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  3. In the Anomura, studies on growth patterns are infrequent, possibly because the heterogeneity of the group, especially in terms of morphology, makes it difficult to construct generalized growth models. Particu...

    Authors: Marina Zilio Fantucci, Renata Biagi and Fernando Luis Mantelatto
    Citation: Helgoland Marine Research 2009 63:144
    Content type: Original Article Published on:

  4. Whereas it is well known that ecosystem engineers can have a large influence on biodiversity, underlying mechanisms are still not fully clear. We try to enhance insight by comparing biodiversity effects of two...

    Authors: Tjeerd J. Bouma, Victor Ortells and Tom Ysebaert
    Citation: Helgoland Marine Research 2008 63:133
    Content type: Original Article Published on:

  5. The aim of this study was to quantify the effect of bottom and suspended mussel cultures, cultured in different physical environments, on the sedimentary environmental conditions and thereby the biodiversity s...

    Authors: Tom Ysebaert, Miron Hart and Peter M. J. Herman
    Citation: Helgoland Marine Research 2008 63:136
    Content type: Original Article Published on:

  7. Quantifying the broad-scale distribution and abundance of non-indigenous species (NIS) is necessary to provide accurate estimations on impacts of invasions, to prioritize research, and to guide national manage...

    Authors: Mads S. Thomsen, Thomas Wernberg, Brian R. Silliman and Alf B. Josefson
    Citation: Helgoland Marine Research 2008 63:142
    Content type: Original Article Published on:

  9. Seagrasses are well known ecosystem engineers that can significantly influence local hydrodynamics and the abundance and biodiversity of macrobenthic organisms. This study focuses on the potential role of the ...

    Authors: Fernando G. Brun, Elleke van Zetten, Eva Cacabelos and Tjeerd J. Bouma
    Citation: Helgoland Marine Research 2008 63:134
    Content type: Original Article Published on:

  10. Dense beds of mussels of the family Mytilidae occur worldwide on soft-bottoms in cold and warm temperate coastal waters and have usually been considered hot spots of biodiversity. We examined intertidal mussel...

    Authors: Christian Buschbaum, Sabine Dittmann, Jae-Sang Hong, In-Seo Hwang, Matthias Strasser, Martin Thiel, Nelson Valdivia, San-Pil Yoon and Karsten Reise
    Citation: Helgoland Marine Research 2008 63:139
    Content type: Original Article Published on:

  11. Bioturbating lugworms (Arenicola marina) were excluded from 400 m² plots of intertidal sand which initiated sequences of direct and indirect changes in the structure of the benthic community. The sessile, tube-bu...

    Authors: Nils Volkenborn, Dylan Martin Robertson and Karsten Reise
    Citation: Helgoland Marine Research 2008 63:140
    Content type: Original Article Published on:

  12. The Pacific oyster Crassostrea gigas was first introduced as an exotic species by oyster farmers in 1964 in the Oosterschelde estuary (SW Netherlands). The initial phase is not well documented but first natural s...

    Authors: A. C. Smaal, B. J. Kater and J. Wijsman
    Citation: Helgoland Marine Research 2008 63:138
    Content type: Original Article Published on:

  13. The positive effects of the tube dwelling polychaete Lanice conchilega for the associated benthic community emphasizes this bio-engineer’s habitat structuring capacity (Rabaut et al. in Estuar Coastal Shelf Sci, ...

    Authors: Marijn Rabaut, Magda Vincx and Steven Degraer
    Citation: Helgoland Marine Research 2008 63:137
    Content type: Original Article Published on:

  14. Habitat engineering role of the invasive zebra mussel Dreissena polymorpha (Pallas) was studied in the Curonian lagoon, a shallow water body in the SE Baltic. Impacts of live zebra mussel clumps and its shell dep...

    Authors: Anastasija Zaiko, Darius Daunys and Sergej Olenin
    Citation: Helgoland Marine Research 2008 63:135
    Content type: Original Article Published on:

  15. Detailed information revealed through combined use of light- and scanning electron microscopy, is given for two species of kinorhynchs, representing the cyclorhagid genera Semnoderes and Antygomonas. The two spec...

    Authors: Martin V. Sørensen, Iben Heiner and Jesper G. Hansen
    Citation: Helgoland Marine Research 2008 63:132
    Content type: Original Article Published on:

  16. Shell size distribution patterns of marine gastropod populations may vary considerably across different environments. We investigated the size and density structure of genetically continuous periwinkle populat...

    Authors: Nina Eschweiler, Markus Molis and Christian Buschbaum
    Citation: Helgoland Marine Research 2008 63:131
    Content type: Original Article Published on:

  17. Growth of the invasive algae Caulerpa racemosa var. cylindracea in shallow habitats may influence the faunal assemblage composition. We studied its effects on caprellid assemblages associated with shallow-water h...

    Authors: M. Vázquez-Luis, J. M. Guerra-García, P. Sanchez-Jerez and J. T. Bayle-Sempere
    Citation: Helgoland Marine Research 2008 63:129
    Content type: Original Article Published on:

  18. Duration of embryonic development, egg size, larval size at hatching, and starvation tolerance of the first zoeal stage were studied in an intertidal crab from the southwestern Atlantic, Neohelice (formerly Chasm...

    Authors: Claudia C. Bas, Eduardo D. Spivak and Klaus Anger
    Citation: Helgoland Marine Research 2008 62:128
    Content type: Original Article Published on:

  19. A new soft coral species of the genus Nidalia, from seamounts to the south of the Azores Archipelago is described. The main features of Nidalia aurantia n. sp. are as following: colony torch-like, a capitulum lig...

    Authors: Pablo J. López-González and Josep-Maria Gili
    Citation: Helgoland Marine Research 2008 62:127
    Content type: Original Article Published on:

  20. First results are presented on the composition, abundance and vertical distribution of the thaliacean fauna in the Levantine basin obtained from stratified tows at three deep-sea sites in 1993: SE off Crete, a...

    Authors: Horst Weikert and Jean E. A. Godeaux
    Citation: Helgoland Marine Research 2008 62:126
    Content type: Original Article Published on:

  21. Since the late 1990s, the Pacific oyster (Crassostrea gigas) has spread into the East Frisian Wadden Sea (Germany). This invasion provided an opportunity to study the population dynamics and the patterns of sprea...

    Authors: Andreas Schmidt, Achim Wehrmann and Sabine Dittmann
    Citation: Helgoland Marine Research 2008 62:125
    Content type: Original Article Published on:

  23. The thalassinidean shrimp Callichirus seilacheri is a common species in the intertidal zone of the South American Pacific coast. However, our knowledge of its reproductive ecology is rather limited. The present s...

    Authors: Patricio Hernáez, Sergio Palma and Ingo S. Wehrtmann
    Citation: Helgoland Marine Research 2008 62:122
    Content type: Original Article Published on:

  24. Aspects of the reproductive and maturation biology of the brown shrimp Crangon crangon (L.) were studied in various subareas of the German Bight (North Sea). The size-specific sex ratio of C. crangon was examined...

    Authors: V. Siegel, U. Damm and T. Neudecker
    Citation: Helgoland Marine Research 2008 62:121
    Content type: Original Article Published on:

  25. We studied the ultrastructure of spermatogenesis and spermatozoa in the northern quahaug, the clam Mercenaria mercenaria. Spermatogenetic cells gradually elongate. Mitochondria gradually fuse and increase in size...

    Authors: Xue-Ping Ying, Wan-Xi Yang, Hans-U. Dahms, Zhihua Lin and Xueliang Chai
    Citation: Helgoland Marine Research 2008 62:119
    Content type: Original Article Published on:

  26. The diet of jumbo squid (Dosidicus gigas) off southern-central Chile is described to examine potential biases in the determination of their main prey. Specimens were collected from catches using different fishing...

    Authors: Christian M. Ibáñez, Hugo Arancibia and Luis A. Cubillos
    Citation: Helgoland Marine Research 2008 62:120
    Content type: Original Article Published on:

  27. Population dynamics and zonation of the amphipods Bathyporeia pilosa and B. sarsi, co-occurring on some beaches, were studied through monthly sampling of eight cross-shore transects along ...

    Authors: Jeroen Speybroeck, Joke Van Tomme, Magda Vincx and Steven Degraer
    Citation: Helgoland Marine Research 2008 62:114
    Content type: Original Article Published on:

  28. Assessing patterns of species distribution and abundance is important to understand the driving processes of, and predict future changes in, biodiversity. To this date, ecological studies have been mainly desi...

    Authors: Susanne Wollgast, Mark Lenz, Martin Wahl and Markus Molis
    Citation: Helgoland Marine Research 2008 62:118
    Content type: Original Article Published on:

  30. Along the German North Sea coast, the observed high spatial competition of stakeholders has encouraged the idea of integrating open ocean aquaculture in conjunction with offshore wind farms beyond the 12 miles...

    Authors: B. H. Buck, G. Krause, T. Michler-Cieluch, M. Brenner, C. M. Buchholz, J. A. Busch, R. Fisch, M. Geisen and O. Zielinski
    Citation: Helgoland Marine Research 2008 62:115
    Content type: Original Article Published on:

  32. Peracarid crustaceans inhabit many marine benthic habitats and are good indicators of environmental conditions. There is, however, a lack of information about diversity and distribution of peracarid crustacean...

    Authors: Antía Lourido, Juan Moreira and Jesús S. Troncoso
    Citation: Helgoland Marine Research 2008 62:116
    Content type: Original Article Published on:

  33. Changes in fatty acid patterns, digestive and metabolic enzyme activities and egg production rates (EPR) were studied in the small calanoid copepod Temora longicornis. Female copepods were collected in spring 200...

    Authors: Tobias Kreibich, Reinhard Saborowski, Wilhelm Hagen and Barbara Niehoff
    Citation: Helgoland Marine Research 2008 62:112
    Content type: Original Article Published on:

  34. The diel and seasonal variation of molluscs living in a Zostera marina bed (12–14 m depth) from southern Spain have been studied for one year using a small Agassiz trawl for collecting the samples (222 m2). The f...

    Authors: Jose L. Rueda, Javier Urra and Carmen Salas
    Citation: Helgoland Marine Research 2008 62:111
    Content type: Original Article Published on:

  35. Heterotrophic marine bacteria utilise a wide range of carbon sources. Recently, techniques were developed to link bacterial identity and physiological capacity of microorganisms within natural communities. One...

    Authors: Melanie Sapp, Gunnar Gerdts, Marco Wellinger and Antje Wichels
    Citation: Helgoland Marine Research 2008 62:110
    Content type: Short Communication Published on:

  36. Benthic epifauna was sampled in six areas from the German Bight towards the Norwegian Sea using a 2-m standard beam trawl. Nine replicates were taken in each area and year from 1999 to 2006. This data set (60–...

    Authors: Hermann Neumann, Siegfried Ehrich and Ingrid Kröncke
    Citation: Helgoland Marine Research 2008 62:109
    Content type: Original Article Published on:

  37. Samples of soft-sediment macrobenthos from 92 sites between 10 and 50 m depth were used to assess (1) the main soft-bottom macrofauna communities in the Gulf of Lions, (2) the different components of the diver...

    Authors: Céline Labrune, Antoine Grémare, Jean-Michel Amouroux, Rafael Sardá, João Gil and Sergi Taboada
    Citation: Helgoland Marine Research 2008 62:108
    Content type: Original Article Published on:

  38. The community structure of caprellids inhabiting two species of seagrass (Cymodocea nodosa and Zostera marina) was investigated on the Andalusian coast, southern Spain, using uni and multivariate analyses. Three ...

    Authors: A. R. González, J. M. Guerra-García, M. J. Maestre, A. Ruiz-Tabares, F. Espinosa, I. Gordillo, J. E. Sánchez-Moyano and J. C. García-Gómez
    Citation: Helgoland Marine Research 2008 62:107
    Content type: Original Article Published on:

  39. Field surveys (dating back to 1950) and aerial photograph series (dating back to 1966) were evaluated to determine sites of intertidal blue mussel (Mytilus edulis) beds at the Wadden Sea coast of Lower Saxony. Ma...

    Authors: Marc Herlyn, Gerald Millat and Birgit Petersen
    Citation: Helgoland Marine Research 2008 62:106
    Content type: Original Article Published on:

  40. During a combined research project at several stations along the Lower Saxony coast (German North Sea) antifouling biocides were analysed in water, sediment and biota. Pathological alterations in blue mussel, ...

    Authors: Burkard Watermann, Anja Thomsen, Heike Kolodzey, Bernd Daehne, Maike Meemken, Ute Pijanowska and Gert Liebezeit
    Citation: Helgoland Marine Research 2008 62:105
    Content type: Original Article Published on:

  42. The comparison of temperature responses of two mytilids from the high (Brachidontes purpuratus) and low (Semimytilus algosus) intertidal zone of the Peruvian coast was carried out focusing on the production of mi...

    Authors: Giovanna Sotil, Juan Tarazona, Rafael Alvis, Juan C. Francia and Betty Shiga
    Citation: Helgoland Marine Research 2008 62(Suppl 1):100
    Content type: Short Communication Published on:

    This article is part of a Supplement: Volume 62 Supplement 1

  43. The East China Sea is characterized by a complex hydrographic regime and high biological productivity and diversity. This environmental setting in particular challenged a case study on the use of mesozooplankt...

    Authors: Li-Chun Tseng, Sami Souissi, Hans-Uwe Dahms, Qing-Chao Chen and Jiang-Shiou Hwang
    Citation: Helgoland Marine Research 2008 62:101
    Content type: Original Article Published on:

  44. Wadden Sea tidal flats are highly dynamic regarding the spatial distribution and the grain size composition of their sediments. From 2003 to 2006 surface sediments have been surveyed in an intertidal and a sub...

    Authors: Tobias Dolch and H. Christian Hass
    Citation: Helgoland Marine Research 2007 62:90
    Content type: Original Paper Published on:

  45. Aerial surveys on seagrass (Zostera spp.) indicate a three to fourfold increase in bed area from 1994 to 2006 with up to 100 km2 or 11% of intertidal flats in the Northfrisian Wadden Sea (coastal eastern North Se...

    Authors: Karsten Reise and Jörn Kohlus
    Citation: Helgoland Marine Research 2007 62:88
    Content type: Original Paper Published on:

  46. During the Spanish Antarctic expeditions “Bentart” 1994, 1995 and 2003, a number of trichobranchid (Annelida: Polychaeta) specimens were collected and identified initially as Terebellides stroemii kerguelensis Mc...

    Authors: Julio Parapar and Juan Moreira
    Citation: Helgoland Marine Research 2007 62:85
    Content type: Original Article Published on:

  47. The complete larval development (four zoeae and one megalopa) of Clibanarius aequabilis and C. erythropus, reared under laboratory conditions, is described and illustrated. The larval stages of the two northeaste...

    Authors: Cátia Bartilotti, Ricardo Calado and Antonina dos Santos
    Citation: Helgoland Marine Research 2007 62:79
    Content type: Original Article Published on:

  48. Marine, pelagic prokaryotes commonly are visualized and enumerated by epifluorescence microscopy after staining with fluorescent, DNA-binding dyes and sample preparation and storage has a major influence on ob...

    Authors: Christine Beardsley, Shaun M. Moss and Farooq Azam
    Citation: Helgoland Marine Research 2007 62:80
    Content type: Original Article Published on:

  49. Studies of Marenzelleria species were often hampered by identification uncertainties when using morphological characters only. A newly developed PCR/RFLP protocol allows a more efficient discrimination of the thr...

    Authors: M. Blank, A. O. Laine, K. Jürss and R. Bastrop
    Citation: Helgoland Marine Research 2007 62:81
    Content type: Original Article Published on:

  50. The semiterrestrial crab Neohelice (=Chasmagnathus) granulata (Dana 1851) is a predominant species in brackish salt marshes, mangroves and estuaries. Its larvae are exported towards coastal marine waters. In orde...

    Authors: Klaus Anger, Eduardo Spivak, Tomás Luppi, Claudia Bas and Deborah Ismael
    Citation: Helgoland Marine Research 2007 62:76
    Content type: Original Article Published on:
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