@article{oai:nipr.repo.nii.ac.jp:00010197,
 author = {Osono, Takashi and Ueno, Takeshi and Uchida, Masaki and Kanda, Hiroshi and Osono, Takashi and Ueno, Takeshi and Uchida, Masaki and Kanda, Hiroshi},
 issue = {1},
 journal = {Polar science, Polar science},
 month = {Apr},
 note = {Mosses are a dominant component of high-arctic terrestrial ecosystems, yet little is known regarding the abundance and diversity of fungi associated with these abundant plants. We investigated vertical patterns of abundance and diversity of fungi and their relationship with chemical properties within profiles of Hylocomium splendens and Racomitrium lanuginosum collected in the Oobloyah Bay area on Ellesmere Island, Canada. The moss profiles were divided into 6 (H. splendens) and 5 (R. lanuginosum) layers according to the color and texture, and hyphal length, fungal assemblages, and contents of organic chemical components (acid-unhydrolyzable residues, total carbohydrates, extractives) and nutrients (N, P, K, Ca, Mg) were measured. Total hyphal length was greatest at the middle layers of H. splendens and at the deepest layers of R. lanuginosum and was significantly affected by moss species and nutrient contents. A total of 18 and 19 fungal taxa was isolated from the profiles of H. splendens and R. lanuginosum, respectively, with 11 taxa being common to both moss species. Moss species significantly affected the species distribution of fungi. Individual fungal taxa showed patterns of vertical distribution within the moss profiles. The contents of acid-unhydrolyzable residues and nutrients increased and the content of total carbohydrates decreased down the profile, which was attributable to the ability of fungi to decompose carbohydrates selectively and to immobilize nutrients in decomposed moss residues., カナダ高緯度北極・エルズミア島のオーブロヤ湾周辺において、同地域において優占する2種のコケ、イワダレゴケとシモフリゴケの群落（厚さ11?18cm）を採取し、菌類のバイオマスと多様性、およびコケ層の化学性を測定した。コケ層は色調の違いにより6層ないし5層に区分した。全菌糸量はイワダレゴケでは中層で最大となる一山型であったが、シモフリゴケでは下層に向かって増加した。イワダレゴケとシモフリゴケそれぞれから18種、19種の菌類が分離された。出現種数はイワダレゴケでは中層で最小であったが、シモフリゴケでは下層に向かって減少した。酸不溶性残渣と養分の濃度は下層に向かって増加したが、全炭水化物の濃度は逆に下層に向かって減少した。},
 pages = {121--131},
 title = {Abundance and diversity of fungi in relation to chemical changes in arctic moss profiles},
 volume = {6},
 year = {2012}
}