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Table 1 Management and fire history in the Bearskin, Black Mountain, Case Mountain, and Redwood Mountain groves in the southern Sierra Nevada, California.

From: Giant Sequoia Regeneration in Groves Exposed to Wildfire and Retention Harvest

Grove

Management treatmenta

Wildfire severityb

Wildfire year

Bearskin

Retention harvest, burning, planting

None

Before 1900

Black Mountain

Retention harvest, burning, planting

Low

2008

Case Mountain

None

Moderate

1987

Redwood Mountain

None

High

1987

  1. a Retention harvest included removal of all trees except 6 to 10 large diameter giant sequoia (one unit was clearcut in Bearskin grove) followed by prescribed or pile burning. Focal species for planting included giant sequoia in Bearskin grove and ponderosa pine in Black Mountain grove.
  2. b Fire severity class is based on tree mortality in the study area: low (<25 % mortality), medium (25 % to 75 %), and high (>75 %).