Vpliv prispevnega območja in gospodarjenja z jezerom na evtrofne in sukcesijske procese v jezerskem ekosistemu - primer ribnikov v dolini Drage pri Igu

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Ključne besede

Podatki

Jezik:	Slovenski jezik
Leto izida:	2008
Izvor:	Ljubljana
Tipologija:	2.11 - Diplomsko delo
Organizacija:	UL FGG - Fakulteta za gradbeništvo in geodezijo
Založnik:	[B. Gradišar]
UDK:	504.4:556.55(043.2)
COBISS:	3947873
Št. ogledov:	1624
Št. prenosov:	439
Ocena:	0 (0 glasov)
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Ostali podatki

Sekundarni jezik:	Angleški jezik
Sekundarni naslov:	Influence of the catchment area and management of the lake to the eutrophic and succession processes in the lake ecosystem - the case of fish ponds in theDraga Valley in the vicinity of Ig
Sekundarni povzetek:	Cycle of matter in lake ecosystems and the influence of loading with nutritional substances on eutrophic process are presented in the Graduation Thesis; abiotic factors are discussed, the role of planktonic and macrophyte vegetations and interactions that occur among them are described. In particular, the Thesis describes characteristics of eutrophication, ways of preventing it from appearing, especially bio-manipulation as a way of changing of biomass on higher trophic levels that by regulating the proportion between zooplankton and phytoplankton enables submerged macrophytes and leads to cleaner water. In connection with eutrophic process, land use in hydrographic hinterland, and the way of management, rules of succession process and its course dynamics in the lake ecosystems are presented. As well described is the influence of morphological characteristics of the lake to distribution of macrophyte vegetation and silting up. In the second part the existing conditions, management and problems in ponds in the Draga Valley near Ig are treated. In order to obtain a better insight into the condition of ponds, measurements of basic physical-chemical parameters with the Hydrolab Datasonder 4 probe were performed. Also, measurements of transparency with the Secchi Disc were carried out. Taking into account the results of the measurement, analysing of the existing condition of ponds and conditions for prospering of various biological communities, the regulation plan proposal is represented, whose basic purpose is improvement of the condition and renovation of the deserted ponds. Also given are basing points and directives for the management of ponds.
Sekundarne ključne besede:	graduation thesis;eutrophication;aquatic macrophytes;cycle of matter;lake ecosystems;abiotic factors;fish farming;succession process;plankton;ponds in the valley of Draga near Ig;
Vrsta datoteke:	application/pdf
Vrsta dela (COBISS):	Diplomsko delo
Komentar na gradivo:	Univ. Ljubljana, Fakulteta za gradbeništvo in geodezijo, Univerzitetni študij Vodarstva in komunalnega inženirstva
Strani:	XII, 146 str., pril.
Vrsta dela (ePrints):	thesis
Naslov (ePrints):	Influence of the catchment area and management of the lake to the eutrophic and succession processes in the lake ecosystem - the case of fish ponds in the Draga Valley in the vicinity of Ig
Ključne besede (ePrints):	evtrofikacija;vodni makrofiti;kroženje snovi;jezerski ekosistemi;abiotski dejavniki;biomanipulacija;ribogojstvo;sukcesijski proces;plankton;ribniki v dolini Drage pri Igu
Ključne besede (ePrints, sekundarni jezik):	eutrophication;aquatic macrophytes;cycle of matter;lake ecosystems;abiotic factors;biomanipulation;fish farming;succession process;plankton;ponds in the valley of Draga near Ig
Povzetek (ePrints):	V diplomski nalogi je predstavljeno kroženje snovi v jezerskih ekosistemih ter vpliv obremenjevanja s hranili na evtrofni proces, obravnavani so abiotski dejavniki, opisana je vloga planktonskih in makrofitskih združb ter interakcij do katerih prihaja med njimi. Podrobneje so opisane značilnosti evtrofikacije, načini njenega preprečevanja, še posebej biomanipulacija kot način spreminjanja biomase na višjih trofičnih nivojih, ki z uravnavanjem razmerja med zooplanktonom in fitoplanktonom omogoči uspevanje submerznih makrofitov in privede do bolj čiste vode. V povezavi z evtrofnim procesom, rabo tal v hidrografskem zaledju ter načinom gospodarjenja so predstavljene zakonitosti sukcesijskega procesa in dinamika njenega poteka v jezerskih ekosistemih. Opisan je vpliv morfoloških značilnosti jezera na porazdelitev makrofitske vegetacije ter zamuljevanje. V drugem delu naloge so obravnavane obstoječe razmere, gospodarjenje ter problematika na ribnikih v dolini Drage pri Igu. Z namenom pridobiti boljši vpogled v stanje ribnikov so bile izvedene meritve osnovnih fizikalno-kemijskih parametrov s sondo Hydrolab Datasonder 4 ter meritve prosojnosti s Secchijevim diskom. Ob upoštevanju rezultatov meritev, analiziranju obstoječega stanja ribnikov ter razmer za uspevanje različnih življenjskih združb, je predstavljen predlog ureditvenega načrta, katerega osnovni namen je izboljšanje stanja ter obnovitev danes zapuščenih ribnikov. Podana so tudi izhodišča in usmeritve za upravljanje in gospodarjenje z ribniki.
Povzetek (ePrints, sekundarni jezik):	Cycle of matter in lake ecosystems and the influence of loading with nutritional substances on eutrophic process are presented in the Graduation Thesis; abiotic factors are discussed, the role of planktonic and macrophyte vegetations and interactions that occur among them are described. In particular, the Thesis describes characteristics of eutrophication, ways of preventing it from appearing, especially bio-manipulation as a way of changing of biomass on higher trophic levels that by regulating the proportion between zooplankton and phytoplankton enables submerged macrophytes and leads to cleaner water. In connection with eutrophic process, land use in hydrographic hinterland, and the way of management, rules of succession process and its course dynamics in the lake ecosystems are presented. As well described is the influence of morphological characteristics of the lake to distribution of macrophyte vegetation and silting up. In the second part the existing conditions, management and problems in ponds in the Draga Valley near Ig are treated. In order to obtain a better insight into the condition of ponds, measurements of basic physical-chemical parameters with the Hydrolab Datasonder 4 probe were performed. Also, measurements of transparency with the Secchi Disc were carried out. Taking into account the results of the measurement, analysing of the existing condition of ponds and conditions for prospering of various biological communities, the regulation plan proposal is represented, whose basic purpose is improvement of the condition and renovation of the deserted ponds. Also given are basing points and directives for the management of ponds.
Ključne besede (ePrints, sekundarni jezik):	eutrophication;aquatic macrophytes;cycle of matter;lake ecosystems;abiotic factors;biomanipulation;fish farming;succession process;plankton;ponds in the valley of Draga near Ig
ID:	8309015