EDGEWOOD PARK PLANNING THE PROJECT & PRESERVE Write up plan - PDF document

Control of Blue Gum Eucalyptus in Coastal California Workshop Coastal Training Program Elkhorn Slough National Estuarine Research Reserve EDGEWOOD PARK PLANNING THE PROJECT & PRESERVE • Write up plan San Mateo County Parks – Three year plan-different size group each year and Recreation Division (8”less, 9” to 24”, trees greater then 24”) – Restoration of sensitive habitat BLUE GUM EUCALYPTUS – Grant funding- S.M. Co. Agriculture – Adjustment after first year GROVE A&B PROJECT • Permits – Caltrans right-of-way access – Traget - Pest Control Recommendation PLANNING THE PROJECT Grove A & B • Meetings • Before- tree cutting of Eucalyptus Trees in – Permit agencies ( PG&E power lines, Caltrans, Pest Grove A&B prescription ) • Grove A- very dense – Environmental Concern groups • Support Groups – San Mateo County Agriculture – Friend of Edgewood – California Native Plant Society – Sequoia Audubon Society CONTRACT BID Dave Tree Service • Davey Tree for year 2002 and 2004 • September 2002 Davey Tree Service – One day project, lowest bid, did not need to use Caltrans right-of- cutting and chipping way permit trees. Did not treat • West Coast Wildlands stumps with herbicide. – Re-cut and treat stumps San Mateo County Parks Project 1

Control of Blue Gum Eucalyptus in Coastal California Workshop Coastal Training Program Elkhorn Slough National Estuarine Research Reserve Stumps Not Treated TREES TAKEN OUT • Within a month the • September 2002- 8 inches and less suckers started approximately 188 trees, not counting small growing vigorously suckers • Immediately after • September 2003-West Coast Wildlands re- cutting of trees, cut stumps and treatment with Sucker- funding eliminated Stopper RTU-Grove A-320, B-149 ( treated 469 • Park staff unable to stumps ) keep up with cutting back growth • May 2004; Davey Tree Grove A- 20 trees 9 Sucker-Stopper (RTU) inches- stumps treated with 50 - 100% solution of Roundup Pro 524-475 • Suckers growing • Sept 2004; Park Staff Grove B-24 trees 9 below the treated area inches- stumps treated with 50 - 100% • Some of the suckers solution of Roundup Pro 524-475 start to wither Round-Up Pro Trees Left • Stumps treated- no • Grove A -4 trees less sucker growth then 11 inches, 10 -11 to 12 inches, 10 larger • Solution on treated then 12 but less then 4 stumps may affect feet other tree by the root systems • Grove B- 3 trees less then 11 inches, 8- 11 to 12 inches, 1- 4 feet San Mateo County Parks Project 2

Control of Blue Gum Eucalyptus in Coastal California Workshop Coastal Training Program Elkhorn Slough National Estuarine Research Reserve NATIVE RESTORE PURPOSE Sensitive Habitat • Stuart Weiss Bay Checkerspot Butterfly • Dr. Stuart Weiss study plots. study plots • Vehicle entrance path • Serpentine grassland restore • Re-introduce butterfly • Exotic non-native weed/tree eradication MONITORING • Eradicate; – new eucalyptus seedlings – suckers growth from stumps – non-native plants • Record type of native plants germinating San Mateo County Parks Project 3