Terrestrial Invasion of Pomatiopsid Snails in Japan
Author Information
Author(s): Kameda Yuichi, Kato Makoto
Primary Institution: Graduate School of Human and Environmental Studies, Kyoto University
Hypothesis
How did terrestrial pomatiopsid gastropods invade land in the heavy-snow regions of the Japanese Archipelago?
Conclusion
The study found that the terrestrial invasion of Japanese Pomatiopsinae occurred at least twice in snowy regions, which may have facilitated their transition from freshwater to land.
Supporting Evidence
- Phylogenetic analyses revealed multiple colonization events from the Eurasian Continent.
- Habitat shifts from aquatic to terrestrial life occurred at least twice within two Japanese endemic lineages.
- Heavy-snow conditions may have facilitated the transition from freshwater to land.
Takeaway
This study looked at how certain snails moved from living in water to living on land in snowy areas of Japan, showing that they did this at least two times.
Methodology
The researchers conducted molecular phylogenetic analyses and thorough samplings of Japanese pomatiopsid species.
Limitations
The study may not encompass all pomatiopsine genera, as some were excluded from the phylogenetic analysis.
Statistical Information
P-Value
0.000001
Confidence Interval
95% CI: 21.3-12.2 Ma
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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