...Sea urchins mainly eat brown algae and calcareous algae, but since their digestive juices do not contain the enzymes to digest plants, they are digested by bacteria in their intestines. The Ezo-bafun and Kitamurasaki sea urchins, which are found from the Tohoku region to Hokkaido, cause harm by eating useful seaweed such as kombu and wakame, but as sea urchins are also an important marine resource, it is probably inevitable that they will be harmed to some extent. Many of the spines contain poison, and if the long, thin spines of the Diadema seaweed pierce the skin, it is very painful. ... *Some of the terminology that refers to "Ezo Bafun" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ウニ類は海藻の褐藻類や石灰藻類をおもに食べるが,ウニの消化液には植物を消化する酵素が含まれていないので,腸内のバクテリアによって消化される。 東北地方から北海道にかけて分布するエゾバフンウニやキタムラサキウニは,コンブやワカメの有用海藻類を食べて害を与えるが,ウニも重要な水産資源の一つであり,ある程度の害を受けるのはしかたがないと思われる。 とげに毒を含むものが多く,ガンガゼの細長いとげが皮膚に刺さると非常に痛い。… ※「エゾバフン」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
...Later it was thought to be part of the underwo...
A field of engineering that connects photons and e...
… [Toshio Hamatani]. … *Some of the terminology t...
…Printing paste consists of paste, dye, chemicals...
A native woman who is said to have helped bring ab...
...Foraging behavior is a general term for behavi...
(Mongolia) A region inhabited by the Mongolian peo...
A general term for a completely new type of polit...
It is a major language group belonging to the Eas...
The 206th Proclamation of the Grand Council of Sta...
The capital of Bahia State, located on the central...
…Koto is a distinctively Japanese concept of exis...
Swiss jurist and Christian ethical writer. His fa...
...This includes seasonal workers who are importe...
…There are about 60 species distributed from Indi...