Gerhard Kattner
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View article: Molecular Composition of Dissolved Organic Matter in the Changjiang (Yangtze River) – Imprints of Anthropogenic Impact
Molecular Composition of Dissolved Organic Matter in the Changjiang (Yangtze River) – Imprints of Anthropogenic Impact Open
Understanding the biogeochemical transformation of dissolved organic matter (DOM) across fluvial networks will ultimately help to predict anthropogenic influences. To date, few studies have evaluated the anthropogenic impact on the spatial…
View article: Assimilation and turnover rates of lipid compounds in dominant Antarctic copepods fed with <sup>13</sup> C-enriched diatoms
Assimilation and turnover rates of lipid compounds in dominant Antarctic copepods fed with <sup>13</sup> C-enriched diatoms Open
The study revealed species- and stage-specific differences in lipid accumulation of the dominant Antarctic copepods, the primarily herbivorous Calanoides acutus (copepodite stage V (CV), females) and the more omnivorous Calanus propinquus …
View article: Trophic Interactions of Mesopelagic Fishes in the South China Sea Illustrated by Stable Isotopes and Fatty Acids
Trophic Interactions of Mesopelagic Fishes in the South China Sea Illustrated by Stable Isotopes and Fatty Acids Open
As the most abundant fishes and the least investigated components of the open ocean ecosystem, mesopelagic fishes play an important role in biogeochemical cycles and hold potentially huge fish resources. There are major gaps in our knowled…
View article: Stoichiometry, polarity, and organometallics in solid-phase extracted dissolved organic matter of the Elbe-Weser estuary
Stoichiometry, polarity, and organometallics in solid-phase extracted dissolved organic matter of the Elbe-Weser estuary Open
Dissolved organic matter (DOM) is ubiquitous in natural waters and plays a central role in the biogeochemistry in riverine, estuarine and marine environments. This study quantifies and characterizes solid-phase extractable DOM and trace el…
View article: Macro-nutrient concentrations in Antarctic pack ice: Overall patterns and overlooked processes
Macro-nutrient concentrations in Antarctic pack ice: Overall patterns and overlooked processes Open
Antarctic pack ice is inhabited by a diverse and active microbial community reliant on nutrients for growth. Seeking patterns and overlooked processes, we performed a large-scale compilation of macro-nutrient data (hereafter termed nutrien…
View article: Carbon flow through the pelagic food web in southern Chilean Patagonia: relevance of Euphausia vallentini as a key species
Carbon flow through the pelagic food web in southern Chilean Patagonia: relevance of Euphausia vallentini as a key species Open
The southernmost Patagonian region constitutes a major glaciered area with a high freshwater input loaded with particulate and dissolved matter. We assessed the relevance of the terrestrial (allochthonous) and marine (autochthonous) matter…
View article: Biomass offsets little or none of permafrost carbon release from soils, streams, and wildfire: an expert assessment
Biomass offsets little or none of permafrost carbon release from soils, streams, and wildfire: an expert assessment Open
As the permafrost region warms, its large organic carbon pool will be increasingly vulnerable to decomposition, combustion, and hydrologic export. Models predict that some portion of this release will be offset by increased production of A…
View article: Temporal variability of particulate organic carbon in the lower Changjiang (Yangtze River) in the post‐Three Gorges Dam period: Links to anthropogenic and climate impacts
Temporal variability of particulate organic carbon in the lower Changjiang (Yangtze River) in the post‐Three Gorges Dam period: Links to anthropogenic and climate impacts Open
Suspended particles from the lower Changjiang were collected monthly from 2003 to 2011, which corresponds to the three construction periods of the Three Gorges Dam. Organic carbon (%OC), organic carbon to total nitrogen molar ratio, stable…
View article: Fatty acid composition of wild<i>Odontesthes bonariensis</i>(Valenciennes 1835) larvae: implications on lipid metabolism and trophic relationships
Fatty acid composition of wild<i>Odontesthes bonariensis</i>(Valenciennes 1835) larvae: implications on lipid metabolism and trophic relationships Open
The fatty acid composition of the pejerrey Odontesthes bonariensis larvae was studied to elucidate potential dietary relationships.Their principal fatty acids were characteristic for membrane lipids of aquatic organisms.The fatty acid comp…
View article: Stable isotope and fatty acid markers in plankton assemblages of a saline lake: seasonal trends and future scenario
Stable isotope and fatty acid markers in plankton assemblages of a saline lake: seasonal trends and future scenario Open
Plankton fractions from a saline lake in Argentina were studied using a combined trophic marker approach. A strong
\nseasonality of biomarkers was characteristic for the different fractions, particularly the variations in the 18:4(n 2 3)
\…
View article: Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XXVIII/2, Cape Town - Cape Town, 2011-12-03 - 2012-01-05
Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XXVIII/2, Cape Town - Cape Town, 2011-12-03 - 2012-01-05 Open
Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XXVIII/2, Cape Town - Cape Town, 2011-12-03 - 2012-01-05
View article: Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XIV/2, Punta Quilla - Punta Arenas, 1996-11-12 - 1997-01-01
Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XIV/2, Punta Quilla - Punta Arenas, 1996-11-12 - 1997-01-01 Open
Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XIV/2, Punta Quilla - Punta Arenas, 1996-11-12 - 1997-01-01
View article: Station list and links to master tracks in different resolutions of POLARSTERN cruise ARK-XXIII/2, Longyearbyen - Reykjavik, 2008-07-04 - 2008-08-10
Station list and links to master tracks in different resolutions of POLARSTERN cruise ARK-XXIII/2, Longyearbyen - Reykjavik, 2008-07-04 - 2008-08-10 Open
Station list and links to master tracks in different resolutions of POLARSTERN cruise ARK-XXIII/2, Longyearbyen - Reykjavik, 2008-07-04 - 2008-08-10
View article: Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XXV/1, Bremerhaven - Cape Town, 2008-10-31 - 2008-12-03
Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XXV/1, Bremerhaven - Cape Town, 2008-10-31 - 2008-12-03 Open
Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XXV/1, Bremerhaven - Cape Town, 2008-10-31 - 2008-12-03
View article: Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XX/1, Bremerhaven - Cape Town, 2002-10-26 - 2002-11-22
Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XX/1, Bremerhaven - Cape Town, 2002-10-26 - 2002-11-22 Open
Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XX/1, Bremerhaven - Cape Town, 2002-10-26 - 2002-11-22
View article: Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XII/1, Bremerhaven - Punta Arenas, 1994-10-18 - 1994-11-22
Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XII/1, Bremerhaven - Punta Arenas, 1994-10-18 - 1994-11-22 Open
Station list and links to master tracks in different resolutions of POLARSTERN cruise ANT-XII/1, Bremerhaven - Punta Arenas, 1994-10-18 - 1994-11-22
View article: Station list and links to master tracks in different resolutions of POLARSTERN cruise ARK-VIII/1, Bremerhaven - Tromsø, 1991-06-01 - 1991-06-20
Station list and links to master tracks in different resolutions of POLARSTERN cruise ARK-VIII/1, Bremerhaven - Tromsø, 1991-06-01 - 1991-06-20 Open
Station list and links to master tracks in different resolutions of POLARSTERN cruise ARK-VIII/1, Bremerhaven - Tromsø, 1991-06-01 - 1991-06-20
View article: Station list and links to master tracks in different resolutions of POLARSTERN cruise ARK-IX/2, Bremerhaven - Tromsø, 1993-05-16 - 1993-06-25
Station list and links to master tracks in different resolutions of POLARSTERN cruise ARK-IX/2, Bremerhaven - Tromsø, 1993-05-16 - 1993-06-25 Open
Station list and links to master tracks in different resolutions of POLARSTERN cruise ARK-IX/2, Bremerhaven - Tromsø, 1993-05-16 - 1993-06-25