During the past four decades, declines of sugar maple have occurred throughout its range. Each decline event has been the subject of intense research.The declines were ephemeral, preventing a complete understanding of conditions and causes.The most recent decline in Pennsylvania was the impetus to organize an international symposium on sugar maple ecology and health. Speakers from the United States and Canada were invited to share their research and explore a variety of topics concerning sugar maple history and ecology, recent sugar maple declines, nutrient and beiowground dynamics in northeastern forests, and interactions of forest health with biotic and abiotic stressors. Posters also were contributed. Attending scientists, natural resource professionals, and land managers participated in two days of talks and discussions and a day-long field trip to sugar maple decline research sites in northwestern Pennsylvania and southwestern New York.
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Sugar maple height-diameter and age-diameter relationships are explored in abalanced uneven-aged northern hardwood stand in central New York.