1. By authors from the Network for Studies on Coastal Zone Processes Consortium of Polish Marine Research Institutes (IOPAN, IEPAN, IBWPAN, IG, IOUG, MIR, KIŚPG, IPUG, PAP J.M.Węsławski, S.Massel, I.Sagan, E.Andrulewicz, E.Kuzebski, K.Olańczuk-Neyman, G.Różyński, M.Mendel, K.Skóra, Z.Witek, H.Piekarek-Jankowska, B.Urban-Malinga, K.Jankowska, L.Kotwicki, J.Zachowicz, S.Uścinowicz The value of Southern Baltic coastal ecosystem. Does it matter ? Świnoujście Szczecin Kołobrzeg Darłowo Ustka ŁebaPuckHel Gdynia Sopot Gdańsk Elbląg

2. Poland Sweden Germany Goods and services: - that are not human-mediated (e.g. solar radiation) - those which might be changed (e.g. microbial activity) Goods and services: - that are not human-mediated (e.g. solar radiation) - those which might be changed (e.g. microbial activity)

3. Selection of marine protected areas in Poland Important birds nesting & resting grounds Rare coastal plants communities Unique habitat on the seabottom - stone/boulder pits Reservoir of concentrated species and habitats – Puck Bay Grey seal resting site ?

4. Protected coastal areas in Poland

5. Most valued habitat and structuring species – seagrass beds

6. Most typical habitat in shallow sublittoral, poor in diversity, important in microbial functions

7. Rare habitat of low ecological importance ?

8. RESULTS (side scan sonar) Habitat mapping

9. Species of restricted habitat area Sandhopper, the only macroscopic consumer of lignin in marine environment, occurrs along the whole 500 km of Polish sea coast, but effectively on less than 2 km 2 Species of restricted habitat area Sandhopper, the only macroscopic consumer of lignin in marine environment, occurrs along the whole 500 km of Polish sea coast, but effectively on less than 2 km 2

10. Why Peracarida for biodiversity surogate ? large, conspicious species widely known, relatively easy identification brooders speciose taxon, widely dispersed vulnerable for contaminants

11. macrozoobentos Amphipoda Isopoda Tanaidacea Cumacea Decapoda Euphausiacea Mysidacea Malacostraca - percent of regional macrofauna

12. Peracarida species occurrence in Baltic shows salinity/habitat gradient effect on species richness

13. For the large areas of uniform seascape, local bays serves as diversity reservoires

14. Do we value in a similar way ? For many, the plastic net cover on cliff and the coastal motorway is more attractive than underdeveloped shore

15. Example of valuation: annual value of sandy beach and shallow littoral Example of valuation: annual value of sandy beach and shallow littoral Tourism – 8 mln pers./y – 500 mln euro Artisanal & sport fishery – 10 mln euro Organic matter mineralisation – 0.15 mln euro Carbon sink – 0.015 mln euro Biofiltration – 5.5 mln euro Nursery grounds – 1 mln euro Model organisms - ? Erosion control – ?

16. Services provided by Polish EEZ Climate regulation Disturbance regulation Erosion control Remineralisation Provision of biological resources Monitoring and modelling Recreation Culture, education & Science CO2 sink, DMS production Oil spill degradation Algal mats, TEP production Microbial decomposition Nursery grounds Bioindicators & biomarkers Tourism, sea sports Popular scientific products Valuation possible no data Limited information Valuation possible Limited information no data

17. Goods provided by Polish EEZ Mineral resources Gravel, sandLimited exploitation (?) Oil, gasExploited (40 mln euro?) Amber Extensive grey zone. Over 20 mln euro? Biological resources Comercial artisanal and sport fishery Extensively exploited and regulated: 60 mln euro (100?) other Mineral resources Planned investm. 5 bln euro