金藻孢囊的命名以及分类体系重建

金藻孢囊是金藻在生活史中形成的一种特殊结构，其硅质外壳不易被破坏，可以保存很长时间，在海洋、湖泊、沼泽、苔藓、极地和地层中都有大量分布，不仅是现代环境和古环境变化的重要指示物种，同时在藻类系统演化和生物地理分布的研究中有着重要意义。孢囊形态多样，且具有种的特异性。目前规定命名方法为人为的数字命名法。国际上有20余个国家和地区共发现2000余种，存在大量同物异名，绝大部分无法与所属物种对应，数字命名法已无法适应孢囊研究和应用的要求。.本项目拟在广泛标本采集、孢囊观察和培养的基础上，整理国际上有关金藻孢囊资料，研究孢囊分类特征的稳定性及与物种的相互关系，筛选可用于不同分类等级的形态特征，建立新的符合国际植物学命名法规的金藻孢囊命名方法及分类体系，修订同物异名及命名混乱的种类。为金藻孢囊的研究提供新思路，也为世界金藻和金藻孢囊在环境中的应用实现新的突破。

Chrysophycean stomatocyst is a special stage which is formed in the life history of chrysophyte. Their siliceous structures are hard to be destroyed and can be preserved for very long time. The stomatocysts were found in marine, lake, wetland, moss, polar region and stratum. They can be used as one of the most important indicators in the studies of modern and paleoenvironmental change, and have great significance in the study of evolution and biogeographical distribution of algal. The morphology of stomatocyst is very diverse, which is believed to be species-specific. At present, the numerical system is the nomenclature of stomatocysts. About 2000 morphotypes were reported from more than twenty countries and regions, including lots of synonyms, and the biological affinities of most morphotypes are unknown. So the numerical system can’t meet the requirements of the research and application of chrysophycean stomatocysts..This project will take samples widely, culture and identify the chrysophycean stomatocysts, and the information of stomatocysts reported will be arranged. We will study the stable characterizes and their relationship with the chrysophyte species, then choose the morphological characteristics for different classification levels in order to establish the new nomenclature of stomatocysts classification system，which is obey the rules of the International Botanical Nomenclature. The synonyms and confused names will be revised following the new classification system. This project can offer the new idea for the study of chrysophycean stomatocysts, and make new breakthroughs for the application of chrysophyte and stomatocysts in environment study.