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The Headwaters Forest Reserve is a group of old growth coast redwood (Sequoia sempervirens) groves in the Northern California coastal forests ecoregion near Humboldt Bay of the U.S. state of California. Comprising about 7,472 acres (30.24 km 2), it is managed by the Bureau of Land Management (BLM) as part of the National Landscape Conservation ...
Redwoods have existed along the coast of northern California for at least 20 million years and are related to tree species that existed 160 million years ago in the Jurassic era. [95] About 96 percent of the world's old-growth coast redwood forest has been logged, [89] and almost half (45 percent) of what remains is in the RNSP. [96]
The northern spotted owl primarily inhabits old-growth forests in the northern part of its range (Canada to southern Oregon) and landscapes with a mix of old and younger forest types in the southern part of its range (the Klamath region and California). Old-growth forests are often biologically diverse, and home to many rare species, threatened ...
Most of the redwoods in the monument are between 500 and 800 years old. The oldest is at least 1,200 years old. Other tree species grow in the understory of the redwood groves. Three of the most common are the California bay laurel, the bigleaf maple and the tanoak. Each of these species has developed a unique adaptation to the low level of ...
The Redwood Grove comprises old-growth "virgin" redwoods, the oldest trees of which are approximately 1,400–1,800 years old and grow to approximately 300 feet (91 m) tall and over 16 feet (4.9 m) in diameter. Referred to by locals as "the loop," the grove is primarily a self-guided walk—but on most summer weekends, and many other times year ...
This would make California's oak woodlands some of the most extensive old growth forests left in the state. However, most oaks of full tree size are more than one hundred years old, and few saplings are ever produced, because cattle often tear the plants to pieces. [2] The Oaks 2040 survey estimates that 750,000 acres (3,000 km 2) of California ...
Humboldt Redwoods State Park is a state park of California, United States, containing Rockefeller Forest, the world's largest remaining contiguous old-growth forest of coast redwoods. It is located 30 miles (48 km) south of Eureka, California , near Weott in southern Humboldt County , within Northern California , named after the great German ...
The coast of California north of San Francisco contains the Northern California coastal forests (as defined by the WWF) and the southern section of the Coast Range ecoregion (as defined by the EPA). This ecoregion is dominated by redwood forest , containing the tallest and some of the oldest trees in the world.