Das Projekt "AquaticPollutans: Umweltabhängige Verbreitung von Antibiotika-Resistenzen durch Aquakultur von Austern in aquatischen Systemen" wird/wurde gefördert durch: Bundesministerium für Bildung und Forschung. Es wird/wurde ausgeführt durch: Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung.
Das Projekt "AquaticPollutans: Umweltabhängige Verbreitung von Antibiotika-Resistenzen durch Aquakultur von Austern in aquatischen Systemen, Vorhaben: Experimentelle Untersuchungen zu Quellen und Verbreitungswegen von Antibiotika-Resistenzen in Austernriffen" wird/wurde gefördert durch: Bundesministerium für Bildung und Forschung. Es wird/wurde ausgeführt durch: Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung.
Der Datensatz beinhaltet die in der naturschutzrechlichen Erlaubnis der Nationalparkverwaltung genehmigten Flächen für die Saatmuschelgewinnungsanlagen durch Hängekultur
Das Projekt "Schwerpunktprogramm (SPP) 1158: Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; Bereich Infrastruktur - Antarktisforschung mit vergleichenden Untersuchungen in arktischen Eisgebieten, Phylogenetic and morphological differences of Arctic and Antarctic choanoflagellates" wird/wurde gefördert durch: Deutsche Forschungsgemeinschaft. Es wird/wurde ausgeführt durch: Universität Köln, Institut für Zoologie, Biozentrum Köln, Arbeitsgruppe Allgemeine Ökologie.Heterotrophic nanoflagellates play a very important role in marine Antarctic and Arctic ecosystems. Among these protists, choanoflagellates form a conspicuous and abundant component of the Antarctic and arctic marine nanoplankton. Although a number of quantitative and qualitative studies have been published on choanoflagellates, recent molecular biological studies of marine nanofauna indicated that morphological investigations of these tiny organisms (3-6mym cell size) reveal only limited taxonomic resolution. However, until now only about three marine choanoflagellate species have been sequenced (18S rDNA). During the proposed project will acquire cultures of nanoprotists, analyse them combining morphological and molecular biological methods and to receive information on the distribution of these highly variable protists. We would like to address the following questions: What is the molecular identity of choanoflagellates found in Artic and Antarctic waters? Do there exist Antarctic choanoflagellate species with the same 18S rDNA pattern indicating a global distribution? How variable is the 18S rDNA gene and can parts of the sequence be used to develop a method for reliable quantitative and qualitative analyses of marine choanoflagellates? Further research on choanoflagellates 1) as a sister group of metazoans would be very interesting from the viewpoint of phylogeny and 2) as a very productive group at the basis of the pelagic food web would be of special interest for a broader understanding of ecological processes in polar regions.
Das Projekt "Development of low input systems such as organic farming by optimizing the use of legumes in a dry region of Nicaragua to strengthen soil fertility, yield, human nutrition and farm invome" wird/wurde gefördert durch: Österreichische Akademie der Wissenschaften. Es wird/wurde ausgeführt durch: Universität für Bodenkultur Wien, Institut für Ökologischen Landbau.The overall purpose of the research is to investigate low input legume - maize cropping systems under dry climate conditions. Research area is San Dionisio, which is located in the central hillsides region of Nicaragua in the Departamento of Matagalpa. The research targets are:(a) On station trials: 1. To find out the impact of different legume species / varieties, planted in the dry season, on soil organic matter after a four year crop rotation. 2. To study the performance of different legume species / varieties about root biomass, above ground biomass, nitrogen fixation and the effects on subsequent maize performance. (b) On Farm trials: 3. To investigate the impact of cover crops/green manure (CCGM) improved residue grazing in the dry season on subsequent maize performance in comparison with non-grazed cover crops/green manure (CCGM) rotations, as well as their labour and economic impacts. 4. To analyse the impact of cover crops/green manure (CCGM) species / varieties on soil fertility and subsequent maize performance, as well as their labour and economic impacts. 5. To implement support strategies for farmer/researcher to farmer training / knowledge transfer, experience exchance - combining on station trial knowlegde with farmer specific knowledge (site specific techniques) accompanied by BSC / MSC students and local farmer organizations (Campos verdes / Suenos realizados)All trials are managed without any fertilizer nor herbicides nor pesticides following the guidelines of IFOAM. The research is carried out by Universidad National Agraria, Managua, University of BOKU, Vienna and CIAT.