دورية أكاديمية
أعرض في EDS

High resolution acoustic telemetry reveals swim speeds and inferred field metabolic rates in juvenile white sharks (Carcharodon carcharias).

التفاصيل البيبلوغرافية
العنوان: High resolution acoustic telemetry reveals swim speeds and inferred field metabolic rates in juvenile white sharks (Carcharodon carcharias).
المؤلفون: Anderson JM; Department of Biological Sciences, California State University Long Beach, Long Beach, California, United States of America., Spurgeon E; Department of Biological Sciences, California State University Long Beach, Long Beach, California, United States of America., Stirling BS; Department of Biological Sciences, California State University Long Beach, Long Beach, California, United States of America., May J 3rd; Department of Biological Sciences, California State University Long Beach, Long Beach, California, United States of America., Rex PT; Department of Biological Sciences, California State University Long Beach, Long Beach, California, United States of America., Hyla B; Department of Biological Sciences, California State University Long Beach, Long Beach, California, United States of America., McCullough S; Department of Biological Sciences, California State University Long Beach, Long Beach, California, United States of America., Thompson M; School of Statistics, University of Minnesota, Minneapolis, Minnesota, United States of America., Lowe CG; Department of Biological Sciences, California State University Long Beach, Long Beach, California, United States of America.
المصدر: PloS one [PLoS One] 2022 Jun 09; Vol. 17 (6), pp. e0268914. Date of Electronic Publication: 2022 Jun 09 (Print Publication: 2022).
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
أسماء مطبوعة: Original Publication: San Francisco, CA : Public Library of Science
مواضيع طبية MeSH: Sharks*/physiology , Swimming*, Acoustics ; Animals ; Ecosystem ; Telemetry
مستخلص: White sharks (Carcharodon carcharias) are the largest shark species to display regional endothermy. This capability likely facilitates exploitation of resources beyond thermal tolerance thresholds of potential sympatric competitors as well as sustained elevated swim speeds, but results in increased metabolic costs of adults, which has been documented in different studies. Little, however, is known of the metabolic requirements in free-swimming juveniles of the species, due to their large size at birth and challenges in measuring their oxygen consumption rates in captivity. We used trilateration of positional data from high resolution acoustic-telemetry to derive swim speeds from speed-over-ground calculations for eighteen free-swimming individual juvenile white sharks, and subsequently estimate associated mass-specific oxygen consumption rates as a proxy for field routine metabolic rates. Resulting estimates of mass-specific field routine metabolic rates (368 mg O2 kg-1 h-1 ± 27 mg O2 kg-1 h-1 [mean ± S.D.]) are markedly lower than those reported in sub-adult and adult white sharks by previous studies. We argue that median cruising speeds while aggregating at nearshore nursery habitats (0.6 m s-1 [mean ± S.E = 0.59 ± 0.001], 0.3 TL s-1) are likely a feature of behavioral strategies designed to optimize bioenergetic efficiency, by modulating activity rates in response to environmental temperature profiles to buffer heat loss and maintain homeostasis. Such behavioral strategies more closely resemble those exhibited in ectotherm sharks, than mature conspecifics.
Competing Interests: The authors have declared that no competing interests exist.
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تواريخ الأحداث: Date Created: 20220609 Date Completed: 20220613 Latest Revision: 20220716
رمز التحديث: 20240829
مُعرف محوري في PubMed: PMC9182713
DOI: 10.1371/journal.pone.0268914
PMID: 35679282
قاعدة البيانات: MEDLINE
الوصف
تدمد:1932-6203
DOI:10.1371/journal.pone.0268914