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Das frühlingsbild des Diplotaxidetum erugoidis Br.-Bl. 1931 Naturalis
Schuurmans Stekhoven, J.H..
Während eines Studienaufenthaltes an der Station Internationale de Géobotanique Méditerranéenne et Alpine in Montpellier, Direktor Professor J. Braun-Blanquet, wurden vom Verfasser in Süd-frankreich, (Languedoc), in den Weinbergen der Umgebung Montpelliers sowie im Departement Pyrenees Orientales 72 pflanzensoziologische Aufnahmen gemacht. Nach J. Braun-Blanquet gehört die Vegetation der Weinberge des Languedoc zu der Assoziation Diplotaxidetum erucoidis (Br.- Bl. 1931). J. Braun-Blanquet hat hauptsächlich in den Jahren 1929-1938 in den Weinbergen des Languedoc 36, noch nicht publizierte, Aufnahmen gemacht; später, 1949—1952, kamen noch einige weitere hinzu. Es handelt sich dabei fast ausschliesslich um Herbst-Aufnahmen. In der ersten Periode: 2 Aufnahmen...
Tipo: Article / Letter to the editor
Ano: 1961 URL: http://www.repository.naturalis.nl/record/535215
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An investigation of the Planktonic population of diatoms of the “ Zandkreek” during the period March 1959 to March 1960 Naturalis
Schuurmans Stekhoven, J.H..
In a channel, which will be cut off soon, an investigation has been started in rihich the influence of the changing ecological factors will be studied. A ar’s cycle of Diatoms, investigated in the period March 1959 to March 1960 elded some interesting results. In early June Eucampia zoodiacus E. showed a Maximum, whereas Guinardia flaccida (Castr.) Perag. showed its maximum in July, mhen Eucampia zoodiacus E. was in its turn rare. Porosira glacialis (Grun.) Jörgensen, which comes from more Northern areas showed a maximum in early April. Coscinodiscus gigas praetexta (Janisch) Hustedt appeared regularly from late August, (temp. 20,4° C), until February 1960 (temp. 3,3° C). Hustedt mentions this species as occurring in the Mediterranean Sea. Some additions...
Tipo: Article / Letter to the editor
Ano: 1961 URL: http://www.repository.naturalis.nl/record/534690
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Les nématodes libres marins du Bassin de Chasse d'Ostende OMA
Schuurmans Stekhoven, J.H..
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nematoda [Nematodes] ANE; Belgium; Oostende Harbour; Sluice Dock.
Ano: 1942 URL: http://www.vliz.be/imisdocs/publications/291547.pdf
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