Trophic gradients and associated changes in the plankton community in two bays of Lake Ladoga
Simultaneous analyses of water quality parameters, and the composition of phytoplankton, crustacean and rotifer assemblages were done at two sampling areas in Lake Ladoga: the Sortavala Archipelago (August 1994 and 1995) and the Bay of Volkhov (August 1994). The samples were taken at stations locate...
Main Authors: | , , , , , , , , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Boreal Environment Research Publishing Board
2024
|
Subjects: | |
Online Access: | http://hdl.handle.net/10138/578057 |
id |
ftunivhelsihelda:oai:helda.helsinki.fi:10138/578057 |
---|---|
record_format |
openpolar |
spelling |
ftunivhelsihelda:oai:helda.helsinki.fi:10138/578057 2024-09-09T19:34:21+00:00 Trophic gradients and associated changes in the plankton community in two bays of Lake Ladoga Karjalainen, J. Rahkola, M. Holopainen, A.-L. Huttula, T. Jurvelius, J. Viljanen, M. Avinski, V. Letanskaya, G. Telesh, I. 2024-06-27T13:44:34Z 229-238 application/pdf http://hdl.handle.net/10138/578057 eng eng Boreal Environment Research Publishing Board Boreal Environment Research 1239-6095 1797-2469 3 4 http://hdl.handle.net/10138/578057 Suomen ympäristökeskus CC BY 4.0 openAccess Artikkeli lehdessä 2024 ftunivhelsihelda 2024-08-21T23:48:04Z Simultaneous analyses of water quality parameters, and the composition of phytoplankton, crustacean and rotifer assemblages were done at two sampling areas in Lake Ladoga: the Sortavala Archipelago (August 1994 and 1995) and the Bay of Volkhov (August 1994). The samples were taken at stations located at different distances from the main nutrient-loading points in both areas. The plankton communities in the two study areas differed due to differing hydrological conditions and also with respect to the waste water influence. The effect of nutrient loading on the plankton community is evident along the Bay of Sortavala. However, wind-induced currents from the pelagic zone to the bay also affect the structure of the plankton community. In the Bay of Volkhov, high discharge and turbidity as well as the waste waters appear to decrease phyto- and zooplankton biomasses in comparison to those in the Bay of Sortavala. Article in Journal/Newspaper Boreal Environment Research Rotifer HELDA – University of Helsinki Open Repository |
institution |
Open Polar |
collection |
HELDA – University of Helsinki Open Repository |
op_collection_id |
ftunivhelsihelda |
language |
English |
description |
Simultaneous analyses of water quality parameters, and the composition of phytoplankton, crustacean and rotifer assemblages were done at two sampling areas in Lake Ladoga: the Sortavala Archipelago (August 1994 and 1995) and the Bay of Volkhov (August 1994). The samples were taken at stations located at different distances from the main nutrient-loading points in both areas. The plankton communities in the two study areas differed due to differing hydrological conditions and also with respect to the waste water influence. The effect of nutrient loading on the plankton community is evident along the Bay of Sortavala. However, wind-induced currents from the pelagic zone to the bay also affect the structure of the plankton community. In the Bay of Volkhov, high discharge and turbidity as well as the waste waters appear to decrease phyto- and zooplankton biomasses in comparison to those in the Bay of Sortavala. |
format |
Article in Journal/Newspaper |
author |
Karjalainen, J. Rahkola, M. Holopainen, A.-L. Huttula, T. Jurvelius, J. Viljanen, M. Avinski, V. Letanskaya, G. Telesh, I. |
spellingShingle |
Karjalainen, J. Rahkola, M. Holopainen, A.-L. Huttula, T. Jurvelius, J. Viljanen, M. Avinski, V. Letanskaya, G. Telesh, I. Trophic gradients and associated changes in the plankton community in two bays of Lake Ladoga |
author_facet |
Karjalainen, J. Rahkola, M. Holopainen, A.-L. Huttula, T. Jurvelius, J. Viljanen, M. Avinski, V. Letanskaya, G. Telesh, I. |
author_sort |
Karjalainen, J. |
title |
Trophic gradients and associated changes in the plankton community in two bays of Lake Ladoga |
title_short |
Trophic gradients and associated changes in the plankton community in two bays of Lake Ladoga |
title_full |
Trophic gradients and associated changes in the plankton community in two bays of Lake Ladoga |
title_fullStr |
Trophic gradients and associated changes in the plankton community in two bays of Lake Ladoga |
title_full_unstemmed |
Trophic gradients and associated changes in the plankton community in two bays of Lake Ladoga |
title_sort |
trophic gradients and associated changes in the plankton community in two bays of lake ladoga |
publisher |
Boreal Environment Research Publishing Board |
publishDate |
2024 |
url |
http://hdl.handle.net/10138/578057 |
genre |
Boreal Environment Research Rotifer |
genre_facet |
Boreal Environment Research Rotifer |
op_relation |
Boreal Environment Research 1239-6095 1797-2469 3 4 http://hdl.handle.net/10138/578057 Suomen ympäristökeskus |
op_rights |
CC BY 4.0 openAccess |
_version_ |
1809903836550135808 |