WP1: Healthy and clean seas

Lead: Christoffer Boström

The prerequisites for a healthy and clean sea include functional and resilient ecosystems including effective measures such as mitigation of a number of human pressures (e.g. maritime traffic, nutrient pollution), implemented area-based conservation and accountability. The main assumption, and simultaneously major challenge behind these measures, lies in understanding the interlinkages between structure (e.g. habitat extent, distribution and density), function (e.g. the physical, chemical and biological processes) and ecosystem services (e.g. provisioning, regulatory, supporting, and cultural services). However, the structure-function-services (SFS) chain in marine ecosystems remains highly understudied making the understanding and conservation of key marine ecosystems challenging.

The objectives of WP1 are to

1. Establish structure-function-services (SFS) links for two key habitats in the model area; seagrass meadows and bladderwrack by measuring ecosystem processes relevant for a healthy sea and for conservation goals e.g. nutrient filtering, carbon binding, biodiversity, nursery provisioning, and sediment stabilization.
2. Link habitat functions to ecosystem services to guide conservation and identify main threats (loss drivers) to service provisioning.
3. Improve knowledge transfer of the SFS chain for blue growth sectors such as maritime traffic by consider biodiversity and ecosystem services in public and private (e.g. ship operators) decision-making.

The work is structured under three specific tasks:

This task quantifies the structure-function-services (SFS) relationship of two dominating and valuable coastal habitats, rocky shore bladder wrack habitats and soft sediment seagrass meadows, and assesses the value of ecosystem services for policy purposes.

The task utilizes existing data on habitat distribution, biodiversity and carbon stocks collected within ÅAU projects and the national inventory programme for biodiversity VELMU, as well as data collected with new empirical surveys of sediment stabilisation and nutrient filtering (seagrass) and biodiversity provisioning (bladderwrack, seagrass). The work includes assessments of changes in the habitats’ ecosystem services benefits, different management scenarios, and policy outcomes, realized with economic valuation techniques in co-creation with stakeholders (e.g. managers, fishermen). The task aims to develop effective area-based conservation measures in co-operation with regional marine managers and organizations to improve the protection of marine nature values. The expected outcomes include the identification of extent, function, ecosystem services, and economic value of key habitats to support maritime spatial planning and conservation.

Contacts: Christoffer Boström, Sonja Salovius-Laurén, Anna Törnroos-Remes

Understanding the biodiversity impact of maritime traffic (including cargo transportation to passenger travel and leisure boating) is important due to paradoxes related to its role as a key enabler of economic development, its high recreational value, and the stress it causes to marine and coastal life. This task defines and applies different impact assessment methods and reporting requirements for maritime traffic.

The task assesses cases of environmental impact of maritime traffic (e.g. wave erosion) and envisages strategies for their fair and effective reporting (e.g. biodiversity accounting). Existing data on biodiversity assessments along shipping-related wave exposure gradients are analysed and supplemented with experimental field studies using wave gauges and wave tank experiments, and are ultimately linked with economic feasibility assessments and surveys on socio-acceptance of potential measures. Stakeholder engagement with local passenger boat owners and operators and ship designers is vital to increase the awareness of impacts and to identify potential mitigation strategies. The expected outcomes include impact data across maritime traffic scales including potential thresholds (e.g. species-specific seagrass stabilisation capacity and coastal erosion thresholds), and recommendations for regulatory compliance.

Contacts: Christoffer Boström, Magnus Hellström, Christian Pansch-Hattich, Sonja Salovius-Laurén

This task aims to improve our local understanding of the effects of pollution by e.g. heavy metals and pharmaceuticals on biodiversity and marine coastal ecosystems.

Contact: Christoffer Boström, Anna Törnroos-Remes

People

Christoffer Boström
Christoffer Boström SOS WP1 Lead; Associate Professor of Environmental and Marine Biology+358 50 431 8226christoffer.bostrom@abo.fiResearch profile
Magnus Hellström SOS WP3 Lead; Professor in the Laboratory of Industrial Management+358 40 737 9980magnus.hellstrom@abo.fiResearch profile
Christian Pansch-Hattich
Christian Pansch-Hattich SOS WP6 Lead; Professor of Environmental and Marine Biology+358 50 512 6850 christian.pansch-hattich@abo.fiResearch profile
Sonja Salovius-Laurén SOS WP2 Lead; University Researcher in Environmental and Marine Biology+358 46 921 6458sonja.salovius-lauren@abo.fiResearch profile
Anna Törnroos-Remes SOS Director, Associate Professor of Environmental and Marine Biology (tenure track)+358 41 434 1741anna.m.tornroos@abo.fiResearch profile