Conservation Evidence: Evidence Data

42 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

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42 Actions found

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Land/water management
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42 Actions found

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Action	Effectiveness	Studies	Category
Use acoustic devices on fishing gear Action Link	Trade-off between benefit and harms	33	Synopsis Link
Use acoustic devices on moorings Action Link	Trade-off between benefit and harms	8	Synopsis Link
Install exclusion and/or escape devices for mammals on fishing nets Action Link	Likely to be beneficial	7	Synopsis Link
Modify fishing pots and traps to exclude mammals Action Link	Likely to be beneficial	6	Synopsis Link
Use acoustically reflective fishing gear materials Action Link	Likely to be beneficial	5	Synopsis Link
Use acoustic devices on fishing vessels Action Link	Trade-off between benefit and harms	5	Synopsis Link
Use catch and hook protection devices on fishing gear Action Link	Likely to be beneficial	5	Synopsis Link
Increase visual detectability of fishing gear for mammals Action Link	Likely to be beneficial	2	Synopsis Link
Attach acoustically reflective objects to fishing gear Action Link	Unlikely to be beneficial	2	Synopsis Link
Establish ‘move-on rules’ for fishing vessels if mammals are encountered Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Deploy fishing gear at different depths Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Use stiffened materials or increase tension of fishing gear Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Use a larger mesh size for fishing trap-nets Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Play predator calls to deter mammals from fishing gear Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Use an electric current to deter mammals from fishing gear Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Use noise aversive conditioning to deter mammals from fishing gear Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Use acoustic decoys to divert mammals away from fishing gear Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Install barriers at wild fisheries Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Switch off artificial lighting at wild fisheries Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Use ‘mammal-safe’ nets to capture and release mammals trapped in fishing structures Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Establish handling and release protocols for mammals captured by fisheries Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Use passive listening devices to detect mammals and prompt fishing vessels to move away Action Link	No evidence found (no assessment)	0	Synopsis Link
Deploy fishing gear at times when mammals are less active Action Link	No evidence found (no assessment)	0	Synopsis Link
Limit the number of fishing vessels or fishing days in an area Action Link	No evidence found (no assessment)	0	Synopsis Link
Limit the length of fishing gear in an area Action Link	No evidence found (no assessment)	0	Synopsis Link

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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