Acterra\'s Habitat Restoration PPT
24
ACTERRA’S STEWARDSHIP PROGRAM
-
Upload
guestb9d3bb -
Category
Technology
-
view
21 -
download
1
description
Transcript of Acterra\'s Habitat Restoration PPT
ACTERRA’SSTEWARDSHIP PROGRAM
What is Stewardship?
Protecting the earth
Preserving land
Restoring habitat
Parks vs. Pavement, Rooftops, Lawns…
Preserving LandPearson-Arastradero Preserve, Palo Alto
Habitat Restoration
Helping land heal from past uses:Grazing
Logging
AgricultureInvasive speciesRoads, buildings…
How have people used this land?
Early California
How do people use the land?California Today
Problems and Solutions
Too much concrete and asphaltErosion of soilToo few native plantsToo many weeds (invasive plants)PollutionLittle or no wildlife
Use less and remove concrete and asphalt
Plant bare slopes Plant a variety of
natives Weed the invasives Use cars less, don’t use
pesticides… If you solve other
problems, wildlife will come
Impacts Solutions
WHY?
Ethical: For your grandkids! What would the world be like if there were no trees?
Ecological: For plants, bugs, bunnies and birds! For bobcats, coyotes and snakes!
Economic: For you and me—what does nature give us?
Nature gives us…
Biodiversity
Different plants as habitat and food
Different animals to eat the plants and each other
If one species disappears, another can serve its purpose
Definition: The number of different types of living things in a community
Healthy communities have lots of diversity
Who Depends on Whom?
Habitats and CommunitiesWhat is a habitat?
An animal’s home
What is a community?
Like human community, it is all the characters (in this case, plants and animals) that live in one area
Example: a chaparral community
How is a community different from an ecosystem?
Miniature LupineMiniature Lupine
California Poppy-CA State flowerCalifornia Poppy-CA State flower
Grassland
Purple Needle Grass - CA State GrassPurple Needle Grass - CA State GrassWet Meadow RyeWet Meadow Rye
Bush MallowBush Mallow
Western Tiger SwallowtailWestern Tiger Swallowtail
Black-shouldered KiteBlack-shouldered Kite
WHO ELSE??
Coast Live OakCoast Live Oak
Valley OakValley Oak
Did you know that over 100
species use one oak
tree?
Oak Woodlands
Western BluebirdWestern Bluebird
Acorn WoodpeckerAcorn WoodpeckerDeer MouseDeer Mouse
Other Communities
Invasive Plants Destroy Diversity
Italian ryeItalian rye
Ripgut BromeRipgut Brome
Wild oatWild oat
• No native herbivore evolved to No native herbivore evolved to eat themeat them
• Out-compete native plantsOut-compete native plants
• Take up space, soil and waterTake up space, soil and water
• Most not used by wildlifeMost not used by wildlife
Invasive Plants: Non-native Grasses
Invasive Plants--thistles
Poison Hemlock (Conium maculatum) Poisonous to people and animals
Blue Wild RyeBlue Wild Rye
Purple Needle Grass - CA State GrassPurple Needle Grass - CA State Grass
Wet Meadow RyeWet Meadow Rye
Native Bunch Grasses
Forage for mammalsForage for mammalsSeed for rodents and Seed for rodents and birds.birds.Perennial--stay green Perennial--stay green longer and reduce fire longer and reduce fire risk.risk.Space between them Space between them allow flowers and tree allow flowers and tree seeds to germinateseeds to germinateProvide cover for Provide cover for other saplings and other saplings and seedlings.seedlings.
Pearson-Arastradero Restoration Projects: Pearson-Arastradero Restoration Projects: Bressler-Arastradero Riparian Corridor ProjectBressler-Arastradero Riparian Corridor Project
Acterra’s Restoration Efforts
Hundreds of volunteers work Hundreds of volunteers work thousands of hours each year thousands of hours each year by:by:Removing invasive plantsRemoving invasive plantsPlanting and caring for native Planting and caring for native
plantsplantsSpreading mulchSpreading mulch
See you at the Preserve!
Contact usActerra: Action for a Sustainable EarthActerra: Action for a Sustainable Earth
3921 East Bayshore Road3921 East Bayshore RoadPalo Alto, CA 94303Palo Alto, CA 94303
Sheri LubinSheri Lubin650.962.9876 ext.347650.962.9876 [email protected]@acterra.org
Miriam Sachs MartMiriam Sachs Martíínn650-962-9876 ext. 315650-962-9876 ext. [email protected]@acterra.org
Claire ElliottClaire Elliott650.962.9876 ext.311650.962.9876 [email protected] [email protected]
www.arastradero.orgwww.arastradero.orgwww.acterra.orgwww.acterra.org
