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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Interakce herbivorního hmyzu a poloparazitických rostlin na druhově bohatých loukách Bílých Karpat
 HOUSKA TAHADLOVÁ, Markéta
Insect, soil and vegetation sampling was carried out to determine processes driving insect and plant diversity in species rich grasslands in the White Carpathian Mountains Protected Landscape Area in the Czech Republic. At the same time, the occurence specialized insects was detected for Melampyrum nemorosum and Rhinanthus spp. (Orobanchaceae).
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Mathematical modelling of the population dynamics of hemiparasitic plants
 SVĚTLÍKOVÁ, Petra
The hemiparasite-host interaction is rather complex, acting as parasitism belowground and as competition for light aboveground. Studies modelling this interaction are rare. The most recent model of the hemiparasite-host interaction was developed from the well-known Rosenzweig-MacArthur predator-prey model by Fibich et al. (2010). Here, I modied the light availability function of the model into a more general form and examined the hemiparasite-host coexistence along a productivity gradient of the environment. The behaviour of presented and analyzed model was shown to depend particularly on parameter g scaling light availability for hemiparasites at high host biomasses. While it suggested the host-hemiparasite coexistence only at intermediate productivities under low g, species could coexist even at high productivities under higher g.
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Biology of hemiparasitic \kur{Melampyrum nemorosum}
 ADAMEC, Vojtěch
The thesis reports distribution and important aspects of biology (host spectrum, effect of the species on plant community and basic ecophysioogical characteristics) of the endangered early ecotype of hemiparasitic plant Melampyrum nemorosum (Orobanchaceae) in the Czech Republic. Comparisons to the frequently occurring late ecotype are also emphasised where relevant.
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