Harry J. Witte
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View article: Disentangling the diet composition of chicks of Arctic shorebirds provides a new perspective on trophic mismatches
Disentangling the diet composition of chicks of Arctic shorebirds provides a new perspective on trophic mismatches Open
With rapid climate change over the past decades, organisms living in seasonal environments are suggested to increasingly face trophic mismatches: the disruption of synchrony between different trophic levels due to a different phenological …
View article: Differentiation of bacterial communities on five common plastics after six days of exposure to Caribbean coastal waters
Differentiation of bacterial communities on five common plastics after six days of exposure to Caribbean coastal waters Open
Plastic pollution in coastal areas, particularly in subtropical and tropical regions, remains a pervasive environmental issue. Marine plastic debris provides an artificial surface that rapidly accumulates a dynamic microbial biofilm upon e…
View article: Diel and seasonal methane dynamics in the shallow and turbulent Wadden Sea
Diel and seasonal methane dynamics in the shallow and turbulent Wadden Sea Open
The UNESCO world heritage Wadden Sea is a highly productive coastal system, rich in biodiversity and influenced by physical and biological forcing. Such coastal seas are known to dominate ocean’s methane emissions, but knowledge on v…
View article: Bacteriohopanetetrol- <i>x</i> : constraining its application as a lipid biomarker for marine anammox using the water column oxygen gradient of the Benguela upwelling system
Bacteriohopanetetrol- <i>x</i> : constraining its application as a lipid biomarker for marine anammox using the water column oxygen gradient of the Benguela upwelling system Open
Interpreting lipid biomarkers in the sediment archive requires a good understanding of their application and limitations in modern systems. Recently it was discovered that marine bacteria performing anaerobic ammonium oxidation (anammox), …
View article: Comment on bg-2021-257
Comment on bg-2021-257 Open
Abstract. Interpreting lipid biomarkers in the sediment archive requires a good understanding of their application and limitations in modern systems. Recently it was discovered that marine bacteria performing anaerobic ammonium oxidation (…
View article: Comment on bg-2021-257
Comment on bg-2021-257 Open
Abstract. Interpreting lipid biomarkers in the sediment archive requires a good understanding of their application and limitations in modern systems. Recently it was discovered that marine bacteria performing anaerobic ammonium oxidation (…
View article: Bacteriohopanetetrol-x: constraining its application as a lipid biomarker for marine anammox using the water column oxygen gradient of the Benguela upwelling system
Bacteriohopanetetrol-x: constraining its application as a lipid biomarker for marine anammox using the water column oxygen gradient of the Benguela upwelling system Open
Interpreting lipid biomarkers in the sediment archive requires a good understanding of their application and limitations in modern systems. Recently it was discovered that marine bacteria performing anaerobic ammonium oxidation (anammox), …
View article: Microbial Communities on Plastic Polymers in the Mediterranean Sea
Microbial Communities on Plastic Polymers in the Mediterranean Sea Open
Plastic particles in the ocean are typically covered with microbial biofilms, but it remains unclear whether distinct microbial communities colonize different polymer types. In this study, we analyzed microbial communities forming biofilms…
View article: Polymer type and UV-treatment influence the first week of biofilm development in Caribbean sublittoral waters&#160;
Polymer type and UV-treatment influence the first week of biofilm development in Caribbean sublittoral waters  Open
<p>Marine plastic pollution has increased exponentially since the start of mass production in the 1950&#180;s and the negative impacts of marine plastic debris (MPD) on marine life are general acknowledged. Typically, MPD is over…
View article: Cascabel: A Scalable and Versatile Amplicon Sequence Data Analysis Pipeline Delivering Reproducible and Documented Results
Cascabel: A Scalable and Versatile Amplicon Sequence Data Analysis Pipeline Delivering Reproducible and Documented Results Open
Marker gene sequencing of the rRNA operon (16S, 18S, ITS) or cytochrome c oxidase I (CO1) is a popular means to assess microbial communities of the environment, microbiomes associated with plants and animals, as well as communities of mult…
View article: Patterns of (trace) metals and microorganisms in the Rainbow hydrothermal vent plume at the Mid-Atlantic Ridge
Patterns of (trace) metals and microorganisms in the Rainbow hydrothermal vent plume at the Mid-Atlantic Ridge Open
Hydrothermal vent fields found at mid-ocean ridges emit hydrothermal fluids that disperse as neutrally buoyant plumes. From these fluids seafloor massive sulfides (SMS) deposits are formed, which are being explored as possible new mining s…
View article: Differential microbial colonization on microplastic in the Mediterranean Sea coastal zone
Differential microbial colonization on microplastic in the Mediterranean Sea coastal zone Open
<p>Ocean plastic debris poses a large threat to the marine environment. Millions of tons of plastic end up in the ocean each year and the Mediterranean Sea is one of the most plastic polluted sea. Ocean plastic particles are typicall…
View article: Analysis of a coastal North Sea fish community: Comparison of aquatic environmental DNA concentrations to fish catches
Analysis of a coastal North Sea fish community: Comparison of aquatic environmental DNA concentrations to fish catches Open
Analyses of environmental DNA have the potential to become an integrated tool in fish research and management. We performed a pilot study during the spring migration of fishes from the North Sea into the Wadden Sea and present comparative …
View article: <i>Cascabel</i>: a flexible, scalable and easy-to-use amplicon sequence data analysis pipeline
<i>Cascabel</i>: a flexible, scalable and easy-to-use amplicon sequence data analysis pipeline Open
Marker gene sequencing of the rRNA operon (16S, 18S, ITS) or cytochrome c oxidase I (CO1) is a popular means to assess microbial communities of the environment, microbiomes associated with plants and animals, as well as communities of mult…
View article: Successional patterns of (trace) metals and microorganisms in the Rainbow hydrothermal vent plume at the Mid-Atlantic Ridge
Successional patterns of (trace) metals and microorganisms in the Rainbow hydrothermal vent plume at the Mid-Atlantic Ridge Open
Hydrothermal vent fields found at mid-ocean ridges emit hydrothermal fluids which disperse as neutrally buoyant plumes. From these fluids seafloor massive sulfides (SMS) deposits are formed which are being explored as possible new mining s…
View article: Strong population structure but no equilibrium yet: Genetic connectivity and phylogeography in the kelp <i>Saccharina latissima</i> (Laminariales, Phaeophyta)
Strong population structure but no equilibrium yet: Genetic connectivity and phylogeography in the kelp <i>Saccharina latissima</i> (Laminariales, Phaeophyta) Open
Kelp aquaculture is globally developing steadily as human food source, along with other applications. One of the newer crop species is Saccharina latissima , a northern hemisphere kelp inhabiting temperate to arctic rocky shores. To protec…
View article: Drivers of interannual variability in virioplankton abundance at the coastal western <scp>A</scp> ntarctic peninsula and the potential effects of climate change
Drivers of interannual variability in virioplankton abundance at the coastal western <span>A</span> ntarctic peninsula and the potential effects of climate change Open
Summary An 8‐year time‐series in the Western Antarctic Peninsula (WAP) with an approximately weekly sampling frequency was used to elucidate changes in virioplankton abundance and their drivers in this climatically sensitive region. Viriop…
View article: Virus production in phosphorus-limited<i>Micromonas pusilla</i>stimulated by a supply of naturally low concentrations of different phosphorus sources, far into the lytic cycle
Virus production in phosphorus-limited<i>Micromonas pusilla</i>stimulated by a supply of naturally low concentrations of different phosphorus sources, far into the lytic cycle Open
Earlier studies show that the proliferation of phytoplankton viruses can be inhibited by depletion of soluble reactive phosphorus (SRP; orthophosphate). In natural marine waters, phytoplankton phosphorus (P) availability is, however, large…
View article: Microbial assemblages on a cold-water coral mound at the SE Rockall Bank (NE Atlantic): interactions with hydrography and topography
Microbial assemblages on a cold-water coral mound at the SE Rockall Bank (NE Atlantic): interactions with hydrography and topography Open
This study characterizes the microbial community composition over Haas Mound, one of the most prominent cold-water coral mounds of the Logachev Mound province (Rockall Bank, NE Atlantic). We outline patterns of distribution vertically – fr…
View article: Microbial assemblages on a cold-water coral mound at the SE Rockall Bank (NE Atlantic): interactions with hydrography and topography
Microbial assemblages on a cold-water coral mound at the SE Rockall Bank (NE Atlantic): interactions with hydrography and topography Open
This study shows the microbial community composition over Haas Mound, one of the most prominent cold-water coral mounds of the Logachev Mound Province (Rockall Bank, NE Atlantic), outlining distribution patterns both vertically from the se…