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General characteristics

 

Common name

Zebra mussel - Dreissena polymorpha

Region

The Netherlands, Europe

Watersystem

merenLakes, rivieren rivers

Nature parameter

molluscs Molluscs

Factsheet made by

K.E. van de Wolfshaar, M. Haasnoot

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Photo: Ron Offermans Source:kennislink.nl

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The dose-effect relations have been based on an extended study of TNO (#2) and an expert meeting (#3). For lakes and rivers, a distinction is made between water depth and flow velocity #2

 

Flowchart

 

Wiki Markup
{flowchart}graph[
rankdir=LR]
nodesep=0.5
"node0" [
label = "Bottom type|Shells in bottom"
shape = "record"
];

"node3" [
label = "HSI establishment"
shape = "record"
];

"node0":f1-> "node3" [style=italic,label="maximum"]
[
id = 2
];

{flowchart}

...

Wiki Markup
{flowchart}graph[
rankdir=LR]
nodesep=0.5
"node0" [
label = "Waterdepth|Average flow velocity around shore"
shape = "record"
];

"node3" [
label = "HSI rivers extra"
shape = "record"
];

"node0":f1-> "node3" [style=italic,label="minimum"];

{flowchart}

 

Dose-effect relations general

Section
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width50%
Chart
dataDisplaytrue
legendfalse
xlabelSalinity (g Cl/L)typexyline
titleSalinity
dataOrientationvertical
typexyline
yLabelHSI

Salinity (g Cl/L)

HSI

0

1

1

1

1.1

0

5

0

Reference: #3

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width50%
Chart
dataDisplaytrue
legendfalse
xlabeltemperatuur
typexyline
titleAverage watertemperature june to august
dataOrientationvertical
typexyline
yLabelHGI

Temperature

HSI

0

0

13

1

17

1

20

0

25

0

Reference: #2

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width50%
Chart
type
dataDisplaytrue
legendfalse
xlabelOrthophosphate (mg/L)
xylinetitleAverage Orthophosphate
dataOrientationvertical
typexyline
yLabelHSI

Orthophosphate (mg/L)

HSI

0

0

0.02

1

0.1

1

0.3

0

Reference: #3

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width50%
Chart
dataDisplaytrue
legendfalse
xlabelOxygen (mg/L)typexyline
titleAverage Oxygen
dataOrientationvertical
typexyline
yLabelHSI

Oxygen (mg/L)

HSI

0

0

5

0

7

1

15

1

Reference #2

Section
Column
width50%
Chart
dataDisplaytrue
legendfalse
xlabelBottom type
typebar
titleBottom type
dataOrientationvertical
typebar
yLabelHSI

Bottom type

HSI

clay

0.466

loam

0.688

sand

0.743

peat

0.074

rocks

0.879

Reference: #3

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width50%
Chart
dataDisplaytrue
legendfalse
xlabelSiltconcentrationtypebar
titleSiltconcentration bottom (%)
dataOrientationvertical
typebar
yLabelHSI

Siltconcentration bottom

HSI

description

0 - 10

0.753

poor silt

10 - 25

0.45

mediocre silt

25 - 100

0.103

rich in silt

Reference: #3

Section
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width50%
Chart
dataDisplaytrue
legendfalse
xlabelBiovolume shells (ml/m2)typexyline
titleShells in soil
dataOrientationvertical
typexyline
yLabelHSI

Biovolume shells (ml/m2)

HSI

0

0

10

0.4

20

0.6

30

0.8

40

1

100

1

Reference: #7

Column
width50%
Chart
dataDisplaytrue
legendfalse
xlabelSilt concentration (mg/l)
typexyline
titleSilt in water near bottom
dataOrientationvertical
typexyline
yLabelHSI

Silt concentration (mg/l)

HSI

0

1

500

1

600

0.8

700

0.6

800

0.4

900

0.2

1000

0

Reference: (#11)

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Added dose-effect relations for lakes

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Column
width50%
Chart
dataDisplaytrue
legendfalse
xlabeldepth (m)typebar
titleWater depth lakes
dataOrientationvertical
typebar
yLabelHSI

depth (m)

HSI

0 - 2

0.287

2 - 5

0.76

5 - 10

0.634

10 - 25

0.205

25 - 50

0.033

> 50

0

Reference: #3

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Added dose-effect relations for rivers

Chart
dataDisplaytrue
legendfalse
xlabeldepth(m)typebar
titleWaterdepth rivers
dataOrientationvertical
typebar
yLabelHSI

depth (m)

HSI

0 - 1

0.4

1 - 3

1

3 - 5

0.4

> 5

0

Reference: #2

Column
width50%
Chart
dataDisplaytrue
legendfalse
xlabelflow velocity(m/s)
typexyline
titleAverage flow velocity near shore
dataOrientationvertical
typexyline
yLabelHSI

flow velocity (m/s)

HSI

0

1

0.5

1

0.8

0

1

0

Reference: #2

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Uncertainty and validation

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