Opendata, web and dolomites


Living in the diffusive boundary layer of seaweeds a potential refuge habitat from oceanacidification

Total Cost €


EC-Contrib. €






 DBL-OA project word cloud

Explore the words cloud of the DBL-OA project. It provides you a very rough idea of what is the project "DBL-OA" about.

forming    calcifying    blade    rigorous    brown    morphology    thereby    seaweeds    algal    sheltering    communities    combine    ph    bryozoans    community    coastal    physiology    generality    cm    mm    fucales    flow    atmospheric    morphologically    physical    fuclean    calcareous    algae    laboratory    environment    living    ocean    modification    producers    seawater    invertebrates    canopy    dense    worms    dbl    skeletons    microhabitats    engineers    functioning    seaweed    metabolism    primary    acidic    organisms    co2    southern    varies    calcifiers    threatened    fauna    understory    ecologically    compare    excess    marine    ant    seas    predicted    chemical    canopies    chemistry    causes    understand    tube    oceans    calcite    depending    thin    refugia    environmental    interactions    absorption    hemispheres    temperate    habitat    diffusive    supplying    species    germany    conducting    world    layer    surface    dominant    tasmania    acidification    engineer    modify    northern    water    dissolution    boundary    experiments    hydrodynamic    natural    offset    examine    innovative    elucidating    sometimes    oa    thick    food    sustained    local    impairs    negative    ecosystems    thickness    ecosystem    observations   

Project "DBL-OA" data sheet

The following table provides information about the project.


Organization address
city: KIEL
postcode: 24148

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Total cost 264˙110 €
 EC max contribution 264˙110 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-GF
 Starting year 2017
 Duration (year-month-day) from 2017-06-15   to  2020-06-14


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
2    UNIVERSITY OF TASMANIA AU (Hobart) partner 0.00


 Project objective

The world’s oceans are becoming more acidic due to the sustained absorption of excess atmospheric CO2. Ocean acidification (OA) is predicted to affect the physiology of marine organisms at a specific level with calcifying species being particularly threatened because low pH impairs the formation, and causes dissolution, of their calcite skeletons. In temperate coastal communities, seaweeds are ecosystem engineers that modify their local chemical (e.g. pH) and physical (e.g. water flow) environment; this modification might offset the negative effects of OA on calcifiers. Brown seaweeds (Order Fucales) are ecologically dominant primary producers of temperate coastal seas, supplying food and habitat for calcifying fauna living on their blade surface (e.g. bryozoans, tube worms) but also forming dense canopies sheltering understory calcareous algae. At the surface of all seaweeds, there is a thin (mm) layer of seawater called the “diffusive boundary layer” (DBL) whose chemistry, including pH, is controlled by the seaweed’s metabolism. Depending on algal morphology, the DBL thickness varies, forming a sometimes thick (6 cm) DBL associated with the seaweed canopy, thus providing more or less complex microhabitats for associated species. The proposed program will combine field observations with rigorous laboratory experiments to examine the ability of morphologically distinct seaweeds to engineer their hydrodynamic and pH environment, and determine the resultant effects on the growth and physiology of associated invertebrates and calcifying algae. To know species interactions under environmental change is important to understand community functioning in a future ocean. This innovative project will compare the generality of responses by conducting experiments using the same novel methods in Fuclean communities from the southern (Tasmania) and northern (Germany) hemispheres, thereby elucidating the extent to which seaweed-based ecosystems can provide natural refugia from OA.

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The information about "DBL-OA" are provided by the European Opendata Portal: CORDIS opendata.

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