Zobrazeno 1 - 10 of 53 pro vyhledávání: '"Olli Järvinen"'
3
Genic variation in isolated marginal populations of the Roman Snail, Helix pomatia L
Autor: Sirkka-Liisa Varvio-Aho, Pekka Salminen, Olli Järvinen, Heikki Sisula
Publikováno v: Hereditas. 82:101-109
Four Finnish and five Swedish populations of Helix pomatia, living at the ecological margin of the species, have been studied electrophoretically. The populations are of different origins, small and completely isolated. However, their polymorphisms a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78acd6d6eb6737fa42b83fcae4574f71
https://doi.org/10.1111/j.1601-5223.1976.tb01543.x
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4
Wing dimorphism as an adaptive strategy in water-striders (Gerris)
Autor: Kari Vepsäläinen, Olli Järvinen
Publikováno v: Hereditas. 84:61-68
Several hypotheses have been suggested to account for the adaptive significance of the different wing morphs in water-striders (Gerris, Heteroptera). Stability and isolation of population sites should favour short-wingedness; increased rates of popul
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98bac1eb1ae3649a7f42e6d040da5e11
https://doi.org/10.1111/j.1601-5223.1976.tb01196.x
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6
Source identification of bulk wet deposition in Finland by positive matrix factorization
Autor: Olli Järvinen, Pia Anttila, Unto Tapper, Pentti Paatero
Publikováno v: Atmospheric Environment. 29:1705-1718
A new variant of factor analysis (positive matrix factorization, PMF) is applied to a Finnish data set (18 years, 15 locations) of monthly bulk wet deposition concentrations of strong acids, SO4, NO3, NH4, total nitrogen (Ntot), total phosphorus (Pto
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::206cd421587859f047c33ed5fc106ebd
https://doi.org/10.1016/1352-2310(94)00367-t
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7
Finnish experiences of QUASIMEME I
Autor: Olli Järvinen, Kirsti Erkomaa, Anna-Mari Suortti, Kaija Korhonen, Kirsti Haapala, Pirjo R. Lihtamo, Satu I. Vuolas
Publikováno v: Marine Pollution Bulletin. 35:164-166
The authors outline the institutional benefits and improvements in analytical methodology arising as a result of their participation in the QUASIMEME project.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::516ff80bd3687d487afa16463df943bd
https://doi.org/10.1016/s0025-326x(97)00164-1
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9
Trace metal concentrations in the water of small lakes, Finland
Autor: Olli Järvinen, Jaakko Mannio, Matti Verta
Publikováno v: Applied Geochemistry. 8:57-59
Concentrations of metals (Cd, Pb, Ni, Cu, Zn, Mn, Al and Fe) were measured in 256 lakes in 1987 as part of a nationwide acidification survey. Concentrations generally followed the pattern of atmospheric deposition observed in snowpack and moss chemis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8ba1c10e6545c69b101e6d0ee905193
https://doi.org/10.1016/s0883-2927(09)80011-5
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