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Stimulation des mikrobiellen Stickstoffkreislaufs in aquatischen Sedimenten durch bioturbierende Makroinvertebraten

Bioturbierende Makroinvertebraten können den mikrobiellen Stickstoffkreislauf in aquatischen Sedimenten vermutlich erheblich stimulieren. Vor dem Hintergrund der hohen Belastung limnischer und brackiger Ökosysteme mit Nitrat und Ammonium kommt diesem Phänomen eine überaus wichtige ökosystemare Funktion als Senke für anorganische Stickstoffverbindungen zu. Der eigentliche Ort der stimulierten mikrobiellen Stoffumsetzungen, das Ökosystemkompartiment 'Wohnröhre' (gemeinsames Habitat von Makroinvertebraten und Mikroorganismen) ist in bisherigen Studien fast immer ausgeklammert worden, so dass keine Details über das quantitative Ausmaß der dort stattfindenden Prozesse bekannt sind. Daher soll die mikrobielle Lebensgemeinschaft der Wohnröhren bioturbierender Makroinvertebraten erstmals mit moderner Methodik auf (1) struktureller Ebene (Fluoreszuenzin-situ-Hybridisierung und Mikroautoradiografie) und (2) funktioneller Ebene (Mikrosensorentechnik) in Labor- und Freilandexperimenten untersucht werden.

De maten, Belgium

<p>The De Maten pond dataset contains data on local pond conditions and taxonomic community composition of phytoplankton, zooplankton, macro-invertebrates and fish from 34 interconnected fish ponds in the "De Maten" nature reserve (Limburg, Belgium).</p>

Monitoring data from the federal state Saxony-Anhalt (Germany)

<p>The dataset consists of occurrence data of the aquatic organism groups fish, macroinvertebrates and macrophytes that were sampled in the German federal state Saxony-Anhalt in 2008 and 2009. The sampling was conducted according to the protocols of the national monitoring programme for implementation of the Water Framework Directive.</p> <p>For additional metadata see: http://data.freshwaterbiodiversity.eu/metadb/bf_mdb_view.php?entryID=BFE_94</p>

Monitoring data from the federal state Bavaria (Germany)

<p>The dataset consists of occurrence data of the aquatic organism groups macroinvertebrates and macrophytes that were sampled in the German federal state Bavaria between 2004 and 2009. The sampling was conducted according to the protocols of the national monitoring programme for implementation of the Water Framework Directive.</p> <p>For additional metadata see: http://data.freshwaterbiodiversity.eu/metadb/bf_mdb_view.php?entryID=BFE_88</p>

bioman_belgium

<p>The BIOMAN dataset comprises local environmental data and community data of different organism groups (bacterioplankton, zooplankton, ciliates, phytoplankton, macro-invertebrates, fish, protists and aquatic vegetation) from 98 shallow lakes covering three geographic regions in Europe sampled in 2000-2001. The database BIOMAN-Belgium is a subset of the overall BIOMAN dataset and includes data from 39 shallow lakes located in Belgium and the Netherlands. </p>

Monitoring data from the federal state Hesse (Germany)

<p>The dataset consists of occurrence data of the aquatic organism groups fish, macroinvertebrates and macrophytes that were sampled in the German federal state Hesse between 2005 and 2008. The sampling was conducted according to the protocols of the national monitoring programme for implementation of the Water Framework Directive.</p> <p>For additional metadata see: http://data.freshwaterbiodiversity.eu/metadb/bf_mdb_view.php?entryID=BFE_87</p>

Monitoring data from the federal state Berlin (Germany)

<p>The dataset consists of occurrence data of the aquatic organism group macroinvertebrates that were sampled in the German federal state Berlin between 2006 and 2010. The sampling was conducted according to the protocols of the national monitoring programme for implementation of the Water Framework Directive.</p> <p>For additional metadata see: http://data.freshwaterbiodiversity.eu/metadb/bf_mdb_view.php?entryID=BFE_89</p>

Monitoring data from the federal state Saxony (Germany)

<p>The dataset consists of occurrence data of the aquatic organism groups fish, macroinvertebrates and macrophytes that were sampled in the German federal state Saxony between 2007 and 2011. The sampling was conducted according to the protocols of the national monitoring programme for implementation of the Water Framework Directive.</p> <p>For additional metadata see: http://data.freshwaterbiodiversity.eu/metadb/bf_mdb_view.php?entryID=BFE_93</p>

Monitoring data from the federal state North Rhine-Westphalia (Germany)

<p>The dataset consists of occurrence data of the aquatic organism groups fish, macroinvertebrates and macrophytes that were sampled in the German federal state North Rhine-Westphalia between 2004 and 2009. The sampling was conducted according to the protocols of the national monitoring programme for implementation of the Water Framework Directive.</p> <p>For additional metadata see: http://data.freshwaterbiodiversity.eu/metadb/bf_mdb_view.php?entryID=BFE_91</p>

Monitoring data from the federal state Mecklenburg-Western Pomerania (Germany)

<p>The dataset consists of occurrence data of the aquatic organism groups fish, macroinvertebrates and macrophytes that were sampled in the German federal state Mecklenburg-Western Pomerania between 2006 and 2010. The sampling was conducted according to the protocols of the national monitoring programme for implementation of the Water Framework Directive.</p> <p>For additional metadata see: http://data.freshwaterbiodiversity.eu/metadb/bf_mdb_view.php?entryID=BFE_90</p>

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