Tree species richness increased by clearcutting of northern hardwoods in central New York

摘要: Abstract Data collected by periodic remeasurement of permanent plots within five northern hardwood stands in central New York descirbe changes species composition natural regeneration during a 20-year period following clearcutting. Regeneration developed from the upgrowth advance seedlings, emergence new germinants, and stump sprouts. Findings indicate that stand prior to cutting, forest around site, influenced relative importance each source species. As developed, its changed reflect characteristics source, different species' growth rates. Advance seedlings sprouts helped maintain shade-tolerant species, germinants proportions shade-intolerant intermediate The latter groups persisted due better rates height at light levels created