126 Actions found

Actions to conserve biodiversity

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

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126 Actions found

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Translocate wild eels to re-establish or boost native populations (‘stocking’ or ‘restocking’)

Action Link 		Evidence not assessed 15 Translocate wild eels to re-establish or boost native populations (‘stocking’ or ‘restocking’) Synopsis Link

Install climbing structures for fish

Action Link 		Evidence not assessed 12 Install climbing structures for fish Synopsis Link

Breed eels in captivity

Action Link 		Evidence not assessed 9 Breed eels in captivity Synopsis Link

Install bypass systems alongside exclusion devices

Action Link 		Evidence not assessed 9 Install bypass systems alongside exclusion devices Synopsis Link

Modify operation of dams/barriers

Action Link 		Evidence not assessed 6 Modify operation of dams/barriers Synopsis Link

Release wild-caught captive-reared eels to re-establish or boost native populations ('head-starting')

Action Link 		Evidence not assessed 5 Release wild-caught captive-reared eels to re-establish or boost native populations ('head-starting') Synopsis Link

Install siphon fish passes

Action Link 		Evidence not assessed 4 Install siphon fish passes Synopsis Link

Install fish passes (type not specified)

Action Link 		Evidence not assessed 4 Install fish passes (type not specified) Synopsis Link

Capture and transport eels around dams/barriers (‘trap and transport’)

Action Link 		Evidence not assessed 4 Capture and transport eels around dams/barriers (‘trap and transport’) Synopsis Link

Modify design of underwater turbines

Action Link 		Evidence not assessed 3 Modify design of underwater turbines Synopsis Link

Install deterrents at water intake and discharge points (e.g. acoustic devices, electric or bubble screens, lights)

Action Link 		Evidence not assessed 3 Install deterrents at water intake and discharge points (e.g. acoustic devices, electric or bubble screens, lights) Synopsis Link

Install nature-like fishways

Action Link 		Evidence not assessed 3 Install nature-like fishways Synopsis Link

Install fish elevators/lifts

Action Link 		Evidence not assessed 3 Install fish elevators/lifts Synopsis Link

Install vertical-slot fish passes

Action Link 		Evidence not assessed 3 Install vertical-slot fish passes Synopsis Link

Change capture, transport or release methods to increase survivorship of translocated (‘stocked’ or ‘restocked') eels

Action Link 		Evidence not assessed 3 Change capture, transport or release methods to increase survivorship of translocated (‘stocked’ or ‘restocked') eels Synopsis Link

Modify operation of underwater turbines

Action Link 		Evidence not assessed 2 Modify operation of underwater turbines Synopsis Link

Install exclusion devices at water intake and discharge points

Action Link 		Evidence not assessed 2 Install exclusion devices at water intake and discharge points Synopsis Link

Change type of recreational fishing gear (e.g. hook type, bait, lure size)

Action Link 		Evidence not assessed 2 Change type of recreational fishing gear (e.g. hook type, bait, lure size) Synopsis Link

Install baffled fish passes

Action Link 		Evidence not assessed 2 Install baffled fish passes Synopsis Link

Install pool-and-weir fish passes

Action Link 		Evidence not assessed 2 Install pool-and-weir fish passes Synopsis Link

Install airlift fish passes

Action Link 		Evidence not assessed 2 Install airlift fish passes Synopsis Link

Provide refuges

Action Link 		Evidence not assessed 2 Provide refuges Synopsis Link

Exclude livestock from riverbanks 

Action Link 		Evidence not assessed 1 Exclude livestock from riverbanks  Synopsis Link

Limit, cease or prohibit commercial fishing

Action Link 		Evidence not assessed 1 Limit, cease or prohibit commercial fishing Synopsis Link

Remove dams/barriers

Action Link 		Evidence not assessed 1 Remove dams/barriers Synopsis Link
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Eel Conservation in Inland Habitats

Eel Conservation in Inland Habitats - Published 2024

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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

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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