California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands •...
Transcript of California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands •...
![Page 1: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/1.jpg)
California’s Diverse Vegetation Part 2
GEO 351 Dr.Garver
![Page 2: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/2.jpg)
Map of Biomes and Climate Principal Biomes
![Page 3: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/3.jpg)
Floristic Provinces Map
Floristic Provinces
![Page 4: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/4.jpg)
Deserts of N. America
![Page 5: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/5.jpg)
Desert Scrublands
• “Rainshadow Biome”
• Less than 10 in/yr rain
• T regularly above 110 deg F in summer
• Below freezing at night in winter
• Drought adapted plants
• Open space between plants
• Sagebrush, Creosote, Sage, Mesquite
• Saguaro, Agave, Fan Palms
![Page 6: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/6.jpg)
Desert vegetation
Joshua Tree
Ocotillo
![Page 7: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/7.jpg)
Desert vegetation
Creosote
Prickly Pear
![Page 8: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/8.jpg)
Desert vegetation
Yucca
Barrel Cactus
![Page 9: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/9.jpg)
Palm Springs Hike
![Page 10: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/10.jpg)
Palm Springs Hike
![Page 11: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/11.jpg)
Palm Springs Hike
![Page 12: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/12.jpg)
Palm Springs Hike
![Page 13: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/13.jpg)
Palm Springs Hike
![Page 14: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/14.jpg)
Palm Springs Hike
![Page 15: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/15.jpg)
Palm Springs Hike
![Page 16: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/16.jpg)
Palm Springs Hike
![Page 17: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/17.jpg)
Death Valley
![Page 18: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/18.jpg)
Mojave desert
Mojave Desert – Big Horn Sheep
![Page 19: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/19.jpg)
Mojave desert
Mojave Desert – Silver Fox
![Page 20: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/20.jpg)
Principal Biomes
![Page 21: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/21.jpg)
Chaparral and Coastal
Shrublands
Chaparral by County (in acres)
San Diego 1,003,441 Los Angeles 553,789 Riverside 499,160 Santa Barbara 440,645 San Luis Obispo 417,718 Monterey 369,345 Ventura 326,447 San Bernardino 276,010 San Benito 246,623 Santa Clara 188,427 Orange 111,550 Marin 37,566 San Mateo 36,152 Santa Cruz 32,328
![Page 22: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/22.jpg)
Chaparral and Coastal Shrublands
• CA’s version of Mediterranean vegetation
• Thick, evergreen scrub
• Concentrated (though mixed) on W and SW slopes
of Coastal Mts.
• Fire climax community
• Manzanita, sumac, ceonothus, purple sage, scrub
oak
• Precip. 10 to 25 in/yr
![Page 23: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/23.jpg)
Chaparral Mosiac
Chaparral Mosaic
![Page 24: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/24.jpg)
Santa Barbara
![Page 25: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/25.jpg)
Santa Barbara
![Page 26: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/26.jpg)
Santa Barbara
![Page 27: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/27.jpg)
Simi Valley
![Page 28: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/28.jpg)
Simi Valley - New Houses
![Page 29: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/29.jpg)
Simi Valley – Sed. Rocks
![Page 30: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/30.jpg)
Simi Valley
![Page 31: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/31.jpg)
Manzanita
![Page 32: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/32.jpg)
Most flammable vegetation in U.S.
• Many species well-adapted to fire
• Some encourage fire
• Ceanothus, has leaves that are coated with
flammable resins, seeds require intense heat
for germination, roots are specially adapted
to grow in areas recently burned.
![Page 33: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/33.jpg)
Fires
![Page 34: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/34.jpg)
Fires
Fire serves to replace older plants with younger,
more productive ones.
![Page 35: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/35.jpg)
210 Fwy
![Page 36: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/36.jpg)
Fires
View from CRS – Santa Ana winds blowing ash from Angeles fire
![Page 37: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/37.jpg)
Chaparral • Found where
– summers long and hot
– might not rain for half a year+
• plant community composed of small shrubs
and bushes that are adapted to fire.
• Hillsides covered by stiff bushes that grow
close together (~10 feet high).
![Page 38: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/38.jpg)
Chaparral • As bushes get older, dead wood accumulates
• Needs fire as part of their lives, species could
die out if fire didn't occur.
– shiny and waxy covering, seals in water.
– wax causes the leaves to burn hot in a fire.
![Page 39: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/39.jpg)
How can dying in a fire help?
• After the fire there is space to grow, water,
and sunlight for energy.
• Seeds may have been in the soil for years
– Special outer coat doesn't allow water to
cause the seed to sprout.
![Page 40: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/40.jpg)
• Some species of chaparral sprout from stumps.
– keep a lot of energy in their roots, and after the
top of the plant burns off, they simply sprout
new leaves and branches.
– In this way, some plants may survive many
fires, and could be hundreds of years old.
Resprouting
![Page 41: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/41.jpg)
Mixed chaparral above oak woodland - Malibu Creek State Park.
![Page 42: California’s Diverse Vegetation Part 2sagarver/GEO351/veg_part2.pdf · Desert Scrublands • “Rainshadow Biome” • Less than 10 in/yr rain • T regularly above 110 deg F in](https://reader033.fdocuments.us/reader033/viewer/2022043023/5f3e8a47a2599f4a674cc4be/html5/thumbnails/42.jpg)
Ceanothus Chaparral - San Mateo Wilderness, Cleveland National Forest.