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Published byCollin Burns Modified over 9 years ago
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Conservation Action Planning Stresses & Sources
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CAP Basic Practice
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Stresses & Sources also known as Threats
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Systems Stresses Sources Stresses: Impair the viability of targets — e.g. sedimentation, habitat destruction Sources: The proximate cause of the stress — e.g. cows in the stream
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Stresses Stresses destroy, degrade or impair conservation targets by affecting a key ecological attribute for size, condition or landscape context Examples -- Stresses to a system: – Habitat destruction -- affects area of habitat or occurrence area (Size) – Altered structure or composition -- affects characteristic native species (Condition) – Altered fire regime -- affects fire intensity /return interval (Landscape Context)
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Level and geographic scope of damage reasonably expected within 10 years under current circumstances Ranking Stresses Severity of Impact Destroy or eliminate Seriously degrade Moderately degrade Slightly impair Severity of Impact Destroy or eliminate Seriously degrade Moderately degrade Slightly impair Scope of Damage Very widespread —throughout target’s occurrences Widespread Localized Very localized Scope of Damage Very widespread —throughout target’s occurrences Widespread Localized Very localized
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Sources Sources are the proximate causes of a stress Examples: – Incompatible residential development – Incompatible row-crop agriculture – Incompatible operation of dams/reservoirs – Fire suppression – Incompatible forestry -- high-grading – Incompatible forestry -- clearcutting Sources of stress are the tangible threats we must address!
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Ranking Sources Contribution -- reasonably expected within 10 years under current circumstances – Very large contributor – Large – Moderate – Small Contribution -- reasonably expected within 10 years under current circumstances – Very large contributor – Large – Moderate – Small Irreversibility -- reversibility of the stress caused by the source – Not reversible, for all intents and purposes – Reversible, but not practically affordable – Reversible with reasonable commitment of resources – Easily reversible at relatively low cost Irreversibility -- reversibility of the stress caused by the source – Not reversible, for all intents and purposes – Reversible, but not practically affordable – Reversible with reasonable commitment of resources – Easily reversible at relatively low cost
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Outcomes Stresses & sources of stress to each target
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Final Product: Summary of Threats
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Project Teams Breakout Determine & ranks stresses and sources for one target Refine key ecological attributes for target as needed, as time permits 1¼ hours Each team will briefly present their threat rankings for group feedback tomorrow
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