- Tytuł:
- Biotic interactions, energy pathways and trigger factors of ecosystem dynamics in shallow saline lakes
- Autorzy:
-
Golubkov, Sergei
Golubkov, Mikhail
Balushkina, Evgenia
Litvinchuk, Larisa - Powiązania:
- https://bibliotekanauki.pl/articles/470793.pdf
- Data publikacji:
- 2014
- Wydawca:
- Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
- Tematy:
-
saline lakes
primary production
secondary production
zooplankton
zoobenthos
energy pathways
regime shift - Opis:
- Environmental variables, food-web dynamics and energy pathways were investigated in ecosystems of six shallow lakes of the Crimea with salinity ranging from 24 to 340 ‰. There were considerable inter- and intra-annual fluctuations in the abiotic characteristics of the lakes. All the lakes had a very high concentration of total phosphorus in the water (up to 5.6 gP m-3) due to a great influence of the watershed on the lakes. A high level of primary production (up to 14.9 gC m-2 d-1) was found in the most of the lakes. The lowest primary production was found in the most saline lake with a dense population of the filtrator, Artemia urmiana. Grazing benthic energy pathways were dominant at salinities between 24 and 58 ‰. Greater levels of salinity led to a gradual reduction of benthic and increase of planktonic energy pathways. A fast shift from turbid to clear-water regime was observed in one of the lakes, caused by annual variations in weather conditions
- Źródło:
-
Studia Ecologiae et Bioethicae; 2014, 12, 4; 83-113
1733-1218 - Pojawia się w:
- Studia Ecologiae et Bioethicae
- Dostawca treści:
- Biblioteka Nauki
Artykuł