Action: Engage policymakers to make policy changes beneficial to bats

Key messages

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We found no studies that evaluated the effects of engaging policymakers to make policy changes beneficial to bats or human behaviours directly beneficial to bats.

‘We found no studies’ means that we have not yet found any studies that have directly evaluated this action during our systematic journal and report searches. Therefore we have been unable to assess whether or not the action is effective or has any harmful impacts. Please get in touch if you know of such a study for this action.

Background information and definitions

Raising awareness amongst policymakers of the need for bat conservation may result in improved legal protection of bats and bat habitats.

Please cite as:

Berthinussen, A., Richardson O.C. and Altringham J.D. (2019) Bat Conservation: Global Evidence for the Effects of Interventions. Synopses of Conservation Evidence Series. University of Cambridge, Cambridge, UK.

Overall Effectiveness Category: No evidence found (no assessment)
Effectiveness: not assessed
Certainty: not assessed
Harms: not assessed

Where has this evidence come from?

Bat Conservation
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Source countries

Related Actions

Educate farmers, local communities and pest controllers to reduce indiscriminate culling of vampire bats
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Educate pest controllers and homeowners/tenants to reduce the illegal use of pesticides in bat roosts

Related Actions

Educate farmers, local communities and pest controllers to reduce indiscriminate culling of vampire bats
Provide training to conservationists, land managers, and the building and development sector on bat ecology and conservation to reduce bat roost disturbance
Educate pest controllers and homeowners/tenants to reduce the illegal use of pesticides in bat roosts

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Effectiveness

An assessment by independent experts of the effectiveness of this action based on the summarized evidence (0% = not effective, 100% = highly effective). This score is based on the direction and size of the effects reported in each study. Actions with high scores typically have large, desirable effects on the target species/habitat in each study. There is some variation between actions, e.g. 100% effectiveness in adding underpasses under roads for bat conservation will likely have different impacts to 100% effectiveness in restoring marsh habitat. The effectiveness score does not consider the quantity or quality of studies; a single, poorly designed study could generate a high effectiveness score. The effectiveness score is combined with the certainty and harms scores to determine the overall effectiveness category (for more details see https://www.conservationevidence.com/content/page/79).

Harms

An assessment by independent experts of the harms of this action to the target group of species/habitat, based on the summarized evidence (0% = none, 100% = major undesirable effects). Undesirable effects on other groups of species/habitats are not considered in this score. The harms score is combined with the effectiveness and certainty scores to determine the overall effectiveness category (for more details see https://www.conservationevidence.com/content/page/79).

Certainty

An assessment by independent experts of the certainty of the evidence for this action based on the summarized evidence (0% = no evidence, 100% = high quality evidence). How certain can we be that the effectiveness score applies to all targets of the intervention (e.g. all birds for an action in the bird synopsis)? This score is based on the number, quality and coverage (species, habitats, geographical locations) of studies. Actions with high scores are supported by lots of well-designed studies with a broad coverage relative to the scope of the intervention. However, the definition of "lots" and "well-designed" will vary between interventions and synopses depending on the breadth of the subject. The certainty score is combined with the effectiveness and harms scores to determine the overall effectiveness category (for more details see https://www.conservationevidence.com/content/page/79).

Overall Effectiveness Category

The overall effectiveness category is determined using effectiveness, certainty and harms scores generated by a structured assessment process with multiple rounds of anonymous scoring and commenting (a modified Delphi method). In this assessment, independent subject experts (listed for each synopsis) interpret the summarized evidence using standardised instructions. For more details see https://www.conservationevidence.com/content/page/79.

Action: Engage policymakers to make policy changes beneficial to bats

Key messages

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Related Actions

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