Fish event horizon stable isotope sweden
WebJul 12, 2012 · Carbon and nitrogen stable isotopes (δ 13 C and δ 15 N) are increasingly used to evaluate the relative contributions of different food sources and the trophic position of fish (Anderson et al. 1987; Lochman and Phillips 1996; Gu et al. 1996a, b; Gamboa-Delgado et al. 2008).Because isotope compositions reflect the organic compounds that … WebABSTRACT. Human burials from the cemetery at the Rounala church, northern Sweden, were radiocarbon (14C) dated to shed light on the use of the cemetery. Carbon, nitrogen …
Fish event horizon stable isotope sweden
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WebThe stable isotope composition of organic carbon (13C:12C) and nitrogen (15N:14N) can be used to provide detailed descriptions of aquatic food web structure and models of fish and zooplankton diet (Kling and Fry 1992; Keough et al. 1996; Vander Zanden et al. 1999). The stable carbon isotope signature (d13C) of a consumer reflects its WebThe values of natural abundance of stable isotopes were measured in 13 micronekton fish species sampled during the BATHYPELAGIC cruise (North Atlantic, June 2024). This dataset contains the values obtained for carbon and nitrogen in bulk tissues, and nitrogen values in amino acids.
WebNov 16, 2024 · We evaluated the diet—using classical stomach content analysis and stable isotopes (nitrogen and carbon)—and the length of digestive organs of an abundant and …
WebOne of the most important applications of nitrogen stable isotopes is its ability to determine the trophic level of a species. Nitrogen undergoes an increase (2-4%) in heavy isotope … WebThe stable isotope profiles were significantly different among years in 2 of 5 indicator species, but the relative differences were small, and patterns were not consistent among taxa analyzed. Our results provide no evidence that the Deepwater Horizon oil spill had a significant effect on the relative abundances and food-web structure
WebSep 20, 2024 · SLU Stable Isotope Laboratory. Last changed: 20 September 2024. Provides analyses for stable isotopes of several light elements. SLU Stable Isotope Laboratory (SSIL), is located at the …
WebThis report gives an overview of spatial variation in carbon (δ13C ) and nitrogen (δ15N) stable isotopes in different fish species in the Baltic Sea. The study also tries to investigate if differences in contaminants between sites and among species can be partly explained by nitrogen stable isotopes. Moreover, as a hideable bluetooth fm transmitterWebJul 5, 2024 · In stable-isotope studies of aquatic organisms, muscle has been the most commonly analyzed tissue type. At lower latitudes such as the GoM, isotopes from … hide a bird dog toyWebOct 3, 2014 · We evaluated eye lenses as potential recorders of stable isotope histories in fish because they consist of metabolically inert optical proteins that are deposited in successive, concentric circles (laminae) much like otolith circuli and tree rings. We conducted four different tests on lenses from red snapper, red grouper, gag, and white … howell nutritionWebOct 31, 2012 · Analyses of fish tissues (other than otoliths) for stable isotope ratios can provide substantial information on fish ecology, including physiological ecology. Stable … howell oaks waukeshaWebFish samples were washed with distilled water, dried, and homogenized before analysis. All samples were dried at 508C and stored wrapped in aluminum foil. Samples were analyzed at the University of Waterloo En-vironmental Isotope Lab on an isochrom continuous flow stable isotope mass spectrometer (Micromass) coupled to a howell obgynWebFeb 7, 2013 · Introduction. The use of stable hydrogen (δ 2 H) and oxygen (δ 18 O) isotope measurements is well established in terrestrial ecological research to examine large … howell obituary 2021WebMay 28, 2024 · In this study, nitrogen stable isotopes (δ 15 N) in fish are evaluated as indicators of environmental changes in south Florida wetlands. Stable nitrogen isotope (δ 15 N) data of select fish species and water quality collected from the Florida Everglades between the 1990s and 2000s were used to assess the relationship between total … howell obituary michigan