Kryl czy salpy - rola fluktuacji klimatycznych w kształtowaniu sieci troficznej antarktycznego ekosystemu.

• Authors: Anna Panasiuk-Chodnicka , Bartłomiej Jerzak , Justyna Wawrzynek

Title variants

EN

Krill or salps - the role of climate changes in shaping antarctic trophic food web.

• Languages of publication: PL EN

Abstracts

PL

Obserwacje masowego pojawiania się organizmów o galaretowatym, bardzo uwodnionym ciele, w różnych rejonach oceanu światowego, w tym również w obszarach polarnych, spowodowało duży wzrost zainteresowania oceanobiologów tą grupą zwierząt. W artykule dyskutowane są między innymi przyczyny oraz potencjalne konsekwencje ekologiczne i ekonomiczne tego zjawiska. Prawdopodobnym czynnikiem powodującym tak gwałtowny rozwój tych zwierząt, zwłaszcza w Antarktyce, są zmiany klimatyczne, z globalnym ociepleniem na czele. Przewiduje się, że w wyniku masowego rozwoju planktonu "galaretowatego" dojdzie do przebudowy antarktycznej pelagicznej sieci troficznej. Dotychczasowi roślinożercy (skorupiaki i ryby) zostaną zastąpieni przez zwierzęta "galaretowate" - w tym m.in. salpy. Organizmy te cechuje bowiem większa elastyczność ekologiczna. Omawiany proces zachodzący obecnie w Oceanie Południowym będzie miał zapewne niekorzystny wpływ na funkcjonowanie konsumentów wyższych rzędów - takich jak pingwiny, płetwonogie i walenie.

EN

As a result of observed mass occurrence of gelatinous organisms in different regions of the world ocean, including polar regions, marine biologists focused in their studies on this group of animals. The article presents potential ecological and economic consequences of the phenomenon of mass occurrence of gelatinous organisms in various parts of the world. In the Southern Ocean the most likely reason for the rapid development of jellyfish or salps is climate change, in particular the warming effect. The expected result of the mass occurrence of gelatinous zooplankton would be an alteration of the Antarctic pelagic food web, namely dominant existing herbivore - krill would be replaced by gelatinous salps, which are characterized by greater ecological flexibility. This phenomenon in the Southern Ocean region would have a negative impact on the functioning of top consumers - penguins, pinnipeds and cetaceans.

• Journal: Kosmos
• Year: 2013
• Volume: 62
• Issue: 3
• Pages: 409-417

Dates

published

2013

Contributors

author

Anna Panasiuk-Chodnicka

• Zakład Badań Planktonu Morskiego, Instytut Oceanografii, Uniwersytet Gdański, Al. Marszałka Piłsudskiego 46, 81-378 Gdynia, Polska

author

Bartłomiej Jerzak

• Zakład Badań Planktonu Morskiego, Instytut Oceanografii, Uniwersytet Gdański, Al. Marszałka Piłsudskiego 46, 81-378 Gdynia, Polska

author

Justyna Wawrzynek

• Zakład Badań Planktonu Morskiego, Instytut Oceanografii, Uniwersytet Gdański, Al. Marszałka Piłsudskiego 46, 81-378 Gdynia, Polska

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