restoring connectivity to southern california · 2008-11-13 · restoring connectivity to southern...
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![Page 1: Restoring Connectivity to southern California · 2008-11-13 · Restoring Connectivity to southern California Kristeen Penrod, Conservation Director, SC Wildlands. 2 November 2000](https://reader033.vdocuments.mx/reader033/viewer/2022060410/5f1064467e708231d448e1c3/html5/thumbnails/1.jpg)
South Coast Missing LinkagesRestoring Connectivity to southern California
Kristeen Penrod, Conservation Director, SC Wildlands
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2 November 2000
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Missing Linkages ConferenceSan Diego Zoo, November 2000
Identified Connections Among Protected Areas:
232 linkages 8 ecoregions
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Missing Linkages Conference: South Coast Ecoregion
• 60 linkages within the ecoregion• 7 linkages to other US ecoregions• 2 linkages to Baja California
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18 Jan 2002 – Linkage Prioritization workshop
Of the 69 linkages, 22 scored high on Irreplaceability, as defined by:
• size of wildlands connected
• quality of habitat in the smaller wildland
• (restorable) quality of habitat in the linkage
• contribution to other linkages in a chain
(Pressey et al. 1994, Pressey and Taffs 2001, and Noss et al. 2002)
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Linkage Prioritization Workshop: South Coast Missing Linkages
Vulnerability:Of 22 highest value linkages, 15 rated highly vulnerable to road and development impacts.
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South Coast Missing Linkages Project
Build Partnerships!!
Prioritize the Linkages
Select focal species
(2002 Workshops)
Conservation Design: GIS Analyses & Field Work
Conservation Delivery
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Viability depends on connectivity Connectivity depends on partnerships
Santa Monica Mountains Conservancy
CaliforniaResources Agency
South Coast Missing Linkages
MOUNTAIN LIONFOUNDATIONSaving America’s Lion
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Biological Foundation Workshops – 5 workshops, 15 linkages
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Tom Oberbauer:plants
Kathy Williams:invertebrates
Phil Unitt:birds
Esther Rubin:bighorn
Ken Logan:puma
Talks in the morning
Taxonomic workgroups select focal species in the afternoon
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Steve LoeSan Bernardino NF
Select Focal Species
• Umbrella species (area-sensitive, sensitive to barriers)
• Range of vagilities & habitat affinities
• Species that need corridors AND species that the corridor needs.
Paul BeierSCWP & NAU
Focal Species Approach (Beier & Loe 1992)
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Plants Birds
Invertebrates
Fish, Amphibians,
Reptiles
Illustrations by Toni Inman, David Lee
Select a Diversity of Species
Mammals
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Mammals 17
Birds 20
Amphibians 5
Reptiles 12
Fish 4
Invertebrates 25
Plants 26
109 Focal Species Selected
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Conservation Design:GIS Analyses & Field Work
Landscape Permeability Analyses
Habitat Suitability Analyses
Patch Size Analyses
Field Investigations
Linkage Design
Configuration Analyses
=
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Landscape Permeability Analysis
Goal: Define area with lowest relative cost of travel for focal species between protected core areas
Walker and Craighead 1997Craighead et al. 2001Singleton et al. 2002
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Least Cost Corridor for
Mountain Lion
Least Cost Corridor for
Mountain Lion
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Least Cost Corridor for
Mule deer
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Least Cost Corridor for
American badger
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Combine the output for all
species subject to landscape permeability
analysis
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Least Cost UnionEvaluate habitat
suitability, patch size, and
patch configuration for all focal species in
relation to the Union.
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Habitat Suitability, Patch Size, and Configuration Analyses
GOAL: Evaluate size and distance between suitable habitat patches in the Least-Cost Union for each focal species based on habitat quality, home range size, dispersal distance.
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Potential Cores and Patches for Mountain
lion
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Potential Cores &
Patches for Mountain
Lion
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Potential Cores &
Patches for Mule deer
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Potential Cores and Patches for American
badger
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Potential Cores and Patches for Dusky-footed
woodrat
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Potential Cores and Patches for
Cactus wren
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Potential Cores and Patches for
Western whiptail
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SMMC
Santa Monica-Sierra Madre Connection
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South Coast Wildland Network
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• Provide live in and move through habitat for multiple species.
• Support metapopulations of smaller species
• Ensure the availability of key resources
• Buffer against edge effects
• Allow natural process to operate
• Allow species and communities to respond to climatic changes
Goals of Each Linkage Design:
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South Coast Missing Linkages Ecosystem level mitigation
I 101
I 5
SR 58
SR 14
I 15
I 15
I 10
SR 118
I 8
SR 62
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San Antonio Creek joining the Ventura River.
Canton Canyon with TemplinHighway underpass at center
Coyote Canyon with riparian habitat in Cañada de Los Alamos in the foreground.
Smoky Bear bridged undercrossingnear Coyote Canyon
Proposed vegetated wildlife crossing
Field Work - Assess habitat quality, movement barriers and filters, and restoration opportunities.
Goal: Improveconnectivity, not just slow the losses!
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Conservation DeliveryConservation Delivery• California’s State Wildlife Action Plan • SCAG Open Space Element of Regional Comprehensive Plan.• Four Forests (Los Padres, Angeles, San Bernardino, and Cleveland)
Resource Management Plans.• BLM RMP for the South Coast Ecoregion.• San Diego County North County MSCP; East County MSCP• Western Riverside County MSHCP• Coachella Valley MSCP• Los Angeles County General Plan Significant Ecological Areas.• City of Santa Clarita Open Space Acquisition Group San Gabriel Castaic
Connection.• Santa Monica Mountains Conservancy priority acquisition areas.• The Nature Conservancy ecoregional plans• Caltrans Essential Habitat Connectivity Project
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Our approach is a bold step that we can implement now.
For more information: www.scwildlands.org