Auflistung Institut für Biologie nach Titel
Anzeige der Publikationen 23-42 von 82
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2021-10-01ZeitschriftenartikelDas Vorkommen von Semibalanus balanoides im Kosterfjord ist unabhängig von der Wellenenergie, aber beeinflusst durch die geografische Ausrichtung During a survey in September 2010 in Tjärnö, Sweden, we examined differences in the occurrence of the barnacle Semibalanus balanoides at rocky shores. We sought to proof whether there were differences in the density of S. ...
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2021-10-01ZeitschriftenartikelDer Einfluss von Seepockenbefall auf die Agilität von Littorina littorea In the Wadden sea of Sylt Littorina littorea constitutes a wide spreaded species of snails. Since L. littorea possesses no defence mechanisms against settling by epibionts such as chemical barricades, the periwinkles are ...
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2021-10-01ZeitschriftenartikelDer Einsiedlerkrebs - Ein Tier mit Persönlich- keit? Auswirkungen von Stressfaktoren bei Pa- gurus bernhardus (Crustacea: Decapoda) Personality in animals has been studied on many different species and is based on the observation and inve- stigation of behavioural traits. The common hermit crab, Pagurus bernhardus, indigenous to the mud flats in the ...
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2021-10-01ZeitschriftenartikelDie Schalenmorphologie von Patella spp. an der bretonischen Atlantikküste ist standortabhängig In dieser Studie wurde untersucht, in wieweit die Schalenmorphologie der Napfschneckenarten Patella depressa und Patella vulgata je nach Standort variiert. Dazu wurden an einem Standort an der bretonischen Atlantikküste ...
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2021-10-01ZeitschriftenartikelDifferences of the phyto- and zooplakton population in water samples taken from two different depths in the Gullmarsfjord This field study examines the differences in phyto- and zooplankton in different depths in the water body of the Gullmarfjord. The Fjord is located at the west coast of Sweden and is fed by the waters of the Skagerrak, the ...
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2021-10-01ZeitschriftenartikelDo scallops have memory? - Conditioning of Chlamys varia towards optic stimuli. Scallops of the species Chlamys varia were conditioned towards flashlights. The attack of a predator, starfish Asterias rubens was linked to a previous flashlight. Although C. varia did not show the exspected escape reaction ...
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2023-03ZeitschriftenartikelDo they like it dirty? Wie Carcinus maenas kurzfristig auf Verschmutzung reagiert Pollution of the oceans by anthropogenic influences is a serious problem that will continue to progress in the coming years. The aim of this study was to investigate whether harbour water, which is presumably affected by ...
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2023-03ZeitschriftenartikelEin Vergleich der Epibiontendiversität auf zwei Molluskenarten (Magallana gigas und Mytilus edulis) an drei verschiedenen Standorten des Nordsee-Wattenmeers Mussels provide habitat for many organisms – so called epibionts – of the tidal flats by using the shells as a hard substrate for attachment. The abundance of epibionts on mussel shells can vary by location. In this study, ...
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2023-03ZeitschriftenartikelEinfluss von abiotischen Umweltbedingungen auf die frühen Entwicklungsstadien von Phyl- lodoce maculata L. The Wadden Sea a habitat with extreme variability of abiotic factors. In spring, green gelatinous egg capsules of the polychaete Phyllodoce maculata can be found attached to the sediment, algae or hard substrates. The eggs ...
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2021-10-01ZeitschriftenartikelElektronenmikroskopische Untersuchung der Epidermis von Pomatias elegans The round-mouthed snail Pomatias elegans is a terrestrial gastropod, which belongs to the subclass Pro- sobranchia and is widely distributed in Europe and in the Black Sea region. This study aims to describe in detail the ...
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2021-10-01ZeitschriftenartikelFiltration rates in three different Scandinavian ascidians: quantification of the influence of salinity on feeding efficiency Ascidians are marine filter-feeding organisms, which feed on phytoplankton and organic detritus. We examined the influence of salinity on absolute and individual filtration rates of three Scandinavian ascidian species ...
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2021-10-01ZeitschriftenartikelFood preferences explain distribution of the two marine gastropods Hydrobia ulvae and Littorina littorea Im Rahmen des Meeresbiologischen Praktikums in der Forschungsstation Kristineberg (Schweden) im Sommer 2004 haben wir untersucht, ob die marinen Gastropodenarten Hydrobia ulvae und Littorina littorea Futterpräferenzen ...
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2021-10-01ZeitschriftenartikelHabitat and settlement preferences of adult respectively larval Flustrellidra hispida Between 26.03.06 and 05.04.06 we examined the settlement preferences of the bryozoan Flustrellidra hispida on the brown alga Fucus serratus in the rocky intertidal of Le Cabellou in France. In field experiments we ...
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2021-10-01ZeitschriftenartikelHabitat preferences of juvenile and adult Carcinus maenas (L., 1758) under laboratory conditions The european shore crab Carcinus maenas of the Wadden Sea lives in a diverse range of habitats. It is highly adaptable to different environments where it chooses structures that offer protection from predators. Its choice ...
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2021-10-01ZeitschriftenartikelHabitat preferences of Pomatoschistus minutus (Gobiidae) under laboratory conditions Pomatoschistus minutus (Pallas, 1770) is a small camouflaged gobiid fish that lives in the shallow subtidal. While predation has been shown to be important for population structure in sand gobies evidence for active habitat ...
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2021-10-01ZeitschriftenartikelHoming behavior and locality preferences in patellid and trochid gastropods In the present study we examined the homing behavior, distribution and locality-preferences of two groups of Gastropods, Patellidae and Trochidae, in the Eulittoral of the rocky shore at Le Cabellou, Brittany/France. By ...
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2021-10-01ZeitschriftenartikelIdentifying body parameters of Arenicola marina based on the diameter of fecal strings The lugworm Arenicola marina is a widely distributed inhabitant of the Wadden Sea along North European coasts. The worm resides inside a u-shaped tube, subsisting sand from one opening and leaving fecal strings of digested ...
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2021-10-01ZeitschriftenartikelInfluence of Hydractinia echinata on the shell- choice of the hermit crab Pagurus bernhardus Pagurus bernhardus is a hermit crab, which is prone to predators and injuries, due to its scarcely sclerotized abdomen. Its survival depends on the availability of the shells of gastropods, e.g. the common periwinkle ...
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2024-03-27ZeitschriftenartikelInvestigations on the Echinodermata Biodiversity of Heligoland Echinodermata are ecologically important in marine ecosystems and play a central role in the marine food web. The aim of this study is to provide an overview on the current biodiversity of Echinodermata on the coasts of ...
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2021-10-01ZeitschriftenartikelIs there a size-dependency in the predator- prey interaction of Asterias rubens and Mytilus edulis? This study examines the complex structure of prey and predator interactions, which are regulated by a variety of factors. Here, we are focusing on the prey size preference of the starfish Asterias rubens and its prey, the ...