Conservation Evidence - Site

We summarise the documented evidence for the effectiveness of conservation actions

This resource is designed to support anyone making decisions about how to maintain and restore biodiversity.

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Studies

A short summary of a specific scientific study, providing background context, the conservation action(s) taken and their consequences.

View all 8870 studies

Actions

A particular action you could take to benefit wildlife or ecosystems, with a summary of evidence for its effectiveness.

View all 3891 actions

Synopses

A synopsis of evidence reviews the effectiveness of all actions you could take to conserve a given species group or habitat or to tackle a particular conservation issue.

View all 27 synopses

Browse Actions by Category

Species

Synopsis Page

Amphibian Conservation

130 Actions

Synopsis - Amphibian Conservation

Synopsis Page

Bat Conservation

200 Actions

Synopsis - Bat Conservation

Synopsis Page

Bee Conservation

59 Actions

Synopsis - Bee Conservation

Synopsis Page

Biodiversity of Marine Artificial Structures

43 Actions

Synopsis - Biodiversity of Marine Artificial Structures

Synopsis Page

Bird Conservation

454 Actions

Synopsis - Bird Conservation

Synopsis Page

Butterfly and Moth Conservation

152 Actions

Synopsis - Butterfly and Moth Conservation

Synopsis Page

Control of Freshwater Invasive Species

161 Actions

Synopsis Page

Coral Conservation

75 Actions

Synopsis Page

Eel Conservation in Inland Habitats

126 Actions

Synopsis - Eel Conservation in Inland Habitats

Synopsis Page

Farmland Conservation

119 Actions

Synopsis - Farmland Conservation

Synopsis Page

Management of Captive Animals

96 Actions

Synopsis Page

Marine and Freshwater Mammal Conservation

180 Actions

Synopsis - Marine and Freshwater Mammal Conservation

Synopsis Page

Marine Fish Conservation

120 Actions

Synopsis - Marine Fish Conservation

Synopsis Page

Primate Conservation

162 Actions

Synopsis - Primate Conservation

Synopsis Page

Reptile Conservation

312 Actions

Synopsis - Reptile Conservation

Synopsis Page

Subtidal Benthic Invertebrate Conservation

226 Actions

Synopsis - Subtidal Benthic Invertebrate Conservation

Synopsis Page

Terrestrial Mammal Conservation

294 Actions

Synopsis - Terrestrial Mammal Conservation

Habitats

Synopsis Page

Forest Conservation

122 Actions

Synopsis - Forest Conservation

Synopsis Page

Grassland Conservation

36 Actions

Synopsis - Grassland Conservation

Synopsis Page

Marsh and Swamp Conservation

441 Actions

Synopsis - Marsh and Swamp Conservation

Synopsis Page

Peatland Conservation

125 Actions

Synopsis - Peatland Conservation

Synopsis Page

Shrubland and Heathland Conservation

109 Actions

Synopsis - Shrubland and Heathland Conservation

Sustainable production

Synopsis Page

Mediterranean Farmland

75 Actions

Synopsis - Mediterranean Farmland

Synopsis Page

Natural Pest Control

22 Actions

Synopsis - Natural Pest Control

Synopsis Page

Soil Fertility

27 Actions

Synopsis - Soil Fertility

Synopsis Page

Sustainable Aquaculture

25 Actions

Synopsis - Sustainable Aquaculture

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.

More about What Works in Conservation

Download free PDF or purchase

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.

Read the latest volume: Volume 22

Go to the CE Journal

Discover more on our blog

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.

Who uses Conservation Evidence?

Meet some of the Evidence Champions

Endangered Landscape Programme

Red List

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National Biodiversity Network