Buschbaum, Christian

Reise, Karsten

Volkenborn, Nils

English

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Inverse effects of autogenic and allogenic ecosystem engineers on diversity in coastal sediments Nils Volkenborn*, Christian Buschbaum*, Karsten Reise*and the RMP 4.2. working group *Alfred Wegener Institute for Polar and Marine Research, Wadden Sea Station Sylt, GermanyAt sedimentary coasts ecosystem engineering above and below the sediment surface plays a key role in coastal diversity.Autogenic ecosystem engineers modify the habitat via their own physical structures and are primarily epibenthic. Allogenic ecosystem engineers modify the sedimentary habitat via their activities, and are primarily endobenthic. We hypothesize that autogenic ecosystem engineers facilitate epibenthic diversity at the expense of endobenthic diversity, while allogenic ecosystem engineers facilitate endobenthic diversity at the expense of epibenthic diversity.Hypothesized effects of autogenic ecosystemengineering above the sediment surface Hypothesized effects of allogenic ecosystemengineering below the sediment surface The working group of the MarBEF RMP 4.2 “The role of native and/or invasive ecosystem engineers in explaining biodiversity” plan experiments to test the hypothesis. The expertise on different engineering species (Table 1) will be used for joint publication(s) and may trigger ideas for future collaboration. The goal is to derive a general concept on inverse effects of autogenic and allogenic ecosystem engineers on epibenthic and endobenthicdiversity in coastal systems. IMEDEA, SpainIris HendriksMediterranean SeaPosidonia oceanica (seagrass)InstituteScientistsHabitatEngineering speciesWadden Sea Station Sylt, AWI, GermanyChristian BuschbaumWadden SeaSargassum muticum (seaweed)CORPI, Klaipeda University, LithuaniaAndrius SiaulysCuronian lagoon, Baltic SeaMarenzelleria viridis (spionide)CORPI, Klaipeda University, LithuaniaSergei Olenin, Anastasjia ZaikoCuronian lagoon, Baltic SeaDreissena polymorpha (Zebra mussel) University Illes Baleares, SpainSalud DeuderoMediterranean SeaCaulerpa taxifolia and (seaweed)Wadden Sea Station Sylt, AWI, GermanyKarsten ReiseWadden SeaCrassostrea edulis (Pacific oyster)Wadden Sea Station Sylt, AWI, GermanyNils VolkenbornWadden SeaArenicola marina (lugworm) University of Southern DenmarkErik Kristensen et al.Tropical tidal flatsThallasinidean shrimpsWadden Sea Station Sylt, AWI, GermanyNIOZ, Yerseke, The NetherlandsAnja SchanzTjeerd Bouma, Peter HermannWadden SeaZostera noltii (seagrass) NIOZ, Yerseke, The NetherlandsWadden Sea Station Sylt, AWI, GermanyTom Ysebaert et al.Christian BuschbaumWadden SeaMytilus edulis (Blue mussel) Furcellaria lumbricalis (seaweed) CORPI, Klaipeda University, LithuaniaMartynas BucasCuronian lagoon, Baltic SeaTable 1. Target species within the MarBEF RMP 4.2 and involved  scientists and institutes Seagrass meadow (Posidonia oceanica) Intertidal flat bioturbated by thallasinidean shrimps 

Inverse effects of autogenic and allogenic ecosystem engineers on diversity in coastal sediments

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