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What Works in Conservation 2015

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

2. Bat Conservation

2.9. Threat: Invasive species

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2.9.1 Invasive species

Based on the collated evidence, what is the current assessment of the effectiveness of interventions for invasive species?

Unknown effectiveness (limited evidence)

● Remove invasive plant species

Likely to be ineffective or harmful

● Translocate to predator or disease free areas

No evidence found (no assessment)

● Control invasive predators

Unknown effectiveness (limited evidence)

Remove invasive plant species

1One site comparison study in North America found higher bat activity in forest preserves where invasive plant species had been removed alongside other restoration practices. Assessment: unknown effectiveness (effectiveness 20%; certainty 10%; harms 0%).

2http://www.conservationevidence.com/​actions/​1008

Likely to be ineffective or harmful

Translocate to predator or disease free areas

3Two small unreplicated studies in New Zealand and Switzerland found low numbers of bats remaining at release sites after translocation, and observed homing tendencies, disease and death. Assessment: Likely to be ineffective or harmful (effectiveness 5%; certainty 40%; harms 80%).

4http://www.conservationevidence.com/​actions/​1009

No evidence found (no assessment)

5We have captured no evidence for the following interventions:

6• Control invasive predators

2.9.2 White-nose syndrome

Based on the collated evidence, what is the current assessment of the effectiveness of interventions for white-nose syndrome?

No evidence found (no assessment)

● Control anthropogenic spread
● Cull infected bats
● Increase population resistance
● Modify cave environments to increase bat survival

No evidence found (no assessment)

7We have captured no evidence for the following interventions:

  • Control anthropogenic spread
  • Cull infected bats
  • Increase population resistance
  • Modify cave environments to increase bat survival

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