Differences in resource utilization and behaviour between coexisting Jassa species (Crustacea, Amphipoda)

Beermann, Jan; Franke, Heinz-Dieter

doi:10.1007/s00227-011-1872-7

Cited by 26 publications

(21 citation statements)

References 28 publications

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“…The high total carbon assimilation by J. herdmani (83.8% of all carbon assimilated by colonizing fauna) reflects its high abundance in the experimental tanks and its opportunistic feeding behaviour, since this species has been reported to feed on any resource that is in suspension, such as Ulva thalli, Artemia nauplii (Beermann and Franke, 2012), smaller sympatric amphipods (Armsby and Tisch, 2006) and zooplankton (Mavraki et al, 2020b).…”

Section: Discussionmentioning

confidence: 99%

“…25 m, coordinates: 51 54.08 0 N-2 91.68 0 E) in the Belgian part of the North Sea. The distance between the tripod and the turbines was $500 m. The panels were roughened on one side to facilitate colonization (Beermann and Franke, 2012). The panels remained in the water for 1 year in order to be fully colonized by colonizing organisms and were recovered in April 2018.…”

Section: Organism Collectionmentioning

confidence: 99%

“…At least five individuals per species per PVC panel were isolated whenever possible, kept overnight in filtered seawater for gut evacuation, and stored in À20 C until further analysis (see Laboratory analysis). Only females and non-thumbed males were collected for the species J. herdmani, since the thumbed males do not feed extensively (Beermann and Franke, 2012). The remaining organisms were kept in a formaldehyde-seawater solution (8%) for species identification, counting and biomass measurements.…”

Section: Experimental Set-upmentioning

confidence: 99%

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Organic matter assimilation by hard substrate fauna in an offshore wind farm area: a pulse-chase study

Mavraki

Degraer

Vanaverbeke

et al. 2020

ICES Journal of Marine Science

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The installation of offshore wind farms (OWFs) adds artificial hard substrates into naturally soft-bottom areas, changing the local biodiversity. The turbine foundations are rapidly colonized by colonizing organisms, mainly consisting of suspension feeders that can potentially reduce the local primary producer standing stock. In this study, we estimated the amount of organic matter processed by colonizing assemblages of OWFs. We conducted a laboratory pulse-chase experiment, by offering 13C-labelled fragmented microalgae to PVC panels colonized by OWF colonizing fauna. The blue mussel Mytilus edulis showed the highest biomass-specific carbon assimilation, while the high densities of the amphipod Jassa herdmani resulted in the highest total carbon assimilation. By upscaling our results to the total number of the installed offshore wind turbines in the Belgian part of the North Sea, we estimate that these species can reduce the local primary producer standing stock in the area by ca. 1.3%. Mytilus edulis and J. herdmani communities colonizing offshore wind turbine foundations significantly increase carbon assimilation compared to natural soft sediment macrofauna inhabiting the same surface area (i.e. footprint of the turbines).

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Section: Discussionmentioning

confidence: 99%

Section: Organism Collectionmentioning

confidence: 99%

Section: Experimental Set-upmentioning

confidence: 99%

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Organic matter assimilation by hard substrate fauna in an offshore wind farm area: a pulse-chase study

Mavraki

Degraer

Vanaverbeke

et al. 2020

ICES Journal of Marine Science

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“…Over 300 papers focussing on or peripherally encountering Jassa have been published since the taxonomic revision by Conlan (1989Conlan ( , 1990. Jassa can be widely encountered and experimented with in the laboratory or in the field (Borowsky 1985;Clancy 1997;Clark 1997;Tisch 1997;Clark & Caudill 2001;Kurdziel & Knowles 2002;Karez & Ludynia 2003;Armsby & Tisch 2006;Havermans et al 2007;Beermann & Franke 2012;Beermann & Boos 2015). It is an economically important group because of its fouling ability (Dixon & Moore 1997;Bunker 2004;Moshchenko & Zvyagintsev 2004Beermann & Franke 2011;Bloecher et al 2013;Krone et al 2013;Fernandez-Gonzalez et al 2014), it can transmit parasites to native and cultivated fish (Yasumoto & Nagasawa 1996;Laskowski & Zdzitowiecki 2017), it can inhibit, overgrow, displace and prey on other species (Sebens 1985;Franz & Mohamed 1989;Zintzen et al 2006Zintzen et al , 2008Kerckhof et al 2010 a, b;Duchêne 2012;Suwandy 2012;Beermann 2014;Valentine et al 2016), and it is able to be transported and successfully introduced as an exotic (Inglis et al 2006a(Inglis et al ,b, c, 2008, where it can impact native species (Suwandy 2012).…”

Section: Introductionmentioning

confidence: 99%

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2021

Zootaxa

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The amphipod genus Jassa Leach, 1814 now comprises 24 species that occur in temperate regions of both hemispheres on solid substrates from the lower intertidal zone to 500 m depth. The propensity for some species to form dense colonies in water intake structures and offshore platforms has brought them to attention as an unwanted pest. Based on the examination of ~25,000 specimens from ~1,100 museum and private collections, it is evident that some species of Jassa have been transported by human vectors since at least the 19 th century and now occur widely. Their colonial, tube-living habit enables such transport, and collection records document them on ships, buoys and portable water systems as well as on natural movable substrates such as logs, drift algae and larger crustaceans. Because Jassa can be so readily found, but species discrimination has had a problematic history, the purpose of this monograph is to assist researchers to identify species through illustrations, descriptions, keys and habitat summaries. Seven species which were named in the 19 th century but CONLAN ET AL.

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“…J. marmorata was predominantly found inhabiting R. riparium; a filamentous green alga. Unlike the more widespread Jassa falcata, recorded at greater depths in the benthic community, J. marmorata tends to dominate in exposed, upper surface locations (Beermann & Franke, 2012;Beermann, 2014). Adult J. marmorata are larger in size and more rapidly reproduce than J. falcata, which could account for the absence of J. falcata on the AFI (Purz & Beermann, 2013;Beermann, 2014).…”

Section: The Prince Of Wales Dockmentioning

confidence: 99%

An Assessment of Artificial Floating Islands as a Method of Habitat Creation in Marine Environments

Jessica¹

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Most megacities are located adjacent to the coast due to the continuous seaward migration of human populations; a process referred to as marine urban sprawl. The subsequent hardening of the natural coastline has caused the loss and degradation of coastal habitats. In order to halt, mitigate and compensate for further losses of biodiversity, it is important that habitat restoration techniques with involve ecological engineering are considered. Artificial floating islands (AFIs) are a habitat creation method used to improve water quality and support biodiversity in aquatic environments. This study aimed to assess the installation of AFIs as a restoration tool in heavily modified coastal water bodies. That included investigating: the suitability of halophytes for transplantation into the AFI matrix; the biofouling communities that establish on the AFIs; the abundance, species richness and behaviour of fish in association with AFIs; the density and behaviour of birds in association with the AFIs; and the public perception of current environmental concerns and therefore, opinion on AFIs as an ecological engineering method. Based on the results of this study sea purslane (Halimione portulacoides) would be recommended for transplantation on AFIs installed in saline environments. The invertebrate community assemblages were notably controlled by the primary settlement of blue mussel (Mytilus edulis) and Australian tubeworm (Ficopomatus enigmaticus). Juvenile phase European sea bass (Dicentrarchus labrax) and gull (Laridae) spp. foraged on the benthic invertebrates that fouled the AFIs underside and European eel (Anguilla Anguilla) rested in the matrix. The public supported the use of AFIs in coastal environments but concerns regarding maintenance and degradation were raised. In conclusion, this study highlighted the importance of AFI size, structure, location and vegetation cover as these factors influence the species composition, degree of isolation and environmental exposure, contributing to the overall success of AFI deployments in heavily modified coastal water bodies.

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Differences in resource utilization and behaviour between coexisting Jassa species (Crustacea, Amphipoda)

Cited by 26 publications

References 28 publications

Organic matter assimilation by hard substrate fauna in an offshore wind farm area: a pulse-chase study

Organic matter assimilation by hard substrate fauna in an offshore wind farm area: a pulse-chase study

Untitled

An Assessment of Artificial Floating Islands as a Method of Habitat Creation in Marine Environments

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