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Methods to study organogenesis in decapod crustacean larvae. I. larval rearing, preparation, and fixation

期刊: HELGOLAND MARINE RESEARCH, 2021; 75 (1)

Crustacean larvae have served as distinguished models in the field of Ecological Developmental Biology ("EcoDevo") for many decades, a discipline that......

Benthic community establishment on different concrete mixtures introduced to a German deep-water port

期刊: HELGOLAND MARINE RESEARCH, 2021; 75 (1)

Concrete is a widely used building material in coastal constructions worldwide. However, limited natural resources used in the production process, as ......

An example for transatlantic hitchhiking by macrozoobenthic organisms with a research vessel

期刊: HELGOLAND MARINE RESEARCH, 2021; 75 (1)

In 2019 the RV Meteor cruised from Guadalupe in April/May to Cape Verde in June/July and to Namibia in August/September. The distance is about 10,000 ......

Methods to study organogenesis in decapod crustacean larvae II: analysing cells and tissues

期刊: HELGOLAND MARINE RESEARCH, 2021; 75 (1)

Cells and tissues form the bewildering diversity of crustacean larval organ systems which are necessary for these organisms to autonomously survive in......

Macrofaunal assemblages associated with two common seagrass-dwelling demosponges (Amorphinopsis atlantica and Haliclona implexiformis) in a tropical estuarine system of the southern Gulf of Mexico

期刊: HELGOLAND MARINE RESEARCH, 2021; 75 (1)

Among the ecological roles that sponges play in marine ecosystems, one of the highlights is their ability to host a wide diversity and abundance of ep......

Age and growth of Glycymeris longior (Sowerby, 1832) clam at the southern edge of its distribution (Argentine Sea)

期刊: HELGOLAND MARINE RESEARCH, 2020; 74 (1)

Even though Glycymeris longior is a clam widely distributed in the SW Atlantic Ocean, little is known about its biology and life history. The present ......

Analysing long-term change in small benthos: geomorphological dynamics affects method selection

期刊: HELGOLAND MARINE RESEARCH, 2020; 74 (1)

In the tidal inlets of the northern Wadden Sea, species composition of selected taxa of the small benthos is compared to a study performed some 35 yea......

Combined effects of ocean acidification and hypoxia on the early development of the thick shell mussel Mytilus coruscus

期刊: HELGOLAND MARINE RESEARCH, 2020; 74 (1)

Ocean acidification has become serious, and seawater hypoxia has become evident in acidified waters. The combination of such stressors may have intera......

Antifouling and antibacterial activities of bioactive extracts from different organs of the sea cucumber Holothuria leucospilota

期刊: HELGOLAND MARINE RESEARCH, 2020; 74 (1)

In this study, antifouling and antibacterial properties of polar, semi polar and non-polar bioactive compounds derived from the sea cucumber Holothuri......

Timing of the reproductive cycle of waved whelk, Buccinum undatum, on the US Mid-Atlantic Bight

期刊: HELGOLAND MARINE RESEARCH, 2020; 74 (1)

Development of the unmanaged waved whelk (Buccinum undatum) fishery on the Mid-Atlantic continental shelf of the United States has initiated investiga......

Diversity of mangrove root-dwelling sponges in a tropical coastal ecosystem in the southern Gulf of Mexico region

期刊: HELGOLAND MARINE RESEARCH, 2020; 74 (1)

Sponges are one of the most conspicuous groups of epibionts in mangrove prop root habitats. However, with the exception of the Caribbean and the Indo-......

Reproduction of the endangered endemic saffron coral to the Gulf of California Porites sverdrupi (Anthozoa: Scleractinia): implications for its long-term maintenance

期刊: HELGOLAND MARINE RESEARCH, 2020; 74 (1)

The biology of the scleractinian Porites sverdrupi, endemic to the Gulf of California, is poorly studied. In order to fill that gap, the present study......

Micro- and mesozooplankton at the edges of coastal tropical reefs (Tamandare, Brazil)

期刊: HELGOLAND MARINE RESEARCH, 2020; 74 (1)

Tropical reef ecosystems are generally considered to be sinks of marine zooplankton, mainly due to the predation by scleractinian corals and other pla......

Giant planktic larvae of anomalan crustaceans and their unusual compound eyes

期刊: HELGOLAND MARINE RESEARCH, 2020; 74 (1)

Crustacean larvae are usually recognised as small organisms, below one millimeter body size. However, in different crustacean groups such as Stomatopo......

A cross-genus comparison of grazing pressure by two native marine herbivores on native, non-native naturalized, and non-native invasiveSargassummacroalgae

期刊: HELGOLAND MARINE RESEARCH, 2020; 74 (1)

In marine systems, algal abundance and community composition is often heavily influenced by top-down control by herbivores. As a result, examining the......

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