Low sulfur isotopic signatures (δ^<34>S) of macrozoobenthos from a brackish lagoon: contribution of microbially reduced sulfides

スポンサーリンク

概要

• 論文の詳細を見る

• Stable sulfur isotope ratios (δ^<34>S) of infaunal bivalves (Macoma contabulata, Nuttallia olivacea, and Ruditapes philippinarum) and polychaetes (Hediste spp.; consisted of H. atoka and H. diadroma) collected from two stations in the Gamo Lagoon (Japan) were determined to assess trophic pathways in highly reductive, estuarine soft-bottom habitats. The stations were characterized by distinctive sediment characteristics (Station A, sandy sediment with low sulfide content; Station B, muddy and sulfide-rich sediment). Soft tissues of the consumers exhibited much more depleted δ^<34>S values (+3.2 to +12.1‰) than those of dissolved sulfate in the water column (+20.6 to +20.8‰). The value for each species was 1.6 to 5.3‰ lower at Station B than at Station A. These results suggest the assimilation of sulfides in the sediment (δ^<34>S; -23.2 to -22.7‰) via microbial trophic pathways. In this lagoon, benthic microalgae and/or other microbes in the sediment are the most probable ^<34>S-depleted food source for the consumers. Interspecies variations in δ^<34>S values are explained by the different dietary contribution of the ^<34>S-depleted diets versus ^<34>S-enriched phytoplankton and are closely related to different feeding habits (i.e., surface-deposit feeding, facultative suspension feeding, and obligatory suspension feeding).論文Article

• 東北大学の論文

著者

• Kikuchi Eisuke

  Center For Northeast Asian Studies Tohoku University

• Mizota Chitoshi

  Faculty Of Agriculture Iwate University

• Maki Yonosuke

  Faculty Of Humanities And Social Sciences Iwate University

• KANAYA Gen

  Center for Northeast Asian Studies, Tohoku University

• NOBATA Ei

  Biological Institute, Graduate School of Science, Tohoku University

• Nobata Ei

  Biological Institute Graduate School Of Science Tohoku University

• Kanaya Gen

  Center For Northeast Asian Studies Tohoku University

• Mizota Chitoshi

  Faculty Of Agricultuer Iwate University

関連論文

• An Evaluation of Source Sulfur in Soft Tissues of Marine and Freshwater Benthic Animals from Japan Using Stable Isotope Analysis
• An Isotopic Characterization of Sulfur Uptake by Benthic Animals from Tsuyazaki Inlet, Northern Kyushu, Japan
• Salt Accumulation in Topsoils of lrrigated Maize Fields in Comparison with Irrigated Rice Fields in Kilimanjaro Region, Semiarid Tanzania
• EOLIAN ADDITIONS TO SOILS AND SEDIMENTS OF JAPAN
• Grazing pressure by amphipods on microalgae in Nanakita river estuary (Gamo lagoon), Japan
• Sulfur Isotope Composition of Soft Tissues of Deep-sea Mussels, Bathymodiolus spp., in Japanese Waters
• Intraannual and interannual changes in the surface area of a closed lake complex in southwestern Siberia using NOAA images
• Stable isotopic characterization of carbon, nitrogen and sulfur uptake of Acharax japonica from central Japan
• Differences in nitrogen and carbon stable isotopes between planktonic and benthic microalgae
• Comparison of the life cycles of two sympatric estuarine polychaetes, Hediste diadroma and H. atoka (Polychaeta : Nereididae), in the Nanakita River estuary, northeastern Japan
• MINERALOGY OF THE TROPOSPHERIC DUSTS IN RAINWATER COLLECTED IN FUKUOKA, NORTHERN KYUSHU
• IMOGOLITE OF CHILEAN VOLCANIC ASH SOILS
• RELATIONSHIPS BETWEEN THE INORGANIC COLLOID AND THE PARENT MATERIAL OF SOME VOLCANIC ASH SOILS IN MIYAGI AND IWATE PREFECTURES, JAPAN
• EOLIAN ORIGIN OF QUARTZ AND MICA IN SOILS DEVELOPED ON BASALTS IN NORTH-WESTERN KYUSHU AND SAN-IN, JAPAN
• RELATIONSHIPS BETWEEN THE PETROLOGICAL NATURE AND THE CLAY MINERAL COMPOSITION OF VOLCANIC ASH SOILS DISTRIBUTED IN THE SUBURBS OF FUKUOKA-CITY, KYUSHU
• EOLIAN ORIGIN OF THE MICACEOUS MINERALS IN AN ANDO SOIL FROM KITAKAMI, JAPAN
• CLAY MINERALOGY OF THE A HORIZONS OF SEVEN ANDO SOILS, CENTRAL KYUSHU
• CLAY MINERALOGY OF SOME VOLCANIC ASH SOILS IN WHICH CRISTOBALITE PREDOMINATES
• RELATIONSHIPS BETWEEN THE PRIMARY MINERAL AND THE CLAY MINERAL COMPOSITIONS OF SOME RECENT ANDOSOLS
• CLAY MINERALOGY OF A DYSTRANDEPT AND A HAPLAQUOD FROM NORTHLAND, NEW ZEALAND
• CLAY MINERALOGY OF SPODIC HORIZONS FROM CRYORTHODS IN JAPAN
• PHOSPHATE FIXATION BY ANDO SOILS DIFFERENT IN THEIR CLAY MINERAL COMPOSITION
• Preliminary studies on carbon and nitrogen stable isotope ratios analysis of food web in Lake Chany of Western Siberia
• Water current velocity as an environmental factor regulating the distribution of amphipod species in Gamo lagoon, Japan
• Origin of boulder-size euhedral quartz in the Seto Porcelain Clay Formation, central Japan
• Nitrogen isotope composition of inorganic soil nitrogen and associated vegetation under a sea bird colony on the Hatana islands, Rotuma Group, Fiji
• Process of Formation of Potentially Acid Sulfate Soils from Central Kyushu, Japan: Sulfur Isotopic Approach
• Sulfur isotopic variations in soft tissues of Calyptogena soyoae from Sagami Bay, central Japan
• Low sulfur isotopic signatures (δ^S) of macrozoobenthos from a brackish lagoon: contribution of microbially reduced sulfides
• CLAY MINERALOGY OF SEVEN DYSTRANDEPTS DEVELOPED FROM BASALTS IN NORTHLAND, THE FRENCH MASSIF CENTRAL AND WESTERN OREGON
• Process of Formation of Potentially Acid Sulfate Soils from Central Kyushu, Japan : Sulfur Isotopic Approach
• Effect of current velocity and case adaptations on the distribution of caddisfly larvae (Glossosoma, Trichoptera)

もっと見る 閉じる

スポンサーリンク