Impact of anthropogenic ocean acidification on thermal tolerance of the spider crab Hyas araneus

By K. Walther, F. Sartoris, C. Bock, H. Pörtner. 2009

144 citations recorded by the source corpus.

Abstract. Future scenarios for the oceans project combined developments of CO2 accumulation and global warming and their impact on marine ecosystems. The synergistic impact of both factors was addressed by studying the effect of elevated CO2 concentrations on thermal tolerance of the cold-eurythermal spider crab Hyas araneus from the population around Helgoland. Here ambient temperatures characterize the southernmost distribution limit of this species. Animals were exposed to present day normocapnia (380 ppm CO2), CO2 levels expected towards 2100 (710 ppm) and beyond (3000 ppm). Heart rate and haemolymph PO2 (PeO2) were measured during progressive short term cooling from 10 to 0°C and during warming from 10 to 25°C. An increase of PeO2 occurred during cooling, the highest values being reached at 0°C under all three CO2 levels. Heart rate increased during warming until a critical temperature (Tc) was reached. The putative Tc under normocapnia was presumably >25°C, from where it fell to 23.5°C under 710 ppm and then 21.1°C under 3000 ppm. At the same time, thermal sensitivity, as seen in the Q10 values of heart rate, rose with increasing CO2 concentration in the warmth. Our results suggest a narrowing of the thermal window of Hyas araneus under moderate increases in CO2 levels by exacerbation of the heat or cold induced oxygen and capacity limitation of thermal tolerance.

Subfields: Ecology, Oceanography

View Paper: https://www.semanticscholar.org/paper/1e9ca60736e65b41bc4a2aa15586172cad7d94fd

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Ecology

1. Inna M. Sokolova
2. H. Pörtner
3. G. Lannig
4. Pauline Ross
5. W. O'Connor
6. L. Parker
7. K. Anger
8. K. Walther

In Oceanography

1. H. Pörtner
2. Inna M. Sokolova
3. Pauline Ross
4. L. Parker
5. W. O'Connor
6. G. Lannig
7. A. Sukhotin
8. Rita Bagwe

Citations in the corpus

• Energy homeostasis as an integrative tool for assessing limits of environmental stress tolerance in aquatic invertebrates. (2012, background): “…scope due to the disturbances in cell volume, ion and acidebase regulation as well as ventilation and circulation (Caldeira and Wickett, 2003, 2005; Ishimatsu et al., 2004; Pörtner et al., 2004; Ishimatsu et al., 2005; Shirayama and Thornton, 2005; Metzger et al., 2007; Walther et al., 2009).”
• Impacts of ocean acidification on marine shelled molluscs (2013, result): “This may indicate enhanced sensitivity to temperature at elevated p CO 2 , in similar ways as seen in crustaceans (Metzger et al. 2007; Walther et al. 2009).”
• Effects of ocean acidification and warming on the larval development of the spider crab Hyas araneus from different latitudes (54° vs. 79° N) (2010, background): “…of CO2 on various physiological processes and performances (Chionoectes tanneri: Pane & Barry 2007, Cancer pagurus: Metzger et al. 2007, Necora puber : Spicer et al. 2007, Palaemon pacificus: Kurihara et al. 2008, Semibalanus balanoides: Findlay et al. 2009, Hyas araneus: Walther et al. 2009).”
• Acidification and warming affect both a calcifying predator and prey, but not their interaction (2012, background): “Brittle stars ex - hibit muscle wastage upon seawater acidification, due to increased metabolism and calcification (Wood et al. 2008).”
• Oxygen- and capacity-limitation of thermal tolerance: a matrix for integrating climate-related stressor effects in marine ecosystems (2010, background): “Recent data indicate that arterial hypoxaemia upon cold exposure is less expressed in cold temperate crustaceans like Hyas araneus or Cancer pagurus (Metzger et al., 2007; Walther et al., 2009).”
• Physiological and ecological responses of crustaceans to ocean acidification (2011, unknown): “…physiological consequences of ocean acidification and temperature have been restricted to 2 species of subtidal crabs, Cancer pagurus and Hyas araneus (Metzger et al. 2007, Walther et al. 2009), and to a species of nektonic shallow-water prawn, Metapenaeus joyneri (Dissanayake & Ishimatsu 2011).”
• Synergistic effects of elevated CO2 and temperature on the metabolic scope and activity in a shallow-water coastal decapod (Metapenaeus joyneri; Crustacea: Penaeidae) (2011, background): “…sensitivity to the synergistic effects of temperature and hypercapnia, which have consequences for hypercapnia, hypoxia, and thermal tolerance (Metzger et al., 2007; Pörtner and Farrell, 2008; Walther et al., 2009); however, there is a lack of knowledge of the synergistic effects of these factors.”