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H91EO - Alluvial forests with Alnus glutinosa and Fraxinus excelsior (Alno-Padion, Alnion incanae, Salicion albae)
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Important environmental factors that determine the occurrence of this habitat type are the inundation period, soil type and grazing density. Groundwater level is mainly determined by the water level/inundation period and is therefore not included as an extra parameter. The following dose effect relations include the combined conditions for various types of forests, as they make up this habitat type. For various inundation periods and soil types, different vegetation types can be dominant. For effect modelling it is therefore worth considering to make a distinction between the various types of forests, using Duel et al #5 en #6. The dose effect relations for forests with White willow, Black poplar, Ash-Elm and Alder-Ash have already been included (see caption subvegetation types). For Alm and Esh forests and Alder en Elm forest, the groundwater level dose effect relations have been included also.
Flow chart
| Wiki Markup |
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{flowchart}graph[
rankdir=LR]
nodesep=0.5
"node0" [
label = "inundation period|grazing|soil type"
shape = "record"
];
"node3" [
label = "HSI general"
shape = "record"
];
"node0":f1-> "node3" [style=italic,label="minimum"]
[
id = 2
];
{flowchart} |
| Wiki Markup |
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{flowchart}graph[
rankdir=LR]
nodesep=0.5
"node0" [
label = "Water depth|inundation period|grazing"
shape = "record"
];
"node3" [
label = "HSI fresh water tidal area - White willow forest"
shape = "record"
];
"node0":f1-> "node3" [style=italic,label="minimum"]
[
id = 2
];
"node1" [
label = "inundation period Black poplar| inundation period White willow |<f3>Ash-Elm forest|<f4>Alder-Ash forest|"
shape = "record"
];
"node2"[label=" inundation period Ash-Elm|Groundwater level Ash-Elm" shape="record"];
"node4"[label=" inundation period Alder-Ash|Groundwater level Alder-As" shape="record"];
"node2" ->"node1":f3 [style=italic,label="minimum"]
"node4" ->"node1":f4 [style=italic,label="minimum"]
"node5" [
label = "HSI inundation period river area"
shape = "record"
];
"node1" -> "node5" [style=italic,label="maximum"]
"node6" [
label = "HSI General"
shape = "record"
];
"node3" -> "node6" [style=italic,label="maximum"]
"node5" -> "node6" [style=italic,label="maximum"]
{flowchart} |
Dose-effect relations
River area – all forests of H91E0
| Section |
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| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
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| xlabel | period (days/year) | dataOrientation |
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| vertical | title | inundation period |
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| dataOrientation | vertical |
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| type | bar |
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| yLabel | Habitat Availability Index |
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| days/year | HSI |
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0-5 | 0.5 | 5-140 | 1 | 140-165 | 0.7 | 165-180 | 0.3 |
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Reference: #5,#6 |
| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
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| xlabel | Number of large grazers per 100 ha |
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| title | Grazing |
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| dataOrientation | vertical | title | Grazing |
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| type | bar |
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| yLabel | Habitat Availability Index |
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| Number of grazers 100 ha | HSI |
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0-5 | 1 | 5-10 | 1 | 10-15 | 1 | 15-20 | 0.7 | 20-25 | 0.3 | 30-35 | 0 |
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Reference: #5 |
| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
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| xlabel | Soil type | dataOrientation | vertical |
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| title | Soil type |
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| dataOrientation | vertical |
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| type | bar |
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| yLabel | Habitat Availability Index |
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| Soil type | HSI |
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sand | 1 | clay | 1 | loam | 1 | peat | 0 |
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Reference: #1 |
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...
| Section |
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| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
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| xlabel | (m bij GHW) | dataOrientation | vertical |
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| title | Water depth |
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| dataOrientation | vertical |
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| type | bar |
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| yLabel | Habitat Availability Index |
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| | HSI |
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< -0.5 | 0 | -0.5 --0.35 | 0.5 | -0.35-0.4 | 1 | >0.4 | 0 |
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Reference: #5 |
| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
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| xlabel | period (days/year) | dataOrientation | vertical |
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| title | inundation period |
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| dataOrientation | vertical |
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| type | xyline |
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| yLabel | Habitat Availability Index |
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| days/year | HSI |
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0 | 0 | 20 | 0 | 40 | 1 | 50 | 1 |
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Reference: #5 |
| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
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| xlabel | Number of large grazers per 100 ha |
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| title | Grazing |
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| dataOrientation | vertical | title | Grazing |
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| type | bar |
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| yLabel | Habitat Availability Index |
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| Number of grazers per 100 ha | HSI |
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0-5 | 1 | 5-10 | 1 | 10-15 | 1 | 15-20 | 0.7 | 20-25 | 0.3 | 30-35 | 0 |
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Reference: #5 |
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...
| Section |
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| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
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| xlabel | period (days/year) | dataOrientation |
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| vertical | title | inundation period – Black poplar |
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| dataOrientation | vertical |
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| type | bar |
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| yLabel | Habitat Availability Index |
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| days/year | HSI |
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<20 | 0 | 20-35 | 0.5 | 35-50 | 1 | 50-65 | 0.7 | 65-80 | 0.3 | >80 | 0 |
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Reference: #5, |
| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
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| xlabel | period (days/year) | dataOrientation |
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| vertical | title | inundation period – White willow forest |
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| dataOrientation | vertical |
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| type | bar |
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| yLabel | Habitat Availability Index |
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| days/year | HSI |
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<50 | 0 | 50-65 | 0.3 | 65-80 | 0.7 | 80-140 | 1 | 140-165 | 0.7 | 165-180 | 0.3 | >180 | 0 |
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Reference: #5, |
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| Section |
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| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
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| xlabel | period (days/year) | dataOrientation | vertical |
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| title | inundation period -Ash-Elm forest |
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| dataOrientation | vertical |
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| type | bar |
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| yLabel | Habitat Availability Index |
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| days/year | HSI |
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0-5 | 0.5 | 5-20 | 1 | 20-35 | 0.5 | >35 | 0 |
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Reference: #6, |
| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
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| xlabel | period (days/year) | dataOrientation | vertical |
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| title | inundation period – Alder-Ash forest |
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| dataOrientation | vertical |
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| type | bar |
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| yLabel | Habitat Availability Index |
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| days/year | HSI |
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<20 | 0 | 20-35 | 0.5 | 35-50 | 1 | 50-65 | 0.7 | 65-80 | 0.3 | >80 | 0 |
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Reference: #5, |
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| Section |
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| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
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| xlabel | period (m) | dataOrientation | vertical |
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| title | groundwater level – Ash-Elm forest |
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| dataOrientation | vertical |
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| type | xyline |
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| yLabel | Habitat Availability Index |
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| days/year | HSI |
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0 | 0 | -0.5 | 0 | -0.8 | 1 | -1.5 | 1 |
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Reference: #6, |
| Column |
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| | Chart |
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| dataDisplay | true |
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| legend | false |
|---|
| xlabel | period (m) | dataOrientation | vertical |
|---|
| title | groundwater level - Alder-Ash forest |
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| dataOrientation | vertical |
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| type | xyline |
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| yLabel | Habitat Availability Index |
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| days/year | HSI |
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0 | 0 | -0.2 | 1 | -0.6 | 1 | -0.7 | 0 | -0.8 | 0 |
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Reference: #6, |
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