Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Nikolaus Medgyesy"'
Publikováno v:
The Science of the total environment. 853
The introduction of fish into mountain lakes typically leads to profound ecological changes within the food web, but its consequences depend on the dietary preferences of fish and on the resistance of prey organisms against predation. Here we used st
Autor:
Josef Dalla Via, Sanja Baric, Nikolaus Medgyesy, Andreas Meraner, Reinhard Lackner, Andreas Riedl, Bernd Pelster
Publikováno v:
Freshwater Biology. 55:866-880
Summary 1. The watercourses of Austria are mainly part of the Danube drainage system. Nonetheless, only few brown trout (Salmo trutta) populations of the Danubian phylogenetic lineage have been found in this region, not being introgressed by hatchery
Publikováno v:
Hydrobiologia. 542:121-129
Publikováno v:
Journal of Fish Biology. 62:427-435
Complete DNA sequences of the control region revealed a more fine-scale genetic structuring within and among Austrian brown trout Salmo trutta populations providing the opportunity for gene frequency analyses in the phylogeographic context. Ninety-tw
Autor:
Nikolaus Medgyesy, Rudolf Hofer
Publikováno v:
Archiv für Hydrobiologie. 138:509-524
The Arctic char population (Salvelinus alpinus) from a shallow high mountain lake in the Alps (Oberer Plenderlesee, Kuhtai, Tyrol, Austria, 2344 m a.s.l.) was subjected to seasonal studies on growth, reproduction and feeding. Growth rate and conditio
Publikováno v:
Journal of Experimental Biology. 169:165-179
Energy partitioning was studied in the larvae and early juveniles of two species of freshwater fish with different life styles, Coregonus lavaretus and Esox lucius, by measuring simultaneously the rates of feeding, oxygen consumption and growth in lo
Publikováno v:
Developments in Hydrobiology ISBN: 1402037457
The European grayling (Thymallus thymallus) is considered to be threatened in several European regions. In recent decades fishery managers have increasingly turned to stocking programs as one way to combat the negative effect that human influence has
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afdb2a71f843e5cc2aeeba3c604aa905
https://doi.org/10.1007/1-4020-4111-x_15
https://doi.org/10.1007/1-4020-4111-x_15
Publikováno v:
The Journal of experimental biology. 208(Pt 2)
SUMMARYSeveral studies suggest that during early larval development of lower vertebrates convective blood flow is not essential to supply oxygen to the tissues, but information about the oxygenation status of larvae during the time of cutaneous respi
Autor:
Nikolaus Medgyesy, Wolfgang Wieser
Publikováno v:
Aquaculture. 28:327-337
An apparatus with dispensing system permitting continuous or intermittent supply of frozen plankton to fish fry has been developed. The advantage of this system is that thawed zooplankton can be offered in a continuous stream of water and thus can be