesterase cDNAs from a Pandalus shrimp (Pandalopsis japonica): cloning, tissue expression, and effects of eyestalk ablation.
This is the first report of the cloning of two JHE-like CXE cDNAs in decapods and the upregulation of Pj-CXE1 by acute withdrawal of eyestalk neuropeptides. Expand
Biomagnification of persistent chlorinated and brominated contaminants in food web components of the Yellow Sea.
Significant positive correlations between δ(15)N and PCB 153, PCB 138, p,p'-DDE, oxy-chlordane, and trans-nonachlordane were found only for pelagic consumers, indicating that the pelagic food chain is an important bioaccumulation pathway for selected PCB and OCP compounds. Expand