33 Actions found

Actions to conserve biodiversity

We have summarised evidence from the scientific literature about the effects of actions to conserve wildlife and ecosystems.

Review the evidence from the studies

About actions Sources of evidence

Not sure what Actions are? Read a brief description.

33 Actions found

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Close roads in defined seasons

Action Link 		Unknown effectiveness (limited evidence) 1 Close roads in defined seasons Synopsis Link

Dig trenches around culverts under roads/railways

Action Link 		Unknown effectiveness (limited evidence) 1 Dig trenches around culverts under roads/railways Synopsis Link

Fit vehicles with ultrasonic warning devices

Action Link 		Unlikely to be beneficial 3 Fit vehicles with ultrasonic warning devices Synopsis Link

Install acoustic wildlife warnings along roads

Action Link 		Unknown effectiveness (limited evidence) 2 Install acoustic wildlife warnings along roads Synopsis Link

Install barrier fencing along railways

Action Link 		Unknown effectiveness (limited evidence) 1 Install barrier fencing along railways Synopsis Link

Install barrier fencing along roads

Action Link 		Beneficial 12 Install barrier fencing along roads Synopsis Link

Install barrier fencing and underpasses along roads

Action Link 		Beneficial 55 Install barrier fencing and underpasses along roads Synopsis Link

Install fences around existing culverts or underpasses under roads/railways

Action Link 		Likely to be beneficial 4 Install fences around existing culverts or underpasses under roads/railways Synopsis Link

Install ledges in culverts under roads/railways

Action Link 		Likely to be beneficial 3 Install ledges in culverts under roads/railways Synopsis Link

Install one-way gates or other structures to allow wildlife to leave roadways

Action Link 		Likely to be beneficial 7 Install one-way gates or other structures to allow wildlife to leave roadways Synopsis Link

Install overpasses over roads/railways

Action Link 		Beneficial 22 Install overpasses over roads/railways Synopsis Link

Install pole crossings for gliders/flying squirrels

Action Link 		Likely to be beneficial 7 Install pole crossings for gliders/flying squirrels Synopsis Link

Install rope bridges between canopies

Action Link 		Beneficial 10 Install rope bridges between canopies Synopsis Link

Install signage to warn motorists about wildlife presence

Action Link 		Likely to be beneficial 6 Install signage to warn motorists about wildlife presence Synopsis Link

Install traffic calming structures to reduce speeds

Action Link 		Unknown effectiveness (limited evidence) 1 Install traffic calming structures to reduce speeds Synopsis Link

Install tunnels/culverts/underpass under railways

Action Link 		Likely to be beneficial 6 Install tunnels/culverts/underpass under railways Synopsis Link

Install tunnels/culverts/underpass under roads

Action Link 		Likely to be beneficial 25 Install tunnels/culverts/underpass under roads Synopsis Link

Install wildlife crosswalks

Action Link 		Unknown effectiveness (limited evidence) 1 Install wildlife crosswalks Synopsis Link

Install wildlife exclusion grates/cattle grids

Action Link 		Likely to be beneficial 3 Install wildlife exclusion grates/cattle grids Synopsis Link

Install wildlife warning reflectors along roads

Action Link 		Likely to be beneficial 15 Install wildlife warning reflectors along roads Synopsis Link

Modify culverts to make them more accessible to mammals

Action Link 		Unknown effectiveness (limited evidence) 1 Modify culverts to make them more accessible to mammals Synopsis Link

Modify the roadside environment to reduce collisions by reducing attractiveness of road verges to mammals

Action Link 		Unknown effectiveness (limited evidence) 1 Modify the roadside environment to reduce collisions by reducing attractiveness of road verges to mammals Synopsis Link

Modify vegetation along railways to reduce collisions by reducing attractiveness to mammals

Action Link 		Likely to be beneficial 2 Modify vegetation along railways to reduce collisions by reducing attractiveness to mammals Synopsis Link

Modify vegetation along roads to reduce collisions with mammals by enhancing visibility for drivers

Action Link 		No evidence found (no assessment) 0 Modify vegetation along roads to reduce collisions with mammals by enhancing visibility for drivers Synopsis Link

Provide food/salt lick to divert mammals from roads or railways

Action Link 		Likely to be beneficial 3 Provide food/salt lick to divert mammals from roads or railways Synopsis Link
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What Works 2021 cover

What Works in Conservation

What Works in Conservation provides expert assessments of the effectiveness of actions, based on summarised evidence, in synopses. Subjects covered so far include amphibians, birds, mammals, forests, peatland and control of freshwater invasive species. More are in progress.

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The Conservation Evidence Journal

An online, free to publish in, open-access journal publishing results from research and projects that test the effectiveness of conservation actions.

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Our blog contains the latest news and updates from the Conservation Evidence team, the Conservation Evidence Journal, and our global partners in evidence-based conservation.

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