Presence/Infestation
The indicators of Xylosandrus presence/infestation are obtained by means of integration of remote sensing and ground information.
2019
XYLOSANDRUS INSECTS IN MONITORING TRAPS
6053
 (103 total traps)
NORMALIZED PRESENCE AREA SIZE (m2)
 
NO PRESENCE
232
 
LOW PRESENCE
296
 
MEDIUM PRESENCE
51
 
HIGH PRESENCE
24
 
TOTAL PRESENCE
371
NORMALIZED DENSITY OF INFESTED PLANTS
NUMBER OF PLANTS (n/ha)
0.0067
WOOD VOLUME (m3/ha)
0.51
HIGHLY STRESSED AREA SIZE (ha)
561.54 ha *
* value reported for Circeo Park only
2020
XYLOSANDRUS INSECTS IN MONITORING TRAPS
2221
 (224 total traps)
NORMALIZED PRESENCE AREA SIZE (m2)
 
NO PRESENCE
382
 
LOW PRESENCE
178
 
MEDIUM PRESENCE
46
 
HIGH PRESENCE
19
 
TOTAL PRESENCE
243
NORMALIZED DENSITY OF INFESTED PLANTS
NUMBER OF PLANTS (n/ha)
0.0067
WOOD VOLUME (m3/ha)
0.51
HIGHLY STRESSED AREA SIZE (ha)
3310.24 ha
2021
XYLOSANDRUS INSECTS IN MONITORING TRAPS
3187
 (195 total traps)
NORMALIZED PRESENCE AREA SIZE (m2)
 
NO PRESENCE
323
 
LOW PRESENCE
237
 
MEDIUM PRESENCE
41
 
HIGH PRESENCE
14
 
TOTAL PRESENCE
292
NORMALIZED DENSITY OF INFESTED PLANTS
NUMBER OF PLANTS (n/ha)
0.0065
WOOD VOLUME (m3/ha)
0.49
HIGHLY STRESSED AREA SIZE (ha)
3205.75 ha
2022
XYLOSANDRUS INSECTS IN MONITORING TRAPS
--
 (-- total traps)
NORMALIZED PRESENCE AREA SIZE (m2)
 
NO PRESENCE
--
 
LOW PRESENCE
--
 
MEDIUM PRESENCE
--
 
HIGH PRESENCE
--
 
TOTAL PRESENCE
--
NORMALIZED DENSITY OF INFESTED PLANTS
NUMBER OF PLANTS (n/ha)
--
WOOD VOLUME (m3/ha)
--
HIGHLY STRESSED AREA SIZE (ha)
--
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