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Land Management Plan - Part 2 Los Padres National Forest Strategy

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September 2005 <strong>Land</strong> <strong>Management</strong> <strong>Plan</strong> <strong>Part</strong> 2<br />

<strong>Los</strong> <strong>Padres</strong> <strong>National</strong> <strong>Forest</strong> <strong>Strategy</strong><br />

Research Natural Areas<br />

Established<br />

American Canyon 1,529 acres Places: Avenales<br />

The 1,529-acre American Canyon Research Natural Area is located within the Machesna<br />

Mountain Wilderness on the Santa Lucia Ranger District. Coulter pine occurs in abundance<br />

here<br />

as dispersed, generally even-aged stands of varying size and density. Fires swept through the<br />

southeast and northwest portions of the basin in 1921 and 1939 respectively. Most of the stands<br />

date back to those fires; however, ridgetop and canyon bottom stands spared from the fires<br />

contain older trees. The associated chaparral is dominated by chamise and Eastwood manzanita.<br />

An approved off-road vehicle trail runs along<br />

the east-west ridge of the basin. Other recreation<br />

use in the area consists<br />

mostly of hunting.<br />

Black Butte 940 acres Places: Cuesta<br />

This 940-acre RNA is situated on the steep, generally northwest-facing slopes of Cuesta Ridge in<br />

the Santa Lucia Wilderness. Knobcone pine-chaparral is the target vegetation type and is found<br />

on north and northeast slopes as scattered groves and occasional continuous areas. Chaparral<br />

species, principally chamise, manzanita, and the sensitive Santa Lucia manzanita occupy the<br />

areas between pine stands. The intermittant streams that drain into the Black Butte RNA support<br />

riparian vegetation composed of coast live oak, California bay, tanoak, and bigleaf maple. There<br />

are no trails located within the RNA.<br />

San Emigdio Mesa 1,239 acres Places: Mt. Pinos<br />

The San Emigdio RNA encompasses 1,239 acres of a large alluvial fan, dissected by several<br />

intermittent stream channels and gullies on the Mt. Pinos Ranger District. The target vegetation<br />

type is pinyon-juniper woodland. Pinyon pine (the dominant tree species) averages 15 to 20 feet<br />

in height and is evenly distributed over the entire area in low to moderate densities. Of the three<br />

common brush species (California juniper, big sagebrush, and dwarf oak), dwarf oak is by the far<br />

the most abundant. Some hunting may occur in the area, but there are no hiking or off-road<br />

vehicle trails through the RNA.<br />

Cone Peak Gradient 2,734 acres Places: Big Sur<br />

The Cone Peak Gradient RNA (a 2,734-acre area) is remarkable for its ecological diversity.<br />

Within a three-mile horizontal distance inland from the Monterey coast, the mountains rise from<br />

sea level to 5,000 feet. The resulting elevational and climatic gradient has 12 plant communities<br />

including canyon live oak woodland, mixed evergreen forest, coast live oak woodland, coast<br />

redwood and chaparral. The RNA lies within the Ventana Wilderness, and several trails traverse<br />

the area.<br />

Page 95

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