A desert migration indicator - oxygen isotopic composition of land snail shells

Mordeckai Magaritz; Joseph Heller

doi:10.1016/0031-0182(80)90038-3

A desert migration indicator - oxygen isotopic composition of land snail shells

Mordeckai Magaritz^*
, Joseph Heller

^*Corresponding author for this work

Alexander Silberman Institute of Life Sciences

Research output: Contribution to journal › Article › peer-review

53 Scopus citations

Abstract

The oxygen isotopic compositions of land snail shell carbonate may be used as environmental indicators. A study of a single species, Levantina caesareana, shows that modern snails from an arid zone (less than 300 mm rain) are enriched in ¹⁸O by 2‰ compared to the snail carbonate from a moderate climate zone. These measurements combined with those of the mean diameter of the shell are indicative of the climatic zone in which the snail lives. A comparison of the data on ancient populations with those on the modern one shows that the desert migrated northward in the early Holocene in Israel.

Original language	English
Pages (from-to)	153-162
Number of pages	10
Journal	Palaeogeography, Palaeoclimatology, Palaeoecology
Volume	32
Issue number	C
DOIs	https://doi.org/10.1016/0031-0182(80)90038-3
State	Published - 1980

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abstract = "The oxygen isotopic compositions of land snail shell carbonate may be used as environmental indicators. A study of a single species, Levantina caesareana, shows that modern snails from an arid zone (less than 300 mm rain) are enriched in 18O by 2‰ compared to the snail carbonate from a moderate climate zone. These measurements combined with those of the mean diameter of the shell are indicative of the climatic zone in which the snail lives. A comparison of the data on ancient populations with those on the modern one shows that the desert migrated northward in the early Holocene in Israel.",

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AB - The oxygen isotopic compositions of land snail shell carbonate may be used as environmental indicators. A study of a single species, Levantina caesareana, shows that modern snails from an arid zone (less than 300 mm rain) are enriched in 18O by 2‰ compared to the snail carbonate from a moderate climate zone. These measurements combined with those of the mean diameter of the shell are indicative of the climatic zone in which the snail lives. A comparison of the data on ancient populations with those on the modern one shows that the desert migrated northward in the early Holocene in Israel.

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A desert migration indicator - oxygen isotopic composition of land snail shells

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