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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Dynamics of pollination networks in time and space
 Matějková, Zuzana ; Hadrava, Jiří (advisor) ; Tropek, Robert (referee)
This bachelor's thesis focuses on changes in pollination networks on different spatio-temporal scales. It covers in detail the essence and magnitude of these changes in communities of pollinators and plants. The thesis outlines the consequences of these changes for these communities and the way it affects the methodological aspects of studying plant-pollinator networks. I present the existing dynamics of Pollination networks on broad geografical scales as well as changes in local communities. I also describe the temporal changes of communities of plants and pollinators, consisting of diurnal and seasonal dynamics, not exluding the changes on even broader temporal scales. It has been shown that plant-pollinator networks are highly dynamic in space and time. These dynamics consist of species and interaction turnover, as well as of changes in the overall diversity of communities of plants and pollinators. Biodiversity dependent characteristics of pollination networks are affected by the described spatio-temporal dynamics, while characteristics that are biodiversity independent stay relativly stable on broader temporal scales.
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Territorial system of ecological stability (ecological networks), the evidence and an analysis of newly established biocenters and biocorridors in model area
 Hofman, Milan ; Lipský, Zdeněk (advisor) ; Skaloš, Jan (referee)
The ecological networks are a widely discussed subject in a local and a pan-European scale. There were a formation of the Territorial system of ecological stability in Czechoslovakia during eighties. TSES can be considered for a main part of ecological networks. Understanding the theoretical basics and a delimitation of ecological networks and TSES are necessary. These knowledges allow a correct application to practice. Therefore a main part of the study is literature search. There are summarize important studies of this interdisciplinary subject in the bachelor thesis. New elements of TSES have been creating almost thirty years. Their registr and evaluation should be an integral part of the process. We have found out sixteen new elements of TSES in the Kutná Hora district. We researched seven of them. We focused on a contemporary composition of trees and bushes. We analyzed it with project documentations and we tried to predict a future prosperity. New elements of TSES still need to care that depends on specific conditions of each habitat.
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