Studying animal niches using bulk stable isotope ratios: an updated synthesis

ON Shipley, P Matich - Oecologia, 2020 - Springer
The development of the isotopic niche, an n-dimensional hypervolume (with n being the
number of isotopes) occupied by a population in delta space, has revolutionized the study of …

Niche partitioning between river shark species is driven by seasonal fluctuations in environmental salinity

RG Dwyer, HA Campbell, RL Cramp… - Functional …, 2020 - Wiley Online Library
Tropical rivers and estuaries are highly dynamic environments, where environmental
conditions change dramatically over spatial and temporal scales. This creates both …

Seagrass digestion by a notorious 'carnivore'

SC Leigh, YP Papastamatiou… - Proceedings of the …, 2018 - royalsocietypublishing.org
What an animal consumes and what an animal digests and assimilates for energetic
demands are not always synonymous. Sharks, uniformly accepted as carnivores, have guts …

Isotopic niche and resource sharing among young sharks (Carcharodon carcharias and Isurus oxyrinchus) in Baja California, Mexico

E Tamburin, SL Kim… - Marine Ecology …, 2019 - int-res.com
White sharks Carcharodon carcharias and shortfin mako sharks Isurus oxyrinchus are
globally distributed apex predators and keystone species. However, regional information …

Inter-individual differences in ontogenetic trophic shifts among three marine predators

P Matich, JJ Kiszka, MR Heithaus, B Le Bourg… - Oecologia, 2019 - Springer
Ontogenetic niche shifts are widespread. However, individual differences in size at birth,
morphology, sex, and personalities can cause variability in behavior. As such, inherent inter …

A multi-tissue, multi-species assessment of lipid and urea stable isotope biases in mesopredator elasmobranchs

J Bennett-Williams, C Skinner, ASJ Wyatt… - Frontiers in Marine …, 2022 - frontiersin.org
The application of stable isotope analysis (SIA) is increasing in elasmobranch trophic
ecology, but inconsistency remains in terms of the tissue pre-treatment methods chosen to …

Lipid extraction has tissue‐dependent effects on isotopic values (δ34S, δ13C, and δ15N) from different marine predators

S Riverón, V Raoult, DJ Slip… - … in Mass Spectrometry, 2022 - Wiley Online Library
Rationale The use of sulfur isotopes to study trophic ecology in marine ecosystems has
increased in the past decade. Unlike other commonly used isotopes (eg, carbon), sulfur can …

Multi-channel feeding by migratory sharks in a fluvial-dominated estuary

BR Hamilton, ON Shipley, RD Grubbs - Estuarine, Coastal and Shelf …, 2022 - Elsevier
Rivers can transport a substantial amount of allochthonous nutrients into coastal marine
ecosystems. These nutrients are a significant contributor to estuarine productivity, resulting …

Using stable-isotope analysis and acoustic telemetry data to infer broad-scale migration patterns of Port Jackson sharks (Heterodontus portusjacksoni)

NC Bass, NE Hussey, C Brown - Marine and Freshwater …, 2023 - CSIRO Publishing
Context Understanding migratory species' habitat selection is complicated by variation in
movement strategies. Stable-isotope analysis provides a powerful tool to investigate such …

Determining the appropriate pretreatment procedures and the utility of liver tissue for bulk stable isotope (δ13C and δ15N) studies in sharks

KB Pahl, DJ Yurkowski, SP Wintner, G Cliff… - Journal of Fish …, 2021 - Wiley Online Library
Stable‐isotope analysis (SIA) provides a valuable tool to address complex questions
pertaining to elasmobranch ecology. Liver, a metabolically active, high turnover tissue …