MANUAL Part II Visual Assessment of Crown Condition - ICP Forests
MANUAL Part II Visual Assessment of Crown Condition - ICP Forests
MANUAL Part II Visual Assessment of Crown Condition - ICP Forests
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40 <strong>II</strong>. CROWN CONDITION ASSESSMENTS<br />
Agent<br />
group<br />
CONIFERS/BROADLEAVES<br />
Code Class Code Type Code Specific factor Code Symptoms<br />
400<br />
Chemical factors<br />
410 Nutritional disordersnutrient<br />
deficiencies<br />
411<br />
Cu - deficiency<br />
41101<br />
A<br />
B<br />
I<br />
O<br />
T<br />
I<br />
C<br />
marine salt + 412<br />
surfactants<br />
Physical factors 420 Avalanche 421<br />
Drought 422<br />
Flooding /High<br />
water<br />
423<br />
Frost 424<br />
Hail 425<br />
Heat /Sun scald 426<br />
Ligthning 427<br />
Mud/ land slide 429<br />
Snow /Ice 430<br />
Wind/ Tornado 431<br />
Winter injury - 432<br />
winter desiccation<br />
Fe - deficiency 41102<br />
Mg - deficiency 41103<br />
Mn - deficiency 41104<br />
K - deficiency 41105<br />
N - deficiency 41106<br />
B-deficiency 41107<br />
Mn - toxicity 41108<br />
Other 41109<br />
Winter frost 42401<br />
Late frost 42402<br />
Shallow/ poor soil 433<br />
Rock fall 434<br />
Other abiotic factor 490<br />
Table A2-8: Codes for the agent group 400 (abiotic factors).<br />
Agent group Code Class Code Type Code Symptoms<br />
Direct action <strong>of</strong> 500 Imbedded 510<br />
men<br />
objects<br />
Improper 520<br />
planting<br />
technique<br />
Land use<br />
conversion<br />
530<br />
Silvicultural<br />
operations or<br />
forest<br />
harvesting<br />
Mechanical/<br />
vehicle<br />
damage<br />
Road<br />
construction<br />
540<br />
550<br />
560<br />
Cuts 541<br />
Pruning 542<br />
Resin tapping 543<br />
Cork stripping 544<br />
Silvicultural operations in close trees and other 545<br />
silvicultural operations<br />
Soil<br />
compaction<br />
Improper use<br />
<strong>of</strong> chemicals<br />
570<br />
580 Pesticides 546, 581<br />
Other direct<br />
action <strong>of</strong> men<br />
590<br />
Deicing salt 547, 582<br />
Table A2-9: Codes for the agent group 500 (direct action <strong>of</strong> man).<br />
updated 06/2006