Geographical distributions and ecological ranges of the dominant snail species in China and their palaeoclimatic implications,Palaeogeography, Palaeoclimatology, Palaeoecology

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Geographical distributions and ecological ranges of the dominant snail species in China and their palaeoclimatic implications
Palaeogeography, Palaeoclimatology, Palaeoecology ( IF 3 ) Pub Date : 2024-02-27 , DOI: 10.1016/j.palaeo.2024.112108
Yajie Dong , Naiqin Wu , Fengjiang Li , Houyuan Lu

Fossil land snails in aeolian sediments are useful for reconstructing past environments, but quantitative knowledge about their geographical and climatic distribution is limited. We conducted a systematic survey of snails in 402 surface soil samples from China, spanning the climatic range from cold temperate to subtropical. The dominant snail species include , , , , , , and . Using the Maximum Entropy model, we determined the geographical distribution of individual species. and are abundant mainly in warm-temperate and subtropical regions, while and occurred mainly in semi-arid regions. Quantitative estimates of the optimal climatic parameters and tolerance ranges for the snail species were obtained using weighted averaging. Cold aridiphilous species like (MAT: ∼5.1–12.5 °C, MAP: ∼400–640 mm) and (∼6.2–10.9 °C, ∼390–580 mm) demonstrate greater adaptability and tolerance to lower temperatures compared to the thermo-humidiphilous (∼10.0–15.8 °C, ∼500–1100 mm), and (∼9.9–15.3 °C, ∼490–960 mm). These quantitative climate ranges and geographical distributions can be applied to Quaternary snails in China to accurately quantify past climates.

更新日期：2024-02-27

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