Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Robert Patzner"'
Publikováno v:
Folia Malacologica. 27:235-240
Autor:
Robert Patzner, Mario Freinschlag
Publikováno v:
Zoology in the Middle East. 55:41-46
Nine shrimp-goby species (Amblyeleotris steinitzi, A. sungami, Cryptocentrus caeruleopunctatu0, C. cryptocentrus, C. lutheri, Ctenogobiops maculosus, Lotilia graciliosa, Tomiyamichthys latruncularius, Vanderhorstia delagoae) were found at the fringin
Publikováno v:
Acta Zoologica. 91:88-95
Furbock, S., Patzner, R.A. and Lahnsteiner, F. 2008. Fine structure of spermatozoa of Chondrostoma nasus and Rutilus meidingerii (Teleostei, Cyprinidae), as revealed by scanning and transmission electron microscopy. — Acta Zoologica (Stockholm) 91:
Publikováno v:
Animal Reproduction Science. 114:256-268
The properties and behaviour of common carp, Cyprinus carpio , eggs in water and in ovarian fluids were studied at different temperature, pH, and with divalent cation concentrations. The biochemical composition of zona radiata externa (ZRE) was analy
Autor:
Robert Patzner
Publikováno v:
Journal of Zoological Systematics and Evolutionary Research. 27:135-141
The testes and associated accessory organs of two blenniid fishes are described. The testicular organs of Salarias fasciatus consist of a testicular gland adjacent to the testis, chambered seminal vesicles serving as a reservoir for spermatozoa and t
Publikováno v:
The Open Fish Science Journal. 2:50-54
Sand dwelling species of Coryphopterus live in shared habitats and were reported to have a similar ecology. Species lineages within the western Atlantic Coryphopterus have recently been reconciled; fish which according to the common keys had formerly
Autor:
Robert Patzner, Annemarie Kramer
Publikováno v:
Acta Ichthyologica Et Piscatoria. 38:97-102
Currently, the gobiid genus Coryphopterus Gill, 1863 includes 13 western Atlantic species (Victor 2008). The sand dwelling species have been reported to live in similar habitats and therefore the question arises in how far they differ in ecological a
Publikováno v:
Aquaculture. 273:744-747
In the eggs of the brown trout, Salmo trutta fario , lipid droplets are clearly visible beneath the oolemma on the surface of the protein yolk. When examining the distribution of lipid vesicles in egg batches of different quality, four categories of
Autor:
Robert Patzner, Anke Oertel
Publikováno v:
Marine Ecology. 28:60-65
Cave diving expeditions were conducted in the Golfo di Orosei in June/July 2003 and July 2004. The main site of the exploration was located 500 m north of Cala Sisine (Fig. 1). The cave system of Grotta del Bel Torrente is one of the biggest in Sarde
Publikováno v:
Ecology of Freshwater Fish. 16:54-63
– Stock density indices are numerical population descriptors derived from length-frequency data and has been mostly applied to North American sport fish populations to define the structure of the population. Traditional relative-stock-density and p