Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Juhani Hynynen"'
Autor:
Mirja Lahtiperä, Keijo Mäntykoski, Juhani Hynynen, Sirpa Herve, Jukka Särkkä, Jaakko Paasivirta
Publikováno v:
Chemosphere. 67:435-438
The study included one station close to a pollution source (depth 59 m) and another far from polluted areas (depth 40 m). Samples were analysed for organic chlorine, bromine and sulfur compounds. Samples taken with a corer were sliced to the layers o
Publikováno v:
Journal of Paleolimnology. 32:351-374
We examined the effects of heavy pulp mill discharges on the Lake LievestuoreenjA¤rvi ecosystem and the later recovery of diatom and chironomid communities from age-dated short core samples. Beginning in 1927 the lake received a heavy effluent load
Publikováno v:
Journal of Paleolimnology. 30:387-406
Sedimentary diatom frustules and chironomid remains, in addition to the chemical stratigraphy of 32 elements and organic pollutants such as resin acids, PCB, DDT and its metabolites, were studied from core samples taken from Lake Jyvasjarvi in Centra
Autor:
Allan Witick, Kari Lehtinen, Kaj Granberg, Heikki Veijola, Kaijo Mäntykoski, Juhani Hynynen, Jarmo J. Meriläinen, Arja Palomäki
Publikováno v:
Journal of Paleolimnology. 26:11-35
Sedimentary diatom frustules and chironomid remains, in addition to the chemical stratigraphy of 32 elements and resin acids, were studied from short-core samples taken from two basins and a sheltered bay of Lake Paijanne in southern Finland (about 6
Autor:
Olavi Sandman, Pasi Reinikainen, Juhani Hynynen, Jaana Lahtinen, Heikki Simola, Virpi Marttila, Jarmo J. Meriläinen
Publikováno v:
Journal of Paleolimnology. 24:317-329
A short-core paleolimnological investigation was carried out to acquire knowledge of the recent history of Lake Pihlajavesi, Saimaa Lake complex, and define its natural state before cultural disturbances. In the natural state, with negligible human i
Autor:
Pasi Reinikainen, Kaj Granberg, Juhani Hynynen, Anssi Teppo, Arja Palomäki, Jarmo J. Meriläinen
Publikováno v:
Journal of Paleolimnology. 24:251-270
The recent environmental history of Lake Lappajarvi in western Finland (63°00' N, 23°30' E, area 149 km 2 ), a humic, brown water lake with an average phosphorus content of ca. 20 µg l ‐1 , was studied from short core sediment samples taken from
Autor:
Pauli Bagge, Juhani Hynynen
Publikováno v:
Entomologica Fennica
The plecopteran fauna was studied by means of slit traps and hand net during the summers of 1982-1987. A total of 19 plecopteran species comprising c. 4 500 adults and c. 2 900 larvae were sampled in streams. Of these, Capnia atra, Capnopsis schiller
Autor:
Jarmo J. Meriläinen, Juhani Hynynen
Publikováno v:
Acidification in Finland ISBN: 9783642754524
In order to examine the effects of acidity on abundance and community structure of the benthic invertebrates in forest lakes and to evaluate the applicability of certain benthic animals as early warning indicators of lake acidification, 140 lakes, si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fa683759a4e2ddb2f044bf69b5a4fe0
https://doi.org/10.1007/978-3-642-75450-0_52
https://doi.org/10.1007/978-3-642-75450-0_52
Publikováno v:
Tampere University
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b28f296fff26dec4db51d53b8044ec44
https://researchportal.tuni.fi/en/publications/9707240e-d4c3-45ad-a24f-8cc43dd78af7
https://researchportal.tuni.fi/en/publications/9707240e-d4c3-45ad-a24f-8cc43dd78af7
Autor:
Hanna Kalenoja, Ruut Rissanen, Ari Juhani Hynynen, Antti Rehunen, Ossi Ahonen, Tommi Mäkelä, Markus Pöllänen, Tuomas Palonen, Annuska Rantanen, Timo Hirvonen, Petri Tapio
Publikováno v:
Tampere University
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::024e39253cecf7354b97593af3655a63
https://researchportal.tuni.fi/en/publications/abc44d65-39fc-47d9-a4d8-083a5489c47f
https://researchportal.tuni.fi/en/publications/abc44d65-39fc-47d9-a4d8-083a5489c47f