Influence of hunting strategy on foraging efficiency in Galapagos sea lions

Autor: Jessica-Anne Blakeway, John P.Y. Arnould, Andrew J. Hoskins, Patricia Martin-Cabrera, Grace J. Sutton, Luis A. Huckstadt, Daniel P. Costa, Diego Páez-Rosas, Stella Villegas-Amtmann

Publikováno v: PeerJ, Vol 9, p e11206 (2021)

The endangered Galapagos sea lion (GSL, Zalophus wollebaeki) exhibits a range of foraging strategies utilising various dive types including benthic, epipelagic and mesopelagic dives. In the present study, potential prey captures (PPC), prey energy co

Externí odkaz: https://doaj.org/article/8e8fe3ca156241aa828bf6fa67b66792

Comparisons and Uncertainty in Fat and Adipose Tissue Estimation Techniques: The Northern Elephant Seal as a Case Study.

Autor: Lisa K Schwarz, Stella Villegas-Amtmann, Roxanne S Beltran, Daniel P Costa, Chandra Goetsch, Luis Hückstädt, Jennifer L Maresh, Sarah H Peterson

Publikováno v: PLoS ONE, Vol 10, Iss 6, p e0131877 (2015)

Fat mass and body condition are important metrics in bioenergetics and physiological studies. They can also link foraging success with demographic rates, making them key components of models that predict population-level outcomes of environmental cha

Externí odkaz: https://doaj.org/article/3a0e672a766f494f8f44d7bdbb6e9c16

Foraging behavior and success of a mesopelagic predator in the northeast Pacific Ocean: insights from a data-rich species, the northern elephant seal.

Autor: Patrick W Robinson, Daniel P Costa, Daniel E Crocker, Juan Pablo Gallo-Reynoso, Cory D Champagne, Melinda A Fowler, Chandra Goetsch, Kimberly T Goetz, Jason L Hassrick, Luis A Hückstädt, Carey E Kuhn, Jennifer L Maresh, Sara M Maxwell, Birgitte I McDonald, Sarah H Peterson, Samantha E Simmons, Nicole M Teutschel, Stella Villegas-Amtmann, Ken Yoda

Publikováno v: PLoS ONE, Vol 7, Iss 5, p e36728 (2012)

The mesopelagic zone of the northeast Pacific Ocean is an important foraging habitat for many predators, yet few studies have addressed the factors driving basin-scale predator distributions or inter-annual variability in foraging and breeding succes

Externí odkaz: https://doaj.org/article/334cfd4b904740e884693b1ac8289904

Accuracy of ARGOS locations of Pinnipeds at-sea estimated using Fastloc GPS.

Autor: Daniel P Costa, Patrick W Robinson, John P Y Arnould, Autumn-Lynn Harrison, Samantha E Simmons, Jason L Hassrick, Andrew J Hoskins, Stephen P Kirkman, Herman Oosthuizen, Stella Villegas-Amtmann, Daniel E Crocker

Publikováno v: PLoS ONE, Vol 5, Iss 1, p e8677 (2010)

BACKGROUND: ARGOS satellite telemetry is one of the most widely used methods to track the movements of free-ranging marine and terrestrial animals and is fundamental to studies of foraging ecology, migratory behavior and habitat-use. ARGOS location e

Externí odkaz: https://doaj.org/article/3b00fc3be8414b75bdfb056cb2c62939

Key questions in marine mammal bioenergetics

Autor: Elizabeth A McHuron, Stephanie Adamczak, John P Y Arnould, Erin Ashe, Cormac Booth, W Don Bowen, Fredrik Christiansen, Magda Chudzinska, Daniel P Costa, Andreas Fahlman, Nicholas A Farmer, Sarah M E Fortune, Cara A Gallagher, Kelly A Keen, Peter T Madsen, Clive R McMahon, Jacob Nabe-Nielsen, Dawn P Noren, Shawn R Noren, Enrico Pirotta, David A S Rosen, Cassie N Speakman, Stella Villegas-Amtmann, Rob Williams

Publikováno v: McHuron, E A, Adamczak, S, Arnould, J P Y, Ashe, E, Booth, C, Don Bowen, W, Christiansen, F, Chudzinska, M, Costa, D P, Fahlman, A, Farmer, N A, Fortune, S M E, Gallagher, C A, Keen, K A, Madsen, P T, McMahon, C R, Nabe-Nielsen, J, Noren, D P, Noren, S R, Pirotta, E, Rosen, D A S, Speakman, C N, Villegas-Amtmann, S & Williams, R 2022, ' Key questions in marine mammal bioenergetics ', Conservation Physiology, vol. 10, no. 1, coac055 . https://doi.org/10.1093/conphys/coac055

This work was funded by the Marine Mammal Commission (MMC19-173). The Office of Naval Research funded the bioenergetic workshop (N000142012392) that provided support for this work. Bioenergetic approaches are increasingly used to understand how marin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::40e5f57bcde412e10d762e4b8b4f43de
https://hdl.handle.net/10023/25928