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Stable-isotope ratios of blood components from captive northern fur seals (Callorhinus ursinus) and their diet: applications for studying the foraging ecology of wild otariids

https://doi.org/10.1139/z02-069
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What this work says

Outgoing claims: the papers this work cites, builds on, or argues with.

inferredcites →https://doi.org/10.1007/978-1-4612-3498-2_1openalex-snapshot
Stable Isotopes:History, Units, and Instrumentation
inferredcites →https://doi.org/10.1007/978-1-4612-3498-2_15openalex-snapshot
Natural Isotope Abundances in Bowhead Whale (Balaena mysticetus) Baleen: Markers of Aging and Habitat Usage
inferredcites →https://doi.org/10.1007/978-1-4615-2890-6_3openalex-snapshot
Isotope Fractionation during Primary Production
inferredcites →https://doi.org/10.1007/bf00379558openalex-snapshot
Fractionation and turnover of stable carbon isotopes in animal tissues: Implications for ?13C analysis of diet
inferredcites →https://doi.org/10.1007/bf00399574openalex-snapshot
Carbon-isotope ratio gradients in western arctic zooplankton
inferredcites →https://doi.org/10.1007/bf00952434openalex-snapshot
Food-Web structure and the fractionation of Carbon isotopes in the bering sea
inferredcites →https://doi.org/10.1007/bf01025624openalex-snapshot
The complete primary structure of the marine carnivora, galapagoes fur seal (Arctocephalus galapagoensis, Otariidae) hemoglobins
inferredcites →https://doi.org/10.1007/bf01796112openalex-snapshot
The amino acid sequence of dog (canis familiaris) hemoglobin
inferredcites →https://doi.org/10.1007/s003000050245openalex-snapshot
The diet of Weddell seals in McMurdo Sound, Antarctica as determined from scat collections and stable isotope analysis
inferredcites →https://doi.org/10.1007/s004420000518openalex-snapshot
Stable isotope assessment of temporal and geographic differences in feeding ecology of northern fur seals (Callorhinus ursinus) and their prey
inferredcites →https://doi.org/10.1007/s004420050067openalex-snapshot
The use of isotope tracers for identifying populations of migratory birds
inferredcites →https://doi.org/10.1007/s004420050822openalex-snapshot
Isotopic tracking of foraging and long-distance migration in northeastern Pacific pinnipeds
inferredcites →https://doi.org/10.1007/s004420050874openalex-snapshot
A food web analysis of the juvenile blue crab, Callinectes sapidus , using stable isotopes in whole animals and individual amino acids
inferredcites →https://doi.org/10.1016/0010-406x(70)90057-5openalex-snapshot
The lipid composition of the blood of marine mammals—I. Young elephant seals, Mirounga augustirostris and harp seals, Pagophilus groenlandicus
inferredcites →https://doi.org/10.1016/0016-7037(81)90244-1openalex-snapshot
Influence of diet on the distribution of nitrogen isotopes in animals
inferredcites →https://doi.org/10.1016/0016-7037(84)90204-7openalex-snapshot
Stepwise enrichment of 15N along food chains: Further evidence and the relation between δ15N and animal age
inferredcites →https://doi.org/10.1016/0016-7037(95)00030-4openalex-snapshot
Dependence of phytoplankton carbon isotopic composition on growth rate and [CO2)aq: Theoretical considerations and experimental results
inferredcites →https://doi.org/10.1016/0168-9622(87)90064-9openalex-snapshot
Isotopic fractionation of nitrogen and carbon in the synthesis of amino acids by microorganisms
inferredcites →https://doi.org/10.1016/0198-0149(87)90038-0openalex-snapshot
Geographical variation of the water column distrubution of suspended particulate organic nitrogen and its 15N natural abundance in the Pacific and its marginal seas
inferredcites →https://doi.org/10.1016/0198-0149(87)90039-2openalex-snapshot
15N and 13C abundances in the Antartic Ocean with emphasis on the biogeochemical structure of the food web
inferredcites →https://doi.org/10.1016/0305-0491(71)90226-4openalex-snapshot
The lipid composition of the blood of marine mammals—II. Atlantic bottlenose dolphins, Tursiops truncatus and two species of seals, Halichoerus grypus and Phoca vitulina
inferredcites →https://doi.org/10.1016/0305-4403(91)90066-xopenalex-snapshot
The isotopic composition of carbon and nitrogen in individual amino acids isolated from modern and fossil proteins
inferredcites →https://doi.org/10.1016/0305-4403(91)90069-2openalex-snapshot
Approaches to dietary reconstruction in the western Cape: Are you what you have eaten?
inferredcites →https://doi.org/10.1016/0307-4412(78)90049-3openalex-snapshot
Principles of biochemistry
inferredcites →https://doi.org/10.1016/b978-0-12-179730-0.50015-1openalex-snapshot
Stable Carbon Isotope Ratios of Natural Materials: I. Sample Preparation and Mass Spectrometric Analysis
inferredcites →https://doi.org/10.1016/b978-0-12-179730-0.50018-7openalex-snapshot
The Study of Diet and Trophic Relationships through Natural Abundance 13C
inferredcites →https://doi.org/10.1016/s0016-7037(97)00333-5openalex-snapshot
Effect of Phytoplankton Cell Geometry on Carbon Isotopic Fractionation
inferredcites →https://doi.org/10.1016/s0016-7037(97)00351-7openalex-snapshot
Controls on carbon isotope fractionation by diatoms in the Peru upwelling region
inferredcites →https://doi.org/10.1016/s0065-2881(08)60077-2openalex-snapshot
Natural Variations in 15N in the Marine Environment
inferredcites →https://doi.org/10.1017/s002185960004853xopenalex-snapshot
Fractionation of nitrogen isotopes by animals: a further complication to the use of variations in the natural abundance of 15 N for tracer studies
inferredcites →https://doi.org/10.1029/96gb03939openalex-snapshot
Consistent fractionation of13C in nature and in the laboratory: Growth‐rate effects in some haptophyte algae
inferredcites →https://doi.org/10.1080/10408399109527547openalex-snapshot
The use of stable isotopes for food web analysis
inferredcites →https://doi.org/10.1093/nar/28.1.15openalex-snapshot
GenBank
inferredcites →https://doi.org/10.1111/j.1365-3040.1990.tb01305.xopenalex-snapshot
Stable carbon isotope fractionation by marine phytoplankton during photosynthesis
inferredcites →https://doi.org/10.1111/j.1748-7692.1993.tb00446.xopenalex-snapshot
BLOOD CHEMISTRIES AND BODY CONDITION OF STELLER SEA LION PUPS AT MARMOT ISLAND, ALASKA
inferredcites →https://doi.org/10.1111/j.1748-7692.1997.tb00615.xopenalex-snapshot
INVESTIGATING TROPHIC RELATIONSHIPS OF PINNIPEDS IN ALASKA AND WASHINGTON USING STABLE ISOTOPE RATIOS OF NITROGEN AND CARBON
inferredcites →https://doi.org/10.1111/j.1748-7692.1997.tb00645.xopenalex-snapshot
LOW VARIATION IN BLOOD δ13C AMONG HUDSON BAY POLAR BEARS: IMPLICATIONS FOR METABOLISM AND TRACING TERRESTRIAL FORAGING
inferredcites →https://doi.org/10.1139/cjfas-56-4-590openalex-snapshot
Trophic position and individual feeding histories of fish from Lake Okeechobee, Florida
inferredcites →https://doi.org/10.1139/f95-209openalex-snapshot
Stable carbon and nitrogen isotopic fractionation between diet and tissues of captive seals: implications for dietary reconstructions involving marine mammals
inferredcites →https://doi.org/10.1139/f97-016openalex-snapshot
Comparing trophic position of freshwater fish calculated using stable nitrogen isotope ratios (δ 15 N) and literature dietary data
inferredcites →https://doi.org/10.1139/z00-008openalex-snapshot
Stable carbon and nitrogen isotopic fractionation between diet and tissue of captive red fox: implications for dietary reconstruction
inferredcites →https://doi.org/10.1139/z00-069openalex-snapshot
Using stable carbon (δ13C) and nitrogen (δ15N) isotopes to infer trophic relationships among black and grizzly bears in the upper Columbia River basin, British Columbia
inferredcites →https://doi.org/10.1139/z01-007openalex-snapshot
Use of stable-carbon and -nitrogen isotopes to assess weaning and fasting in female polar bears and their cubs
inferredcites →https://doi.org/10.1139/z85-285openalex-snapshot
The effect of apparatus, extraction time, and solvent type on lipid extractions of snow geese
inferredcites →https://doi.org/10.1139/z96-236openalex-snapshot
Use of stable isotopes to determine diets of living and extinct bears
inferredcites →https://doi.org/10.1139/z97-799openalex-snapshot
Preservation of blood and tissue samples for stable-carbon and stable-nitrogen isotope analysis
inferredcites →https://doi.org/10.1139/z99-165openalex-snapshot
Stable isotopes of carbon and nitrogen in the study of avian and mammalian trophic ecology
inferredcites →https://doi.org/10.1357/002224092784797692openalex-snapshot
The dynamic changes of stable isotopic ratios of carbon and nitrogen in suspended and sedimented particulate organic matter during a phytoplankton bloom
inferredcites →https://doi.org/10.1515/9781400854691.79openalex-snapshot
Chapter 5. Free-Ranging Energetics of Northern Fur Seals
inferredcites →https://doi.org/10.2307/1368807openalex-snapshot
Assessing Avian Diets Using Stable Isotopes I: Turnover of 13 C in Tissues
inferredcites →https://doi.org/10.2307/1368808openalex-snapshot
Assessing Avian Diets Using Stable Isotopes II: Factors Influencing Diet-Tissue Fractionation
inferredcites →https://doi.org/10.2307/1937843openalex-snapshot
Animal C/C Correlates with Trophic Level in Pelagic Food Webs
inferredcites →https://doi.org/10.2307/5256openalex-snapshot
Using Stable Isotopes to Determine Seabird Trophic Relationships
inferredcites →https://doi.org/10.3354/meps056089openalex-snapshot
Trophic relationships and isotopic gradients among arctic and subarctic marine fauna
inferredcites →https://doi.org/10.3354/meps084009openalex-snapshot
Determination of trophic relationships within a high Arctic marine food web using δ13C and δ15N analysis
inferredcites →https://doi.org/10.3354/meps095007openalex-snapshot
Trophic relationships among high Arctic seabirds: insights from tissue-dependent stable-isotope models
inferredcites →https://doi.org/10.3354/meps124307openalex-snapshot
Carbon-13 enrichment in benthic compared to planktonic algae:foodweb implications
inferredcites →https://doi.org/10.3769/radioisotopes.36.2_74openalex-snapshot
Variations of natural 15N abundances in the tissues and digesta of domestic animals.
inferredcites →https://doi.org/10.4319/lo.1988.33.5.1182openalex-snapshot
Food web structure on Georges Bank from stable C, N, and S isotopic compositions
inferredcites →https://doi.org/10.4319/lo.1999.44.3.0502openalex-snapshot
Stable isotope analyses of the pelagic food web in Lake Baikal
inferredcites →https://doi.org/10.4319/lo.2000.45.2.0459openalex-snapshot
Declining carrying capacity in the Bering Sea: Isotopic evidence from whale baleen

What points at this work

Incoming claims: where this work appears in other papers’ reference lists and arguments.

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Understanding early ontogeny and whisker growth dynamics of Weddell seal (Leptonychotes weddellii) pups through stable isotope analysis
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Beyond diet reconstruction: Stable isotope applications to human physiology, health, and nutrition
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Laboratory and field methods for stable isotope analysis in human biology
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The diet‐body offset in human nitrogen isotopic values: A controlled dietary study
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Urban and rural infant‐feeding practices and health in early medieval C entral E urope (9th–10th Century, C zech R epublic)
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Growth velocity and weaning δ15N “Dips” during ontogeny in Macaca mulatta
inferred← citeshttps://doi.org/10.1002/jez.2330openalex-snapshot
Isotopic variation in blood components based on their biochemistry and physiology: A comparison between sharks and fur seals
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Nitrogen balance and δ 15 N: why you're not what you eat during nutritional stress
inferred← citeshttps://doi.org/10.1002/rcm.7249openalex-snapshot
Diet‐to‐female and female‐to‐pup isotopic discrimination in South American sea lions
inferred← citeshttps://doi.org/10.1002/rcm.7406openalex-snapshot
Diet‐tissue discrimination factors and turnover of carbon and nitrogen stable isotopes in tissues of an adult predatory coral reef fish, Plectropomus leopardus
inferred← citeshttps://doi.org/10.1002/rcm.7410openalex-snapshot
Diet‐tissue stable isotope ( Δ 13 C and Δ 15 N) discrimination factors for multiple tissues from terrestrial reptiles
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Seals and sea lions are what they eat, plus what? Determination of trophic discrimination factors for seven pinniped species
inferred← citeshttps://doi.org/10.1002/rcm.7955openalex-snapshot
Carbon, nitrogen and sulphur isotopic fractionation in captive juvenile hooded seal ( Cystophora cristata ): Application for diet analysis
inferred← citeshttps://doi.org/10.1002/rcm.8856openalex-snapshot
Isotopic and elemental corroborates for wild bearded capuchin ( Sapajus libidinosus ) omnivorous dietary adaptation at Fazenda Boa Vista, Brazil
inferred← citeshttps://doi.org/10.1002/rcm.9746openalex-snapshot
The influence of biopsy site and pregnancy on stable isotope ratios in humpback whale skin
inferred← citeshttps://doi.org/10.1007/978-90-481-3354-3_14openalex-snapshot
Using Isoscapes to Trace the Movements and Foraging Behavior of Top Predators in Oceanic Ecosystems
inferred← citeshttps://doi.org/10.1007/bf03183419openalex-snapshot
Applications of stable isotopes to study plant-animal relationships in terrestrial ecosystems
inferred← citeshttps://doi.org/10.1007/s00227-011-1741-4openalex-snapshot
Temporal and spatial variation in the δ15N and δ13C values of fish and squid from Alaskan waters
inferred← citeshttps://doi.org/10.1007/s00360-016-0993-1openalex-snapshot
Blood mixtures: impact of puncture site on blood parameters
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Sources of variation in consumer-diet ?15N enrichment: a meta-analysis
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‘Are fish what they eat’ all year round?
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Tracing nutrient allocation in capital breeding baleen whales using amino acid stable isotope analysis: a novel method to infer protein balance and reproductive status
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Carbon and nitrogen stable isotopic inventory of the most abundant demersal fish captured by benthic gears in southwestern Iceland (North Atlantic)
inferred← citeshttps://doi.org/10.1007/s10329-013-0346-6openalex-snapshot
Characteristics of stable isotope signature of diet in tissues of captive Japanese macaques as revealed by controlled feeding
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Trophic flexibility of Eurasian otter (Lutra lutra) in Anzali Wetland, Iran, assessed by fecal and stable isotope analysis
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Carbon and nitrogen discrimination factors for elasmobranch soft tissues based on a long-term controlled feeding study
inferred← citeshttps://doi.org/10.1007/s10764-012-9582-7openalex-snapshot
Stable Isotope Techniques and Applications for Primatologists
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Feeding Ecology Tools to Assess Contaminant Exposure in Coastal Mammals
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Changes in fatty acid composition and stable isotope signature of Atlantic cod (Gadus morhua) in response to laboratory dietary shifts
inferred← citeshttps://doi.org/10.1016/j.aquaculture.2019.01.012openalex-snapshot
Comparison of stable isotope ratios in larval Pacific lamprey tissues and their nutritional sources when reared on a mixed diet
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Dietary macronutrients influence 13C and 15N signatures of pinnipeds: Captive feeding studies with harbor seals (Phoca vitulina)
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δ15N and δ13C diet–tissue discrimination factors for large sharks under semi-controlled conditions
inferred← citeshttps://doi.org/10.1016/j.jas.2012.11.020openalex-snapshot
Bromine in teeth and bone as an indicator of marine diet
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Stable carbon and nitrogen isotope discrimination in soft tissues of the leatherback turtle (Dermochelys coriacea): Insights for trophic studies of marine turtles
inferred← citeshttps://doi.org/10.1016/j.jembe.2010.08.015openalex-snapshot
Investigating the use of stable isotope analysis of milk to infer seasonal trends in the diets and foraging habitats of female Antarctic fur seals
inferred← citeshttps://doi.org/10.1016/j.jembe.2011.05.012openalex-snapshot
Trophic ecology of green sea turtles in a highly urbanized bay: Insights from stable isotopes and mixing models
inferred← citeshttps://doi.org/10.1016/j.jembe.2024.152005openalex-snapshot
Ecological and biochemical considerations based on stable isotope analysis of blood: A case study from two juvenile lamnid sharks
inferred← citeshttps://doi.org/10.1016/j.livsci.2008.06.005openalex-snapshot
Stable carbon isotopes accurately predict diet selection by sheep fed mixtures of C3 annual pastures and saltbush or C4 perennial grasses
inferred← citeshttps://doi.org/10.1016/j.mambio.2019.03.012openalex-snapshot
δ13C and δ15N values in pup whiskers as a proxy for the trophic behavior of Galapagos sea lion females
inferred← citeshttps://doi.org/10.1016/j.quascirev.2015.03.018openalex-snapshot
Isotopic tracking of large carnivore palaeoecology in the mammoth steppe
inferred← citeshttps://doi.org/10.1017/s0025315421000217openalex-snapshot
Trophic ecology and foraging areas of cetaceans sampled in the coastal waters of south-eastern Brazil assessed through skinδ13C andδ15N
inferred← citeshttps://doi.org/10.1038/s41598-022-21051-4openalex-snapshot
Stable isotopes of C and N differ in their ability to reconstruct diets of cattle fed C3–C4 forage diets
inferred← citeshttps://doi.org/10.1080/03014460.2022.2091795openalex-snapshot
Reproductive life histories: can incremental dentine isotope analysis identify pubertal growth, pregnancy and lactation?
inferred← citeshttps://doi.org/10.1080/10256016.2014.908872openalex-snapshot
The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (Δ 13 C and Δ 15 N) in mammalian omnivores
inferred← citeshttps://doi.org/10.1080/10256016.2014.931845openalex-snapshot
Stable isotopes confirm a coastal diet for critically endangered Mediterranean monk seals
inferred← citeshttps://doi.org/10.1080/15564890600934129openalex-snapshot
Historical Ecology and Biogeography of North Pacific Pinnipeds: Isotopes and Ancient DNA from Three Archaeological Assemblages
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Isotopic Discrimination between Food and Blood and Feathers of Captive Penguins: Implications for Dietary Studies in the Wild
inferred← citeshttps://doi.org/10.1086/668295openalex-snapshot
Slow Isotope Turnover Rates and Low Discrimination Values in the American Alligator: Implications for Interpretation of Ectotherm Stable Isotope Data
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Influence of Reproduction on Stable-Isotope Ratios: Nitrogen and Carbon Isotope Discrimination between Mothers, Fetuses, and Milk in the Fin Whale, a Capital Breeder
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Isotopic Incorporation and the Effects of Fasting and Dietary Lipid Content on Isotopic Discrimination in Large Carnivorous Mammals
inferred← citeshttps://doi.org/10.1086/692919openalex-snapshot
Atypical Red Blood Cells Are Prevalent in California Sea Lion Pups Born during Anomalous Sea Surface Temperature Events
inferred← citeshttps://doi.org/10.1093/conphys/cow050openalex-snapshot
Heavy with child? Pregnancy status and stable isotope ratios as determined from biopsies of humpback whales
inferred← citeshttps://doi.org/10.1093/jmammal/gyaa108openalex-snapshot
From diet to hair and blood: empirical estimation of discrimination factors for C and N stable isotopes in five terrestrial mammals
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Temporal variation in the diet of Yangtze finless porpoise calls for conservation of semi‐migratory fish
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Quantifying dietary pathways of proteins and lipids to tissues of a marine predator
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Applications of stable isotope techniques to the ecology of mammals
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Ontogenic dietary changes in South American sea lions
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QUANTIFYING ERRORS ASSOCIATED WITH USING PREY SKELETAL STRUCTURES FROM FECAL SAMPLES TO DETERMINE THE DIET OF STELLER'S SEA LION (EUMETOPIAS JUBATUS)
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Changes in diets of individual Baltic ringed seals (Phoca hispida botnica) during their breeding season inferred from stable isotope analysis of multiple tissues
inferred← citeshttps://doi.org/10.1111/j.1748-7692.2009.00321.xopenalex-snapshot
Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth
inferred← citeshttps://doi.org/10.1111/j.1748-7692.2009.00345.xopenalex-snapshot
Stable isotope signal homogeneity and differences between and within pinniped muscle and skin
inferred← citeshttps://doi.org/10.1111/j.1748-7692.2009.00354.xopenalex-snapshot
Using stable isotope biogeochemistry to study marine mammal ecology
inferred← citeshttps://doi.org/10.1111/j.1748-7692.2010.00372.xopenalex-snapshot
Assessment of gestation, lactation and fasting on stable isotope ratios in northern elephant seals (Mirounga angustirostris)
inferred← citeshttps://doi.org/10.1111/j.1748-7692.2010.00425.xopenalex-snapshot
Detecting alternate foraging ecotypes in Australian sea lion (Neophoca cinerea) colonies using stable isotope analysis
inferred← citeshttps://doi.org/10.1111/j.1748-7692.2011.00516.xopenalex-snapshot
Stable carbon and nitrogen isotopes in multiple tissues of wild and captive harbor seals (Phoca vitulina) off the California coast
inferred← citeshttps://doi.org/10.1111/j.1748-7692.2011.00522.xopenalex-snapshot
Ontogenetic dietary information of the California sea lion (Zalophus californianus) assessed using stable isotope analysis
inferred← citeshttps://doi.org/10.1111/j.1748-7692.2012.00563.xopenalex-snapshot
Dietary variation within and between populations of northeast Atlantic killer whales, Orcinus orca , inferred from δ 13 C and δ 15 N analyses
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Stable isotope food-web analysis and mercury biomagnification in polar bears (Ursus maritimus)
inferred← citeshttps://doi.org/10.1111/j.2041-210x.2011.00135.xopenalex-snapshot
Variation in postsampling treatment of avian blood affects ecophysiological interpretations
inferred← citeshttps://doi.org/10.1111/jfb.13958openalex-snapshot
Resource partitioning between two young‐of‐year cownose rays Rhinoptera bonasus and R. brasiliensis within a communal nursery inferred by trophic biomarkers
inferred← citeshttps://doi.org/10.1111/mms.12227openalex-snapshot
Evidence of two subaggregations of humpback whales on the Kodiak, Alaska, feeding ground revealed from stable isotope analysis
inferred← citeshttps://doi.org/10.1111/mms.12911openalex-snapshot
A practical guide on stable isotope analysis for cetacean research
inferred← citeshttps://doi.org/10.1111/mms.12924openalex-snapshot
Isotopic ( δ 15 N and δ 13 C ) profiles in dentine indicate sex differences and individual variability in resource use among narwhals ( Monodon monoceros )
inferred← citeshttps://doi.org/10.1139/cjfas-2022-0145openalex-snapshot
Seasonal and interannual variability in the diet of young and subadult male Antarctic fur seals as revealed by stable C and N isotope ratios
inferred← citeshttps://doi.org/10.1139/cjz-2016-0299openalex-snapshot
Stable isotope signatures of whisker and blood serum confirm foraging strategies for female New Zealand sea lions (Phocarctos hookeri) derived from telemetry
inferred← citeshttps://doi.org/10.1139/cjz-2019-0032openalex-snapshot
Seasonal variability and individual consistency in gray seal ( Halichoerus grypus ) isotopic niches
inferred← citeshttps://doi.org/10.1139/z01-007openalex-snapshot
Use of stable-carbon and -nitrogen isotopes to assess weaning and fasting in female polar bears and their cubs
inferred← citeshttps://doi.org/10.1139/z06-016openalex-snapshot
Major components of grizzly bear diet across North America
inferred← citeshttps://doi.org/10.1139/z07-108openalex-snapshot
Stable carbon and nitrogen isotope values in teeth of Steller sea lions: age of weaning and the impact of the 1975–1976 regime shift in the North Pacific Ocean
inferred← citeshttps://doi.org/10.1139/z07-115openalex-snapshot
Discrimination of carbon and nitrogen isotopes from milk to serum and vibrissae in Alaska Steller sea lions (Eumetopias jubatus)
inferred← citeshttps://doi.org/10.1139/z10-101openalex-snapshot
Intraspecific comparison of diet of California sea lions (Zalophus californianus) assessed using fecal and stable isotope analyses
inferred← citeshttps://doi.org/10.1186/s12898-020-00300-yopenalex-snapshot
Leopard seal diets in a rapidly warming polar region vary by year, season, sex, and body size
inferred← citeshttps://doi.org/10.1242/jeb.045104openalex-snapshot
Stable isotopes of captive cetaceans (killer whales and bottlenose dolphins)
inferred← citeshttps://doi.org/10.1371/journal.pone.0017970openalex-snapshot
Trophic Shifts of a Generalist Consumer in Response to Resource Pulses
inferred← citeshttps://doi.org/10.1371/journal.pone.0042427openalex-snapshot
The Marine Side of a Terrestrial Carnivore: Intra-Population Variation in Use of Allochthonous Resources by Arctic Foxes
inferred← citeshttps://doi.org/10.1371/journal.pone.0053071openalex-snapshot
Trophic Enrichment Factors for Blood Serum in the European Badger (Meles meles)
inferred← citeshttps://doi.org/10.1371/journal.pone.0117052openalex-snapshot
Seasonal Variation in Stable Carbon and Nitrogen Isotope Values of Bats Reflect Environmental Baselines
inferred← citeshttps://doi.org/10.1371/journal.pone.0127615openalex-snapshot
Stable Isotope Models Predict Foraging Habitat of Northern Fur Seals (Callorhinus ursinus) in Alaska
inferred← citeshttps://doi.org/10.1371/journal.pone.0225889openalex-snapshot
Trophic ecology of Mexican Pacific harbor seal colonies using carbon and nitrogen stable isotopes
inferred← citeshttps://doi.org/10.14288/1.0166743openalex-snapshot
Foraging strategies and efficiencies of lactating northern and Antarctic fur seals : implications for reproductive success.
inferred← citeshttps://doi.org/10.1525/cond.2013.120107openalex-snapshot
Discrimination Factors for Stable Isotopes of Carbon and Nitrogen in Blood and Feathers from Chicks and Juveniles of the California Condor
inferred← citeshttps://doi.org/10.1643/0045-8511(2007)2007[534:scanid]2.0.co;2openalex-snapshot
Stable Carbon and Nitrogen Isotope Discrimination and Turnover in Pond Sliders Trachemys Scripta: Insights for Trophic Study of Freshwater Turtles
inferred← citeshttps://doi.org/10.1644/11-mamm-a-174.1openalex-snapshot
Prepartum and postpartum trophic segregation between sympatrically breeding femaleArctocephalus australisandOtaria flavescens
inferred← citeshttps://doi.org/10.1644/12-mamm-a-035.1openalex-snapshot
Vibrissae growth rates and trophic discrimination factors in captive southern sea otters (Enhydra lutris nereis)
inferred← citeshttps://doi.org/10.1644/13-mamm-a-014.1openalex-snapshot
Variation in the stable carbon and nitrogen isotope discrimination factors from diet to fur in four felid species held on different diets
inferred← citeshttps://doi.org/10.1890/09-1502.1openalex-snapshot
Variation in δ13C and δ15N diet–vibrissae trophic discrimination factors in a wild population of California sea otters
inferred← citeshttps://doi.org/10.1897/08-557.1openalex-snapshot
Mercury concentrations in Southern Beaufort Sea polar bears: Variation based on stable isotopes of carbon and nitrogen
inferred← citeshttps://doi.org/10.26021/6810openalex-snapshot
Foraging behaviour of female Weddell seals (Leptonychotes weddellii) during lactation: new insights from dietary biomarkers
inferred← citeshttps://doi.org/10.26021/8774openalex-snapshot
From fish to fowl : a comparison using stable isotope analysis of the little penguin [Eudyptula minor] in captive and wild populations.
inferred← citeshttps://doi.org/10.2989/1814232x.2014.954619openalex-snapshot
Trophic investigations of Cape fur seals at the easternmost extreme of their distribution
inferred← citeshttps://doi.org/10.31390/gradschool_dissertations.5317openalex-snapshot
Insights to Gray Seal (Halichoerus grypus) Foraging Ecology from Stable Isotope and DNA Metabarcoding Analyses
inferred← citeshttps://doi.org/10.3354/ab00397openalex-snapshot
Effects of blood anticoagulants on stable isotope values of sea turtle blood tissue
inferred← citeshttps://doi.org/10.3354/meps07719openalex-snapshot
Evidence of bottom-up control of diet driven by top-down processes in a declining harbor seal Phoca vitulina richardsi population
inferred← citeshttps://doi.org/10.3354/meps08624openalex-snapshot
Stable isotope and scat analyses indicate diet and habitat partitioning in northern fur seals Callorhinus ursinus across the eastern Pacific
inferred← citeshttps://doi.org/10.3354/meps08933openalex-snapshot
Stable isotopes reveal inter-annual and inter-individual variation in the diet of female Australian fur seals
inferred← citeshttps://doi.org/10.3354/meps10369openalex-snapshot
Habitat, trophic level, and residence of marine mammals in the Gulf of California assessed by stable isotope analysis
inferred← citeshttps://doi.org/10.3354/meps11205openalex-snapshot
Stable carbon and nitrogen isotope trophic enrichment factors for Steller sea lion vibrissae relative to milk and fish/invertebrate diets
inferred← citeshttps://doi.org/10.3354/meps11230openalex-snapshot
Stable isotope mixing models elucidate sex and size effects on the diet of a generalist marine predator
inferred← citeshttps://doi.org/10.3354/meps12381openalex-snapshot
Combining hard-part and DNA analyses of scats with biologging and stable isotopes can reveal different diet compositions and feeding strategies within a fur seal population
inferred← citeshttps://doi.org/10.3354/meps13738openalex-snapshot
Ontogenetic profiles of dentine isotopes (δ15N and δ13C) reveal variable narwhal Monodon monoceros nursing duration
inferred← citeshttps://doi.org/10.3354/meps14532openalex-snapshot
Southern Ocean humpback whale trophic ecology. I. Combining multiple stable isotope methods elucidates diet, trophic position and foraging areas
inferred← citeshttps://doi.org/10.3354/meps236289openalex-snapshot
Stable nitrogen and carbon isotope ratios in multiple tissues of the northern fur seal Callorhinus ursinus: implications for dietary and migratory reconstructions
inferred← citeshttps://doi.org/10.3354/meps266043openalex-snapshot
Trophic-level interpretation based on d15N values: implications of tissue-specific fractionation and amino acid composition
inferred← citeshttps://doi.org/10.3354/meps281267openalex-snapshot
Stable isotope ratios in harbor seal Phoca vitulina vibrissae: effects of growth patterns on ecological records
inferred← citeshttps://doi.org/10.3354/meps342303openalex-snapshot
Regional differences in foraging of young-of-the-year Steller sea lions Eumetopias jubatus in Alaska: stable carbon and nitrogen isotope ratios in blood
inferred← citeshttps://doi.org/10.3402/polar.v35.31335openalex-snapshot
Temporal shift in the isotopic niche of female Antarctic fur seals from Bouvetøya
inferred← citeshttps://doi.org/10.3769/radioisotopes.66.331openalex-snapshot
A New Aspect on Food Chain Analyses Using N/C Isotope Ratios —Current Perspectives—
inferred← citeshttps://doi.org/10.3989/scimar.2010.74n3589openalex-snapshot
Change in the foraging strategy of female South American sea lions (Carnivora: Pinnipedia) after parturition
inferred← citeshttps://doi.org/10.4027/slw.2006.21openalex-snapshot
Estimating diet composition in sea lions: Which technique to choose?
inferred← citeshttps://doi.org/10.70675/e86d720dzf752z4590zb4b3z67b4c765c70fopenalex-snapshot
Les marqueurs de l'écologie alimentaire chez le mandrill : le cas des micro-usures dentaires et des ratios d'isotopes stables
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