999 resultados para Sandrart, Joachim von, 1606-1688


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Mode of access: Internet.

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Includes bibliographical references.

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With reproduction of t.-p. (Joachimi Rachelll Londinensis Teutsche satyrische gedichte. Franckfurt, Bey Egidio Vogeln getruckt. M.D.C.-LXIV) and facsimile of the frontispiece of that edition.

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Includes bibliographical references.

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A brochure, listing all members of the order, 1842-1983. A typescript adds members until 1985 and lists Jewish members, 1842-1981.

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The pressure of users other than shipping and fishery on the national EEZs for territorial claims has increased in recent years. So it becomes necessary to carry out a spatial planning for which all users have to indicate their recent and planned future activities. For the German waters in the North Sea a first attempt was made to calculate the mean international landings for the commercially important fish and crustacean species on the spatial scale of ICES-rectangles. The relationships between the German and international landings per species are listed in a table and the distribution of the landings for each species within the area are shown in 13 figures.

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Age reading by use of otoliths is one of the basic but also most essential elements in practical fish population dynamics. Unfortunately, many factors can influence the readings of a single reader. Erronous readings, however, have a consequential effect on the evaluation and prediction of the development of the fish stock under consideration. In order to master this problem and to reduce out the effect of those factors, it seems neccessary to standardize the whole process of age reading between collaborating readers. From a statistical point of view calibration techniques can be used to identify those factors and to correct the readings with respect to them. The current article presents an overview over the basic idea behind this, over how to balance out the existing deviations and how to correct the age readings.

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Recently, the German redfish fishery displayed a pronounced seasonal pattern in geographic effort distribution and depth. The second and third quarters were the main season when 80 % of the effort was exerted. During the second quarter, the fleet activities were concentrated in international waters close to the Icelandic Exclusive Economic Zone (EEZ), fishing at depths exceeding 600 m. In contrast, the catches in the third quarter were taken mainly inside the Greenland EEZ at depths around 300 m. From 1995 to 1998, the annual effort ranged from 14 000 to 18 000 trawling hours, without a trend. This effort yielded about 18 000 to 21 000 t (international catch > 100 000 t) annually. Since 1996, the catch rate (CPUE) decreased during the main season. The decrease in CPUE should be interpreted as the first reaction of the stock to increased exploitation. The fish size also varied seasonally and peaked during the second quarter at depths exceeding 600 m. Here, males were bigger than females and both sexes were equally frequent. The increase of fish size with increasing depth did not contribute to the hypothesis of two separate pelagic redfish stocks above and below 500 m. In contrast, the close relation between fish size and depth point to the so-called “deeper-bigger phenomenon” which was found in numerous fish stocks. Very few redfish in the catches were immature.

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Für die Etablierung einer Transformationsmethode züchterisch relevanter Sorten von Osteospermum ecklonis (Kapmargerite) wurde zunächst ein geeignetes Protokoll für die Regeneration adventiver Sprosse aus vegetativem Gewebe entwickelt. Anschließend wurden Transformationen von Markergenen durch Kokultur mit Agrobacterium tumefaciens durchgeführt. Hierzu wurden Konstrukte verwendet, die das Gen für ß-D-Glucuronidase (GUS) enthielten und deren Expression in transgenen Pflanzen histochemisch nachgewiesen werden konnte. Kanamycinresistenz erwies sich als geeigneter Selektionsmarker für die Transformation. Es konnten von verschiedenen O. ecklonis Sorten GUS-transgene, nicht-chimäre Pflanzen regeneriert werden.Zur Erzeugung transgener Pflanzen mit dem Ziel der Resistenz gegen LMV (lettuce mosaic potyvirus, Salat Mosaik Virus) wurden drei Konstrukte verwendet. Das erste enthält die kodierende Sequenz der Virusproteine VPg, Pro und 6K2. Durch PCR-Mutation wurde die Proteinase-Schnittstelle zwischen 6K2 und VPg zerstört, sowie Start- und Stopcodon eingeführt. Die anderen LMV-abgeleiteten Konstrukte enthalten nicht translatierbare Fragmente des coat protein Gens in sense und antisense Orientierung.Außerdem wurde O. ecklonis noch mit dem Gen des mutmaßlichen Transkriptionsfaktor SPL3 aus Arabidopsis thaliana unter der Kontrolle eines konstitutiven Promotors transformiert. SPL3 ist an der Regulierung der Blüteninduktion in A. thaliana beteiligt.Regenerierte O. ecklonis wurden durch PCR mit konstruktspezifischen Primern auf Anwesenheit des Transgens und Kontamination durch A. tumefaciens überprüft.