Download - Vietnam Lecture1 EcosystemLittoral
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Ecosystem approach to biological
and socio- economic valuation of coastal marine areas.Redowo Cliff case study.
Jan Marcin Wsawski, Lech Kotwicki, JzefWiktor, Agnieszka Tatarek, Natalia Beer, Eugeniusz
Andrulewicz
With acknowledgements to inspiration from EU COSA project,
EU ELME project and HELCOM BSRP study group
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Southern Baltic Seaalong over 500km of sandy coastline there are just few isolated moraine cliffs with
stony outcrops (less 1% of the coastline)
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Redowo moraine Cliff underwater reserve
Proposed as MPA, endorsed by HELCOM list
The richest and most biologically diverse unit of
open Gdansk Bay
Contains habitats and species protected by EUhabitat and water directives
Combines highest esthetic/cultural/educational
values with biological importance and localtrademark
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Seagras bedprotected habitat
and
Zostera marinaprotected species
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Delimitation of valued area
Is it a part of larger system ?
What are the physical borders of the area ?
Sink or source ?
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Natural and antropogenic limitations
Depth of the euphotic zone
Substrate type
Water dynamics
Fast ice
Sediment replacement
Coastal defence & infrastructure Nutrients & pollutions discharge
Overfishing
Encroachment & trampling
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Valued Ecosystem Components
Species (protected, commercial, charismatic, keystone, habitat builders)
Habitats (protected, commercially used)
Functions (sustaining, commercially used)
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Valued Ecosystem Component (VEC) - Habitat builders
Zostera marina Zanichelliasp.
Chara aspera Furcellariasp.Mytilus edulis trossulus
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VECrare species
HydrozoaZoarces viviparus
Nerophis ophidion
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Charismatic species disproportionally valued
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Meiofaunaimportant but not valued
Zdjcia: Matthew D. Hooge, Rick Hochberg; http://hooge.developmentalbiology.com/meiofauna
1 mm
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Microorganisms most important but not valued
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The smaller, the more important
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VECfunctions & processes
- Sand production (erosion of coast)
- Water filtration
- Fish nursery
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clean removal (oxydation) of 75kg of
organic matter per m2 per year
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Management of VEC
question of scale
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VEC Furcellaria, scale 20x20km
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VEC Furcellaria, scale 2x2km
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Fight for public support coastal defence is a response to public demand
or
from 1200 anquetes distributed among local citizens 85% select green option
E i li l b l
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Environmentalists lost battle
from EIA on sediment replacement and wavebrakers formation,
prepared by chemist and accepted by local administration:
replacement of sediment in this area
will not harm the seabirds wintering here
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Engineers option
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Marine Protected Areas and
Environmental law in Poland
Does not enter the marine ecosystem
Ideas are implemented from land conservation
Environment Imapct Assessment (EIA) are not
regulated nor controlled
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Habitat protection is most useful management option
Habitat mapping is most useful tool
Biological and socio- economic valuation is therecommended approach for solving the conflicts
Keep technocrates away from EIA !