Sergio Franco Maass

Effect of human disturbance on the structure and regeneration of forests in the Nevado de Toluca National Park, Mexico

Sample plots were established in the principal forest types in the the Nevado de Toluca National Park, Mexico including those dominated by Pinus hartwegii, Abies religiosa, Quercus laurina and Alnus jorullensis. The vertical structure was defined by three strata in the coniferous forests and two strata in the broadleaved forests. Timber harvesting in Abies religiosa and Quercus laurina forests and fires generated by humans in Pinus hartwegii forests impeded the recruitment of saplings. Mature trees were also heavily impacted by logging in Pinus hartwegii forests. On the contrary, Alnus jorullensis forests were increasing due to the disturbance of Pinus and Quercus forests, as well abandoned crop lands within the park. A combination of logging, uncontrolled fire, and grazing appears to be compromising the recruitment of important tree species in this national park. These factors, together with human settlements, have also increased the proportion of early successional species. Changes in forest structure from human disturbance indicate a need to control these activities if conservation goals are not to be compromised.

Erratum to: DOI duplications

Eight articles in Journal of Forestry Research were published online but then became inaccessible when a technical error led to eight other articles being published with the same DOIs. They were then republished under new DOIs, as listed below: Article: Anthropogenic disturbances and status of forest and wildlife in the dry deciduous forests of Chhattisgarh state in India Original Article: Characterization of 14 anonymous nuclear loci in Pinus thunbergii and their cross-species transferability Original The publisher sincerely apologizes to all concerned and regrets the inconvenience caused.