Why are redwoods disappearing?

Some of the modern-day threats to redwoods include climate change; human land uses not compatible with forest health (such as development and conversion to vineyards); intense fires; people's increasing detachment from nature; illegal marijuana cultivation; and burl poaching.



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Due to logging and development a mere five percent of California's original old-growth coast redwood trees remain. As a result, these magnificent trees are listed as “endangered” by the International Union for Conservation of Nature.

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1: Redwoods Only Grow on the Northern Pacific Coast Slowly, over time, climate change and coastal rain patterns limited redwood forests' range to their current boundaries. If you travel inland more than twenty-five miles inland the redwoods start to thin out.

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Fewer than 120,000 acres, or 5 percent, of the original redwood forest remains today. It's a tragedy to have lost most of the ancient redwoods; however, science-based forest restoration holds the key to bringing back what we've lost.

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They Live for Thousands of Years Although a redwoods' ability for a long lifespan contributed to its Latin name, Sequoia sempervirens—sempervirens means evergreen or everlasting” in Latin—most of the remaining redwoods in the Santa Cruz Mountains are “second-growth”, about 50-150 years old.

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North Coast, Humboldt County, California Just south, this California coastal area is often called Redwood Country thanks to its thriving forests. The area is home to 45 percent of the remaining old-growth redwoods in California, and Redwood National and State Parks shelters some of the tallest trees on Earth.

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Drought and other stressors are tough on redwoods, but they can bounce back.

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As the climate changes, scientists predict that the range and character of redwood forests in the Santa Cruz mountains will change too. Some areas that have redwoods today could become too hot and dry to support them in the future.

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Only 5% of Redwoods are Left Because redwoods are extremely resistant to insects, fire and rot, they are treasured for building and 95% of them have been cut down since the 1850s 26.

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Approximately 300 trees will be planted in 2022, and 700 in both 2023 and 2024. Humboldt State University student volunteer Sara Bandali preps a seedling for planting. Photo by National Park Service.

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