My thesis deals with the collecting of basic information and data on riparian vegetation in surroundings of the minor watecourse Rosička through field research and subsequent inventory. In the theoretical part, I outlined the theme of watercourses and their modifications, revitalization and solutions. I also focused on vegetation accompaniment of the flows and their typology. I described the riparian and associated vegetation in detail, focused on their functions and establishment and on taking care of them. The final section of the thesis includes data of my field research. Here can be found the current condition of the species structure and the state of health of the riparian vegetation.

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The finaldiploma thesis isfocused on thecomparison of themulti-annualfoddercrops and permanent grasslands of organic and convention alagriculture and thein farmingsystem. The firstchapters are devoted to a briefdescription of bothtypes of agriculture and thein differences and specifics. In the next part are describe decological, economic and economicsystems of management in selected companies. Finally, a summary of the most important findingsforfurther use or optimizationis proposed.

Graduation theses deals with the mapping of the shore herbal, wood and water vegetation of Mlýnský brook, 9 years after completion the revitalization. The mapping already run before the revitalization. This work compares results from these mappings and judges the influence of the revitalization over the shore and water vegetation.

Grasslands represent a significant part (22 %) of the agricultural land fund in the Czech Republic. Grasslands are primarily responsible for production and non-production functions. They have wide ranges of enlargement and are therefore considered to be one of the richest sources of diversity. Variety of non-productive functions, such as anti-erosion or aesthetic function, are associated with species diversity. For the maintenance of grassland, it is essentials to breed, which consists mainly in mowing and fertilizing. The aim of this diploma thesis was to assess the influence of fertilization intensity (non-fertilized, PK, N90+PK and N180+PK) and different intensity of utilization (two- and free-leaf vegetation) on the species diversity and quality of semi-natural grass on the experimental area of Kameničky in years 2016 and 2017. The percentage of agrobotanic groups was influenced mainly by the intensity of fertilization. The ratio of grasses increased with higher fertilizer intensity, but the impact of fertilization on herbs was opposite. PK fertilization appeared to be positive for the representation of clover. A higher number of cuts appeared to be positive for clover and other herbs. The number of species was highest (P < 0,05) in the non-fertilized variant and PK variant. This also coincides with the diversity index, which showed the highest (P < 0,05) values also on these variants. Three-way use appeared to be positive for higher values of diversity indices. Equivalence reached the highest values on the N90+PK variants where more balanced stands were. The production of forage dry matter and the quality of grassland increased along with the intensity of fertilization. Higher intensity of use was seen as a positive impal on average forage solids production.

The aim of the thesis is to assess an influence on a grassland composition and grassland condition with different grazing method, frequency of grazing and animal composition. A basis is a literature review which contains a brief description of productive and nonproductive function of a permanent grassland, an grazing importance of grassland maintenance, a way and intensity of grazing and The experiment was performed in Carlsbad region (Czech republic), near Fojtov township. The experiment contains botanical images of three different grazings, cattle, horse and sheep. At these grazings where made two two-year cycle observations (2013, 2014), on the 15th of June and on the 13th of September. At these grazings where three different observation areas with different water regime and with different agro-botanical composition. Gained data were used to calculate diversity species indices (Simpsons and Hills), site water regime and a grazing forage value. Data were also statistically processed. A part of this experiment was also to calculate grazing load for a whole grazing period and for one grazing cycle.

This thesis summarizes the results obtained from a study of long-term field trials with permanent grassland, which based on Faculty of Agriculture, University of South Bohemia in the České Budějovice between years 2010 - 2013. Permanent grasslands are managed in different ways (mowing, mulching, fallow) and the intensity of exploitation (harvested 1 - 3 times a year, fertilization). The work was focused on the evaluation of changes in growth composition, biomass production and dry matter content of hay variants. Also were evaluated biodiversityand grazing value of the crop stand. Before each harvest (mowing or mulching) was evaluated growth composition of experimental grasslands on an area of 20 m2. Plant species coverage of individual agro botanical groups was estimated by the reduced projective dominance (% D). Harvested biomass of grassland was considered and sample mown every variantof the experiment was dried (dry matter content). Species diversity was expressed as the number of species and species diversity was expressed in the form of Simpson's index. It was also calculated value describing the quality and productivity ofthe crop stand.

The diploma thesis is divided into three parts: cattle herd management, ethology and economic evaluation. The observation was carried out on the farm which is situated in the mountain region of Šumava mountain with decreasing agricultural production. The main production is cattle breeding without market milk production. These meat breeds (Hereford, Aberdeen angus, Charolais) are bred there.

The analysis of management of sheep and goat breeding on the organic farm is the main aim of my thesis. The herd was examine at the Slunečná organic farm in the Šumava Mountains. The animals were monitored during grasing season by force of metod ethology monitoring. Sheep and goats were monitored and it was done four times for always 24 hours during a grazing period. The method of the direct monitoring was used and the base categories of the behaviour (food intaking, lying, standing and moving) were written down by an interval method - the interval took 10 minutes. The comfortable, mother's, social and sexual behaviour were writen down as well. Gained data from single sighting was expressed absolute and percentage share form total tables and graphs. The results were interpreted on the basis of the study of special literature and legislation about organic farming and animal ethology. The way of sheep and goats farming was according to an inborn biorhythm and gave the animal free and natural ways of behaviour. The physiological and ethological needs of animals are satisfactory. Sheep and goats have the possibility to graze freely on pastures and they effect positively on the landscape management. They keep grasslands without woody plants and weeds.

The Thesis was elaborated on the theme: Farming on permanent grassland (PG) and structure of animal husbandry in enterprises with their superiority. The aim was to analyze number of cattle, milk and meat production, the proportion of PG in Czech Republic and detail in the South Bohemia. A working hypothesis was set as follows, that with increasing altitude, increasing the proportion of grassland. From 1989 till 2009 in the Czech Republic the acreage of grassland increased about 100 thousand he, but in the same period decreased by 2 100 000 pieces in cattle. This has resulted in insufficient load {--} 0.7 LU/he. For comparison I show the average load in the EU {--} 1.1 LU/he. The results show that the proportion of PG in the Czech Republic had increased, but grassing should be more focused. It should also improve the structure of livestock farming on PG and thereby achieve an increase in load and LU/he.