Establishment of trophic continuum in the food web of the Yellow Sea and East China Sea ecosystem: insight from carbon and nitrogen stable isotopes.
Stable carbon and nitrogen isotope ratios (delta (13)C and delta (15)N) are used to study the trophic structure of food web in the Yellow Sea and East China Sea ecosystem. The trophic continuum of pelagic food web from phytoplankton to top preyer was elementarily established, and a trophic structure diagram in the Yellow Sea and East China Sea was outlined in combination with carbon isotopic data of benthic organisms, which is basically consistent with and makes some improvements on the simplified Yellow Sea food web and the trophic structure diagram drawn based on the biomass of main resource population during 1985-1986. This result indicates that the stable isotope method is a potential useful means for further studying the complete marine food web trophic continuum from viruses to top predators and food web stability.
Key Laboratory of Marine Sedimentology & Environment Geology, SOA, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China. caidl@public.qd.sd.cn
Deling
D
Cai
Hongyan
H
Li
Qisheng
Q
Tang
Yao
Y
Sun
D000818:Animals; D002247:Carbon Isotopes / Q000032:analysis*; D002681:China; D017753:Ecosystem; D005399:Fishes; D020387:Food Chain; D009132:Muscles / Q000737:chemistry; D009587:Nitrogen Isotopes / Q000032:analysis*; D010839:Phytoplankton / Q000737:chemistry; D012623:Seawater; D015048:Zooplankton / Q000737:chemistry
D002247:Carbon Isotopes; D009587:Nitrogen Isotopes