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In the past the landscapes of these parks were regularly shaped by fire. The positive results benefited both plants and animals, such as encouraging the regeneration of plants, which in turn can benefit wildlife. After decades of fire suppression the landscape has severely changed, but efforts have been made to once again allow fire to return to its place as part of the natural cycle in the Sierra Nevada. As the population of the state continues to increase and urban areas grow, so does the use of outdoor lighting. This has an environmental impact on dark skies. Where once dark skies provided the perfect backdrop to distant stars and planets, they now glow more from the lights of urban areas. By recording these changes and providing education, park staff can increase appreciation of the night skies and suggest ways that we all can take a more active role returning a natural glow to our night skies.
Because of the extreme elevation range in these parks, weather conditions vary widely between areas. In summer, the sequoia groves have comfortable temperatures and the foothills are hot and dry. Snow lingers on high-mountain passes well into summer. In fall, some areas close or reduce their hours. Winter brings snow to sequoia groves and rain to the foothills. Be prepared for tire chain requirements. Spring is a great time to hike in the foothills and snow begins to melt at higher elevations. |
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Last updated: August 3, 2018