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Ecosystem-Based Conservation Plan (EBCP)

Summary - A comprehensive report underpinning the direction of watershed governance ​

The Shawnigan Basin Society has invested a significant amount of time & energy to acquire the necessary scientific data to determine the ecological baseline in the Shawnigan watershed.

This report takes a progressive approach to watershed management by looking at the watershed holistically. The value for nature to provide economy is dependent on the health of the watershed. The integration and implementation of the plan for Shawnigan residents will largely depend on the cooperation between private land owners and the interconnected and interdependent integrity of their various connective properties. ​

The largest body of work was an ecosystem-based conservation plan (EBCP) produced by Herb Hammond
from Silva Ecosystem Consultants, which analyzed the character (prehuman contact) and condition
(post human contact - current) of the watershed to determine what remaining ecosystems have integrity
and where there are opportunities to restore structure and function. Undertaking efforts to conserve, protect, restore, and ecologically manage a 50-60% intact forest canopy developed over time,
would thus serve to secure the hydrological integrity of the watershed and the drinking water
relied on by many thousands in the Shawnigan Lake basin.

"A major goal of the EBCP for Shawnigan Lake is to restore ecological integrity - assist natural processes to re-establish natural ecological integrity in a watershed that is currently dominated by young forests, many of which have been logged twice, urban development, and industrial activities. Indeed, little intact, natural ecosystems remain in the watershed. As a result, the natural ecological integrity has been seriously damaged, increasing the risk to the watershed and its residents from declining water quality, quantity, and timing of flow; stress to ecosystems from global warming; and declining ecological resilience that threatens the ability of ecosystems to provide services like air, water, and support for human health." ~ Herb Hammond
​
Full EBCP Report
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© Herb Hammond
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What is a Watershed ?

A watershed is a collection of basin - like your bathroom sink. The edges or ridges channel water down towards the bottom of the basin where water flows out of the end of the basin to join with water from an adjacent basin. Watersheds may be very small - a small crease in the forest's surface, or very large - Earth. Thus, the Shawnigan Lake watershed is made up of many sub-watersheds or sub-basins. What happens in each sub-basin impacts the entire watershed. By protecting and/or restoring the small sub-basins, this EBCP aims to protect and/or restore the whole watershed.

What is an Ecosystem-Based Conservation Plan?

An ecosystem-based conservation plan (EBCP) focuses first on what to protect then what to use. What to protect is natural ecological integrity, which is defined as "the abundance and diversity of organisms at all levels, and the ecological patterns, processes, and structural attributes responsible for that biological diversity and for ecosystem resilience (Coast Information Team, 2014)." Ecological integrity is the foundation for maintaining or restoring water quality, quantity, and timing of flow in the streams, lakes, and wetlands that supply people's homes with one of the basic necessities of life - water.

Implementing the EBCP - Community Process & Models

The EBCP is built on three levels of interconnected networks of protected ecosystems:
  • Protected Areas Network (PAN) - large protected areas with watershed level significance
  • Protected Landscape Network (PLN) - medium-size protected areas with sub-basin significance, and
  • Protected Ecosystem Network (PEN) - small protected areas with site or patch level significance.

Map 2 - PAN Ortho

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Map 2 is an example of a broad network of protected ecosystems at the whole watershed or drainage basin to restore and protect water, ecological integrity, and human health.

The goals of the PAN are:
  • to capture remaining ecological diversity in the watershed, in part to protect areas important for water conservation, and
  • to provide a baseline level of connectivity within and through the watershed.

Map 4 - PLN Ortho

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Map 4 is an example of an intermediate network protected ecosystems sub-basin scale to restore and protect water, ecological integrity, and human health.

The goals of the PLN are to identify and protect:
  • areas with valuable ecological structure and composition (large trees, unique species),
  • ecologically sensitive areas (riparian areas, rocky hills, steep slopes), and
  • small reserve ares and linkages that will maintain patches of forest and connectivity outside the PAN.
Map 5 - PEN Ortho
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Map 5 is an example of a fine network protected ecosystems at the site, patch, or private lot scale to restore and protect water, ecological integrity, and human health.

The goals of the PEN are to identify and protect:
  • areas with valuable ecological structure and composition, and/or biodiversity (large trees, large fallen trees, unique species),
  • ecologically sensitive areas (riparian areas, rocky hilly, steep slopes, wet areas) that were not captured in the PAN or PLN, and
  • areas which link to parts of the PAN or PLN.

Next Steps: Public Engagement

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The Basin Society is committed to initiating “kitchen-table discussions” within the sub-basins of the Shawnigan Lake basin to share and discuss both our history and current knowledge. Our goal is to have a two-way exchange where local knowledge can be integrated with the scientific understanding we have obtained. It is also to consult with the public at large about their individual private properties and where there are important opportunities to conserve, protect, and restore ecosystem services.


EBCP As A Community Decision Making Tool:
An Evaluation Framework for Watershed Land Use Applications

Approval of land development applications for Rural Resource zoned land in Shawnigan Lake requires an exception to South Cowichan Official Community Plan (OCP) policy. An Evaluation Framework has been developed by the Shawnigan Advisory Planning Commission (APC);  it is intended to be a tool for the APC to use when such applications are being considered for Rural Resource zoned land within the watershed. This document also informs developers, the community, and the CVRD Board on the related community priorities and decision-making framework used by the APC.
 
The Shawnigan Lake Ecosystem Based Conservation Plan, commissioned by the Shawnigan Basin Society, was an important component of the development of the Evaluation Framework.
 
Our long-term objective is to make this Evaluation Framework suitable as an OCP amendment to policies related to Rural Resource zoned land development in the watershed.

Grant Treloar
Chair, Shawnigan Lake APC
The Shawnigan Advisory Planning Commission is working to ensure that all developments proposed for land within the Shawnigan Watershed address watershed health as part of their design, especially where conversion of rural resource zoned land to non-resource uses is proposed. The rule to be imposed is that a development “must provide a net positive ecological benefit to the watershed” in order to be considered. A proposed development will have to show how it will protect and where necessary enhance the natural watershed health conditions. Assessment of project proposals will be done according to a series of straightforward questions. The proponent is responsible for doing the necessary professional and scientific homework to be able to answer the questions to the satisfaction of the Commission before a positive recommendation would be made to the Regional District to approve the project.
 
Dr. Bruce Fraser
President, Shawnigan Basin Society
APC Evaluation Framework
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  • Home
  • ABOUT
    • SHAWNIGAN BASIN SOCIETY
  • Natural Edge Program
  • PROJECTS
    • Past Projects >
      • Foreshore >
        • Foreshore to Forest >
          • Upland Forests
      • Milfoil
      • EBCP
      • Incorporation
      • SOIL DEPOSITS
  • Get Involved
    • WAYS TO SHOW YOUR SUPPORT
    • STEWARDSHIP
  • Events
  • Reports
  • MAPS & RESOURCES
    • SBS MAPPING >
      • COMMUNITY
      • VEGETATION CHANGES >
        • A Tale of Two Watersheds
        • Shawnigan Watershed Changes
  • Contact Us