Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Toomas Saat"'
Publikováno v:
Estonian Journal of Earth Sciences, Vol 66, Iss 1, Pp 21-46 (2017)
In this microichthyological study the teeth and bony cores of gill rakers of three pleuronectiform species [European plaice Pleuronectes platessa Linnaeus, 1758 and European flounder Platichthys flesus trachurus (Duncer, 1892), both in the Pleuronect
Externí odkaz:
https://doaj.org/article/f21f4389caa64f04a7151c53d4276f9b
Publikováno v:
Estonian Journal of Earth Sciences, Vol 59, Iss 4, Pp 263-276 (2010)
Small to very small bones (ossicles) in one species each of the families Cyclopteridae and Liparidae (Cottiformes) of the Baltic Sea are described and for the first time illustrated with SEM images. These ossicles, mostly of dermal origin, include de
Externí odkaz:
https://doaj.org/article/52e9ca965c704bda8921ea6c3b2ac157
Publikováno v:
Estonian Journal of Earth Sciences, Vol 59, Iss 3, Pp 216-237 (2010)
Small to very small ossified structures (ossicles) such as cephalic horns, dermal tubercles, fin-ray rods, lateral-line canal segments, branchial tooth plates and gill-raker tubercles of three species of the teleostean fish family Cottidae inhabiting
Externí odkaz:
https://doaj.org/article/47794bf50a2549bc8feb94636279e07c
Publikováno v:
Fisheries. 42:567-570
Percids play an integral role in food webs and freshwater fisheries of the world. Anthropogenic stressors such as pollution, overfishing, invasive species, and climate change threaten percid divers...
Publikováno v:
Estonian Journal of Earth Sciences, Vol 66, Iss 1, Pp 21-46 (2017)
In this microichthyological study the teeth and bony cores of gill rakers of three pleuronectiform species [European plaice Pleuronectes platessa Linnaeus, 1758 and European flounder Platichthys flesus trachurus (Duncer, 1892), both in the Pleuronect
Autor:
Toomas Saat, Kalvi Hubel, Markus Vetemaa, Aare Verliin, Roland Svirgsden, Imre Taal, Martin Kesler, Mehis Rohtla, Lauri Saks, Redik Eschbaum
Publikováno v:
Ichthyological Research. 64:155-158
Autor:
Aare Verliin, Anu Albert, Toomas Saat, Kalvi Hubel, Roland Svirgsden, Mehis Rohtla, Lauri Saks, Markus Vetemaa, Martin Kesler, Imre Taal
Publikováno v:
Helgoland Marine Research. 69:273-283
Egg characteristics of teleost fishes are affected by various abiotic and biotic factors. In order to reproduce successfully, freshwater fishes inhabiting brackish environments must alter their reproductive characteristics, including egg properties,
Autor:
Imre Taal, Aare Verliin, Roland Svirgsden, Toomas Saat, Markus Vetemaa, Mehis Rohtla, Lauri Saks
Publikováno v:
Advances in Limnology. 64:133-152
Autor:
Toomas Saat, Mehis Rohtla, Markus Vetemaa, Lauri Saks, Imre Taal, Martin Kesler, Aare Verliin, Kristjan Urtson, Roland Svirgsden
Publikováno v:
Ecology of Freshwater Fish. 23:141-148
Strontium to calcium (Sr:Ca) and barium to calcium (Ba:Ca) ratios were quantified in 74 otoliths of brackish water-living burbot Lota lota, collected from two regions in the eastern Baltic Sea. Considerable amount of life history plasticity was obser
Autor:
Kristiina Jürgens, Martin Kesler, Markus Vetemaa, Roland Svirgsden, Snežana Nedolgova, Lauri Saks, Imre Taal, Aare Verliin, Toomas Saat
Publikováno v:
Ecology of Freshwater Fish. 23:121-128
We present new data on seasonal diet composition of subadult and adult smelt Osmerus eperlanus in near-shore areas of the eastern Baltic Sea (Gulf of Finland). These findings elucidate the food web structure and the ecological role of smelt in the sh