ZERO Line Lichens

Data on lichen cover (Hult-Sernander) along the ZERO line. For further details, please refer to the newest BioBasis manual and the 1997 ZERO line report available at the website.沿零号线（ZERO line）分布的、采用Hult-Sernander方法的地衣盖度数据。如需获取更多详细信息，请参阅最新版《BioBasis手册》以及可从相关网站获取的1997年零号线报告。