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縄文 · JōmonNature14 sentences

気候と自然

Climate and Nature

When the ice age ended, the climate gradually became warmer.

The ice melted and the amount of sea water increased.

Sea levels rose, and Japan gradually became separated from the continent.

In this way, the Japanese archipelago as we know it today was formed.

As it grew warmer, rich forests spread across Japan.

Trees such as oaks, chestnuts, and horse chestnuts grew in the forests.

When autumn came, many nuts such as acorns and chestnuts fell to the ground.

Deer, wild boars, and rabbits also lived in the forests.

It is thought that about 6,000 years ago the temperature was higher than today and the sea level was higher too.

The sea reached farther inland than it does today.

This is called the Jōmon transgression (Jōmon kaishin).

At this time Japan was warmer and milder than it is today.

Salmon swam up the rivers, and the sea was full of fish and shellfish.

Thanks to this rich nature, the people of the Jōmon were able to live there for a long time.

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