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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Browse Actions by Category

Species

Synopsis Page
Amphibian Conservation
129 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
Control of Freshwater Invasive Species
161 Actions
Synopsis - Control of Freshwater Invasive Species
Synopsis Page
Farmland Conservation
119 Actions
Synopsis - Farmland Conservation
Synopsis Page
Management of Captive Animals
96 Actions
Synopsis - Management of Captive Animals
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 19

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 Champion - Arc Kent Wildlife Trust The Rufford Foundation Save the Frogs - Ghana Bern wood Supporting Conservation Leaders National Biodiversity Network Sustainability Dashboard Frog Life The international journey of Conservation - Oryx British trust for ornithology Cool Farm Alliance UNEP AWFA Butterfly Conservation People trust for endangered species Vincet Wildlife Trust
For a full list of, and information about, our champions:
All Evidence Champions
About our champions, why and how to become one:
Become an Evidence Champion

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