Forest Ecosystems

Table 3 Diametric-species classification use in the species area analysis

From: Tree diametric-species diversity is affected by human impact in old Scots pine dominated forest in boreal Fennoscandia

Diametric class (cm)	Tree species
Diametric class (cm)	Pine	Spruce	Silver Birch	Downy Birch	Alder	Aspen	Willow	Ash	Other Hardwood	Other Coniferous
1–5	A1	B1	C1	D1	E1	F1	G1	H1	I1	J1
6–10	A2	B2	C2	D2	E2	F2	G2	H2	I2	J2
11–15	A3	B3	C3	D3	E3	F3	G3	H3	I3	J3
16–20	A4	B4	C4	D4	E4	F4	G4	H4	I4	J4
21–25	A5	B5	C5	D5	E5	F5	G5	H5	I5	J5
26–30	A6	B6	C6	D6	E6	F6	G6	H6	I6	J6
31–35	A7	B7	C7	D7	E7	F7	G7	H7	I7	J7
36–40	A8	B8	C8	D8	E8	F8	G8	H8	I8	J8
41–45	A9	B9	C9	D9	E9	F9	G9	H9	I9	J9
46–50	A10	B10	C10	D10	E10	F10	G10	H10	I10	J10
51–55	A11	B11	C11	D11	E11	F11	G11	H11	I11	J11
56–60	A12	B12	C12	D12	E12	F12	G12	H12	I12	J12
61–65	A13	B13	C13	D13	E13	F13	G13	H13	I13	J13
66–70	A14	B14	C14	D14	E14	F14	G14	H14	I14	J14
71–75	A15	B15	C15	D15	E15	F15	G15	H15	I15	J15
76–80	A16	B16	C16	D16	E16	F16	G16	H16	I16	J16

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