995 resultados para Saxony-Anhalt


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Caption: Zur Erinnerung an das fuenfzigjaehrige Gruendungsfest Saechsisch Anhaltinischen Bezirksvereins Deutscher Ingenieure am 11. und 12. Mai 1912 in Bernburg.

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Wild bee species abundance based on combined flight traps (yellow funnels with perspex windows) placed at ecotones between semi-natural habitats and agricultural fields. Design: six agricultural dominated landscapes of 4x4 km with one trap per square km in Saxony-Anhalt (Germany), activity of traps in late spring-early summer (three sampling rounds) and late summer (three sampling rounds).

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Wild bee species abundance based on combined flight traps (yellow funnels with perspex windows) placed at ecotones between semi-natural habitats and agricultural fields. Design: six agricultural dominated landscapes of 4x4 km with one trap per square km in Saxony-Anhalt (Germany), activity of traps in late spring-early summer (three sampling rounds) and late summer (three sampling rounds).

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Wild bee species abundance based on combined flight traps (yellow funnels with perspex windows) placed at ecotones between semi-natural habitats and agricultural fields. Design: six agricultural dominated landscapes of 4x4 km with one trap per square km in Saxony-Anhalt (Germany), activity of traps in late spring-early summer (three sampling rounds) and late summer (three sampling rounds).

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In 2001 we started as part of the EU FP5 project Greenveins monitoring of insect communities in the normal landscape of Saxony-Anhalt (Germany), which is dominated by agricultural use. We selected four landscape sites of 4x4 km and recorded insects using combined flight traps, combining the ideas of window and yellow pan traps (see Duelli et al., 1999). Traps consist of a yellow funnel (25 cm diameter) filled with water (preserving agent added) and two perspex windows mounted in a way that they are crossed in the center. Within each square km of a site one trap was placed at ecotones between semi-natural habitats and agricultural fields (16 traps per site). Traps were operated in late spring-early summer (three sampling rounds) and late summer (three sampling rounds). Follow-up sampling started in 2010 as long-term monitoring within the TERENO project (www.tereno.net), contributing to the LTER network (Long-Term Ecosystem Research) in Germany (www.lter-d.de) and internationally as well (www.lter-europe.net). Metadata about the sites and related activities and data sets can be found in the DEIMS Repository for Research Sites and Datasets (https://data.lter-europe.net/deims/). In 2010 another two landscapes were added and yearly sampled in the same way. Due to long processing time of trapped insects data of follow-up years will be available about 18 months after trapping.

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Wild bee species abundance based on combined flight traps (yellow funnels with perspex windows) placed at ecotones between semi-natural habitats and agricultural fields. Design: six agricultural dominated landscapes of 4x4 km with one trap per square km in Saxony-Anhalt (Germany), activity of traps in late spring-early summer (three sampling rounds) and late summer (three sampling rounds).

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Wild bee species abundance based on combined flight traps (yellow funnels with perspex windows) placed at ecotones between semi-natural habitats and agricultural fields. Design: six agricultural dominated landscapes of 4x4 km with one trap per square km in Saxony-Anhalt (Germany), activity of traps in late spring-early summer (three sampling rounds) and late summer (three sampling rounds).

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In the present study, proxy data concerning changes in atmospheric CO2 and climatic conditions from the Late Eocene to the Early Miocene were acquired by applying palaeobotanical methods. Fossil floras from 10 well-documented locations in Saxony, Germany, were investigated with respect to (1) stomatal density/index of fossil leaves from three different taxa (Eotrigonobalanus furcinervis, Laurophyllum pseudoprinceps and Laurophyllum acutimontanum), (2) the coexistence approach (CA) based on nearest living relatives (NLR) and (3) leaf margin analysis (LMA). Whereas the results of approach (1) indicate changes in atmospheric CO2 concentration, approaches (2) and (3) provide climate data. The results of the analysis of stomatal parameters indicate that the atmospheric CO2 concentration was higher during the Late Eocene than during the Early Oligocene and increased towards the Late Oligocene. A lower atmospheric pCO2 level after the Late Eocene is also suggested by an increase in marine palaeoproductivity at this time. From the Late Oligocene onwards, no changes in atmospheric CO2 concentration can be detected with the present data. For the considered sites, the results of the coexistence approach and of the leaf margin analysis document a significant cooling event from the Late Eocene to the Early Oligocene. The pCO2 decrease from the Late Eocene to the Early Oligocene indicated by the stomatal data raised in this study was thus coupled to a temperature decrease which is reflected by the present datasets. From the Early Oligocene onwards, however, no further fundamental climate change can be inferred for the considered locations. The pCO2 increase from the Early Oligocene to the Late Oligocene, which is indicated by the present data, is thus not accompanied by a climate change at the considered sites. A warming event during the Late Oligocene is, however, recorded by marine climate archives. According to the present data, no change in pCO2 occurred during the cooling event at the Oligocene/Miocene boundary, which is also indicated by marine data. The quality and validity of stomatal parameters as sensors for atmospheric CO2 concentration are discussed.

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Contribution to the Congress " Sacred and Secular Buildings," Washington, May 1999, describing a project of the Institute of Architecture at the Technical University of Braunschweig in cooperation with the Center for Jewish Art in Jerusalem, which has been working on a documentation of synagogues, cemetery chapels, and ritual baths in Germany since 1994.

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In dem Bildungsbericht [von Dessau-Roßlau] wurden thematische Schwerpunkte festgelegt, die sich weitestgehend auf das formale Lernen in Institutionen beziehen. Thematisch hat der Bildungsbericht die folgenden Schwerpunkte: Elementare Bildung, Allgemeinbildende Schulen, Berufsbildungssystem – Berufsbildende Schulen, Hochschulbildung, Erwachsenenbildung, Weiterbildung und informelles Lernen. Da insbesondere die Übergänge zwischen den Institutionen wichtige Punkte in der Bildungsbiographie sind, werden sie in den jeweiligen Kapiteln kurz anhand ihrer Besonderheiten und Auffälligkeiten beschrieben. Neben der allgemeinen Darstellung der Teilbereiche werden alle Bereiche in Bezug auf drei Einflussfaktoren untersucht: Demographischer Wandel, Soziale Ungleichheit, Geschlechtsspezifische Ungleichheit. Diese drei Themenkomplexe sind als Querschnittsthemen allen Schwerpunkten vorangestellt und beschreiben, welchen Einfluss die jeweiligen Faktoren haben bzw. wie groß ihr Einfluss auf die Teilbereiche ist. (DIPF/Orig.)

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Mit dem vorliegenden kommunalen Bildungsbericht 2013 legt die Stadt Dessau-Roßlau nach 2011 zum zweiten Mal eine Bestandsaufnahme der Bildungslandschaft Dessau-Roßlau vor. Damit ist die Bildungsberichterstattung im Programm „Lernen vor Ort“ zu einem wichtigen Baustein und Planungsinstrument geworden. Der Bildungsbericht ist gleichzeitig eine Einladung an alle Interessierten durch die konstruktive Auseinandersetzung mit den Ergebnissen die nächsten Schritte in eine zukunftsfähige Bildungslandschaft mitzugestalten. (DIPF/Orig.)