Seasonal and interannual variation of autotrophic picoplankton in a large prealpine lake (Lake Constance)
Seasonal and interannual variation of autotrophic picoplankton in a large prealpine lake (Lake Constance)
复制标题
高山前大型湖泊（博登湖）自养超微型浮游生物的季节和年际变化
DOI：
10.1080/03680770.1989.11898858
复制
发表时间：
1991
期刊：
影响因子：
--
通讯作者：
A. Schweizer
中科院分区：
文献类型：
--
作者：
T. Weisse;A. Schweizer
浮游生物学研究的新方法，特别是落射荧光显微镜和流式细胞术的使用，导致在海洋和淡水生态系统中发现微小（0.2-21'm）的自养微型浮游生物（APP）。虽然小的真核藻类可能占主导地位，局部或暂时的APP组合的大部分似乎是由聚球藻型的chroocococcoid蓝藻。现在已经确定，APP对全世界浮游植物总生物量和初级生产力的贡献很大（综述见STOCKNER & ANTIA 1986，STOCKNER 1988）。然而，尽管它的普遍性和生态重要性，很少有人知道的季节和年际变化的APP。（1986），WATERBURYet等人。（1986）和JocHEM（1988）报道了在沿海和半咸水沃茨中APP生物量和生产的季节性模式。主要在北美湖泊中研究了APP在淡水中的绝对和季节分布（克雷格1983，PICK & Caron 1987，FAHNENSTIEL & ITTURIAGA 1988，STOCKNER & SHORTREED 1989）。WEISSE（1988年）描述了中欧一个大湖康斯坦茨湖一年内APP的生长动态。在这里，我们扩展了这些信息，并比较了连续三年在博登湖APP丰度和生物量的季节性发展。APP人口动态将讨论有关的主要气象，水文和生物条件的浮游生物，并确定触发的季节性变化的关键因素。
New methods in planktological research, especially the use of epifluorescence microscopy and flow cytometry, have led to the discovery of minute (0.2-21'm) autotrophic picoplankton (APP) both in marine and freshwater ecosystems. Although small eukaryotic algae may dominate locally or temporarily, the bulk of the APP assemblages appears to be composed of chroococcoid cyanobacteria of the Synechococcus type. lt is now well established that APP contribute substantially to total phytoplankton biomass and primary production worldwide (for review see STOCKNER & ANTIA 1986, STOCKNER 1988). However, in spite of its ubiquity and ecological importance, little is known abou t the seasonal and interannual variation of APP. joiNT et al.(1986), WATERBURYet al.(1986) andJocHEM (1988) reported on the seasonal pattern of APP biomass and production in coastal marine and brackish waters. Abundance and seasonal distribution of APP in freshwater have been studied mainly in North American lakes (CRAIG 1983, PICK & CARON 1987, FAHNENSTIEL & ITTURIAGA 1988, STOCKNER & SHORTREED 1989). WEISSE (1988) described the growth dynamics of APP in the course of one year in Lake Constance, a large lake in central Europe. Here, we extend this information and compare the seasonal development of APP abundance and biomass during three consecutive years in Lake Constance. The APP population dynamics will be discussed in relation to the major meteorological, hydrographical and biological conditions in the pelagial, and the key factors triggering the seasonal variation will be identified.