Conservation Evidence: Evidence Data

441 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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441 Actions found

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441 Actions found

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Action	Effectiveness	Studies	Category
Abandon cropland: allow freshwater marshes or swamps to recover without active intervention Action Link	Likely to be beneficial	4	Synopsis Link
Backfill canals or trenches: brackish/salt marshes Action Link	Likely to be beneficial	4	Synopsis Link
Facilitate tidal exchange to restore degraded brackish/saline swamps Action Link	Likely to be beneficial	4	Synopsis Link
Cut large trees/shrubs to maintain or restore disturbance: freshwater marshes Action Link	Likely to be beneficial	4	Synopsis Link
Use grazing to maintain or restore disturbance: brackish/salt marshes Action Link	Likely to be beneficial	4	Synopsis Link
Reduce frequency of cutting/mowing: freshwater marshes Action Link	Likely to be beneficial	4	Synopsis Link
Change season/timing of cutting/mowing: freshwater marshes Action Link	Likely to be beneficial	4	Synopsis Link
Use prescribed fire to control problematic plants: brackish/salt marshes Action Link	Likely to be beneficial	4	Synopsis Link
Use prescribed fire to control problematic plants: freshwater marshes Action Link	Trade-off between benefit and harms	4	Synopsis Link
Use herbicide to control problematic plants: freshwater swamps Action Link	Trade-off between benefit and harms	4	Synopsis Link
Retain/restore/create vegetation around freshwater marshes Action Link	Likely to be beneficial	4	Synopsis Link
Deposit soil/sediment to form physical structure of brackish/salt marshes Action Link	Likely to be beneficial	4	Synopsis Link
Transplant or replace blocks of vegetation: freshwater marshes Action Link	Likely to be beneficial	4	Synopsis Link
Add inorganic fertilizer before/after planting non-woody plants: freshwater wetlands Action Link	Likely to be beneficial	4	Synopsis Link
Use fences or barriers to protect freshwater wetlands planted with non-woody plants Action Link	Likely to be beneficial	4	Synopsis Link
Designate protected area Action Link	Likely to be beneficial	4	Synopsis Link
Reduce intensity of livestock grazing: freshwater marshes Action Link	Likely to be beneficial	3	Synopsis Link
Change season/timing of livestock grazing: freshwater marshes Action Link	Likely to be beneficial	3	Synopsis Link
Change type of livestock grazing: brackish/salt marshes Action Link	Likely to be beneficial	3	Synopsis Link
Backfill canals or trenches: freshwater marshes Action Link	Unknown effectiveness (limited evidence)	3	Synopsis Link
Reduce frequency of vegetation harvest: freshwater marshes Action Link	Likely to be beneficial	3	Synopsis Link
Change season/timing of vegetation harvest: freshwater marshes Action Link	Likely to be beneficial	3	Synopsis Link
Use grazing to control problematic plants: freshwater marshes Action Link	Likely to be beneficial	3	Synopsis Link
Introduce fragments of non-woody plants: brackish/saline wetlands Action Link	Unknown effectiveness (limited evidence)	3	Synopsis Link
Actively manage water level before/after planting non-woody plants: freshwater wetlands Action Link	Unknown effectiveness (limited evidence)	3	Synopsis Link

Marsh and Swamp Conservation - Published 2021

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Marsh and Swamp 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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