Forest Health Highlights in Iowa, 2011

摘要

Each year the Iowa DNR Bureau of Forestry cooperates with numerous agencies to protect Iowas forests from insects, diseases, and other damaging agents. These programs involve ground and aerial surveys, setting up sentinel trees, setting up pheromone traps, following transects for sampling, collecting samples for laboratory analysis, and directing treatments for specific problems during the growing season. After each growing season, the Forestry Bureau issues a summary report regarding the health of Iowas forests. This years report begins with a brief summary of weather events, Iowas land characteristics, and several survey summaries for insects, diseases, and invasive plants that have the potential to impact the health of Iowas forests. The 2011 Forest Health Highlights will focus first on the Forest Services Twenty Major Forest Insect and Disease List (Page 3) and then covers the additional damaging agents that IDNR surveyed.