Hotspot Biodiversiteit op de Noordzee

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benthos

x

*

NA

x

NA

x

birds

x

*

x

NA

x

*

x

NA

fish

x

NA

*

NA

x

mammals

x

*

x

*

x

NA

x

*

x

*

habitat

x

*

NA

*

x

*

SPECIES LEVEL

1.1 Species distribution

1.1.1 Distributional range

x

1.1.2 Distributional pattern

x

1.1.3 Area covered by the species

x

1.2 Population size

1.2.1 Abundance/biomass

x

1.3 Population condition

1.3.1 Demographic characteristics

x

1.3.2 Population genetic structure, where appropriate

HABITAT LEVEL

1.4 Habitat distribution

1.4.1 Distributional range

x

1.4.2 Distributional pattern

x

1.5 Habitat extent

1.5.1 Habitat area

x

1.5.2 Habitat volume

x

1.6 Habitat condition

1.6.1 Condition typical species/communities

1.6.2 Relative abundance and/or biomass, as appropriate

x

1.6.3 Physical, hydrological and chemical conditions

x

ECOSYSTEM LEVEL

1.7 Ecosystem structure

1.7.1 Composition & relative proportions of ecosystem

components (habitats and species)

NA = not available

* = not relevant

Gebaseerd op criteria uit de Europese Kaderrichtlijn Marien (KRM)

www.imares.nl

Oscar Bos

IMARES, onderdeel van Wageningen UR

Postbus 167

1790 AD Den Burg, Texel

Hotspots biodiversiteit

Projectnummer BO-11-011.04-009. Dit onderzoek is betaald door de ministeries van EL&I en I&M. Het rapport is online te vinden op http://edepot.wur.nl/174045

Benthos

Vogels

6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Kriged macrobenthos density

N/m² 0 | | | | | | | | >3000 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Kriged macrobenthos biomass

Kriged megabenthos biomass

Kriged megabenthos density

N/m² 1.8 | | | | | | | | 878.6

Macrobenthos (BIOMON)

Megabenthos (Triple-D)

Benthos ( BTS)

6°E 5°E 4°E 3°E 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Kriged macrobenthos rarity

N species 0 | | | >3 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Kriged megabenthos rarity

Kriged macrobenthos richness

Kriged megabenthos richness

Kriged macrobenthos resilience (l. > 10 y)

N species 1 | | | | | | | | 5

Benthos R.V. ISIS BTS richness

6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N N species/haul 4.0 - 7.8 7.9 - 8.8 8.9 - 10.0 10.1 - 11.5 11.6 - 17.0 55°N 54°N 53°N 52°N

Benthos R.V. ISIS BTS rarity

N species/haul 1.0 - 3.5 3.6 - 4.3 4.4 - 4.9 5.0 - 6.0 6.1 - 12.0

Aantal soorten met

maximale leeftijd

groter dan 10 jaar

6 E 5 E 4 E 3 E 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Kriged macrob. large spec. (>1000 mg)

N species 1

5

Vissen

Fish BTS/IBTS richness Q1Q3

6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N N species 0 - 33 34 - 35 36 - 37 38 - 39 40 - 50 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Fish BTS/IBTS potential large species (>90 cm)

N species 1 - 3 4 5 6 - 7 8 - 10 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Fish BTS/IBTS large species >75% Lmax

N species 2 - 6 6.1 - 7 7.1 - 9 9.1 - 10 10.1 - 16 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Birdvalues April-May

Birdvalues all seasons

6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Birdvalues June-July

Classes 1 2 3 4 5 Classes 1 2 3 4 5 Classes 1 2 3 4 5 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Birdvalues August-September

Birdvalues December-January

6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Birdvalues October-November

Birdvalues February-March

Classes 1 2 3 4 5 Classes 1 2 3 4 5 Classes 1 2 3 4 5 Classes 1 2 3 4 5

Grey seal Harbour porpoise

7°E 6°E 5°E 4°E 3°E 2°E 55°N 54°N 53°N 52°N Harbour seal Minke whale 7°E 6°E 5°E 4°E 3°E 2°E 55°N 54°N 53°N 52°N 7°E 6°E 5°E 4°E 3°E 2°E 55°N 54°N 53°N 52°N White-beaked dolphin 7°E 6°E 5°E 4°E 3°E 2°E 55°N 54°N 53°N 52°N 7°E 6°E 5°E 4°E 3°E 2°E 55°N 54°N 53°N 52°N abundance 2 3 4 abundance 2 3 4 abundance 3 abundance 1 abundance 1 2 7°E 6°E 5°E 4°E 3°E 2°E 55°N 54°N 53°N 52°N abundance 8 9 10 11 12

Marine mammal density

6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Biogeographical population size

Resilience

6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Importance of DCS

Total ecopoints

Total 74 75 - 91 92 - 93 94 - 100 101 - 110 17 - 19 20 21 - 23 24 - 27 28 - 31 31 32 - 36 37 - 38 39 40 - 45 23 24 - 30 31 - 32 33 34 - 39 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N Sediment

Summer stratification possible

6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N Depth contours depth in m. <-40 -40 -30 -20 -10 Mediane korrelgrootte < 150 µm 15-0 - 210 µm 210 - 420 µm > 420 µm grind > 50% slib >15%

Habitat types

6°E 5°E 4°E 3°E 2°E 55°N 54°N 53°N 52°N

1, estuary 14, surf zone, fine sand 15, surf zone, medium fine sand 16, surf zone, medium coarse sand 17, surf zone, coarse sand 24, shallow coastal sea, fine sand 25, shallow coastal sea, medium fine sand 26, shallow coastal sea, medium coarse sand 27, shallow coastal sea, coarse sand 24, shallow sea, fine sand 31, medium deep sea, silty, fine sand 32, medium deep sea, silty, medium fine sand 33, medium deep sea, silty, medium coarse sand 34, medium deep sea, fine sand

35, medium deep sea, medium fine sand 36, medium deep sea, medium coarse sand 37, medium deep sea, coarse sand 41, deep sea, silty, fine sand 42, deep sea, silty, medium fine sand 43, deep sea, silty, medium coarse sand 44, deep sea, fine sand

45, deep sea, medium fine sand 46, deep sea, medium coarse sand 47, deep sea, coarse sand 51, deeper sea, silty, fine sand 52, deeper sea, silty, medium fine sand 54, deeper sea, fine sand 55, deeper sea, medium fine sand 56, deeper sea, medium coarse sand 57, deeper sea, coarse sand 58, deeper sea, gravel

6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Habitat rarity %

% 5.71 - 27.6 2.15 - 5.7 0.34 - 2.14 0.13 - 0.33 0 - 0.12 6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Fish negative trends

6°E 5°E 4°E 3°E 55°N 54°N 53°N 52°N

Fish rarity

N spec/ 1/9 ices rectangle 2 3 4 5 6 Classes 1 2 3 4 5

Deze kaarten laten zien

waar de biodiversiteit het

hoogst is, vanuit het

perspectief van de KRM.

Kaarten voor benthos en vogels

tonen de

duidelijkste

‘hotspots’.

De kaarten zijn gemaakt

op basis van de ruimtelijke

toepassing van GES

descriptor 1: Biodiversity is

maintained.

Habitats