Wanamaker, Alan D; Kreutz, Karl J; Borns, Harold W; Introne, Douglas S; Feindel, Scott; Funder, Svend; Rawson, Paul D; Barber, Bruce J (2007): (Table S1) Stable isotope record and growth rates of cultured Mytilus edulis [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.833152, Supplement to: Wanamaker, AD et al. (2007): Experimental determination of salinity, temperature, growth, and metabolic effects on shell isotope chemistry of Mytilus edulis collected from Maine and Greenland. Paleoceanography, 22, PA2217, https://doi.org/10.1029/2006PA001352
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Abstract:
To study the effects of temperature, salinity, and life processes (growth rates, size, metabolic effects, and physiological/genetic effects) on newly precipitated bivalve carbonate, we quantified shell isotopic chemistry of adult and juvenile animals of the intertidal bivalve Mytilus edulis (Blue mussel) collected alive from western Greenland and the central Gulf of Maine and cultured them under controlled conditions. Data for juvenile and adult M. edulis bivalves cultured in this study, and previously by Wanamaker et al. (2006, doi:10.1029/2005GC001189), yielded statistically identical paleotemperature relationships. On the basis of these experiments we have developed a species-specific paleotemperature equation for the bivalve M. edulis [T °C = 16.28 (±0.10) - 4.57 (±0.15) {d18Oc VPBD - d18Ow VSMOW} + 0.06 (±0.06) {d18Oc VPBD - d18Ow VSMOW}**2; r**2 = 0.99; N = 323; p < 0.0001]. Compared to the Kim and O'Neil (1997) inorganic calcite equation, M. edulis deposits its shell in isotope equilibrium (d18Ocalcite) with ambient water. Carbon isotopes (d13Ccalcite) from sampled shells were substantially more negative than predicted values, indicating an uptake of metabolic carbon into shell carbonate, and d13Ccalcite disequilibrium increased with increasing salinity. Sampled shells of M. edulis showed no significant trends in d18Ocalcite based on size, cultured growth rates, or geographic collection location, suggesting that vital effects do not affect d18Ocalcite in M. edulis. The broad modern and paleogeographic distribution of this bivalve, its abundance during the Holocene, and the lack of an intraspecies physiologic isotope effect demonstrated here make it an ideal nearshore paleoceanographic proxy throughout much of the North Atlantic Ocean.
Coverage:
Median Latitude: 55.439250 * Median Longitude: -61.617250 * South-bound Latitude: 43.945190 * West-bound Longitude: -69.551190 * North-bound Latitude: 66.933310 * East-bound Longitude: -53.683310
Event(s):
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | Event label | Event | ||||
2 | Sample comment | Sample comment | Wanamaker, Alan D | |||
3 | Sample ID | Sample ID | Wanamaker, Alan D | |||
4 | Temperature, water | Temp | °C | Wanamaker, Alan D | culture | |
5 | Salinity | Sal | Wanamaker, Alan D | culture | ||
6 | δ13C, skeletal carbonate | δ13C skel carb | ‰ PDB | Wanamaker, Alan D | shell | |
7 | δ18O, skeletal carbonate | δ18O skel carb | ‰ PDB | Wanamaker, Alan D | shell | |
8 | δ18O, water | δ18O H2O | ‰ SMOW | Wanamaker, Alan D | ||
9 | Δδ18O | Δδ18O | ‰ | Wanamaker, Alan D | shell-water | |
10 | Mytilus edulis, shell length | M. edulis shell L | mm | Wanamaker, Alan D | ||
11 | Growth rate | µ | mm/month | Wanamaker, Alan D | ||
12 | - | - | Wanamaker, Alan D | linear shell removed [mm] | ||
13 | Temperature, water | Temp | °C | Wanamaker, Alan D | predicted | |
14 | Temperature, difference | delta T | °C | Wanamaker, Alan D | ||
15 | δ13C, dissolved inorganic carbon | δ13C DIC | ‰ PDB | Wanamaker, Alan D | estimated | |
16 | δ13C, skeletal carbonate | δ13C skel carb | ‰ PDB | Wanamaker, Alan D | predicted shell equilibrium | |
17 | δ13C, skeletal carbonate | δ13C skel carb | ‰ PDB | Wanamaker, Alan D | estimated shell equilibrium |
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