Click
here to close Hello! We notice that
you are using Internet Explorer, which is not supported by Echinobase
and may cause the site to display incorrectly. We suggest using a
current version of Chrome,
FireFox,
or Safari.
The importance of inter-individual variation in predicting species'' responses to global change drivers.
Guscelli E
,
Spicer JI
,
Calosi P
.
???displayArticle.abstract???
Inter-individual variation in phenotypic traits has long been considered as "noise" rather than meaningful phenotypic variation, with biological studies almost exclusively generating and reporting average responses for populations and species'' average responses. Here, we compare the use of an individual approach in the investigation of extracellular acid-base regulation by the purple sea urchin Paracentrotus lividus challenged with elevated pCO2 and temperature conditions, with a more traditional approach which generates and formally compares mean values. We detected a high level of inter-individual variation in acid-base regulation parameters both within and between treatments. Comparing individual and mean values for the first (apparent) dissociation constant of the coelomic fluid for individual sea urchins resulted in substantially different (calculated) acid-base parameters, and models with stronger statistical support. While the approach using means showed that coelomic pCO2 was influenced by seawater pCO2 and temperature combined, the individual approach indicated that it was in fact seawater temperature in isolation that had a significant effect on coelomic pCO2. On the other hand, coelomic [HCO3-] appeared to be primarily affected by seawater pCO2, and less by seawater temperature, irrespective of the approach adopted. As a consequence, we suggest that individual variation in physiological traits needs to be considered, and where appropriate taken into account, in global change biology studies. It could be argued that an approach reliant on mean values is a "procedural error." It produces an artefact, that is, a population''s mean phenotype. While this may allow us to conduct relatively simple statistical analyses, it will not in all cases reflect, or take into account, the degree of (physiological) diversity present in natural populations.
Albright,
Juvenile growth of the tropical sea urchin Lytechinus variegatus exposed to near-future ocean acidification scenarios.
2012, Pubmed,
Echinobase
Albright,
Juvenile growth of the tropical sea urchin Lytechinus variegatus exposed to near-future ocean acidification scenarios.
2012,
Pubmed
,
Echinobase
Aldrich,
Individual variability in oxygen consumption rates of fed and starved cancer pagurus and Maia squinado.
1975,
Pubmed
Arnold,
BEHAVIORAL VARIATION IN NATURAL POPULATIONS. II. THE INHERITANCE OF A FEEDING RESPONSE IN CROSSES BETWEEN GEOGRAPHIC RACES OF THE GARTER SNAKE, THAMNOPHIS ELEGANS.
1981,
Pubmed
Bolnick,
Why intraspecific trait variation matters in community ecology.
2011,
Pubmed
Burton,
Temperature and acid-base balance in ectothermic vertebrates: the imidazole alphastat hypotheses and beyond.
2002,
Pubmed
Byrne,
Global change ecotoxicology: Identification of early life history bottlenecks in marine invertebrates, variable species responses and variable experimental approaches.
2012,
Pubmed
Byrne,
Unshelled abalone and corrupted urchins: development of marine calcifiers in a changing ocean.
2011,
Pubmed
,
Echinobase
Caldeira,
Oceanography: anthropogenic carbon and ocean pH.
2003,
Pubmed
Calosi,
Distribution of sea urchins living near shallow water CO2 vents is dependent upon species acid-base and ion-regulatory abilities.
2013,
Pubmed
,
Echinobase
Calosi,
Multiple physiological responses to multiple environmental challenges: an individual approach.
2013,
Pubmed
Catarino,
Acid-base balance and metabolic response of the sea urchin Paracentrotus lividus to different seawater pH and temperatures.
2012,
Pubmed
,
Echinobase
Cianciaruso,
Including intraspecific variability in functional diversity.
2009,
Pubmed
Collard,
Buffer capacity of the coelomic fluid in echinoderms.
2013,
Pubmed
,
Echinobase
Collard,
Could the acid-base status of Antarctic sea urchins indicate a better-than-expected resilience to near-future ocean acidification?
2015,
Pubmed
,
Echinobase
Deutsch,
Ecophysiology. Climate change tightens a metabolic constraint on marine habitats.
2015,
Pubmed
Dupont,
Impact of near-future ocean acidification on echinoderms.
2010,
Pubmed
,
Echinobase
Ellis,
Does sex really matter? Explaining intraspecies variation in ocean acidification responses.
2017,
Pubmed
Gianguzza,
Temperature modulates the response of the thermophilous sea urchin Arbacia lixula early life stages to CO2-driven acidification.
2014,
Pubmed
,
Echinobase
Grainger,
Intracellular pH controls protein synthesis rate in the sea urchine egg and early embryo.
1979,
Pubmed
,
Echinobase
Hanski,
Extinction-colonization dynamics and host-plant choice in butterfly metapopulations.
2001,
Pubmed
Kroeker,
Impacts of ocean acidification on marine organisms: quantifying sensitivities and interaction with warming.
2013,
Pubmed
Melatunan,
Exposure to elevated temperature and Pco(2) reduces respiration rate and energy status in the periwinkle Littorina littorea.
2011,
Pubmed
Miles,
Effects of anthropogenic seawater acidification on acid-base balance in the sea urchin Psammechinus miliaris.
2007,
Pubmed
,
Echinobase
Newsome,
Using stable isotopes to investigate individual diet specialization in California sea otters (Enhydra lutris nereis).
2009,
Pubmed
Orr,
Anthropogenic ocean acidification over the twenty-first century and its impact on calcifying organisms.
2005,
Pubmed
Padilla-Gamiño,
Temperature and CO(2) additively regulate physiology, morphology and genomic responses of larval sea urchins, Strongylocentrotus purpuratus.
2013,
Pubmed
,
Echinobase
Parmesan,
A globally coherent fingerprint of climate change impacts across natural systems.
2003,
Pubmed
Perry,
Climate change and distribution shifts in marine fishes.
2005,
Pubmed
Pörtner,
Climate change affects marine fishes through the oxygen limitation of thermal tolerance.
2007,
Pubmed
Rastrick,
Living in warmer, more acidic oceans retards physiological recovery from tidal emersion in the velvet swimming crab, Necora puber.
2014,
Pubmed
Sabine,
The oceanic sink for anthropogenic CO2.
2004,
Pubmed
Schlegel,
Individual variability in reproductive success determines winners and losers under ocean acidification: a case study with sea urchins.
2012,
Pubmed
,
Echinobase
Small,
Stage-Specific Changes in Physiological and Life-History Responses to Elevated Temperature and Pco2 during the Larval Development of the European Lobster Homarus gammarus (L.).
2015,
Pubmed
Smith,
Echinoderm immunity.
2010,
Pubmed
,
Echinobase
Spicer,
Acute extracellular acid-base disturbance in the burrowing sea urchin Brissopsis lyrifera during exposure to a simulated CO2 release.
2012,
Pubmed
,
Echinobase
Stachowicz,
Linking climate change and biological invasions: Ocean warming facilitates nonindigenous species invasions.
2002,
Pubmed
Stumpp,
Resource allocation and extracellular acid-base status in the sea urchin Strongylocentrotus droebachiensis in response to CO₂ induced seawater acidification.
2012,
Pubmed
,
Echinobase
Stumpp,
Acidified seawater impacts sea urchin larvae pH regulatory systems relevant for calcification.
2012,
Pubmed
,
Echinobase
Todgham,
Physiological responses to shifts in multiple environmental stressors: relevance in a changing world.
2013,
Pubmed
Truchot,
Carbon dioxide combining properties of the blood of the shore crab Carcinus maenas (L): carbon dioxide solubility coefficient and carbonic acid dissociation constants.
1976,
Pubmed
Vardanis,
Individuality in bird migration: routes and timing.
2011,
Pubmed
Vézina,
Individually variable energy management strategies in relation to energetic costs of egg production.
2006,
Pubmed
