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Long-distance plant dispersal in rivers
 Krajníková, Anežka ; Fér, Tomáš (advisor) ; Hroudová, Zdenka (referee)
The aim of this bachelor thesis is to summarise present methods used in the research of dispersal river plants. Generally the dispersal of all kinds of plants which can be dispersed in water corridors, both dispersed in the water column and at the bottom of the channel. The bachelor thesis is a literatural rewiev. The main part of it is focused on direct methods of research of hydrochory and problems which could arise with individual methods. Each method is suitable for different set of circumstances and it is necessary to know in advance what kind of data we want to obtain. The direct methods includes: catching of the seeds directly from the stream - at one time, but repeatedly, or long term catching by using floating traps. Secondly we can use seed mimics or marked diasporas. The second part is focused on other factors which can influence long-distance plant dispersal in rivers. They include the degree to which are rivers regulated and the fluctuation off water level during years. The paper also includes a part which summarise the evidence on long distance dispersal of river plants. Powered by TCPDF (www.tcpdf.org)
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