Macroscale patterns in body size of intertidal crustaceans provide insights on climate change effects

Eduardo Jaramillo, Jenifer E. Dugan, David M. Hubbard, Heraldo Contreras, Cristian Duarte, Emilio Acuña, David S. Schoeman

Resultado de la investigación: Article

4 Citas (Scopus)

Resumen

Predicting responses of coastal ecosystems to altered sea surface temperatures (SST) associated with global climate change, requires knowledge of demographic responses of individual species. Body size is an excellent metric because it scales strongly with growth and fecundity for many ectotherms. These attributes can underpin demographic as well as community and ecosystem level processes, providing valuable insights for responses of vulnerable coastal ecosystems to changing climate. We investigated contemporary macroscale patterns in body size among widely distributed crustaceans that comprise the majority of intertidal abundance and biomass of sandy beach ecosystems of the eastern Pacific coasts of Chile and California, USA. We focused on ecologically important species representing different tidal zones, trophic guilds and developmental modes, including a highshore macroalga-consuming talitrid amphipod (Orchestoidea tuberculata), two mid-shore scavenging cirolanid isopods (Excirolana braziliensis and E. hirsuticauda), and a low-shore suspension-feeding hippid crab (Emerita analoga) with an amphitropical distribution. Significant latitudinal patterns in body sizes were observed for all species in Chile (21° - 42°S), with similar but steeper patterns in Emerita analoga, in California (32°- 41°N). Sea surface temperature was a strong predictor of body size (-4% to -35% °C-1) in all species. Beach characteristics were subsidiary predictors of body size. Alterations in ocean temperatures of even a few degrees associated with global climate change are likely to affect body sizes of important intertidal ectotherms, with consequences for population demography, life history, community structure, trophic interactions, food-webs, and indirect effects such as ecosystem function. The consistency of results for body size and temperature across species with different life histories, feeding modes, ecological roles, and microhabitats inhabiting a single widespread coastal ecosystem, and for one species, across hemispheres in this space-fortime substitution, suggests predictions of ecosystem responses to thermal effects of climate change may potentially be generalised, with important implications for coastal conservation.

Idioma originalEnglish
Número de artículoe0177116
PublicaciónPLoS ONE
Volumen12
N.º5
DOI
EstadoPublished - 1 may 2017

Huella dactilar

Climate Change
Body Size
Climate change
Ecosystems
Ecosystem
body size
Crustacea
climate change
ecosystems
Oceans and Seas
Chile
Demography
Beaches
Temperature
beaches
surface temperature
demographic statistics
life history
Isopoda
Amphipoda

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Citar esto

Jaramillo, E., Dugan, J. E., Hubbard, D. M., Contreras, H., Duarte, C., Acuña, E., & Schoeman, D. S. (2017). Macroscale patterns in body size of intertidal crustaceans provide insights on climate change effects. PLoS ONE, 12(5), [e0177116]. https://doi.org/10.1371/journal.pone.0177116
Jaramillo, Eduardo ; Dugan, Jenifer E. ; Hubbard, David M. ; Contreras, Heraldo ; Duarte, Cristian ; Acuña, Emilio ; Schoeman, David S. / Macroscale patterns in body size of intertidal crustaceans provide insights on climate change effects. En: PLoS ONE. 2017 ; Vol. 12, N.º 5.
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abstract = "Predicting responses of coastal ecosystems to altered sea surface temperatures (SST) associated with global climate change, requires knowledge of demographic responses of individual species. Body size is an excellent metric because it scales strongly with growth and fecundity for many ectotherms. These attributes can underpin demographic as well as community and ecosystem level processes, providing valuable insights for responses of vulnerable coastal ecosystems to changing climate. We investigated contemporary macroscale patterns in body size among widely distributed crustaceans that comprise the majority of intertidal abundance and biomass of sandy beach ecosystems of the eastern Pacific coasts of Chile and California, USA. We focused on ecologically important species representing different tidal zones, trophic guilds and developmental modes, including a highshore macroalga-consuming talitrid amphipod (Orchestoidea tuberculata), two mid-shore scavenging cirolanid isopods (Excirolana braziliensis and E. hirsuticauda), and a low-shore suspension-feeding hippid crab (Emerita analoga) with an amphitropical distribution. Significant latitudinal patterns in body sizes were observed for all species in Chile (21° - 42°S), with similar but steeper patterns in Emerita analoga, in California (32°- 41°N). Sea surface temperature was a strong predictor of body size (-4{\%} to -35{\%} °C-1) in all species. Beach characteristics were subsidiary predictors of body size. Alterations in ocean temperatures of even a few degrees associated with global climate change are likely to affect body sizes of important intertidal ectotherms, with consequences for population demography, life history, community structure, trophic interactions, food-webs, and indirect effects such as ecosystem function. The consistency of results for body size and temperature across species with different life histories, feeding modes, ecological roles, and microhabitats inhabiting a single widespread coastal ecosystem, and for one species, across hemispheres in this space-fortime substitution, suggests predictions of ecosystem responses to thermal effects of climate change may potentially be generalised, with important implications for coastal conservation.",
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Jaramillo, E, Dugan, JE, Hubbard, DM, Contreras, H, Duarte, C, Acuña, E & Schoeman, DS 2017, 'Macroscale patterns in body size of intertidal crustaceans provide insights on climate change effects', PLoS ONE, vol. 12, n.º 5, e0177116. https://doi.org/10.1371/journal.pone.0177116

Macroscale patterns in body size of intertidal crustaceans provide insights on climate change effects. / Jaramillo, Eduardo; Dugan, Jenifer E.; Hubbard, David M.; Contreras, Heraldo; Duarte, Cristian; Acuña, Emilio; Schoeman, David S.

En: PLoS ONE, Vol. 12, N.º 5, e0177116, 01.05.2017.

Resultado de la investigación: Article

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