Skip to main content

Articles

Page 20 of 51

  2. Typically, the most abundant group of shrimp larvae in the German Bight is formed by representatives of the family Crangonidae. Larvae of the remaining species have been largely ignored, and only scarce inform...

    Authors: I. S. Wehrtmann and W. Greve
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368408
    Content type: Marine Ecology of Specific Areas Published on:

  3. Diel vertical migration of a stable and well-defined population of Nordic krill,Meganyctiphanes norvegica (Crustacea, Euphausiacea) was investigated during eight days in August 1989, in the Läsö-Deep, East of the...

    Authors: F. Buchholz, C. Buchholz, J. Reppin and J. Fischer
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368407
    Content type: Marine Ecology of Specific Areas Published on:

  4. Since the beginning of the seventies, upwelling research has become increasingly popular in the path of the Canary and Benguela Current, because of economic consideration, particularly in the relation to fishe...

    Authors: L. Postel, E. A. Arndt and U. Brenning
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368406
    Content type: Marine Ecology of Specific Areas Published on:

  5. Seven research suggestions are discussed: the phenomenon of the rare species, the life conditions of meiofauna in suboxic sediment layers, the part-time dormancy of animals and bacteria in the sediment, the im...

    Authors: S. A. Gerlach
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368393
    Content type: North Sea Research: Marine Ecophysiology, Parasite-Host Relationships Published on:

  6. Organotins are toxic to microorganisms. Trisubstituted organotins (R3SnX) are considered more toxic than disubstituted (R2SnX2) or monosubstituted (RSnX3) compounds, and tetrasubstituted compounds (R4Sn) are not ...

    Authors: J. J. Cooney
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368390
    Content type: Marine Ecology: Political, Economic and Environmental Implications Published on:

  7. Marine biological monitoring programmes frequently attempt to determine “safe” levels of contamination, based on assumptions about the assimilative capacity of the environment. This paper argues that such assu...

    Authors: M. MacGarvin
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368389
    Content type: Marine Ecology: Political, Economic and Environmental Implications Published on:

  8. Oceanography and marine ecology have a considerable history in the use of computers for modeling both physical and ecological processes. With increasing stress on the marine environment due to human activities...

    Authors: K. Fedra
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368387
    Content type: Marine Ecology: Political, Economic and Environmental Implications Published on:

  9. Once the moult patterns have been taken into account, feather methylmercury levels can be used to accurately measure the mercury burdens of seabirds. We used body feathers from live seabirds and from museum co...

    Authors: R. W. Furness, D. R. Thompson and P. H. Becker
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368386
    Content type: Marine Ecology: Political, Economic and Environmental Implications Published on:

  10. Results of investigations on the influence of five different sheep grazing intensities on the invertebrate fauna of two mainland salt marsh sites of the German Wadden Sea coast are presented for the years 1990...

    Authors: H. Meyer, H. Fock, A. Haase, H. D. Reinke and I. Tulowitzki
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368383
    Content type: North Sea Research: Ecology of the Wadden Sea Published on:

  11. A detailed analysis is presented of the main contributions, both local and international, to the fields of oceanography and fishery sciences resulting from exploratory cruises carried out on the continental sh...

    Authors: V. Angelescu and R. P. Sánchez
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368375
    Content type: Marine Stations Founded in the Same Period of Time as the Biologische Anstalt Helgoland Published on:

  12. The institute in Rovinj was founded in 1891 as the field station of the Berlin Aquarium. It soon gained in scientific importance. From 1911, it was governed by various scientific bodies, such as the ‘Kaiser-Wi...

    Authors: D. Zavodnik
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368371
    Content type: Marine Stations Founded in the Same Period of Time as the Biologische Anstalt Helgoland Published on:

  14. Grids of 17 to 50 stations in the German Bight were sampled 18 times within the framework of the multidisciplinary programmes ZISCH and PRISMA in winter and spring of 1988/89 and from April 1991–April 1992. Th...

    Authors: H. -J. Rick and C. -D. Dürselen
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368362
    Content type: North Sea Ecology: Biodiversity, Biogeography Published on:

  16. Coherent assemblages of marine benthic species have been recognized from the early twentieth century, and the classical papers of Petersen (1914, 1918) were based on studies of limited areas in the North Sea. ...

    Authors: C. Heip and J. A. Craeymeersch
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368359
    Content type: North Sea Ecology: Biodiversity, Biogeography Published on:

  17. After defining ‘ecology’, outlining the basic categories of ecological research and listing examples of modern ecological investigations, this introductory paper focusses on basic considerations; it is, in ess...

    Authors: O. Kinne
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368358
    Content type: North Sea Ecology: Biodiversity, Biogeography Published on:

  18. Mesozooplankton grazing onPhaeocystis cf.globosa was investigated by laboratory and field studies. Tests on 18 different species by means of laboratory incubation experiments, carried out at the Biologische Ansta...

    Authors: F. C. Hansen
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368356
    Content type: Visiting Scientists at the Biologische Anstalt Helgoland (History and Specific Results) Published on:

  19. The larvae ofPhoronis mülleri are comprised of many diverse behavioural forms that can be manipulated experimentally to facilitate precise assertions about the induction of metamorphosis. Various parameters for i...

    Authors: K. Herrmann
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368355
    Content type: Visiting Scientists at the Biologische Anstalt Helgoland (History and Specific Results) Published on:

  20. The Biologische Anstalt Helgoland (BAH) offers unique possibilities for research and education in marine sciences in the southern part of the North Sea. Besides its own research duties, the Institute provides ...

    Authors: J. Harms
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368354
    Content type: Visiting Scientists at the Biologische Anstalt Helgoland (History and Specific Results) Published on:

  21. Viable counts of aerobic and anaerobic chemotrophic sulphur-oxidizers as well as phototrophic sulphur bacteria were determined in sediment samples taken from two different areas along the Baltic Sea shore whic...

    Authors: J. F. Imhoff, A. Schneider and L. Podgorsek
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368352
    Content type: Marine Ecology: Microbial Processes Published on:

  23. The potential hydrolysis rates of five different hydrolytic enzymes were determined in deep-sea sediments from the northeast Atlantic (BIOTRANS area) in March 1992. Fluorogenic substrates were used to assay ex...

    Authors: A. Boetius
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368348
    Content type: Marine Ecology: Microbial Processes Published on:

  24. Despite the fact that many marine fungi, including phycomycetes, yeasts, ascomycetes and hyphomycetes, have been recorded from living and/or dead phaeophytes, only a few of these have been shown to be capable ...

    Authors: K. Schaumann and G. Weide
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368346
    Content type: Marine Ecology: Microbial Processes Published on:

  25. In this study we determined oil degradation rates in the North Sea under most natural conditions. We used the heavy fuel oil, Bunker C, the major oil pollutant of the North Sea, as the model oil. Experiments w...

    Authors: W. Minas and W. Gunkel
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368345
    Content type: Marine Ecology: Microbial Processes Published on:

  27. Looking back from the 1990s it seems natural to view the work done in the Biologische Anstalt Helgoland by Friedrich Heincke and his colleagues, beginning in 1892, as marine ecology or marine biology, and that...

    Authors: Eric L. Mills
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368334
    Content type: Historical Aspects of Marine Biology Published on:

  28. Looking forward on this occasion, rather than reviewing the past 100 years, it appears that 100 years hence, we will have to manage the environment worldwide like a global garden. How will the ecological knowl...

    Authors: K. Banse
    Citation: Helgoländer Meeresuntersuchungen 1995 49:BF02368329
    Content type: Celebration Speech Published on:

  29. Authors: Ilse Bartsch, D. Siebers, K. Reise and K. -R. Sperling
    Citation: Helgoländer Meeresuntersuchungen 1994 48:BF02366259
    Content type: BookReview Published on:

  30. The protonephridia ofProtodrilus rubropharyngeus are described. They consist of a terminal cell, one nephridiopore cell, and different types of duct cells (proximal, medial, distal) with the duct running intracel...

    Authors: H. von Nordheim and A. Schrader
    Citation: Helgoländer Meeresuntersuchungen 1994 48:BF02366258
    Content type: OriginalPaper Published on:

  31. Mar Chiquita, a brackish coastal lagoon in central Argentina, is inhabited by dense populations of two intertidal grapsid crab species,Cyrtograpsus angulatus andChasmagnathus granulata. During a preliminary one-y...

    Authors: K. Anger, E. Spivak, C. Bas, D. Ismael and T. Luppi
    Citation: Helgoländer Meeresuntersuchungen 1994 48:BF02366257
    Content type: OriginalPaper Published on:

  33. By means of monthly in situ incubations, variations in oxygen uptake, nutrient release and C/N-ratio were monitored during a period of 14 months of a mussel population (Mytilus edulis L.) located on an exposed be...

    Authors: L. Schlüter and S. B. Josefsen
    Citation: Helgoländer Meeresuntersuchungen 1994 48:BF02366255
    Content type: OriginalPaper Published on:

  34. Growth and reproduction of the colonial hydroidCordylophora caspia were monitored during the breeding season in natural conditions. In 1987, a life history study was carried out on the upright stems of the main s...

    Authors: V. Jormalainen, T. Honkanen, T. Vuorisalo and P. Laihonen
    Citation: Helgoländer Meeresuntersuchungen 1994 48:BF02366254
    Content type: OriginalPaper Published on:

  35. This investigation complements two previous publications by Kornmann & Sahling [1977, 1983]. The paper summarizes floristic changes that have taken place in the marine macroalgal flora of Helgoland, North Sea,...

    Authors: P. Kornmann and P. -H. Sahling
    Citation: Helgoländer Meeresuntersuchungen 1994 48:BF02366253
    Content type: OriginalPaper Published on:

  41. The effect of hydrodynamically-mobilized sediment on abundance and vertical distribution of macrobenthic fauna was studied in Königshafen, a sheltered tidal bay at the northern end of the Island of Sylt (North...

    Authors: R. Zühlke and K. Reise
    Citation: Helgoländer Meeresuntersuchungen 1994 48:BF02367041
    Content type: OriginalPaper Published on:

  47. A comparison of summer nutrients obtained during the investigation periods 1979–1983 and 1990–1992 was made, to elucidate whether or not changes have occurred in Königshafen Bay during the last decade. In both...

    Authors: G. Schneider and P. Martens
    Citation: Helgoländer Meeresuntersuchungen 1994 48:BF02367034
    Content type: OriginalPaper Published on:

  49. Former stages of the morphological development of northern Sylt are reconstructed to extend knowledge of the type and approximate time of the formation of a sandy bay (Königshafen) in the Wadden Sea. Apart fro...

    Authors: K. -A. Bayerl and B. Higelke
    Citation: Helgoländer Meeresuntersuchungen 1994 48:BF02367032
    Content type: OriginalPaper Published on:
Submit manuscript
AWI Logo

Follow

Annual Journal Metrics

Helgoland Marine Research

ISSN: 1438-3888

Contact us