Conservation Evidence: Evidence Data

119 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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119 Actions found

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119 Actions found

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Action	Effectiveness	Studies	Category
Reduce fertilizer, pesticide or herbicide use generally Action Link	Beneficial	47	Synopsis Link
Reduce chemical inputs in grassland management Action Link	Likely to be beneficial	18	Synopsis Link
Re-wet moorland Action Link	No evidence found (no assessment)	0	Synopsis Link
Raise water levels in ditches or grassland Action Link	Likely to be beneficial	13	Synopsis Link
Raise mowing height on grasslands to benefit farmland wildlife Action Link	Unknown effectiveness (limited evidence)	7	Synopsis Link
Provide training for land managers, farmers and farm advisers Action Link	Evidence not assessed	1	Synopsis Link
Provide supplementary food for birds or mammals Action Link	Likely to be beneficial	25	Synopsis Link
Provide specialist advice, assistance preparing conservation plans Action Link	No evidence found (no assessment)	0	Synopsis Link
Provide short grass for birds Action Link	Evidence not assessed	1	Synopsis Link
Provide refuges during harvest or mowing Action Link	Unknown effectiveness (limited evidence)	3	Synopsis Link
Provide red squirrel feeders Action Link	No evidence found (no assessment)	0	Synopsis Link
Provide owl nest boxes (Tawny owl, Barn owl) Action Link	Unknown effectiveness (limited evidence)	5	Synopsis Link
Provide otter holts Action Link	No evidence found (no assessment)	0	Synopsis Link
Provide other resources for birds (water, sand for bathing) Action Link	Unknown effectiveness (limited evidence)	1	Synopsis Link
Provide or retain set-aside areas in farmland Action Link	Beneficial	54	Synopsis Link
Provide nest boxes for birds Action Link	Unknown effectiveness (limited evidence)	10	Synopsis Link
Provide nest boxes for bees (solitary bees or bumblebees) Action Link	Unknown effectiveness (limited evidence)	14	Synopsis Link
Provide medicated grit for grouse Action Link	Evidence not assessed	1	Synopsis Link
Provide foraging perches (eg. for shrikes) Action Link	No evidence found (no assessment)	0	Synopsis Link
Provide buffer strips alongside water courses (rivers and streams) Action Link	Unknown effectiveness (limited evidence)	7	Synopsis Link
Provide bat boxes, bat grilles, improvements to roosts Action Link	No evidence found (no assessment)	0	Synopsis Link
Provide badger gates Action Link	No evidence found (no assessment)	0	Synopsis Link
Provide 'sacrificial' grasslands to reduce the impact of wild geese on crops Action Link	Unknown effectiveness (limited evidence)	6	Synopsis Link
Protect individual nests of ground-nesting birds Action Link	Unknown effectiveness (limited evidence)	2	Synopsis Link
Protect in-field trees (includes management such as pollarding and surgery) Action Link	No evidence found (no assessment)	0	Synopsis Link

Farmland Conservation - Published 2013

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Farmland Synopsis

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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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