Uncovering the Mysteries of Nature
The Kujukushima Visitor Center works closely with universities and municipal organizations to conduct regular investigations and surveys of the islands. This is essential to continue preserving the natural treasures of the islands, and also offers a better understanding of the individual ecosystems and the forces affecting the environment.
For example, a 2000 survey of the uninhabited island of Tokoi uncovered the presence of a flowering vine called tobikazura (Mucuna sempervirens). While this protected purple-flowered plant is found across southwestern China, this is the first time it was found growing wild in Japan. How the vine came to thrive here is still a mystery—theories include continental drift, seeds floating in from China, or being brought in by humans.
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Discovery of Tobikazura
This rare flowering plant blooms in natural wooded settings, and was found during a botanical survey of Tokoi Island.
Examining Flowering Lilium speciosum
A regular investigation of this member of the lily family, known as kanoko yuri in Japanese.
Survey of Ocean-Dwelling Water Striders
Researchers are studying two species of endangered ocean water striders in the Kujukushima islands: shio amenbo (Halovelia septentrionalis Esaki) and shio umiamenbo (Halobates japonicus). The insect is the mascot of the Visitor Center; a large stuffed umiamenbo is on display above the front desk.
Water Quality Check
The water is checked twice a month to keep an eye on temperature, clarity, and any changes.
Ice Goby Spawning Survey
The ice goby, or shirouo (Leucopsarion petersii) is an important seasonal food fish. It can even spawn in the small rivers that run through some of the islands of Kujukushima.
Survey of Ocean Vegetation
Specialists and volunteers join forces to survey the distribution of the many forms of ocean vegetation found in Kujukushima.
