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sustainable forest management - Forestry Tasmania

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3. Ecosystem health and services<br />

Table 3.1. Area, ownership and tenure of the plantations inspected during the annual <strong>forest</strong> health surveillance program.<br />

Plantation estate 2005/06 2006/07 2007/08<br />

P. radiata (joint venture in state <strong>forest</strong>s) 43,500 46,500 49,000<br />

Eucalyptus (FT in state <strong>forest</strong>s) 39,253 40,736 44,389<br />

Eucalyptus (joint venture or lease in state <strong>forest</strong>s) 18,401 20,399 23,157<br />

Eucalyptus (private off state <strong>forest</strong>s) 0 8,524 18,599<br />

Table 3.2. Areas with moderate and severe damage<br />

Plantation type Area monitored (ha) Damage agent Area affected (ha)<br />

Hardwood plantation 52,700 Disease 0<br />

Invertebrates 379<br />

Vertebrates 88<br />

Weeds 49<br />

Site conditions 1,340<br />

Weather 423<br />

Nutrient 99<br />

Multiple causes 507<br />

Mechanical 0<br />

Softwood plantation 53,200 Nutrient 0<br />

Disease 816<br />

Invertebrates 0<br />

Vertebrates 687<br />

Multiple causes 0<br />

Mechanical 35<br />

Weather 166<br />

Other 126<br />

57

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