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6
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Introduction
Ziga Ogorelec currently works at the Department of Organisms and Ecosystems Research at the National Institute of Biology, Slovenia. His research is limnology and ichthyology related.
Publications
Publications (6)
Subterranean ecosystems (comprising terrestrial, semi-aquatic, and aquatic components) are increasingly threatened by human activities; however, the current network of surface-protected areas is inadequate to safeguard subterranean biodiversity. Establishing protected areas for subterranean ecosystems is challenging. First, there are technical obst...
In recent years, Lake Constance has experienced an invasion and domination of three-spined stickleback ( Gasterosteus aculeatus ) in the pelagic zone, which has coincided with a decline in the native whitefish ( Coregonus wartmanni ) population. Similar massive invasions of sticklebacks into pelagic zones have been recognized also in marine areas o...
Invasion of non‐native species might alter food web structure and the strength of top‐down control within lake ecosystems. As top‐down control exerted by fish populations is often dominated by young of the year fish, the impact of new fish species might depend on the feeding rates of the juvenile fish. Here we provide comparative analyses of feedin...
![Fig. 1. Mean (± 1 SD) zooplankton taxa densities (individuals [ind.] l...](profile/Ziga-Ogorelec/publication/347201271/figure/fig1/AS:996514180636672@1614598903014/Mean-1-SD-zooplankton-taxa-densities-individuals-ind-l-1-in-control-a_Q320.jpg)
Daphniids act as keystone species in lake ecosystems by controlling phytoplankton biomass and experiencingintense fish predation. However, the importance of single daphniid species as trophic links betweenphytoplankton and fish remains unclear, especially compared with other zooplankton taxa. To disentangle the roleof individual zooplankton taxa in...
V okviru razpisa »Po kreativni poti do praktičnega znanja« je skupina študentov izvedla oceno stanja vodotoka z vidika prehodnosti za vodne organizme. Obravnavali so odseka Save Bohinjke od Bohinjskega jezera do sotočja z gornjo Savo in gornje Save med Trbojskim jezerom in HE Moste. S pomočjo literature je bila evidentirana prisotnost populacij rib...
V okviru razpisa »Po kreativni poti do praktičnega znanja« v sodelovanju Fakultete za gradbeništvo in geodezijo, Fakultete za znanosti o okolju, Nacionalnega inštituta za biologijo in podjetja Geateh d.o.o, ter s podporo Zavoda Umbra in Vodnogospodarskega podjetja d.d. Kranj je skupina 10 študentov, v sodelovanju z mentorji, izvedla oceno stanja vo...
