Shortleaf/Loblolly Thinning Guides

Shortleaf Pine Thinning Guide - Trees 4" D.B.H. & Over Leave Basal Area (Sq.ft.) for Site Index

Age	40	50	60	70	80	90
20				58	70	80
25		55	69	82	88	91
30	55	72	85	92	93	95
35	68	83	92	94	96	97
40	77	89	93	95	97	98
45	82	90	93	95	97	98
50	84	91	93	96	97	99
60	86	91	94	96	97	99

Loblolly Pine-Thinning Guide- Trees 4" D.B.H & Over Leave Basal Area (Sq.ft.) for Site Index

Age	60	70	80	90	100	110
15					58	63
20		61	67	72	76	81
25	66	73	78	82	85	89
30	74	80	83	87	90	95
35	79	84	87	89	93	98
40	83	86	89	92	96	100
45	85	88	91	94	97	102
50	87	89	92	95	99	104
55	88	91	93	96	100	105
60	89	92	95	97	101	106

Leave tables are 57% of normal (Misc.Pub.50). Thin at 80% or over of B.A. of fully stocked stand. To determine time for thinning- assume that the stand will approach normal at the rate of 4% per year, i.e. 68% Normal basal area- thin three years hence. (80-68)/(4) = 3
Virginia Division of Forestry

Service Forester's Handbook

Table of Contents

Shortleaf/Loblolly Thinning Guides

Shortleaf Pine Thinning Guide - Trees 4" D.B.H. & Over Leave Basal Area (Sq.ft.) for Site Index

Loblolly Pine-Thinning Guide- Trees 4" D.B.H & Over Leave Basal Area (Sq.ft.) for Site Index

Age	40	50	60	70	80	90
20				58	70	80
25		55	69	82	88	91
30	55	72	85	92	93	95
35	68	83	92	94	96	97
40	77	89	93	95	97	98
45	82	90	93	95	97	98
50	84	91	93	96	97	99
60	86	91	94	96	97	99

Age	60	70	80	90	100	110
15					58	63
20		61	67	72	76	81
25	66	73	78	82	85	89
30	74	80	83	87	90	95
35	79	84	87	89	93	98
40	83	86	89	92	96	100
45	85	88	91	94	97	102
50	87	89	92	95	99	104
55	88	91	93	96	100	105
60	89	92	95	97	101	106

Age	40	50	60	70	80	90
20				58	70	80
25		55	69	82	88	91
30	55	72	85	92	93	95
35	68	83	92	94	96	97
40	77	89	93	95	97	98
45	82	90	93	95	97	98
50	84	91	93	96	97	99
60	86	91	94	96	97	99

Age	60	70	80	90	100	110
15					58	63
20		61	67	72	76	81
25	66	73	78	82	85	89
30	74	80	83	87	90	95
35	79	84	87	89	93	98
40	83	86	89	92	96	100
45	85	88	91	94	97	102
50	87	89	92	95	99	104
55	88	91	93	96	100	105
60	89	92	95	97	101	106

Service Forester's Handbook

User Tools

Site Tools

Table of Contents

Shortleaf/Loblolly Thinning Guides

Shortleaf Pine Thinning Guide - Trees 4" D.B.H. & Over Leave Basal Area (Sq.ft.) for Site Index

Loblolly Pine-Thinning Guide- Trees 4" D.B.H & Over Leave Basal Area (Sq.ft.) for Site Index

Page Tools

Age	40	50	60	70	80	90
20				58	70	80
25		55	69	82	88	91
30	55	72	85	92	93	95
35	68	83	92	94	96	97
40	77	89	93	95	97	98
45	82	90	93	95	97	98
50	84	91	93	96	97	99
60	86	91	94	96	97	99

Age	60	70	80	90	100	110
15					58	63
20		61	67	72	76	81
25	66	73	78	82	85	89
30	74	80	83	87	90	95
35	79	84	87	89	93	98
40	83	86	89	92	96	100
45	85	88	91	94	97	102
50	87	89	92	95	99	104
55	88	91	93	96	100	105
60	89	92	95	97	101	106