Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Markku Julkunen"'
Publikováno v:
Oecologia. 162:139-152
Parasites that are transmitted through predator-prey interactions may be used as indicators of trophic relationships between organisms. Yet, they are rarely used as such in the construction of topological (predator-prey) food webs. We constructed foo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae477dcad838d15115a71ad1b9f37770
https://doi.org/10.1007/s00442-009-1451-5
https://doi.org/10.1007/s00442-009-1451-5
Publikováno v:
Fisheries Research. 64:5-17
The endangered natural stock of Atlantic salmon ( Salmo salar L.) in the Simojoki river, northern Baltic Sea, has been managed primarily by fishing regulation, and by stocking with parr and smolts. The Finnish national regulation of salmon fishing in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27065d0822048bfc5ff4db27889cde35
https://doi.org/10.1016/s0165-7836(03)00107-3
https://doi.org/10.1016/s0165-7836(03)00107-3
Publikováno v:
Ecography. 25:53-73
The native noble crayfish Astacus astacus L., and the introduced North American signal crayfish Pacifastacus leniusculus Dana, co-occur in Slickolampi, a small lake in southern Finland. That both species have lived side-by-side for 30 yr without any
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5087f28ed5b8bd2a16acc5548c34bad1
https://doi.org/10.1034/j.1600-0587.2002.250107.x
https://doi.org/10.1034/j.1600-0587.2002.250107.x
Publikováno v:
Fisheries Research. 48:15-22
Yearly variations in catchability were analysed in a long-term electrofishing monitoring programme aimed at determining juvenile salmon densities. The mean catchability for both fry (age 0+) and parr (age ≥1+) was significantly lower during the lat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::957db7a247350c64529ecaa1167a2fa0
https://doi.org/10.1016/s0165-7836(00)00113-2
https://doi.org/10.1016/s0165-7836(00)00113-2
Publikováno v:
Aquaculture. 168:105-119
Downstream migration of Atlantic salmon Salmo salar smolt and up and downstream migration of salmon parr were studied in two small tributaries of the large subarctic River Teno, northern Finland. The tributaries are not spawning areas for salmon, but
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73ff736e31c95c121a6eabf808d856b8
https://doi.org/10.1016/s0044-8486(98)00343-3
https://doi.org/10.1016/s0044-8486(98)00343-3
Autor:
E. Tellervo Valtonen, Markku Julkunen
Publikováno v:
Canadian Journal of Fisheries and Aquatic Sciences. 52:233-245
Helminth parasites and diet of seven freshwater fishes (Lota lota and six common prey species) from the Bothnian Bay, Baltic Sea, were studied monthly or bimonthly during 1978. Twenty-one of the 32 parasites with complex life cycles were shared betwe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b4faed378e49ee0d336f43aadf3d68b
https://doi.org/10.1139/f95-531
https://doi.org/10.1139/f95-531
Autor:
Sergei Prusov, Randi Ingvaldsen, Alexander V. Zubchenko, Esa Hassinen, J. Brian Dempson, Marianne Holm, Martin Svenning, Jaakko Erkinaro, Markku Julkunen, Eero Niemelä
Publikováno v:
Canadian Journal of Fisheries and Aquatic Sciences
Long-term variation in Atlantic salmon (Salmo salar) stocks was analyzed in two Barents Sea rivers, the Teno and Näätämöjoki, that represent the northernmost distribution area of the species. In contrast to most of the North Atlantic area, these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7823ed5ed594f3b81cc26be096328f5d
http://hdl.handle.net/11250/108685
http://hdl.handle.net/11250/108685
