About: Ecology of periphyton in a meltwater stream ecosystem in the maritime Antarctic

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About: Ecology of periphyton in a meltwater stream ecosystem in the maritime Antarctic Goto Sponge Distinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The ecology of two meltwater streams on King George Island, Ornithologists Creek (with penguin rookeries close to its lower reaches) and Petrified Forest Creek (a highly oligotrophic system), was studied during the 1996-97 summer season. To estimate seasonal productivity of the periphyton and to establish which environmental parameters influenced periphyton growth most strongly, two types of artificial substrata (fibreglass nets - ash-free dry weight (AFDW), and microscope slides - Chlorophyll a (Chl a)) were tested in situ. Thus relative periphyton productivity (RPP) reflects algal colonization and growth as well as losses due to cell mortality and abrasive action of moving sediments. The Petrified Forest Creek was more productive (AFDW = 108.63 mug cm(-1) d(-1), Chl a = 0.35 mug g cm(-2) d(-1)) than the Ornithologists Creek (AFDW = 69.90 mug cm(-2) d(-1), Chl a = 0.26 mug cm(-2) d(-1)). RPP differed both along the streams, and during the season. Significant positive or negative relationships (genera The ecology of two meltwater streams on King George Island, Ornithologists Creek (with penguin rookeries close to its lower reaches) and Petrified Forest Creek (a highly oligotrophic system), was studied during the 1996-97 summer season. To estimate seasonal productivity of the periphyton and to establish which environmental parameters influenced periphyton growth most strongly, two types of artificial substrata (fibreglass nets - ash-free dry weight (AFDW), and microscope slides - Chlorophyll a (Chl a)) were tested in situ. Thus relative periphyton productivity (RPP) reflects algal colonization and growth as well as losses due to cell mortality and abrasive action of moving sediments. The Petrified Forest Creek was more productive (AFDW = 108.63 mug cm(-1) d(-1), Chl a = 0.35 mug g cm(-2) d(-1)) than the Ornithologists Creek (AFDW = 69.90 mug cm(-2) d(-1), Chl a = 0.26 mug cm(-2) d(-1)). RPP differed both along the streams, and during the season. Significant positive or negative relationships (genera (en)
Title	Ecology of periphyton in a meltwater stream ecosystem in the maritime Antarctic Ecology of periphyton in a meltwater stream ecosystem in the maritime Antarctic (en)
skos:prefLabel	Ecology of periphyton in a meltwater stream ecosystem in the maritime Antarctic Ecology of periphyton in a meltwater stream ecosystem in the maritime Antarctic (en)
skos:notation	RIV/60076658:12310/03:00005030!RIV/2004/GA0/123104/N
http://linked.open.../vavai/riv/strany	189-201
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA205/94/0156), Z(MSM 143100007)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Elster, Josef
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Jihočeská univerzita v Českých Budějovicích / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	604864
http://linked.open...ai/riv/idVysledku	RIV/60076658:12310/03:00005030
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	environmental parameters, King George Island, meltwater streams, periphyton productivity, South Shetland Islands (en)
http://linked.open.../riv/klicoveSlovo	environmental parameters King George Island South Shetland Islands meltwater streams periphyton productivity
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[62EE38277A64]
http://linked.open...i/riv/nazevZdroje	Antarctic Science
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Changes in the Energy Balance and in the UV Radiation Intensity and Their Influence on Natural Ecosystems in Antarctica.
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	15
http://linked.open...iv/tvurceVysledku	Elster, Josef Komárek, Ondřej
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20143100007
issn	0954-1020
number of pages	13 (xsd:int)
http://localhost/t...ganizacniJednotka	12310

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