UV radiation impacts body weight, oxygen consumption, and shelter selection in the intertidal vertebrate Girella laevifrons

Jos� Pulgar, Melany Waldisperg, Crist�bal Galb�n-Malag�n, Diego Maturana, Victor M. Pulgar, Marcela Aldana

Resultado de la investigación: Article

9 Citas (Scopus)

Resumen

The amount of ultraviolet (UV) radiation reaching the earth's surface has increased due to ozone layer depletion, and this fact represents an opportunity to evaluate the physiological and behavioral responses of animals to this global-scale stressor. The transitory fish Girella laevifrons inhabits pools in the upper intertidal zone, which is characterized by exposure to a wide range of stressors, including UV radiation. We documented the field magnitude and the impact of UV radiation on oxygen consumption, body mass variations, and shelter (rocky and algae) selection by G. laevifrons. UV-exposed animals showed increased oxygen consumption, slower body weight increase, and active rocky shelter selection. Control fish showed increased body weight and no evident shelter selection. The results indicated that UV exposure affects fish energetic balance and habitat selection to favor greater protection against radiation. Increased UV exposure in transitory intertidal animals at levels observed in upper intertidal pools may alter the residency time of fish before leaving for the subtidal zone. Therefore, UV-induced energetic changes may determine animal performance and ontogenetic physiological itineraries, whereas shelter quality might determine habitat use.

Idioma originalEnglish
Páginas (desde-hasta)317-322
Número de páginas6
PublicaciónScience of the Total Environment
Volumen578
DOI
EstadoPublished - 1 feb 2017

Huella dactilar

ultraviolet radiation
oxygen consumption
shelter
Ultraviolet radiation
Fish
vertebrate
Animals
Oxygen
animal
fish
energetics
Stratospheric Ozone
Ozone layer
Radiation protection
physiological response
behavioral response
Algae
habitat use
intertidal environment
habitat selection

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

Citar esto

Pulgar, Jos� ; Waldisperg, Melany ; Galb�n-Malag�n, Crist�bal ; Maturana, Diego ; Pulgar, Victor M. ; Aldana, Marcela. / UV radiation impacts body weight, oxygen consumption, and shelter selection in the intertidal vertebrate Girella laevifrons. En: Science of the Total Environment. 2017 ; Vol. 578. pp. 317-322.
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UV radiation impacts body weight, oxygen consumption, and shelter selection in the intertidal vertebrate Girella laevifrons. / Pulgar, Jos�; Waldisperg, Melany; Galb�n-Malag�n, Crist�bal; Maturana, Diego; Pulgar, Victor M.; Aldana, Marcela.

En: Science of the Total Environment, Vol. 578, 01.02.2017, p. 317-322.

Resultado de la investigación: Article

TY - JOUR

T1 - UV radiation impacts body weight, oxygen consumption, and shelter selection in the intertidal vertebrate Girella laevifrons

AU - Pulgar, Jos�

AU - Waldisperg, Melany

AU - Galb�n-Malag�n, Crist�bal

AU - Maturana, Diego

AU - Pulgar, Victor M.

AU - Aldana, Marcela

PY - 2017/2/1

Y1 - 2017/2/1

N2 - The amount of ultraviolet (UV) radiation reaching the earth's surface has increased due to ozone layer depletion, and this fact represents an opportunity to evaluate the physiological and behavioral responses of animals to this global-scale stressor. The transitory fish Girella laevifrons inhabits pools in the upper intertidal zone, which is characterized by exposure to a wide range of stressors, including UV radiation. We documented the field magnitude and the impact of UV radiation on oxygen consumption, body mass variations, and shelter (rocky and algae) selection by G. laevifrons. UV-exposed animals showed increased oxygen consumption, slower body weight increase, and active rocky shelter selection. Control fish showed increased body weight and no evident shelter selection. The results indicated that UV exposure affects fish energetic balance and habitat selection to favor greater protection against radiation. Increased UV exposure in transitory intertidal animals at levels observed in upper intertidal pools may alter the residency time of fish before leaving for the subtidal zone. Therefore, UV-induced energetic changes may determine animal performance and ontogenetic physiological itineraries, whereas shelter quality might determine habitat use.

AB - The amount of ultraviolet (UV) radiation reaching the earth's surface has increased due to ozone layer depletion, and this fact represents an opportunity to evaluate the physiological and behavioral responses of animals to this global-scale stressor. The transitory fish Girella laevifrons inhabits pools in the upper intertidal zone, which is characterized by exposure to a wide range of stressors, including UV radiation. We documented the field magnitude and the impact of UV radiation on oxygen consumption, body mass variations, and shelter (rocky and algae) selection by G. laevifrons. UV-exposed animals showed increased oxygen consumption, slower body weight increase, and active rocky shelter selection. Control fish showed increased body weight and no evident shelter selection. The results indicated that UV exposure affects fish energetic balance and habitat selection to favor greater protection against radiation. Increased UV exposure in transitory intertidal animals at levels observed in upper intertidal pools may alter the residency time of fish before leaving for the subtidal zone. Therefore, UV-induced energetic changes may determine animal performance and ontogenetic physiological itineraries, whereas shelter quality might determine habitat use.

KW - Behavior

KW - Ecophysiological response

KW - Environmental stressor

KW - Fish

KW - Habitat selection

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