Wood production from a Pinus taeda L. stand attacked by Sapajus nigritus
DOI:
10.34062/afs.v9i2.13318Abstract
This study aims to assess the impact of damage caused by Sapajus nigritus Kerr (1792) on dendrometric variables and wood production in a Pinus taeda L. stand located in Bocaina do Sul, Santa Catarina, Brazil. To do so, 46 circular plots with a radius varying from 5 to 10 m were installed, in which the circumference at breast height, the total height of all trees, and the lowest height and length of damage caused by monkeys were measured. Of the 675 measured trees, 223 showed evidences of some type of damage, including “girdling” and “windowing”. The girdling damage caused by capuchin monkeys was more acute and compromised 8.64 m³.ha-1, while windowing affected 3.23 m³.ha-1. The loss was equivalent to R$ 1,460,875 for the assessed 236 ha pine plantation. The gross value of the average production for undamaged trees was R$ 22,928 ha-1 while for damaged trees it was R$ 10,693 ha-1. These results demonstrate the impact of this type of predation on P. taeda and the importance of quantifying and characterizing the damage as a basis for defining actions related to the management of plantations.
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