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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Study of selected factors influencing the nesting population of reed warbler (Acrocephalus scirpaceus)
 KITTLOVÁ, Lucie
The aim of this work was to study the occurrence, abundance and distribution of breeding population of model species Reed Warbler (Acrocephalus scirpaceus) at selected locations. Subsequent evaluation is based on the monitored nesting parameters: nest height above water surface, water depth, distance of the nest from unvegetated water surface, the distance of the nest from the nearest fixed point, and number of stalks on which the nest was built. Diet spectrum was also detected. The results were statistically analysed in order to find out if and how these factors could influence nesting success and density of Reed Warbler population. Marginal influence on nesting success was found out only in these parameters: the number of stalks (the nests with three stalks was the most successful) and the distance from the fixed point. Successful nests were about 26% further (1.8 m) than the unsuccessful nests that could be explained by the predator factor. The most numerous insect orders in selected locations were Diptera (60%), Hymenoptera (21%) and Araneae (12%).
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Observation of nesting parameters of reed warbler \kur{(Acrocephalus scirpaceus)} at accidentally chosen localities in PLA Trebonsko.
 ZÁRUBOVÁ, Marie
The aim of this work was to realize some regular monitoring of nesting occurrence of Reed-warbler (Acrocephalus scirpaceus), measure all nesting parameters of each found nest {--} nesting placing in a vegetation, characteristic of vegetation, running of nesting {--} and explain which factors should play a role in a seizing of these localities {--} to explain a measure of nesting predation by way of artificial nests. Statistically analyze these parameters and find some dependence and relations which should influence running or success of nesting.
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