Polskie badania antarktycznego sublitoralu techniką nurkową oraz słodkowodnych zbiorników okolic Stacji Antarktycznej PAN im. H. Arctowskiego w pierwszej dekadzie XXI wieku

• Autorzy: Janecki T. , Pociecha A. , Kidawa A.

Warianty tytułu

EN

Polish SCUBA-diving studies of Antarctic sublioral and investigations of freshwater ponds in the vicinity of H. Arctowski Station in the first decade of 21st century

• Języki publikacji: PL

Abstrakty

PL

W skrótowy sposób przedstawiono wybrane polskie badania hydrobiologiczne z ostatniej dekady dwóch biotopów znajdujących się w obrębie obszarów chronionych ASMA No. 1 oraz ASPA No. 128 na Wyspie Króla Jerzego (Szetlandy Południowe, Antarktyka) w sąsiedztwie Stacji Antarktycznej PAN im. Henryka Arctowskiego. Badaniami objęto strefę płytkiego sublitoralu Zatoki Admiralicji oraz drobne zbiorniki słodkowodne okolic stacji. Wykorzystując techniki nurkowe zgromadzono dokumentację fotograficzną zespołów megazoobentosu różniących się od siebie miejsc strefy przybrzeżnej Zatoki Admiralicji. W małych jeziorkach słodkowodnych wykonano badania biologiczne i ekologiczne wybranych gatunków bezkręgowców – wrotków i skorupiaków

EN

In the last 50 years a significant climatic shift has been observed along the Antarctic Peninsula (air and seawater temperature rise, glacial retreat, instances of locally lowered shallow waters salinities). Such changes may have significant impact on the structure and diversity of benthic communities. The areas recently abandoned by glaciers can be used as a model useful for predicting species performance in newly evolved habitats. Underwater observations with photographic documentation were carried out in the Ezcurra Inlet (Admiralty Bay, King George Island, South Shetlands) during austral summer 2009–2010. Significant changes in density, diversity and species composition of benthic communities from areas successively freed of ice were observed. Hydrobiological studies of freshwater bodies in the vicinity of “Arctowski” Station were carried out in the period of 2003–2005 and in 2010. Influence of physico-chemical factors on invertebrate communities of branchiopods Branchinecta gaini, copepods Boeckella poppei, rotifers Notholca squamula salina and diatoms (food base for these filtrator species) were studied in the biggest freshwater reservoire – Lake Wujka. Respiration and life cycles of selected freshwater species were measured and described. A limnological analysis (trophic status, taxonomic structure and ecological role in whole ecosystem) of some astatic freshwaters reservoirs from Point Thomas Oasis region was made

Słowa kluczowe

PL

Antarktyka; Zatoka Admiralicji; zbiorniki wodne; wody slodkie; hydrobiologia; limnologia; sublitoral; zoobentos; bezkregowce wodne; badania hydrobiologiczne; techniki badawcze; nurkowanie; badania podwodne; Stacja Antarktyczna PAN im.H.Arctowskiego; badania polarne; wiek XXI

• Wydawca: -
• Czasopismo: Chrońmy Przyrodę Ojczystą
• Rocznik: 2011
• Tom: 67
• Numer: 3
• Opis fizyczny: s.195-209,fot.,bibliogr.

Twórcy

autor

Janecki T.

• Zakład Biologii Antarktyki, Polska Akademia Nauk, ul.Ustrzykowska 10/12, 02-141 Warszawa

autor

Pociecha A.

autor

Kidawa A.

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