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結果 : are redwood trees protected
7:58

Redwoods Shouldn't Be So Tall. Here's Why They Are

PBS Terra
478,090 回視聴 - 1 年前
3:01

How Redwood Trees Protect the Planet: Ecological Benefits | Nature’s Superheroes Saving Our Planet

Gardening Story
118 回視聴 - 1 か月前
5:20

California's mighty Redwood trees in need of help, only 5% of original forest still stands

CBS 8 San Diego
1,398 回視聴 - 3 年前
10:49

Why the World's Tallest Tree is Kept Hidden

Aidin Robbins
3,658,924 回視聴 - 1 年前
13:55

How California Redwoods Grow So Tall

National Park Diaries
35,577 回視聴 - 1 年前

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2:20

Uncovering the Truth About Tree Roots

Leaf & Limb
17,187 回視聴 - 1 年前
8:54

San Vicente Redwoods - A Promise of a Protected Landscape

Peninsula Open Space Trust - POST
1,031 回視聴 - 9 年前

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7:38

How To Protect Plants From Hot Weather (Redwoods)

John & Bob's Smart Soil Solutions
4,325 回視聴 - 4 年前
4:26

What is a redwood tree?

San Joaquin County Office of Education
1,182 回視聴 - 4 年前

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28:26

How old-growth forests protect our climate | DW Documentary

DW Documentary
68,641 回視聴 - 6 か月前
5:30

Protecting Peters Creek Redwoods

Peninsula Open Space Trust - POST
839 回視聴 - 11 年前
4:35

The Race to Protect Giant Sequoia Trees From CA Wildfires

NowThis Earth
3,912 回視聴 - 3 年前
45:49

The Tallest Trees on Earth - 4K Nature Documentary Film | Redwood National and State Parks

4K Relaxation Channel
1,833,703 回視聴 - 7 年前
10:46

One Man’s Mission to Revive the Last Redwood Forests | Short Film Showcase

National Geographic
2,135,502 回視聴 - 8 年前
2:04

Protecting iconic sequoia trees in Yosemite National Park

KIFI Local News 8
67 回視聴 - 2 年前
0:48

Protecting Redwood Trees in Northern California

Humboldt County
12 回視聴 - 1 年前