scholarly journals Tracing carbon flow through coral reef food webs using a compound-specific stable isotope approach

Oecologia ◽  
2015 ◽  
Vol 180 (3) ◽  
pp. 809-821 ◽  
Author(s):  
Kelton W. McMahon ◽  
Simon R. Thorrold ◽  
Leah A. Houghton ◽  
Michael L. Berumen
Keyword(s):  
Coral Reef ◽  
Stable Isotope ◽  
Food Webs ◽  
Carbon Flow ◽  
Flow Through

scholarly journals Jellyfish decomposition at the seafloor rapidly alters biogeochemical cycling and carbon flow through benthic food-webs

2016 ◽  
Vol 61 (4) ◽  
pp. 1449-1461 ◽  
Author(s):  
Andrew K. Sweetman ◽  
Ariella Chelsky ◽  
Kylie A. Pitt ◽  
Hector Andrade ◽  
Dick van Oevelen ◽  
...  
Keyword(s):  
Food Webs ◽  
Biogeochemical Cycling ◽  
Carbon Flow ◽  
Flow Through ◽  
Benthic Food ◽  
Benthic Food Webs

Current methods and future directions in avian diet analysis

The Auk ◽  
2021 ◽  
Author(s):  
Brandon D Hoenig ◽  
Allison M Snider ◽  
Anna M Forsman ◽  
Keith A Hobson ◽  
Steven C Latta ◽  
...  
Keyword(s):  
Stable Isotope ◽  
Food Webs ◽  
Stable Isotope Analysis ◽  
Dietary Habits ◽  
Isotope Analysis ◽  
Diet Analysis ◽  
Unified Framework ◽  
Future Directions ◽  
Laboratory Techniques ◽  
Prey Identification

Abstract Identifying the composition of avian diets is a critical step in characterizing the roles of birds within ecosystems. However, because birds are a diverse taxonomic group with equally diverse dietary habits, gaining an accurate and thorough understanding of avian diet can be difficult. In addition to overcoming the inherent difficulties of studying birds, the field is advancing rapidly, and researchers are challenged with a myriad of methods to study avian diet, a task that has only become more difficult with the introduction of laboratory techniques to dietary studies. Because methodology drives inference, it is important that researchers are aware of the capabilities and limitations of each method to ensure the results of their study are interpreted correctly. However, few reviews exist which detail each of the traditional and laboratory techniques used in dietary studies, with even fewer framing these methods through a bird-specific lens. Here, we discuss the strengths and limitations of morphological prey identification, DNA-based techniques, stable isotope analysis, and the tracing of dietary biomolecules throughout food webs. We identify areas of improvement for each method, provide instances in which the combination of techniques can yield the most comprehensive findings, introduce potential avenues for combining results from each technique within a unified framework, and present recommendations for the future focus of avian dietary research.

Host manipulation by parasites as a cryptic driver of energy flow through food webs

2019 ◽  
Vol 33 ◽  
pp. 69-76
Author(s):  
Takuya Sato ◽  
Ryosuke Iritani ◽  
Midori Sakura
Keyword(s):  
Food Webs ◽  
Energy Flow ◽  
Host Manipulation ◽  
Flow Through

scholarly journals An empirical model of carbon flow through marine viruses and microzooplankton grazers

2019 ◽  
Vol 21 (6) ◽  
pp. 2171-2181 ◽  
Author(s):  
David Talmy ◽  
Stephen J. Beckett ◽  
Darcy A. A. Taniguchi ◽  
Corina P. D. Brussaard ◽  
Joshua S. Weitz ◽  
...  
Keyword(s):  
Empirical Model ◽  
Carbon Flow ◽  
Marine Viruses ◽  
Flow Through

Estimating the role of three mesopredatory fishes in coral reef food webs at Ningaloo Reef, Western Australia

Coral Reefs ◽  
2015 ◽  
Vol 35 (1) ◽  
pp. 261-269 ◽  
Author(s):  
Emma C. Thillainath ◽  
Jennifer L. McIlwain ◽  
Shaun K. Wilson ◽  
Martial Depczynski
Keyword(s):  
Coral Reef ◽  
Food Webs ◽  
Western Australia ◽  
Ningaloo Reef

A flow-through reaction cell that couples time-resolved X-ray diffraction with stable isotope analysis

2011 ◽  
Vol 44 (2) ◽  
pp. 429-432 ◽  
Author(s):  
Andrew J. Wall ◽  
Peter J. Heaney ◽  
Ryan Mathur ◽  
Jeffrey E. Post ◽  
Jonathan C. Hanson ◽  
...  
Keyword(s):  
Stable Isotope ◽  
Stable Isotope Analysis ◽  
Isotope Fractionation ◽  
Isotope Analysis ◽  
X Ray Diffraction ◽  
Reaction Cell ◽  
Time Resolved ◽  
X Ray ◽  
Flow Through

A non-metallic flow-through reaction cell is described, designed forin situtime-resolved X-ray diffraction coupled with stable isotope analysis. The experimental setup allows the correlation of Cu isotope fractionation with changes in crystal structure during copper sulfide dissolution. This flow-through cell can be applied to many classes of fluid–mineral reactions that involve dissolution or ion exchange.

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