Abstract
Oxygen and carbon stable isotope profiles were constructed for two species of large subtropical gastropods of the family Fasciolariidae-Triplofusus giganteus and Fasciolaria tulipa-from the Florida Keys and the Bahamas, to evaluate their life history and to assess their potential as paleoenvironmental proxies. Oxygen isotope profiles revealed T. giganteus and F. tulipa grew their shells for 6 and 3 years, respectively. Both mollusks show faster growth rates during the first half of their lifespan. Mean annual temperatures (MAT) derived from oxygen isotopes for T. giganteus were 26.5 °C and for F. tulipa were 26.7 °C, both matching instrumental MATs of 26.7 and 26.5 °C for the Florida Keys. Both shells, however, failed to record entire mean annual temperature ranges (MART). Fasciolaria tulipa yielded a calculated MART of 5.6 °C compared with a measured MART of 9.3 °C, and T. giganteus showed a calculated MART of 6.9 °C compared with a measured MART of 9.4 °C. Carbon isotopes of T. giganteus were ambiguous and reveal no significant relationships with trends in nutrient concentrations (N and P), dissolved oxygen, and dissolved organic carbon, although they did exhibit more negative values concomitant with landfall of Hurricane Irene and trended to increasing values with ontogeny that could reflect migration. Carbon isotopes in F. tulipa were lower during winters, possibly reflecting seasonal upwelling or seagrass-mediated carbon cycling.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1593-1602 |
| Number of pages | 10 |
| Journal | Marine Biology |
| Volume | 161 |
| Issue number | 7 |
| DOIs | |
| State | Published - 2014 |
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ASJC Scopus subject areas
- Aquatic Science
- Ecology, Evolution, Behavior and Systematics
- Ecology
Cite this
Stable isotope profiles from subtropical marine gastropods of the family Fasciolariidae : Growth histories and relationships to local environmental conditions. / Strauss, Josiah; Oleinik, Anton; Swart, Peter K.
In: Marine Biology, Vol. 161, No. 7, 2014, p. 1593-1602.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Stable isotope profiles from subtropical marine gastropods of the family Fasciolariidae
T2 - Growth histories and relationships to local environmental conditions
AU - Strauss, Josiah
AU - Oleinik, Anton
AU - Swart, Peter K
PY - 2014
Y1 - 2014
N2 - Oxygen and carbon stable isotope profiles were constructed for two species of large subtropical gastropods of the family Fasciolariidae-Triplofusus giganteus and Fasciolaria tulipa-from the Florida Keys and the Bahamas, to evaluate their life history and to assess their potential as paleoenvironmental proxies. Oxygen isotope profiles revealed T. giganteus and F. tulipa grew their shells for 6 and 3 years, respectively. Both mollusks show faster growth rates during the first half of their lifespan. Mean annual temperatures (MAT) derived from oxygen isotopes for T. giganteus were 26.5 °C and for F. tulipa were 26.7 °C, both matching instrumental MATs of 26.7 and 26.5 °C for the Florida Keys. Both shells, however, failed to record entire mean annual temperature ranges (MART). Fasciolaria tulipa yielded a calculated MART of 5.6 °C compared with a measured MART of 9.3 °C, and T. giganteus showed a calculated MART of 6.9 °C compared with a measured MART of 9.4 °C. Carbon isotopes of T. giganteus were ambiguous and reveal no significant relationships with trends in nutrient concentrations (N and P), dissolved oxygen, and dissolved organic carbon, although they did exhibit more negative values concomitant with landfall of Hurricane Irene and trended to increasing values with ontogeny that could reflect migration. Carbon isotopes in F. tulipa were lower during winters, possibly reflecting seasonal upwelling or seagrass-mediated carbon cycling.
AB - Oxygen and carbon stable isotope profiles were constructed for two species of large subtropical gastropods of the family Fasciolariidae-Triplofusus giganteus and Fasciolaria tulipa-from the Florida Keys and the Bahamas, to evaluate their life history and to assess their potential as paleoenvironmental proxies. Oxygen isotope profiles revealed T. giganteus and F. tulipa grew their shells for 6 and 3 years, respectively. Both mollusks show faster growth rates during the first half of their lifespan. Mean annual temperatures (MAT) derived from oxygen isotopes for T. giganteus were 26.5 °C and for F. tulipa were 26.7 °C, both matching instrumental MATs of 26.7 and 26.5 °C for the Florida Keys. Both shells, however, failed to record entire mean annual temperature ranges (MART). Fasciolaria tulipa yielded a calculated MART of 5.6 °C compared with a measured MART of 9.3 °C, and T. giganteus showed a calculated MART of 6.9 °C compared with a measured MART of 9.4 °C. Carbon isotopes of T. giganteus were ambiguous and reveal no significant relationships with trends in nutrient concentrations (N and P), dissolved oxygen, and dissolved organic carbon, although they did exhibit more negative values concomitant with landfall of Hurricane Irene and trended to increasing values with ontogeny that could reflect migration. Carbon isotopes in F. tulipa were lower during winters, possibly reflecting seasonal upwelling or seagrass-mediated carbon cycling.
UR - http://www.scopus.com/inward/record.url?scp=84903316038&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84903316038&partnerID=8YFLogxK
U2 - 10.1007/s00227-014-2443-5
DO - 10.1007/s00227-014-2443-5
M3 - Article
AN - SCOPUS:84903316038
VL - 161
SP - 1593
EP - 1602
JO - Marine Biology
JF - Marine Biology
SN - 0025-3162
IS - 7
ER -