Lake stratification in the Carpathian basin and its interesting biological consequences

被引：15

作者：

Borics, Gabor ^{[1
]}

Abonyi, Andras ^{[2
,3
,4
]}

Varbiro, Gabor ^{[1
]}

Padisak, Judit ^{[3
,4
]}

T-Krasznai, Eniko ^{[5
]}

机构：

[1] MTA Ctr Ecol Res, Dept Tisza River Res, Debrecen, Hungary

[2] Bi Eau, Angers, France

[3] Univ Pannonia, Dept Limnol, Veszprem, Hungary

[4] Hungarian Acad Sci, MTA PE Limnoecol Res Grp, Veszprem, Hungary

[5] Nat Conservat & Water Author, Environm Protect, Debrecen, Hungary

来源：

INLAND WATERS | 2015年 / 5卷 / 02期

基金：

美国国家科学基金会;

关键词：

DCM; fetch length; lake-surface area; Lake Number; Schmidt stability; Thiopedia; SHALLOW LAKE; THERMAL STRATIFICATION; SULFUR BACTERIA; PHYTOPLANKTON; CLIMATE; DEPTH; HUNGARY; PHOTOSYNTHESIS; CLASSIFICATION; FLUCTUATIONS;

D O I：

10.5268/IW-5.2.702

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Stratification of small temperate lakes of the Carpathian basin was studied. Values of Schmidt stability and Lake Number indicated stable summer stratification. Depending on their depth and wind shelter, the lakes could be characterized by various stratification patterns. A near-linear stratification was observed in the Malom Tisza oxbow where in summer during midday the whole water column belonged to the metalimnion. Mixing of the upper water layer was generated by nocturnal cooling. Stable stratification had pronounced consequences for the vertical distribution of chemical variables and phytoplankton. Concentration of sestonic chlorophyll showed bimodal distribution produced by algae in the upper and purple bacteria in the deeper layers. These results revealed that processes and phenomena associated with deep stratified lakes can be observed in shallow basins.

引用

页码：173 / 186

页数：14

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