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Article
Open AccessThe BepiColombo Laser Altimeter
The BepiColombo Laser Altimeter (BELA) is the first European laser altimeter constructed for interplanetary flight. BELA uses a 50 mJ pulsed Nd:YAG laser operating at 10 Hz with a 20 cm aperture receiver to pe...
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Article
Open AccessThe CHEOPS mission
The CHaracterising ExOPlanet Satellite (CHEOPS) was selected on October 19, 2012, as the first small mission (S-mission) in the ESA Science Programme and successfully launched on December 18, 2019, as a second...
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Article
The Camera of the MASCOT Asteroid Lander on Board Hayabusa 2
The MASCOT Camera (MasCam) is part of the Mobile Asteroid Surface Scout (MASCOT) lander’s science payload. MASCOT has been launched to asteroid (162173) Ryugu onboard JAXA’s Hayabusa 2 asteroid sample return m...
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Article
The “piece-by-piece predation” of Eteone longa on Scolelepis squamata (Polychaetes )—traces on the sediment documenting chase, defence and mutilation
On many sea shores of the Niedersachsen coast, the polychaete Scolelepis squamata is the dominant animal species living in the sediment of exposed beaches.The population of the predatory species Eteone longa, wit...
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Chapter
Soft-Bottom Fauna of a Tropical (Banc d’ Arguin, Mauritania) and a Temperate (Juist Area, German North Sea Coast) Intertidal Area
Numerous studies all over the world have dealt with the ecology of the intertidal soft-bottom fauna. Piersma et al. (1993) reviewed literature data of the zoobenthic biomass of intertidal soft-bottom areas in tro...
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Chapter
Biomechanische Analyse von Tätigkeiten in Pflegeberufen
Der chronische tiefsitzende Rückenschmerz hat eine multifaktorielle Genese [1,3,21,23]. Nicht nur die manuelle Handhabung von Lasten, sondern auch psychosoziale Faktoren spielen in der Entwicklung des „low bac...
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Article
The influence of predation by herring gullsLarus argentatus and oystercatchersHaematopus ostralegus on a newly established musselMytilus edulis bed in autumn and winter
Predation by herring gullsLarus argentatus and oystercatchersHaematopus ostralegus was evaluated on a newly established musselMytilus edulis bed on tidal flats of the German Wadden Sea. The mussel bed covered an ...
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Article
Red List of macrofaunal benthic invertebrates of the Wadden Sea
In the Wadden Sea, in total, 93 species of macrofaunal benthic invertebrates are threatened in at least one subregion. Of these, 72 species are threatened in the entire area and are therefore placed on the tri...
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Article
Phaeocystis globosa and the phytoplankton succession in the East Frisian coastal waters
The phytoplankton succession and related abiotic variables were investigated within the frame of a monitoring programme. Results from 1985 to 1991 are presented. For the prymnesiophytePhaeocystis globosa, an incr...
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Article
Macroalgal mass development in the Wadden Sea: First experiences with a monitoring system
The distribution and cover density of macroalgae (Chlorophyta, Ulvaceae) were estimated by means of aerial surveys in 1990–1992 in the Wadden Sea of Niedersachsen, an intertidal area of some 1200 km2 situated at ...
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Article
Food items of the grey mullet Mugil cephalus in the Banc d'Arguin area (Mauritania)
The stomach and gut content of 22 Mugil cephalus from the Banc d'Arguin shallows (Mauritanian coast, West Africa) is examined. Quartz grains are the predominant material found in the stomach together with small p...
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Chapter and Conference Paper
Food items of the grey mullet Mugil cephalus in the Banc d’Arguin area (Mauritania)
The stomach and gut content of 22 Mugil cephalus from the Banc d’Arguin shallows (Mauritanian coast, West Africa) is examined. Quartz grains are the predominant material found in the stomach together with small p...
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Article
Magnetic fields near Mars: first results
BASED on the examples of the Earth and Moon, we expect that Mars has or once had an intrinsic planetary magnetic field. The Earth has a large magnetic moment, 8 x 1015 T m3, and the Moon's remanent magnetism in i...
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Chapter and Conference Paper
Long-term studies of macrozoobenthos in intertidal and shallow subtidal habitats near the island of Norderney (East Frisian coast, Germany)
Near the East Frisian island of Norderney two sites are investigated permanently in order to study long-term fluctuations of macrozoobenthos: one transect (since 1977) at the northern side in shallow subtidal ...
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Article
Long-term studies of macrozoobenthos in intertidal and shallow subtidal habitats near the island of Norderney (East Frisian coast, Germany)
Near the East Frisian island of Norderney two sites are investigated permanently in order to study long-term fluctuations of macrozoobenthos: one transect (since 1977) at the northern side in shallow subtidal ...
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Article
Phaeocystis pouchetii blooms in the East Frisian coastal waters (German Bight, North Sea)
In 1982 and 1983, blooms of the planktonic alga Phaeocystis pouchetii were studied in the East Frisian coastal waters off Norderney, FRG. Morphological variability of the colonies, population development, effects...
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Chapter and Conference Paper
Competition of Urophora Stylata F. and Terellia Serratulae L. (Dipt., Tephritidae) in the Flowerheads of Cirsium Vulgare
Fruit flies infesting the floverheads of thistles are not generally regarded as being of any economic importance. There are two reasons, however, to include some notes on their biology in this place. There hav...
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Article
Zur Morphologie und Ökologie vonPolydora ciliata undP. ligni (Polychaeta, Spionidae)
The polychaete wormsPolydora ciliata andP. ligni were investigated with regard to the morphology of their fifth chaetigerous segment, bearing bundles of modified bristles in a special arrangement. The development...
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Article
Über die Bestimmung des Alkaloidgehaltes in Lupinensamen nach verschiedenen Methoden
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Article
Einen automatischen Gasverschluss
