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Die Vegetation des Weidevogelschutzgebietes "Ellewicker Feld" im Münsterland wird dargestellt. Das Grünland-Gebiet wird mit niedriger Stickstoff-Düngung extensiv genutzt. Nach Unterschutzstellung 1980 wurden in den Weiden Tümpel unterschiedlicher Größe angelegt. Die Grünland-Gesellschaften werden als Lolio- und Luzulo-Cynosuretum, Ranunculo-Alopecuretum geniculati und Lolio-Plantaginetum majoris charakterisiert. Die Vegetation der Tümpelränder sind Bidentetea- und Isoeto-Nanojuncetea-Gesellschaften. Außerdem wird eine Juncus effusus-Gesellschaft beschrieben. Die Pflanzengesellschaften des Ellewicker Feldes sind aufgrund des geringen Alters der Grasnarbe und der Gewässer artenarm. Der Effekt der extensiven Bewirtschaftung zeigt sich im Rückgang der Arten, die auf hohe Stickstoffverfügbarkeit angewiesen sind.
For an abeloid variety A over a complete algebraically closed field extension K of Qp, we construct a p-adic Corlette–Simpson correspondence, namely an equivalence between finite-dimensional continuous K-linear representations of the Tate module and a certain subcategory of the Higgs bundles on A. To do so, our central object of study is the category of vector bundles for the v-topology on the diamond associated to A. We prove that any pro-finite-étale v-vector bundle can be built from pro-finite-étale v-line bundles and unipotent v-bundles. To describe the latter, we extend the theory of universal vector extensions to the v-topology and use this to generalise a result of Brion by relating unipotent v-bundles on abeloids to representations of vector groups.
This report provides a brief review of the 20th annual meeting of the German Language Branch of the Society of Environmental Toxicology and Chemistry (SETAC GLB) held from September 7th to 10th 2015 at ETH (Swiss Technical University) in Zurich, Switzerland. The event was chaired by Inge Werner, Director of the Swiss Centre for Applied Ecotoxicology (Ecotox Centre) Eawag-EPFL, and organized by a team from Ecotox Centre, Eawag, Federal Office of the Environment, Federal Office of Agriculture, and Mesocosm GmbH (Germany). Over 200 delegates from academia, public agencies and private industry of Germany, Switzerland and Austria attended and discussed the current state of science and its application presented in 75 talks and 83 posters. In addition, three invited keynote speakers provided new insights into scientific knowledge ‘brokering’, and—as it was the International Year of Soil—the important role of healthy soil ecosystems. Awards were presented to young scientists for best oral and poster presentations, and for best 2014 master and doctoral theses. Program and abstracts of the meeting (mostly in German) are provided as Additional file 1.
We use recent results by Bainbridge–Chen–Gendron–Grushevsky–Möller on compactifications of strata of abelian differentials to give a comprehensive solution to the realizability problem for effective tropical canonical divisors in equicharacteristic zero. Given a pair (Γ,D) consisting of a stable tropical curve Γ and a divisor D in the canonical linear system on Γ, we give a purely combinatorial condition to decide whether there is a smooth curve X over a non-Archimedean field whose stable reduction has Γ as its dual tropical curve together with an effective canonical divisor KX that specializes to D.