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Evidence of arctic grayling thymallus arcticus spawning a highway culvert


, : Evidence of arctic grayling thymallus arcticus spawning a highway culvert. Canadian Field-Naturalist 95(3): 358

Arctic grayling (T. arcticus) eggs were collected in gravel deposits within a circular highway culvert. Because gravel at stream crossings may provide a suitable spawning substrate where none existed before, this alteration is a beneficial effect of road construction.

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Related references

Kratt, LF., 1981: Evidence of Arctic grayling (Thymallus arcticus) spawning in a highway culvert. Arctic grayling (T. arcticus) eggs were collected in gravel deposits within a circular highway culvert. Because gravel at stream crossings may provide a suitable spawning substrate where none existed before, this alteration is a beneficial effect...

Shubin, P.N.; Efimtseva, é.A.; shubin, I.P.; Chelpanova, T.I., 2004: Geographical variation of allele frequencies at the LDH-A* locus in the arctic grayling Thymallus arcticus Pall. and in the European grayling Thymallus arcticus L. The allele frequencies of LDH-A* locus were studied in the population of Siberian grayling from the Kozhym River (Pechora basin) and in the population of European grayling from Pechora, Mezen', and Vym' rivers (Northern Dvina basin). In...

Shubin, PN.; Zakharov, AB., 1984: Hybridization of European grayling Thymallus thymallus (L.) and Arctic grayling Thymallus arcticus (Pallas) in the secondary contact zone of the species. Voprosy Ikhtiologii, 243: 502-504

Shubin P.N.; Zakharov A.B., 1984: Hybridization of the european grayling thymallus thymallus and the arctic grayling thymallus arcticus thymallidae in the zone of species secondary contact. Voprosy Ikhtiologii 24(3): 502-504

Kratt L.F.; Smith R.J.F., 1980: An analysis of the spawning behavior of the arctic grayling thymallus arcticus with observations on mating success. In the Fond du Lac River [Saskatchewan, Canada], adult male Arctic grayling defend territories on the spawning ground for up to 7 days. Females do not defend territories and do not exhibit agonistic behavior during the breeding season. The behavio...

Kratt, LF.; Smith, RJF., 1980: An analysis of the spawning behaviour of the Arctic grayling Thymallus arcticus Pallas with observations on mating success. In the Fond du Lac River Saskatchewan, Canada , adult male Arctic grayling defend territories on the spawning ground for up to 7 days. Females do not defend territories and do not exhibit agonistic behavior during the breeding season. The behavior...

Stamford, M.D.; Taylor, E.B., 2004: Phylogeographical lineages of Arctic grayling (Thymallus arcticus) in North America: divergence, origins and affinities with Eurasian Thymallus. The number and location of Arctic glacial refugia utilized by taxa during the Pleistocene are continuing uncertainties in Holarctic phylogeography. Arctic grayling (Thymallus arcticus) are widely distributed in freshwaters from the eastern side of...

Skopets, M.B.; Prokopev. N.M., 1990: Biological peculiarities of the Arctic grayling subspecies from the north east Asia 1 Kamchatka grayling Thymallus arcticus mertensi. The paper gives biological characterizations of 23 populations of the Kamchatka grayling (Thymallus arcticus mertensi ) which does not form dwarf and short-cycle forms. It can be characterized by low growth rates and the age at maturity of 5-11 ye...

Diggs, M.D.; Ardren, W.R., 2008: Characterization of 12 highly variable tetranucleotide microsatellite loci for Arctic grayling (Thymallus arcticus) and cross amplification in other Thymallus species. We describe the isolation and development of 12 polymorphic tetranucleotide microsatellite loci for Arctic grayling (Thymallus arcticus). In a sample of 46 fish, we observed between three and 20 alleles per locus. All 12 of these loci were also po...

Skopets, M.V.; Prokop'ev, N.M., 1990: Biological characteristics of arctic grayling subspecies in northeast asia russian sfsr ussr i. the kamchatka grayling thymallus arcticus mertensi. The biological characteristics of 23 Kamchatka grayling populations not exhibiting dwarf or short life-history forms are described. Slowed growth is characteristic of populations in regions with a more severe climate, rivers with rapid currents, a...