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What Works in Conservation 2017

 | 
William J. Sutherland
, 
Lynn V. Dicks
, 
Nancy Ockendon
, 
et al.

5. FOREST CONSERVATION

5.9 Habitat protection

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Based on the collated evidence, what is the current assessment of the effectiveness of interventions for habitat protection?

Unknown effectiveness (limited evidence)

● Adopt community-based management to protect forests
● Legal protection of forests

No evidence found (no assessment)

● Adopt Protected Species legislation (impact on forest management)

Unknown effectiveness (limited evidence)

Adopt community-based management to protect forests

1Two studies, including one replicated, before-and-after, site comparison, in Ethiopia and Nepal found that forest cover increased more in community-managed forests than in forests not managed by local communities. However, one replicated, site comparison study in Colombia found that deforestation rates in community-managed forests did not differ from deforestation rates in unmanaged forests. Assessment: unknown effectiveness — limited evidence (effectiveness 60%; certainty 35%; harms 0%).
http://www.conservationevidence.com/​actions/​1152

Legal protection of forests

2Two site comparison studies in Nigeria and Iran found that legal protection of forest increased tree species richness and diversity or the density of young trees. One replicated, paired site study in Mexico found no effect of forest protection on seed density and diversity of trees and shrubs. Assessment: unknown effectiveness — limited evidence (effectiveness 50%; certainty 20%; harms 0%).
http://www.conservationevidence.com/​actions/​1233

No evidence found (no assessment)

3We have captured no evidence for the following interventions:

  • Adopt Protected Species legislation (impact on forest management)

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