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  1. Content type: Short Communication

    Sea urchin grazing rates can strongly impact kelp bed persistence. Elevated water temperature associated with climate change may increase grazing rates; however, these effects may interact with local stressors...

    Authors: Sarah B. Traiger

    Citation: Helgoland Marine Research 2019 73:5

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  2. Content type: Original Article

    Despite the availability of well-documented data, a comprehensive review of the discovery progress of polychaete worms (Annelida) has never been done. In the present study, we reviewed available data in the Wo...

    Authors: Joko Pamungkas, Christopher J. Glasby, Geoffrey B. Read, Simon P. Wilson and Mark J. Costello

    Citation: Helgoland Marine Research 2019 73:4

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  3. Content type: Original Article

    During 2015–2016, a strong El Niño, the “Godzilla El Niño,” which is similar to El Niño events that occurred in 1982/1983 and 1997/1998, occurred in the Pacific Ocean. In this paper, we report on the influence...

    Authors: Erik Coria-Monter, David Alberto Salas de León, María Adela Monreal-Gómez and Elizabeth Durán-Campos

    Citation: Helgoland Marine Research 2019 73:3

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  4. Content type: Original Article

    Diatoms are thought to provide about 40% of total global photosynthesis and diatoms of the genus Coscinodiscus are an important, sometimes dominant, cosmopolitan component of the marine diatom community. The oomy...

    Authors: Anthony Buaya, Alexandra Kraberg and Marco Thines

    Citation: Helgoland Marine Research 2019 73:2

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  5. Content type: Original Article

    Fish harbor a high diversity of parasites that play an important role for the ecosystem. Because these parasites have different life-cycle traits, changes in their populations or communities may provide useful...

    Authors: Francisco N. Morales-Serna, María A. Rodríguez-Santiago, Rolando Gelabert and Luz M. Flores-Morales

    Citation: Helgoland Marine Research 2019 73:1

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  6. Content type: Original Article

    The sea hare Bursatella leachii (de Blainville 1817) (Mollusca: Gastropoda: Heterobranchia: Aplysiidae) is a pantropical sea slug that has colonized the Mediterranean Sea in modern times. Because the initial reco...

    Authors: Enrico Bazzicalupo, Fabio Crocetta, Ka‘ala Estores-Pacheco, Haleh Golestani, Hocein Bazairi, Salvatore Giacobbe, Andrej Jaklin, Dimitris Poursanidis, B. K. Sneha Chandran, Juan Lucas Cervera and Ángel Valdés

    Citation: Helgoland Marine Research 2018 72:19

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  7. Content type: Original Article

    Most of our planet’s biodiversity is still unknown, particularly in the sea. Although around the island of Sylt in the North Sea, the small zoobenthos (meiofauna) has been studied intensively since the 1950s, ...

    Authors: Werner Armonies

    Citation: Helgoland Marine Research 2018 72:18

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  8. Content type: Original Article

    Marine organism adaptive capacity to different environmental conditions is a research priority to understand what conditions are important in structuring the spatial distribution of natural populations. In thi...

    Authors: Jesús Darío Nuñez, Pedro Fernández Iriarte, Emiliano Hernán Ocampo, Enrique Madrid and Maximiliano Cledón

    Citation: Helgoland Marine Research 2018 72:16

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  9. Content type: Original Article

    The introduction of non-indigenous species (NIS) in new environments represents a major threat for coastal ecosystems. A good understanding of the mechanisms and magnitude of the impact of NIS colonisation on ...

    Authors: Léa Riera, Patrício Ramalhosa, João Canning-Clode and Ignacio Gestoso

    Citation: Helgoland Marine Research 2018 72:15

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  10. Content type: Original Article

    The sudden appearance and disappearance of nudibranchs in intertidal areas have puzzled researchers all over the world, giving rise to a great diversity of theories to explain it. Here we conducted a five-year...

    Authors: Ricardo Cyrne, Inês C. Rosa, Filipa Faleiro, Gisela Dionísio, Miguel Baptista, Ana Couto, Marta Pola and Rui Rosa

    Citation: Helgoland Marine Research 2018 72:14

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  11. Content type: Original Article

    Marine invasions are of increasing concern for biodiversity conservation worldwide. Gelatinous macrozooplankton contain members, which have become globally invasive, for example the ctenophore Mnemiopsis leidyi o...

    Authors: Cornelia Jaspers, Bastian Huwer, Nancy Weiland-Bräuer and Catriona Clemmesen

    Citation: Helgoland Marine Research 2018 72:13

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  12. Content type: Original Article

    Epibenthic and benthopelagic medusae are rarely collected by standard benthic or pelagic sampling methods, and many species are considered uncommon and geographically restricted. Peer-reviewed scientific liter...

    Authors: Luis Martell, Anne Helene S. Tandberg and Aino Hosia

    Citation: Helgoland Marine Research 2018 72:12

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  13. Content type: Original Article

    Based on the past 150 years of research and ongoing time-series observations we give a comprehensive overview of marine species composition around the island of Sylt in the eastern North Sea. A total of 2758 s...

    Authors: Werner Armonies, Harald Asmus, Christian Buschbaum, Dagmar Lackschewitz, Karsten Reise and Johannes Rick

    Citation: Helgoland Marine Research 2018 72:11

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  14. Content type: Original Article

    Mussel attachment strength varies in space and time, frequently in association with variations in wave exposure. Yet, it remains uninvestigated whether different rock types can contribute to variation in musse...

    Authors: Jorge L. Gutiérrez, María Bagur, Lorena P. Arribas and M. Gabriela Palomo

    Citation: Helgoland Marine Research 2018 72:10

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  15. Content type: Original Article

    According to recent reports, shell morphology is unreliable for the identification of oysters because of the high phenotypic plasticity of these bivalves. Using COI DNA barcoding and sperm morphology, we reinv...

    Authors: Arkadiy Reunov, Evgenia Vekhova, Evgeny Zakharov, Yulia Reunova, Yana Alexandrova, Svetlana Sharina and Andrey Adrianov

    Citation: Helgoland Marine Research 2018 72:8

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  16. Content type: Short Communication

    Many fish species have behavioral traits related to reproduction that aim to improve egg conditions and survival of early life stages. Here, we provide the first detailed description of reproductive strategies...

    Authors: José Amorim Reis-Filho and Antoine O. H. C. Leduc

    Citation: Helgoland Marine Research 2018 72:7

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  17. Content type: Original Article

    The South African coastline can be divided into at least four temperature-defined marine bioregions, including the tropical north-east coast, the subtropical east coast, the warm-temperate south coast, and the...

    Authors: Candice M. Jooste, Jody Oliver, Arsalan Emami-Khoyi and Peter R. Teske

    Citation: Helgoland Marine Research 2018 72:6

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  18. Content type: Original Article

    The present compilation is the first attempt to generate a comprehensive list of all macrozoobenthic species recorded at least once in the German regions of the North Sea and Baltic Sea including non-indigenou...

    Authors: Michael L. Zettler, Jan Beermann, Jennifer Dannheim, Brigitte Ebbe, Michael Grotjahn, Carmen-Pia Günther, Manuela Gusky, Britta Kind, Ingrid Kröncke, Ralph Kuhlenkamp, Claus Orendt, Eike Rachor, Anja Schanz, Alexander Schröder, Lisa Schüler and Jan Witt

    Citation: Helgoland Marine Research 2018 72:5

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  19. Content type: Original Article

    Recruitment patterns of sessile species often do not reflect the composition of the local propagule pool. This is, among other processes, attributed to the stimulation or inhibition of settlement by resident s...

    Authors: I. Krüger, M. Lenz and M. Thiel

    Citation: Helgoland Marine Research 2018 72:4

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  20. Content type: Original Article

    The brooding gastropod Crepipatella dilatata can feed by scraping the substrate with the radula and by suspension-feeding, which also requires use of the radula. There is a “division of labour” for the radula amo...

    Authors: O. R. Chaparro, J. A. Montory, C. J. Segura, V. M. Cubillos, L. P. Salas-Yanquin and R. J. Thompson

    Citation: Helgoland Marine Research 2018 72:3

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  21. Content type: Original Article

    In a nuclear-follower fish foraging association, the follower benefits from food uncovered or flushed out when the nuclear fish disturbs the bottom, while nuclear species generally do not seem to be benefiting...

    Authors: Maria L. F. Ternes, Vinicius J. Giglio, Thiago C. Mendes and Pedro H. C. Pereira

    Citation: Helgoland Marine Research 2018 72:2

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  22. Content type: Original Article

    Understanding the patterns of displacement and site fidelity in blue land crabs (Cardisoma guanhumi Latreille, 1825) has important implications for their conservation and management. The central objective of this...

    Authors: Denise Moraes-Costa and Ralf Schwamborn

    Citation: Helgoland Marine Research 2018 72:1

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  23. Content type: Original Article

    To understand the activity of marine viruses, experiments on viral production, viral decay and the percentage of lytic and lysogenic bacterial cells among the total number of bacterial cells were carried out s...

    Authors: Marin Ordulj, Nada Krstulović, Danijela Šantić, Slaven Jozić and Mladen Šolić

    Citation: Helgoland Marine Research 2017 71:22

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  24. Content type: Original Article

    Some benthic assemblages studies have tested the effects of different preservation procedures on biomass, but their influence on quantitative patterns (number of species and abundance) is still unclear. We eva...

    Authors: Gabriel Barros Gonçalves de Souza and Francisco Barros

    Citation: Helgoland Marine Research 2017 71:21

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  25. Content type: Original Article

    This study provides an updated catalogue of non-indigenous species (NIS) of polychaetes reported from the continental coasts of the Iberian Peninsula based on the available literature. A list of 23 introduced ...

    Authors: E. López and A. Richter

    Citation: Helgoland Marine Research 2017 71:19

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  26. Content type: Original Article

    We followed the dynamics of the population of the bivalve Limecola (Macoma) balthica in the westernmost part of the Wadden Sea by monitoring for 44 years (1973–2016) its numbers and age composition at 15 sites in...

    Authors: J. J. Beukema, R. Dekker and J. Drent

    Citation: Helgoland Marine Research 2017 71:18

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  27. Content type: Original Article

    In symbiotic crustaceans, host-use patterns vary broadly. Some species inhabit host individuals solitarily, other species live in heterosexual pairs, and even other species live in aggregations. This disparity...

    Authors: J. Antonio Baeza, Samara de Paiva Barros-Alves, Rudá Amorim Lucena, Silvio Felipe Barbosa Lima and Douglas Fernandes Rodrigues Alves

    Citation: Helgoland Marine Research 2017 71:17

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  28. Content type: Original Article

    The species richness and community composition of the diatom communities were studied in the Baltic Sea, Northern Europe, to enhance knowledge about the diversity of these organisms in a brackish water ecosyst...

    Authors: Leena Virta and Janne Soininen

    Citation: Helgoland Marine Research 2017 71:16

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  29. Content type: Original Article

    The rhodophytes Mastocarpus stellatus and Chondrus crispus occupy the lower intertidal zone of rocky shores along North Atlantic coastlines, with C. crispus generally occurring slightly deeper. Consequently, M. s...

    Authors: Kristina Koch, Wilhelm Hagen, Martin Graeve and Kai Bischof

    Citation: Helgoland Marine Research 2017 71:15

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  30. Content type: Original Article

    The ultrastructure of the ovary during development and yolk production is poorly known in Brachyura and Majoidea in particular. Here, we describe the histology, histochemistry and ultrastructure of the adult o...

    Authors: Michelle Mollemberg, Fernando José Zara and William Santana

    Citation: Helgoland Marine Research 2017 71:14

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  31. Content type: Original Article

    Atlantic Canada’s American oyster (Crassostrea virginica) beds, while economically and ecologically important, have been in decline over the past few decades. Predation by crabs, in particular by the European gr...

    Authors: Luke A. Poirier, Lynn A. Symington, Jeffrey Davidson, Sophie St-Hilaire and Pedro A. Quijón

    Citation: Helgoland Marine Research 2017 71:13

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  32. Content type: Original Article

    The lipid reserves and occurrence of the cold-stenothermic, omnivorous copepod Limnocalanus macrurus were studied in the Bothnian Sea (northern Baltic Sea) during spring and summer 2013–2014 with a special emphas...

    Authors: K. Mäkinen, M. Elfving, J. Hänninen, L. Laaksonen, M. Rajasilta, I. Vuorinen and J.-P. Suomela

    Citation: Helgoland Marine Research 2017 71:11

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  33. Content type: Original Article

    Eggcases of eight rajiform skates (Dipturus nidarosiensis, D. oxyrinchus, Leucoraja melitensis, Raja asterias, R. brachyura, R. clavata, R. miraletus and R. polystigma) present in the central-western Mediterranea...

    Authors: Cristina Porcu, Martina F. Marongiu, Andrea Bellodi, Rita Cannas, Alessandro Cau, Riccardo Melis, Antonello Mulas, Giuditta Soldovilla, Laura Vacca and Maria C. Follesa

    Citation: Helgoland Marine Research 2017 71:10

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  34. Content type: Original Article

    The growth and reproductive biology of the limpet Patella aspera were studied in the north-eastern Atlantic, Madeira archipelago, to enhance the knowledge concerning biological parameters and population dynamics ...

    Authors: Ricardo Sousa, João Delgado, Ana Rita Pinto and Paulo Henriques

    Citation: Helgoland Marine Research 2017 71:8

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  35. Content type: Original Article

    Age of fish at maturation depends on the species and environmental factors but, in general, investment in growth is prioritized until the first sexual maturity, after which a considerable and increasing propor...

    Authors: Timo Arula, Heli Shpilev, Tiit Raid, Markus Vetemaa and Anu Albert

    Citation: Helgoland Marine Research 2017 71:7

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  36. Content type: Short Communication

    Southern right whales (Eubalaena australis) are known to host three species of whale-lice, Cyamus gracilis, Cyamus ovalis and Cyamus erraticus. Such cyamids usually are generalists in toothed whales (Cetacea: Odo...

    Authors: Tammy Iwasa-Arai, Salvatore Siciliano, Cristiana S. Serejo and Ghennie T. Rodríguez-Rey

    Citation: Helgoland Marine Research 2017 71:6

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  37. Content type: Original Article

    The use of probiotics is a common practice of current shrimp aquaculture. Despite the immunophysiological responses that have been measured in shrimp exposed to probiotics, no information is currently availabl...

    Authors: Francisco Vargas-Albores, Marco A. Porchas-Cornejo, Marcel Martínez-Porchas, Enrique Villalpando-Canchola, Teresa Gollas-Galván and Luis R. Martínez-Córdova

    Citation: Helgoland Marine Research 2017 71:5

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  38. Content type: Original Article

    Sprat (Sprattus sprattus) and small herring (Clupea harengus) are the dominant prey fish of Atlantic salmon (Salmo salar) in the Baltic Sea. If the fatty acid (FA) proportions of sprat and herring differ, the die...

    Authors: Marja Keinänen, Reijo Käkelä, Tiina Ritvanen, Timo Myllylä, Jukka Pönni and Pekka J. Vuorinen

    Citation: Helgoland Marine Research 2017 71:4

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  39. Content type: Short Communication

    Intertidal corals have been under-studied yet they provide scope for understanding adaptation and acclimatisation of corals to marginal conditions. Corals in intertidal rock pools along the east coast of South...

    Authors: Kaylee Smit and David Glassom

    Citation: Helgoland Marine Research 2017 71:3

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  40. Content type: Review

    Standardised sampling methods are required to meet the Convention on Biological Diversity Aichi Targets to monitor trends in biodiversity. Currently the animals monitored in the marine environment are predomin...

    Authors: Laura E. McLeod and Mark J. Costello

    Citation: Helgoland Marine Research 2017 71:2

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  41. Content type: Original Article

    An undescribed species of tanaidacean belonging to the genus Hexapleomera, tribe Pancolini, Hexapleomera bultidactyla sp. nov. was found in fouling community samples from off-coast fish farms cages in the western...

    Authors: P. Esquete and V. Fernandez-Gonzalez

    Citation: Helgoland Marine Research 2016 70:27

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  42. Content type: Original Article

    Sacculina carcini is member of a highly-specialized group of parasitic cirripeds (Rhizocephala) that use crabs (Carcinus maenas) as hosts to carry out the reproductive phase of their life...

    Authors: Fabien Trédez, Nicolas Rabet, Laure Bellec and Fabienne Audebert

    Citation: Helgoland Marine Research 2016 70:26

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  43. Content type: Original Article

    It has been suggested that non-native species are more tolerant towards abiotic stress than ecologically comparable native species. Furthermore, non-native marine macroalgae should be under lower grazing press...

    Authors: Patrício Ramalhosa, Sarah-Lena Debus, Manfred Kaufmann and Mark Lenz

    Citation: Helgoland Marine Research 2016 70:25

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  44. Content type: Original Article

    Kinorhynchs are marine, microscopic ecdysozoan animals that are found throughout the world’s ocean. Cephalorhyncha flosculosa sp. nov. is described from the Aegean Coast of Turkey. Samples were collected from int...

    Authors: Nuran Özlem Yıldız, Martin Vinther Sørensen and Süphan Karaytuğ

    Citation: Helgoland Marine Research 2016 70:24

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