Monday, October 24, 2016

CA-YNP Yosemite Mariposa Grove Prescribed Fire and Lakes Fire [MAP]

Yosemite Fire Update #12
October 23, 2016
Inline image 1
Ignition of unit 14 Mariposa Grove 10/23/16

Yosemite Fire Report Mariposa Grove Prescribed Fire and Lakes Fire
Yosemite Mariposa Grove – Prescribed Fire
MARIPOSA GROVE – Prescribed Fire
Mariposa County

Ignitions of the Mariposa Grove prescribed fire continued this past weekend with an additional 36 acres completed in the upper grove. The project consists of 137 total acres, of which 75 acres have been completed over the last couple weeks. Fire personnel will continue to monitor and patrol the grove area. The Grove is currently closed to the public because of a major restoration project; burning at this time minimizes impacts to public use.

Smoke will be present during this project. Smoke, affecting health, is always a consideration in the decision to schedule prescribed fires. Community members and visitors who are sensitive to smoke may way to close their windows and doors and/or consider leaving the area during ignition of the project in order to reduce exposure.

The objective of this prescribed fire is ecosystem restoration. Historically, natural fire burned an average of 16,000 acres annually in Yosemite National Park and played an integral role in shaping Yosemite’s ecosystem. Yosemite’s Fire Management Program works to balance the protection of life, property and natural and cultural resources with the continuation of fire as a natural process. Applying fire under prescribed conditions mimics the frequent, low intensity, lightning caused fires.

Burning in the Mariposa Grove is a continuous process; the targeted areas have had 1-3 prescribed fires in the past 30 years, and continued burning is required to maintain healthy forest conditions. Fire produces the optimum conditions for Giant Sequoia reproduction and propagation. Fire not only removes the accumulated layers of dead woody debris, exposing nutrient rich mineral soil, but dries the cones allowing the seeds to shed. Fire also creates holes in the forest canopy, while eliminating shade tolerate competition.

LAKES – 37 35.6 x 119 33.6 approximate 8000 feet elevation
Mariposa and Madera Counties

The Lakes Fire in the Chilnualna Lakes area, between Turner Meadow and Buena Vista Peak, is a lightning caused fire that is being managed for multiple objectives. A ground reconnaissance was completed by Yosemite Crew-1 members earlier this week and reported the fire to be 1,001 acres. The fire had previously spread to the area of the 1999 Chil Fire area and has been most active on the west, north and northeast edge of the perimeter. Smoke has been visible from various locations within the park and surrounding area.

A trail closure is effective as of August 25, 2016, as the fire crossed the trail along Chilnualna Creek. The trail section between Turner Meadow (beyond the top of Chilnualna Fall) and Buena Vista Lake is included in the closure.

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