Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Mika Raateoja"'
Publikováno v:
TemaNord ISBN: 9789289365123
TemaNord
TemaNord
Estonian, Finnish and Swedish institutes carrying out national HELCOM Baltic Sea monitoring programmes participated in a field inter-calibration for parameters describing eutrophication. The main o ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff9350f41314b01864c9b57251d30709
https://doi.org/10.6027/temanord2020-503
https://doi.org/10.6027/temanord2020-503
Publikováno v:
Journal of Sea Research. 138:24-33
The intensity of the vernal phytoplankton bloom (VPB) was quantified in the Baltic Sea in 1993–2012, and its relation to the wintertime growth-limiting nutrient pool (the dissolved inorganic nitrogen, DIN, in our case) was assessed. The intensity o
Autor:
Henrik Nygård, Laura Uusitalo, Jarno Tuimala, Mika Raateoja, Sanna Suikkanen, Maiju Lehtiniemi, Vivi Fleming-Lehtinen, Harri Kuosa, Sirpa Lehtinen, Jari Raitaniemi
Publikováno v:
Journal of Marine Systems. 167:78-92
We analysed long-term monitoring data from 1979 to 2012 in the Gulf of Bothnia, the northernmost extension of the Baltic Sea, to examine changes in the summer food web structure, and to reveal the factors causing the observed changes. Of the two sub-
Autor:
Harri Kuosa, Antti Räike, Heikki Pitkänen, Oleg P. Savchuk, Pirkko Kauppila, Mika Raateoja, Kim Dahlbo, Jouni Lehtoranta, Jüri Elken
Publikováno v:
Journal of Marine Systems. 171:4-20
The loading of P into the Gulf of Finland has decreased markedly, but no overall trend in the concentration of P has been observed in the open Gulf, where the concentrations of both inorganic N and P still have a pronounced inter-annual variability.
Publikováno v:
Journal of Marine Systems. 80:1-7
The frequently observed, but commonly ignored hydrographic characteristic of the Baltic Sea, the oxygen minimum zone (OMiZ) above and within the summertime thermocline, was studied during the 6-yr monitoring programme encompassing the Gulfs of Bothni
Publikováno v:
Continental Shelf Research. 29:1535-1540
Organic matter production and nitrogen fixation in the central Baltic Sea were studied on the basis of high-resolution CO 2 partial pressure data that were obtained from an automated measurement system deployed on a cargo ship. The net organic carbon
Publikováno v:
Estuarine, Coastal and Shelf Science. 73:489-500
Distribution of cyanobacteria cannot be evaluated using chlorophyll a (Chl a ) in vivo fluorescence, as most of their Chl a is located in non-fluorescing photosystem I. Phycobilin fluorescence, in turn, is noted as a useful tool in the detection of c
Publikováno v:
Limnology and Oceanography. 49:1006-1012
Fast repetition rate (FRR) fluorometry has been used successfully to investigate the variable fluorescence characteristics of cyanobacteria in oceanic Case 1 waters. In these waters, the effective absorption bands of the lightharvesting pigments for
Publikováno v:
Marine Ecology Progress Series. 267:9-26
A seasonal bio-optical monitoring programme was carried out in the SW Finnish coastal zone, Baltic Sea. Photosynthetic performance, spectral absorption characteristics, and fast repetition- rate (FRR) parameters of the phytoplankton community, as wel
Publikováno v:
Polar Biology. 18:62-69
Spatial variations of bacterio- and phytoplankton were studied in order to compare their relationship in open-sea and coastal areas. Sampling was done quasi-synoptically south of the Antarctic Convergence in the Lazarev Sea and in the eastern part of