Naomi Breine 1. Introduction Sampling 13 stations Sampled - - PowerPoint PPT Presentation

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Naomi Breine 1. Introduction Sampling 13 stations Sampled - - PowerPoint PPT Presentation

Oct 24, 2023 103 likes •288 views

Breine N. 1 ,Vanden Bavire A. 1 , Volckaert F. 2 & Hostens K. 1 Naomi Breine 1. Introduction Sampling 13 stations Sampled monthly 2 years (2013-2014) 3 13 stations: 8 subtidal (5-20m depth) 5 intertidal (<1m depth) Duinbergen

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Naomi Breine

Breine N.1 ,Vanden Bavière A. 1, Volckaert F. 2 & Hostens K. 1

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1. Introduction

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× 13 stations × Sampled monthly × 2 years (2013-2014)

Sampling

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13 stations:

8 subtidal (5-20m depth) 5 intertidal (<1m depth) Calais Boulogne De panne Oostende Duinbergen BELGIU M

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Environmental parameters Species Abundance Length & Condition

Aim of the study?

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2. Results

(PRELIMINARY) 6

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Juvenile flatfish

PLAICE DAB TURBOT SOLE BRILL FLOUNDER

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1 8

8 3 2 2 %

Contribution to total density

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50 100 150 200 250 300 350 400 450 500

Pan Duin Cal Ooststr Boul TRAP WEST1 WEST2 Oost NRAA DIEP KWINT ZEE

IND/HA

Plaice Dab Turbot Sole Flounder Brill

Subtidal Intertidal SPECIES ABUNDANCE

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PLAICE DAB

559 45 1480 240 197 97 26 130 327 69 447 112 41 75 19 104 558 375 595 304 146

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CONDITION

PLAICE DAB

Fultons K K =100 W/L 3

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Environmental parameters

Salinity

Year* Station*

Temperature

Season*

Winter temperature

Year* Station*

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Sediment

Depth

Year* Station*

Epibenthic diversity

Margalefs d Station*

50 100 150 200 250 300 350 Pan Duin Ooststr Boul Cal Oost ZEE NRAA KWINT WEST1 WEST2 TRAP DIEP Coast Sea µm

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SPECIES ABUNDANCE Dab Plaice Sole station * *** * Year * * Season * * * Med grain Salinity ** * Winter Temp * Temperature Depth *** Diversity d * Brown shrimp (C. crangon) * Shore crab (C. maenas) *

*

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3. Conclusive remarks

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Juvenile flatfish species and their spatial distribution in belgian coastal waters:

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INTERTIDAL SUBTIDAL

Previous data from 1996-1997

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Ind/100m²* <1ind Data from Beyst, B., Buysse, D., Dewicke, A., & Mees, J. (2001). Surf zone hyperbenthos of Belgian sandy beaches: seasonal patterns. Estuarine, Coastal and Shelf Science, 53(6), 877-895.

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Juvenile flatfish species and their spatial distribution in belgian coastal waters

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Previous data from 1996-1997 Environmental parameters and species abundance showed Spatial & Temporal variation Dab àSalinity Plaice à Winter- Temp, C. crangon & C. maenas Soleà Salinity & C.maenas Further development of models, Condition à Relative condition Larvae + otholyths

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FISHCONNECT

ILVO

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Thank you

For your attention

Flanders Research Institute for Agriculture, Fisheries and Food Ankerstraat 1 8400 Oostende – Belgium T + 32 (0)59 56 98 75 F +32 (0)59 33 06 29 dier@ilvo.vlaanderen.be www.ilvo.vlaanderen.be

ILVO