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Russell, Bayden D; Thompson, Jo-Anne I; Falkenberg, Laura J; Connell, Sean D (2009): Seawater carbonate chemistry, and Lithophyllum sp. and Feldmannia spp. coverage and dry weight during experiments, 2009. PANGAEA, https://doi.org/10.1594/PANGAEA.758194, Supplement to: Russell, BD et al. (2009): Synergistic effects of climate change and local stressors: CO2 and nutrient-driven change in subtidal rocky habitats. Global Change Biology, 15(9), 2153-2162, https://doi.org/10.1111/j.1365-2486.2009.01886.x

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Abstract:
Climate-driven change represents the cumulative effect of global through local-scale conditions, and understanding their manifestation at local scales can empower local management. Change in the dominance of habitats is often the product of local nutrient pollution that occurs at relatively local scales (i.e. catchment scale), a critical scale of management at which global impacts will manifest. We tested whether forecasted global-scale change [elevated carbon dioxide (CO2) and subsequent ocean acidification] and local stressors (elevated nutrients) can combine to accelerate the expansion of filamentous turfs at the expense of calcifying algae (kelp understorey). Our results not only support this model of future change, but also highlight the synergistic effects of future CO2 and nutrient concentrations on the abundance of turfs. These results suggest that global and local stressors need to be assessed in meaningful combinations so that the anticipated effects of climate change do not create the false impression that, however complex, climate change will produce smaller effects than reality. These findings empower local managers because they show that policies of reducing local stressors (e.g. nutrient pollution) can reduce the effects of global stressors not under their governance (e.g. ocean acidification). The connection between research and government policy provides an example whereby knowledge (and decision making) across local through global scales provides solutions to some of the most vexing challenges for attaining social goals of sustainability, biological conservation and economic development.
Keyword(s):
Benthos; Coast and continental shelf; Community composition and diversity; Containers and aquaria (20-1000 L or < 1 m**2); Entire community; Laboratory experiment; Macro-nutrients; Primary production/Photosynthesis; Rocky-shore community; South Pacific; Temperate
Funding:
Seventh Framework Programme (FP7), grant/award no. 211384: European Project on Ocean Acidification
Sixth Framework Programme (FP6), grant/award no. 511106: European network of excellence for Ocean Ecosystems Analysis
Comment:
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne and Gattuso, 2011) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Experimental treatmentExp treatRussell, Bayden D
2Experimental treatmentExp treatRussell, Bayden D
3SalinitySalRussell, Bayden DMeasured
4Temperature, waterTemp°CRussell, Bayden DMeasured
5Alkalinity, totalATµmol/kgRussell, Bayden DAlkalinity titration kit (Hanna Instruments)
6pHpHRussell, Bayden DMeasuredNBS scale
7Carbon, inorganic, dissolvedDICµmol/kgRussell, Bayden DCalculated using CO2SYS
8AmmoniaNH3µg/lRussell, Bayden DMeasured
9Ammonia, standard errorNH3 std e±Russell, Bayden DMeasured
10Nitrogen oxideNOxµg/lRussell, Bayden DMeasured
11Nitrogen oxide, standard errorNOx std e±Russell, Bayden DMeasured
12PhosphatePO4µg/lRussell, Bayden DMeasured
13Phosphate, standard errorPO4 std e±Russell, Bayden DMeasured
14Lithophyllum sp., dry massLithophyllum sp. dmRussell, Bayden DMeasured
15Lithophyllum sp., dry mass, standard errorLithophyllum sp. w std e±Russell, Bayden D
16Lithophyllum sp., coverLithophyllum sp. cov%Russell, Bayden DMeasured
17Lithophyllum sp., cover, standard errorLithophyllum sp. cov std e±Russell, Bayden D
18Effective quantum yieldYRussell, Bayden Dsee reference(s)Lithophyllum sp.
19Effective quantum yield, standard errorY std e±Russell, Bayden DLithophyllum sp.
20Feldmannia spp., dry massFeldmannia spp. dmRussell, Bayden DMeasured
21Feldmannia spp., dry mass, standard errorFeldmannia spp. w std e±Russell, Bayden D
22Feldmannia spp., coverFeldmannia spp. cov%Russell, Bayden DMeasured
23Feldmannia spp., cover, standard errorFeldmannia spp. cov std e±Russell, Bayden D
24Effective quantum yieldYRussell, Bayden Dsee reference(s)Feldmannia spp.
25Effective quantum yield, standard errorY std e±Russell, Bayden DFeldmannia spp.
26Carbonate system computation flagCSC flagNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
27pHpHNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)Total scale
28Carbon dioxideCO2µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
29Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
30Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
31Bicarbonate ion[HCO3]-µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
32Carbonate ion[CO3]2-µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
33Aragonite saturation stateOmega ArgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
34Calcite saturation stateOmega CalNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
136 data points

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