Form 5a - ICP Forests
Form 5a - ICP Forests
Form 5a - ICP Forests
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(150) Code porosity D_SOIL_CODE_POROSITY<br />
(Soil)<br />
Code<br />
Description<br />
1 very low (< 2 % by volume)<br />
2 low (2 – 5 % by volume)<br />
3 medium (5 – 15 % by volume)<br />
4 high (15 – 40 % by volume)<br />
5 very high (> 40 % by volume)<br />
(151) Mean highest and mean lowest ground water table<br />
D_GROUND_WATER_TABLE<br />
(Soil)<br />
Code<br />
Description<br />
0 9 No groundwater table<br />
1 Groundwater table between 0 – 50 cm<br />
2 Groundwater table between 50 – 100 cm<br />
3 Groundwater table between 100 – 150 cm<br />
4 Groundwater table between 150 – 200 cm<br />
5 Groundwater table between below 200 cm<br />
(152) Type of water table D_ WATER_TABLE_TYPE<br />
(Soil)<br />
Code<br />
Description<br />
9 No water table<br />
1 Perched water table<br />
2 Permanent water table<br />
(153) Root abundance D_ROOT_ABUNDANCE<br />
(Soil)<br />
The abundance of roots should be reported for four different size classes, using the codes ‘0, 1,<br />
2, 3 or 4’ based on the frequency as number of roots/dm 2 .<br />
Code Size class: Very fine<br />
Fine<br />
Medium<br />
Coarse<br />
Abundance:<br />
5 mm<br />
9 None 0 0 0 0<br />
1 Very few 1 - 20 1 - 20 1 - 2 1 - 2<br />
2 Few 20 - 50 20 - 50 2 - 5 2 - 5<br />
3 Common 50 - 200 50 - 200 5 - 20 5 - 20<br />
4 Many >200 >200 >20 >20<br />
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