Part One in a Series
San Luis Obispo County has no polar bears stranded on mini icebergs, no melting glaciers, no sinking island nations, no dissolving coral reefs – all effects caused by the growing instability of our climate. This doesn’t mean San Luis Obispo County will escape the effects of climate change. Although most of the more drastic effects are being seen and felt at the poles and the equator, environmental changes in the more temperate zones of the planet are becoming more noticeable.
Last Wednesday I attended an very intriguing workshop hosted by the Local Government Commission (LGC) in San Luis Obispo: SLO Climate Change Adaptation Workshop. LGC partnered with the National Center for Conservation Science & Policy (NCCSP) and Susanne Moser Research & Consulting in collaboration with the City and County of San Luis Obispo to develop and implement climate change adaptation strategies for the region through a grant from the Kresge Foundation. The strategies will help local leaders, decision-makers, and governments prepare for the impacts of climate change in a way that provides benefits across multiple sectors and systems. Our goal is to develop strategies that cohesively consider economics, health, culture, social needs, infrastructure, ecosystem services, and natural resources.
Last week’s daylong event included presentations on the effects and potential needs for adaptation to changes in San Luis Obispo County and breakout sessions where participants discussed the priorities for our county as we plan for the future. An abbreviated list of some of those in attendance:
David Church, Executive Officer, SLO LAFCO
Judy Corbett, Executive Director, Local Government Commission
Adam Hill, SLO County Supervisor
Ellen Carroll, Environmental Coordinator, SLO County Planning
Larry Allen, Air Pollution Control Officer, APCD
Ron De Carli, Executive Director, SLOCOG
Joy Fitzhugh, Legislative Analyst, SLO Farm Bureau
Marni Koopman, Ph.D., Climate Change Scientist, National Center for Conservation Science and Policy
Andrew Christie, Chapter Director, Sierra Club
Jan Marx, Council Member, SLO City Council
Chuck Stevenson, AICP, Long Range Planning for SLO County
Ray Weymann, Retired Astronomer
Michael Winn, Chair, WRAC and board member of Nipomo CSD
Paavo Ogren, Director, SLO County Public Works
Don Maruska, Strategy & Fisheries Policy Advisor, SLOSEA
Jerry Bunin, Government Affairs Director, Home Builders Association Central Coast
Maggie Macro, Initiating Team, Transition Paso Robles (one of about half a dozen Transitions members who were there)
Among the many others were residents of a number of communities and green business/energy folks. I was encouraged to see so many staff from many local non profit organizations and government agencies like SWAP, SLO County Housing Trust Fund, Caltrans, Creston Area Advisory Body, Los Osos CSD, Economic Vitality Corporation, ECOSLO, Central Coast Salmon Enhancement, Cal Poly, Cuesta, CA fish and Game, and planners from the cities of Atascadero, Arroyo Grande, San Luis Obispo, Paso Robles and Morro Bay.
The morning presentations set the stage and helped build a shared foundation of information about changes that are predicted for this county and what adaptations might be required. Starting with the Importance of Adaptation, a look at adaptation and the connection to City and County mitigation work, SLO Climate Change Projections, Climate Change Impacts on SLO Socioeconomic Systems and a review of the Top Socioeconomic Issues and Strategies.
Briefly, the top 10 concerns for species and ecosystems under climate change:
- Water withdrawals from groundwater basins and rivers are an urgent issue, regardless of climate change, but will become much more
severe of a challenge under climate change. Workshop participants identified monitoring and regulation of water withdrawals as necessary. Changes in pricing, types of crops, and residual dry matter from land use practices were all recommended. Water conservation measures are urgently needed to reduce competition for water and retain supplies for protected species and important natural processes. - Connectivity of fish and wildlife habitat is vital under climate change, yet development is quickly reducing opportunities for connectivity. Longterm region-wide planning is non-existent. Planning for connectivity will require communication and collaboration across land ownership boundaries, incentives for climate change easements on private property, regional analysis of potential buffers and corridors, regional scale climate change consideration in all development decisions, and a better understanding of how and where species will move.
- Sedimentation in rivers, streams, and estuaries is problematic and likely to get worse with more fires, increased storm intensity, and continued land use practices that lead to erosion. Sedimentation will have negative impacts on riparian and water delivery systems, both of which are already stressed by general drought and overdraft. Land use controls, incentives, newly developed best practices, and prescribed fire were all recommended to reduce sedimentation. Monitoring and adaptive management should be implemented to keep sedimentation rates within historical bounds, if possible.
- Loss of riparian, wetland, and marsh ecosystems greatly reduces the resilience of the landscape to climate change. These ecosystems are disproportionately important as breeding grounds for fish and wildlife, habitat for rare species, flood abatement that protects nearby infrastructure, water filtration, water infiltration to groundwater storage, and oases during drought. These ecosystems should be protected, restored, and created across the County ASAP.
- Sea level rise is a huge concern due to its potential to impact marine and terrestrial ecosystems, coastal development, tourism, recreation, and agriculture. Rather than armoring the coast, the coastline should be allowed to be dynamic in state. One suggested approach was rolling easements. Relocating some developments would be necessary, thereby allowing the sandy beaches, dunes, rocky intertidal zone, estuaries, and bluffs to shift over time but still persist. Persistence of these features is vital to tourism, fish and wildlife populations, local fisheries, recreational opportunities, public safety, and quality-of-life for residents. A statewide or regional policy will need to be developed specific to sea level rise and coastal armoring.
- Loss of oak woodlands from increased fire, drought, and invasive species is of great concern. Reducing current stressors to oak woodlands, such as overgrazing and frequent fire, may allow this important vegetation type to be more resilient to climate change. Educating private landowners about climate change projections and best management practices in oak woodlands, as well as providing them with incentives to retain healthy oak woodlands on their property, would help. Propagating more drought tolerant varieties of oak may also be an option.
- Many important strongholds for threatened and endangered species are not protected and are not included in critical habitat designations. Critical habitat needs to be revisited and revised to include these areas as well as buffers for climate change range shifts. Some species are already in perilous condition and climate change is likely to cause extinction. It will be important to identify which species can be managed for persistence and which ones are too costly to maintain. Revisiting critical habitat will assist in this determination.
- Planning should be carried out on a watershed scale, with all major land use players brought to the table, including ranchers, agricultural producers, county planners, the Forest Service, BLM, USFWS, conservation organizations, and others. Planning is currently done in a piecemeal fashion, and regulation is insufficient and unenforced. Planning for development, agriculture, natural ecosystems, and other interests needs to be done collaboratively and through a long-term, climate change lense. Enforcing current laws and regulations (CWA, ESA, local regulations) that affect land and water management is an important first step towards increasing the resilience of species and ecosystems to climate change.
- Monitoring of species and ecosystems needs to be increased to detect trends early on and adjust management quickly in an adaptive management approach. Careful planning and thought will need to go into designing monitoring strategies. A central clearinghouse that makes data available from all monitoring and surveying efforts, would be especially useful and could lead to more informed, timely, and sophisticated management efforts.
- Keeping options open and taking advantage of opportunities. San Luis Obispo County has more options than other areas. Much of the coastline is undeveloped, thereby making marsh and wetland migration possible. Climate change may make marginal farmland available for conversion to coastal wetlands or native grasslands. Topographic complexity provides climate change refuges for species across the County as they shift to new areas. Many areas are currently available for providing buffers and connectivity for natural ecosystems (primarily on private land), but these areas could be lost to development if new policies and approaches are not quickly instituted with climate change in mind.
Upcoming posts will summarize the presentations (and have the MP3s available for download) and the results of the afternoon discussions on priorities. Most of the research is in documents available on the Local Government Commission website.
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