18,152 Works

Macrozoobenthos biomass in the prospective wind farm "Butendiek" and surroundings (2003-08)

Werner Armonies & Christian Buschbaum
88 stations have been sampled with a box corer (0.02 m² surface area, 2 replicates per station) and sieved through 1 mm meshes. The residual fauna was fixed in buffered formaline solution and later sorted to species level. Biomass per species (wet weight) was determined by weighing for large sized species and calculated from averages of previous studies for small sized species.

Macrozoobenthos biomass in the prospective wind farm "Butendiek" and surroundings (2003-03)

Werner Armonies & Christian Buschbaum
88 stations have been sampled with a box corer (0.02 m² surface area, 2 replicates per station) and sieved through 1 mm meshes. The residual fauna was fixed in buffered formaline solution and later sorted to species level. Biomass per species (wet weight) was determined by weighing for large sized species and calculated from averages of previous studies for small sized species.

Macrozoobenthos abundance in the prospective wind farm "Butendiek" and surroundings (2003-08)

Werner Armonies & Christian Buschbaum
88 stations have been sampled with a modified reineck box corer (0.02 m² surface area, 2 replicates per station) and sieved through 1 mm meshes. The residual fauna was sorted to species level whenever possible.

Granulometric composition of surface sdiments in the prospective wind farm "Butendiek" and surrounding (2003-08)

Werner Armonies & Christian Buschbaum
The surface sediments of 88 stations (2 replicates) have been analysed by dry sieving. Given are the percentages by dry weight of the sieve fractions. The sediment subsamples came from the same box cores that were analysed for macrozoobenthos and directly relate to the respective faunal data.

Granulometric composition of surface sdiments in the prospective wind farm "Butendiek" and surrounding (2003-03)

Werner Armonies & Christian Buschbaum
The surface sediments of 88 stations (2 replicates) have been analysed by dry sieving. Given are the percentages by dry weight of the sieve fractions. The sediment subsamples came from the same box cores that were analysed for macrozoobenthos and directly relate to the respective faunal data.

Macrozoobenthos abundance in the prospective wind farm "Butendiek" and surroundings (2003-03)

Werner Armonies & Christian Buschbaum
88 stations have been sampled with a modified reineck box corer (0.02 m² surface area, 2 replicates per station) and sieved through 1 mm meshes. The residual fauna was sorted to species level whenever possible.

(Table 1) Dissolved organic carbon, water temperature and conductivity in three subarctic ponds near Kilpisjärvi, North Finland, supplement to: Zellmer, Iris D; Arts, M; Abele, Doris; Humbeck, Klaus (2004): Evidence of sublethal damage in Daphnia (Cladocera) during exposure to solar UV radiation in subarctic ponds. Arctic, Antarctic, and Alpine Research, 36(3), 370-377

Iris D Zellmer, M Arts, Doris Abele & Klaus Humbeck
Daphnia was collected from five subarctic ponds which differed greatly in their DOC contents and, consequently, their underwater light (UV) climates. Irrespective of which Daphnia species was present, and contrary to expectations, the ponds with the lowest DOC concentrations (highest UV radiation levels) contained Daphnia with the highest eicosapentaenoic acid (EPA) concentrations. In addition, EPA concentrations in these Daphnia generally decreased in concert with seasonally increasing DOC concentrations.Daphnia from three of the ponds was also...

(Table 2) Integrated values of heterotrophic picoplankton and primary production (euphotic zone) in the Antarctic polar frontal region during POLARSTERN cruise ANT-XVI/3

Meinhard Simon, Bernd Rosenstock & Walter Zwisler

Geochemistry of black-shale cycles at Hole 159-959D

Britta Beckmann

Composition of chironomid species in peat profile FAU_2a

Rüdiger Röhrig, Hans-Jürgen Beug, Rolf Trettin & Peter Morgenstern

Occurrence of metazoans, and gut pigments and fatty acid composition of Acartia bifilosa in ice and under-ice water samples from Santala Bay, supplement to: Werner, Iris; Auel, Holger (2007): Environmental conditions and overwintering strategies of planktonic metazoans in and below coastal fast ice in the Gulf of Finland (Baltic Sea). Sarsia, 89(2), 102-116

Iris Werner & Holger Auel
A field study was conducted in Santala Bay with weekly samplings during February and March 2000. Ice thickness was 20-28 cm, snow cover 0-1 cm. The under‐ice water column was stratified with a cold (-0.3 - 0.2°C) and less saline (S = 2.1-4.9) interface layer. Concentrations of particulate organic carbon (0.5–5.8 mg POC/l) and algal pigments (0.3-18.2 µg chlorophyll a/l) were higher in the ice than in the water (0.2-0.5 mg POC/l, 1.6–7.1 µg chlorophyll...

(Table 3) Fatty acid and alcohol composition of Acartia bifilosa from Santala Bay (February/March 2000)

Iris Werner & Holger Auel

(Table 2) Gut pigment contents of Acartia bifilosa from Santala Bay (February/March 2000)

Iris Werner & Holger Auel

(Table 1) Metazoan species observed in ice and under-ice water samples from Santala Bay (February/March 2000)

Iris Werner & Holger Auel

Mean snow accumulation rate, and mean methane sulfonate, chloride and nitrate concentration in snow pits and firn cores of Dronning Maud Land, supplement to: Weller, Rolf; Traufetter, Fidan; Fischer, H; Oerter, Hans; Piel, Claudia; Miller, Heinz (2004): Postdepositional losses of methane sulfonate, nitrate, and chloride at the European Project for Ice Coring in Antarctica deep-drilling site in Dronning Maud Land, Antarctica. Journal of Geophysical Research, 109(D7)

Rolf Weller, Fidan Traufetter, H Fischer, Hans Oerter, Claudia Piel & Heinz Miller
We quantified postdepositional losses of methane sulfonate (MSA-), nitrate, and chloride at the European Project for Ice Coring in Antarctica (EPICA) drilling site in Dronning Maud Land (DML) (75°S, 0°E). Analyses of four intermediate deep firn cores and 13 snow pits were considered. We found that about 26 ± 13% of the once deposited nitrate and typically 51 ± 20% of MSA- were lost, while for chloride, no significant depletion could be observed in firn...

(Table 2) Mean snow accumulation rate, and mean methane sulfonate, chloride and nitrate concentration during 1970-1870 in 4 firn cores in Dronning Maud Land

Rolf Weller, Fidan Traufetter, H Fischer, Hans Oerter, Claudia Piel & Heinz Miller

(Table 1) Snow accumulation rate, and methane sulfonate, chloride and nitrate concentration in 13 snow pits in Dronning Maud Land

Rolf Weller, Fidan Traufetter, H Fischer, Hans Oerter, Claudia Piel & Heinz Miller

Gut content, fatty acid composition and metabolic rates of the amphipod Anonyx sarsi during POLARSTERN cruise ARK-XIX/1, ice station PS64/070-6, supplement to: Werner, Iris; Auel, Holger; Kiko, Rainer (2004): Occurrence of Anonyx sarsi (Amphipoda: Lysianassoidea) below Arctic pack ice: an example for cryo-benthic coupling? Polar Biology, 27(8), 474-481

Iris Werner, Holger Auel & Rainer Kiko
During a winter expedition to the western Barents Sea in March 2003, benthic amphipods of the species Anonyx sarsi were observed directly below pack ice. Only males and juveniles [16.0-37.0 mm long, 16.2-120.8 mg dry mass (DM)] were collected. Guts contained macroalgal fibres, fish eggs and flesh from large carrion. Amphipods had very low levels of total lipids (2.7-17.2% DM). Analysis of lipid biomarkers showed that some of the specimens had preyed on pelagic copepods....

(Table 2) Dry mass, lipid content and fatty acid composition of the amphipod Anonyx sarsi during POLARSTERN cruise ARK-XIX/1, ice station PS64/070-6

Iris Werner, Holger Auel & Rainer Kiko
Fatty acids contributing <= 1.5% are combined under Others, unless they represent important biomarkers.

(Table 3) Metabolic rates of the amphipod Anonyx sarsi during POLARSTERN cruise ARK-XIX/1, ice station PS64/070-6

Iris Werner, Holger Auel & Rainer Kiko

(Table 1) Gut fullness and content of the amphipod Anonyx sarsi during POLARSTERN cruise ARK-XIX/1, ice station PS64/070-6

Iris Werner, Holger Auel & Rainer Kiko

Upper air soundings during POLARSTERN cruise ARK-XIX/4b

Gert König-Langlo
The upper air soundings are normally performed once a day to measure vertical profiles of air pressure, temperature, relative humidity and the wind vector. Helium filled balloons (TOTEX 600 g, 800 g) were used to carry Vaisala RS80 radiosondes. Whenever possible, the launches were performed about 10 UTC. Condensed measurements (TEMP Format FM-35) were transferred without delay into the Global Telecommunication System GTS were they contribute for the world wide weather forecasts. The profile data...

Upper air soundings during POLARSTERN cruise ARK-XIX/4a

Gert König-Langlo
The upper air soundings are normally performed once a day to measure vertical profiles of air pressure, temperature, relative humidity and the wind vector. Helium filled balloons (TOTEX 600 g, 800 g) were used to carry Vaisala RS80 radiosondes. Whenever possible, the launches were performed about 10 UTC. Condensed measurements (TEMP Format FM-35) were transferred without delay into the Global Telecommunication System GTS were they contribute for the world wide weather forecasts. The profile data...

Upper air soundings during POLARSTERN cruise ARK-XIX/3c

Gert König-Langlo
The upper air soundings are normally performed once a day to measure vertical profiles of air pressure, temperature, relative humidity and the wind vector. Helium filled balloons (TOTEX 600 g, 800 g) were used to carry Vaisala RS80 radiosondes. Whenever possible, the launches were performed about 10 UTC. Condensed measurements (TEMP Format FM-35) were transferred without delay into the Global Telecommunication System GTS were they contribute for the world wide weather forecasts. The profile data...

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