Table 1. Criteria for the Interpretation of Jorvay Spruce on the Basis of CIHerial Photographs (Chlorosis Charac- 
teristics not include!) (Abbreviations: p.b.= priiarv branches. + /- = tore or less) 
Level Shape Characteristics 
Colour Characteristics 
0 
—Type Cotb-Tyoe 
Brush-Type Plate-Type 
colour 
distribution 
hoiogeneous 
Fori 
pointed cone shape; 
outline 
pointed to blunt cone shape; 
outline corrugated or siooth 
Coarse 
structure 
star-shaped, serrated 
p.b. star-shaped; 
finely radial 
p.b. wedge-shaped 
to swollen; 
♦/- densely arr. 
p.b. broad-bulged 
to lobed 
step-wise 
saturation 
brightness 
intensive 
dark 
Fine 
structure 
p.b. without gaps; 
even; siooth 
p.b. without gaps, uneven; siooth 
tone 
general 
red 
specific 
1 
Form 
pointed cone shape; 
outline 
star-shaped, serrated 
pointed to blunt cone shape; 
outline corrugated to siooth 
colour 
distributioi 
less homogeneous than 
level 0 
Coarse 
structure 
p.b. star-shaped; 
finely radial 
p.b. vedge-shaped 
to swollen; 
♦/- densely arr. 
p.b. broad-bulged 
to lobed; 
step-wise 
saturation 
brightness 
intensive 
slightly brighter 
Fire 
structure 
p.b. very fen gaps 
cosplete; 
t/- siooth 
p.b. very few gaps; 
uneven; 
a/- siooth 
tone 
general 
light red 
specific 
? 
Fort 
pointed cone shape; 
outline star-shaped 
pointed to blunt cone shape; 
outline corrugated to siooth 
or frayed outline 
colour 
distributio; 
2.1 heterogeneously 
fine-spotted 
2.2 heterogeneously 
coarse-spotted 
Coarse 
structure 
p.b. star-shaped 
and clearly 
finely radial 
arrangement of p.b. 
irregular to 
diffusely 
star-shaped 
step-wise p.b.; 
narro» bulged; 
sickle-shaped to 
unevenly cluiov 
saturation 
brightness ; 
lov; 
increase in grey sections 
istintly brighter (pallid) 
Fine 
structure 
3.1*) p.b. rough; large chips »ith few siali gaps 
2.2*) p.b. isrkedly rough; 
stall chips with nuiercus stall gaps 
tone 
generall2.1 light red to 
grey-red. 2.2 grey-red, 
light grey to grey-green 
specific 
3 
Fori 
pointed cone shape; 
outline 
spoke wheel-shaped 
pointed to blunt cone shape 
colour 
distributio; 
heterogeneously 
coarse-spotted 
blurred outline 
out 1 .lore frayed 
Coarse 
structure 
p.b. star-shaped 
and clearly 
finely radial 
arrangeient of p.b. 
scattered or 
not 
discernible; 
occ. dead branches 
step-wise p.b.; 
narrowly cres 
centic; diffuse 
ratifications, 
disintegrated 
saturation 
brightness 
very !o» (high \-agegrey) 
siallsheresioreintensive 
bright (small spheres 
darker! 
Fine 
structure 
p.b. diffuse; 
siali spheres with numerous large and siali gaps 
tone 
general 
grey-green »ith 
light red spots 
specific 
4 
Fort 
Dead: 
1. recently: coarse and fine structure as in level 3 
3. otherwise: types of forts not always distinguishable 
Coarse structure as in level 3; no fine structure 
colour 
distributioi 
hoiogeneous 
Coarse 
structure 
saturation 
brightness 
1.intensive, 2.very lo» 
very bright 
Fine 
structure 
tone 
generall 1.light green 
2.blue-green or »bite 
specific 
‘1 Subdivision of level 2:2.1=26 40\ needle loss / 2.2=41-60\ needle loss 
755