Skip to main content

Articles

Page 32 of 51

  1. Authors: D. Kühlmann, H. v. Westernhagen, H. Mergner, K. Anger, W. Hickel, O. Kinne, D. Siebers and M. Gillbricht
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1979 32:BF02189593
    Content type: BookReview Published on:

  2. About 43Cladophora species inhabit the coasts of the northern Atlantic Ocean. These can be subdivided into seven distribution groups: (a) the tropical western Atlantic group (16 species); (b) the warm temperate M...

    Authors: C. van den Hoek
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1979 32:BF02189592
    Content type: OriginalPaper Published on:

  3. Dispersion, abundance dynamics, size-frequency, mortality, growth, biomass, productivity, energy flow, germ-cell development, sex ratio, breeding season, natality and fertility ofArenicola marina were investigate...

    Authors: H. Pollack
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1979 32:BF02189589
    Content type: OriginalPaper Published on:

  6. Eggs of Baltic herring were incubated (10°C; 16‰S) in sea water containing mixtures of Cd, Cu and Pb at concentrations of 0.56–5.0, 0.0167–0.15, 0.56–5.0 mg metal/l; embryonic survival until hatching, viable h...

    Authors: H. v. Westernhagen, V. Dethlefsen and H. Rosenthal
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1979 32:BF02189585
    Content type: OriginalPaper Published on:

  9. The effects of light and darkness on chromatophore arrangements inFucus vesiculosus thalli exposed to air with one side (half dry) or with both sides (dry) were investigated. Low-intensity arrangement, high-inten...

    Authors: W. Nultsch, U. Rüffer and J. Pfau
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1979 32:BF02189899
    Content type: OriginalPaper Published on:

  12. The response surface method was used to study the effects of temperature, salinity and Cd contamination on the development of fertilized eggs ofMytilus edulis from the western Baltic Sea to the veliger stage as w...

    Authors: W. Lehnberg and H. Theede
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1979 32:BF02189896
    Content type: OriginalPaper Published on:

  13. Changes in total volume and volume of the yolk and perivitelline space of Pacific herring eggs were examined throughout incubation at 5°C in relation to salinity of the incubation medium (5, 20, 35‰ S), and af...

    Authors: D. F. Alderdice, H. Rosenthal and F. P. J. Velsen
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1979 32:BF02189895
    Content type: OriginalPaper Published on:

  14. Eggs of Pacific herring (Clupea pallasi) were incubated at 5°C in salinities of 5, 20, and 35‰, and in cadmium concentrations of 0.05, 0.1, 1, 5, and 10 ppm (20‰ S). Bursting pressures of eggs in the eight groups...

    Authors: D. F. Alderdice, H. Rosenthal and F. P. J. Velsen
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1979 32:BF02189894
    Content type: OriginalPaper Published on:

  16. Micro-spatial patterns of five infaunal polychaete species were investigated on tidal flats in the Wadden Sea (island of Sylt, North Sea). Sediment samples were taken within plots of 4 m2 at regular distances or ...

    Authors: K. Reise
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1979 32:BF02189892
    Content type: OriginalPaper Published on:

  18. The ecology and distribution of the polychaetes inhabiting the rocky interidal zone of the island of Helgoland (German Bight, North Sea) were studied at five ecologically different stations.Scolelepis squamata, M...

    Authors: L. Gillandt
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1979 32:BF02189890
    Content type: OriginalPaper Published on:

  19. Authors: M. Bilio, K. Anger, M. Gillbricht, O. Kinne, H. Rosenthal, H. -P. Bulnheim, B. Werner and G. Drebes
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189498
    Content type: Addendum Published on:

  20. The parameters of the Gompertz function, the Bertalanffy function, and the reciprocal function (Krüger, 1962) are calculated for comparison using growth data obtained by Weymouth et al. (1930, 1931) for the ra...

    Authors: F. Krüger
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189497
    Content type: OriginalPaper Published on:

  21. A method is described whereby arrays of samples ofClupea pallasi eggs may be stored during their preparation. The high fertilization potential retained by the eggs during short-term storage allows them to be fert...

    Authors: D. F. Alderdice and F. P. J. Velsen
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189496
    Content type: OriginalPaper Published on:

  22. Two recirculated marine seawater systems (capacities: 150 and 300 l) were used for the study on cadmium accumulation of biological filter sludge, by the musselMytilus edulis and the plaicePleuronectes platessa fo...

    Authors: H. von Westernhagen, V. Dethlefsen, H. Rosenthal, G. Fürstenberg and J. Klinckmann
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189495
    Content type: OriginalPaper Published on:

  27. Based on field studies and cultivation, fourBlidingia-species have been established for Helgoland (North Sea). One of them, hitherto not separated fromB. minima, is regarded as beingB. chadefaudii, though differi...

    Authors: P. Kornmann and P. -H. Sahling
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189490
    Content type: OriginalPaper Published on:

  28. Authors: K. Anger, A. Rosenthal, F. -W. Tesch, G. Lauckner, H. -P. Bulnheim, K. Hülsemann, W. Gunkel, H. v. Westernhagen, O. Kinne and W. E. Krumbein
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189489
    Content type: Addendum Published on:

  29. The amount of particulate matter for different size classes was determined in the North Frisian Wadden Sea over a period of 10 months from November 1973 to August 1974. Particle volume, particulate organic car...

    Authors: G. -A. Paffenhöfer
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189488
    Content type: OriginalPaper Published on:

  31. Light-induced transmission changes, measured microphotometrically in the brown algaFucus vesiculosus, are mainly the result of chromatophore displacements. Dose-response curves, as well as observations by microsc...

    Authors: U. Rüffer, W. Nultsch and J. Pfau
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189486
    Content type: OriginalPaper Published on:

  32. The egg membrane and follicle of the oocytes ofPomatoschistus minutus were investigated by light and electron microscopy. The formation of the cortex radiatus begins in late stage I and is concluded in stage III....

    Authors: R. Riehl
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189485
    Content type: OriginalPaper Published on:

  33. In-situ studies on sublittoral soft bottom macrofauna (depth: 14–16 m) employing the underwater laboratory (UWL) “Helgoland” were carried out. Sets of samples were compared for small-scale local and short-term...

    Authors: U. Rogal, K. Anger, G. Schriever and C. Valentin
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189484
    Content type: OriginalPaper Published on:

  34. The present paper reports on the responses of the barnacleBalanus balanus L. to various light-dark cycles (30/30 min–360/360 min). As measured by cirral activity (cirrus beats per unit time), an increase of stimu...

    Authors: H. -H. Sommer
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189483
    Content type: OriginalPaper Published on:

  36. Based on previous studies (Klöckner, 1976b) dealing with field investigations on breeding season, choice of substratum, growth and mortality of the sessile filter-feeding tube wormPomatoceros triqueter in Helgola...

    Authors: K. Klöckner
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02189481
    Content type: OriginalPaper Published on:

  38. Phototrophic sulfur bacteria were isolated from Black-Sea mud at depths of 660 and 2,240 m. The species obtained in pure cultures were identified asChromatium warmingii andThiocapsa roseopersicina. In addition,Ch...

    Authors: F. A. Hashwa and H. G. Trüper
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02297000
    Content type: OriginalPaper Published on:

  40. Puccinellia capillaris (Liljebl.) Jansen has been investigated at various localities around the island Helgoland (North Sea) from 1968 onwards. Ecological studies at 68 locations including an analysis of soil fa...

    Authors: K. von Weihe and G. Dreyling
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02296998
    Content type: OriginalPaper Published on:

  41. Using a Phillipson microbomb calorimeter, the energy values of the “infauna-substrate-feeders”Sipunculus nudus andPhascolosoma vulgare and the nutritive value of their food substrate were determined. Calorific me...

    Authors: M. D. Hansen
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02296997
    Content type: OriginalPaper Published on:

  42. Photo-reception and sensitivity to light were studied in two Japanese hagfishes,Eptatretus burgeri living in shallow water andParamyxine atami living in water of about 100m depth. Both species responded to genera...

    Authors: R. A. Patzner
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02296996
    Content type: OriginalPaper Published on:

  43. The gills of several polychaete species belonging to 9 families were studied by scanning and transmission electron microscopy. The surface epithelium is covered by a thin cuticle which is invaded by microvilli...

    Authors: V. Storch and G. Alberti
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02296995
    Content type: OriginalPaper Published on:

  44. The microanatomy of a cubopolyp (polypoid stage of Cubomedusae) is described for the first time. The 0.5–1.0 mm long polyp ofTripedialia cystophora has an oral cone with special lip cells at the mouth. Next is a ...

    Authors: D. M. Chapman
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02296994
    Content type: OriginalPaper Published on:

  45. Daily activity patterns ofAstropecten aranciacus, A. bispinosus andA. jonstoni were investigated by means of SCUBA diving. The three species generally showed two peaks of activity, at dawn and dusk. However, the ...

    Authors: V. Ferlin-Lubini and G. Ribi
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02296993
    Content type: OriginalPaper Published on:

  47. Field experiments were designed to evaluate the role of predators in the Wadden Sea, small predators like shore crabs, shrimps and gobies, and large ones like flatfish and birds. Exclosures, maintained in aCoroph...

    Authors: K. Reise
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02296991
    Content type: OriginalPaper Published on:

  49. Sex determination inGammarus duebeni duebeni was analyzed by breeding experiments conducted with individuals obtained from various populations. Sex ratio of progeny depends on genetic factors and photoperiod. Gen...

    Authors: H. -P. Bulnheim
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1978 31:BF02296989
    Content type: OriginalPaper Published on:

  50. In situ sampling of gas from cod swim-bladders took place during a fortnight's saturation mission with the underwater laboratory “Helgoland“ in May–June 1975. These samples were compared to those done by the c...

    Authors: G. Sundnes, B. Gulliksen and J. Mork
    Citation: Helgoländer wissenschaftliche Meeresuntersuchungen 1977 29:BF01609983
    Content type: OriginalPaper Published on:
Submit manuscript
AWI Logo

Follow

Annual Journal Metrics

Helgoland Marine Research

ISSN: 1438-3888

Contact us