Diet tracing in ecology: Method comparison and selection

JM Nielsen, EL Clare, B Hayden… - Methods in Ecology …, 2018‏ - Wiley Online Library
Determining diet is a key prerequisite for understanding species interactions, food web
structure and ecological dynamics. In recent years, there has been considerable …

Feeding studies take guts–critical review and recommendations of methods for stomach contents analysis in fish

PA Amundsen, J Sánchez‐Hernández - Journal of Fish Biology, 2019‏ - Wiley Online Library
Studies on the feeding ecology of fish are essential for exploring and contrasting trophic
interactions and population and community dynamics within and among aquatic …

Standardising fish stomach content analysis: The importance of prey condition

A Buckland, R Baker, N Loneragan, M Sheaves - Fisheries Research, 2017‏ - Elsevier
Comparisons of fish trophic data are limited by the range of methods used to quantify dietary
composition, with scientists yet to agree on a standard approach to stomach content …

Meta-analysis of amino acid stable nitrogen isotope ratios for estimating trophic position in marine organisms

JM Nielsen, BN Popp, M Winder - Oecologia, 2015‏ - Springer
Estimating trophic structures is a common approach used to retrieve information regarding
energy pathways, predation, and competition in complex ecosystems. The application of …

How much is enough? Effects of technical and biological replication on metabarcoding dietary analysis

VA Mata, H Rebelo, F Amorim… - Molecular …, 2019‏ - Wiley Online Library
DNA metabarcoding is increasingly used in dietary studies to estimate diversity, composition
and frequency of occurrence of prey items. However, few studies have assessed how …

Trophic position estimates of marine teleosts using amino acid compound specific isotopic analysis

CJ Bradley, NJ Wallsgrove, CA Choy… - Limnology and …, 2015‏ - Wiley Online Library
The increasing use of trophic position (TP) for assessing and describing ecosystems has
resulted in the emergence of novel techniques for accurate and accessible measurements …

Fish as predators and prey: DNA‐based assessment of their role in food webs

M Traugott, B Thalinger, C Wallinger… - Journal of Fish …, 2021‏ - Wiley Online Library
Fish are both consumers and prey, and as such part of a dynamic trophic network.
Measuring how they are trophically linked, both directly and indirectly, to other species is …

When “data” are not data: the pitfalls of post hoc analyses that use stock assessment model output

EN Brooks, JJ Deroba - Canadian Journal of Fisheries and …, 2015‏ - cdnsciencepub.com
The practice of treating stock assessment model output as data in subsequent modeling
efforts is becoming more common, aided in part by the growing availability of online …

Mesopelagic fishes are important prey for a diversity of predators

IS Iglesias, JA Santora, J Fiechter… - Frontiers in Marine …, 2023‏ - frontiersin.org
Through daily vertical movements, mesopelagic fishes contribute to global carbon export
and, when eaten, link primary consumers to higher trophic level predators. Although the …

Methods for trophic ecology assessment in fishes: a critical review of stomach analyses

EL da Silveira, N Semmar, JE Cartes… - Reviews in Fisheries …, 2020‏ - Taylor & Francis
Assessment of fish trophic ecology in natural environments is imperative to understand
biological and ecological requirements, supporting the management and conservation of …