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Table 2 Giant sequoia small seedling, large seeding, and sapling/small tree (<30 cm dbh) densities in retention harvest, wildfire, or control (no harvest or wildfire) stands at the Bearskin, Black Mountain, Case Mountain, and Redwood Mountain groves in the southern Sierra Nevada, California, USA. Wildfires occurred in 2008 (Black Mountain) and 1987 (Case Mountain, Redwood Mountain).

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

 

Bearskin

Black Mountaina

Case Mountaina

Redwood Mountaina

Size class

Harvest

Control

Harvest

Fire

Control

Fire

Control

Fire

Control

Small seedlings (no. per 100 m)

1.0*

0.0

0.5

0.3

0.0

24.0*

0.0

4.3*

0.0

Large seedlings (no. per 100 m)

4.6*

0.1

4.0

0.4

0.7

28.9*

0.0

24.8*

0.1

Small trees (no. per ha)

112.0*

0.0

150.0*

2.0

18

87.0*

3.0

289.0*

9.0

  1. a Wildfire severity was primarily low in the Black Mountain grove, moderate in the Case Mountain grove, and high in the Redwood Mountain grove.
  2. * Indicates retention harvest or wildfire stands that are significantly different (P < 0.05) from control stands.