beneficial management practices for saskatchewan species at risk: western spiderwort threatened
DESCRIPTION
Beneficial Management Practices for Saskatchewan Species at Risk: Western Spiderwort Threatened. Plants 5-60 cm tall Grass-like, alternate leaves 10-30 cm long Clusters of up to 25 blue, rose or white flowers 3 round petals Perennial flowering late June to early July. Sarah Vinge. - PowerPoint PPT PresentationTRANSCRIPT
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Beneficial Management Practices for Saskatchewan
Species at Risk:
Western Spiderwort Threatened
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• Plants 5-60 cm tall
• Grass-like, alternate leaves 10-30 cm long
• Clusters of up to 25 blue, rose or white flowers
• 3 round petals
• Perennial flowering late June to early July
Sarah Vinge
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• Inhabits partially stabilized and active sand dunes
• Prefers south and southwest facing slopes where snow is more abundant and sun exposure is greatest
• Located in the Elbow Community Pasture and Douglas Provincial Park in the Elbow Sand Hills
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• Status: Threatened
• Decline due to habitat loss to cropland (historical), dune stabilization, exclusion by invasive alien species, ATV use on dunes, sand and gravel extraction, road/right-of-way maintenance, and high intensity grazing
• Most current SK estimate: ~48,700 plants
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Beneficial Management PracticesGrazing• Graze moderately during late season• Graze every year but graze heavily in some
to help destabilize dunes and reduce woody and other competing vegetation
• Use methods that do not disturb native herbaceous ground cover when clearing brush to improve range or access
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Invasive Alien Plant Species
• Avoid using herbicides in the vicinity of a Western Spiderwort population
• Biological control of leafy spurge using insects may benefit Western Spiderwort
• Seed non-invasive forages if seeding adjacent to Western Spiderwort site or consider using native forages
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Roads
• Place any roads, trails and other developments away from known plants
• Avoid use of existing roads and trails adjacent to spiderwort sites during growing season
• Eradicate or control spread of invasive plant infestations along roads and trails adjacent to spiderwort sites