ISSN 2330-717X

Decline In Black Cherry Regeneration May Herald Wider Forest Change

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In the heart of black cherry’s native range, including a part of the Allegheny Hardwoods that bills itself as the “Black Cherry Capital of the World,” the tree’s regeneration, growth and survival have all been declining for more than a decade. In a new analysis, a team of USDA Forest Service and University of Missouri scientists identify likely factors behind the tree’s decline and, more significantly, conclude that black cherry may be the tip of the iceberg in terms of change in eastern deciduous forests.

Scientists used a combination of synthesis of existing research and new analyses to examine the leading hypotheses for black cherry’s regeneration failure. They conclude that the two factors that are most likely contributing to declining abundance of black cherry are an increase in pathogens and less nitrogen deposition in soil.

“We began this project wanting to narrow down the potential drivers behind the change in black cherry; what we found is that this may be a story of change on a much bigger scale, with mixed species forests in the coming century likely to reflect the response of many individual tree species to changing environmental conditions, biotic stressors, and their interactions,” said Alejandro Royo, a research ecologist with the Northern Research Station and the study’s lead author.

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