Collected Evidence: Collected Evidence: Retain veteran and standing dead trees as roosting sites for bats We found no studies that evaluated the effects of retaining veteran and standing dead trees on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F993https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F993Fri, 20 Dec 2013 15:34:57 +0000Collected Evidence: Collected Evidence: Replant native trees in logged areas We found no studies that evaluated the effects of replanting native trees in logged areas on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F994https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F994Fri, 20 Dec 2013 15:37:49 +0000Collected Evidence: Collected Evidence: Provide training to conservationists, land managers, and the building and development sector on bat ecology and conservation to reduce bat roost disturbance We found no studies that evaluated the effects of providing training to conservationists, land managers, and the building and development sector on bat ecology and conservation to reduce bat roost disturbance. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F997https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F997Fri, 20 Dec 2013 17:00:45 +0000Collected Evidence: Collected Evidence: Educate the public to improve perception of bats to improve behaviour towards bats We found no studies that evaluated the effects of educating the public to improve the perception of bats to improve behaviour towards 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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1000https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1000Fri, 20 Dec 2013 17:09:30 +0000Collected Evidence: Collected Evidence: Restore and maintain microclimate in modified caves We found no studies that evaluated the effects of restoring and maintaining the microclimate in modified caves for roosting bats on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1001https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1001Fri, 20 Dec 2013 17:14:49 +0000Collected Evidence: Collected Evidence: Inform the public of ways to reduce disturbance to bats in caves We found no studies that evaluated the effects of informing the public of ways to reduce disturbance to bats in caves on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1003https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1003Fri, 20 Dec 2013 17:18:13 +0000Collected Evidence: Collected Evidence: Provide artificial subterranean bat roosts to replace roosts in disturbed caves We found no studies that evaluated the effects of providing artificial subterranean bat roosts to replace roosts in disturbed caves on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1005https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1005Fri, 20 Dec 2013 17:19:47 +0000Collected Evidence: Collected Evidence: Restrict human access to bat caves to reduce the spread of the white-nose syndrome pathogen We found no studies that evaluated the effects of restricting human access to bat caves to reduce the spread of the white-nose syndrome pathogen on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1010https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1010Fri, 20 Dec 2013 17:45:48 +0000Collected Evidence: Collected Evidence: Vaccinate bats against the white-nose syndrome pathogen We found no studies that evaluated the effects of vaccinating bats against the white-nose syndrome pathogen on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1011https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1011Fri, 20 Dec 2013 17:46:43 +0000Collected Evidence: Collected Evidence: Cull bats infected with white-nose syndrome We found no studies that evaluated the effects of culling bats infected with white-nose syndrome on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1012https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1012Fri, 20 Dec 2013 17:47:23 +0000Collected Evidence: Collected Evidence: Introduce legislation to control the use of hazardous substances We found no studies that evaluated the effects of introducing legislation to control the use of hazardous substances on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1015https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1015Fri, 20 Dec 2013 17:51:23 +0000Collected Evidence: Collected Evidence: Change effluent treatments used in agriculture and forestry We found no studies that evaluated the effects of changing the effluent treatments used in agriculture and forestry on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1016https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1016Fri, 20 Dec 2013 17:52:07 +0000Collected Evidence: Collected Evidence: Impose noise limits in proximity to bat roosts and habitats We found no studies that evaluated the effects of imposing noise limits in proximity to bat roosts and habitats on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1021https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1021Fri, 20 Dec 2013 18:01:10 +0000Collected Evidence: Collected Evidence: Use mammal-safe timber treatments in roof spaces We found no studies that evaluated the effects of using mammal-safe timber treatments in roof spaces on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1022https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1022Fri, 20 Dec 2013 18:04:01 +0000Collected Evidence: Collected Evidence: Install sound-proofing insulation between bat roosts and areas occupied by humans within developments We found no studies that evaluated the effects of installing sound-proofing insulation between bat roosts and areas occupied by humans within developments on bat populations. ‘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. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1929https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1929Fri, 30 Nov 2018 13:47:18 +0000Collected Evidence: Collected Evidence: Educate homeowners about building and planning laws relating to bats to reduce disturbance to bat roosts We found no studies that evaluated the effects of educating homeowners and planning authorities about building and planning laws relating to bats to reduce disturbance to bat roosts. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1931https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1931Fri, 30 Nov 2018 14:34:44 +0000Collected Evidence: Collected Evidence: Plant gardens with night-scented flowers We found no studies that evaluated the effects of planting gardens with night-scented flowers on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1932https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1932Fri, 30 Nov 2018 14:35:41 +0000Collected Evidence: Collected Evidence: Increase semi-natural habitat within gardens We found no studies that evaluated the effects of increasing the amount of semi-natural habitat within gardens on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1933https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1933Fri, 30 Nov 2018 14:36:32 +0000Collected Evidence: Collected Evidence: Protect greenfield sites or undeveloped land in urban areas We found no studies that evaluated the effects of protecting greenfield sites or undeveloped land in urban areas on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1934https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1934Fri, 30 Nov 2018 14:43:33 +0000Collected Evidence: Collected Evidence: Provide or retain set-aside areas in farmland We found no studies that evaluated the effects of providing or retaining set-aside areas in farmland on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1937https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1937Mon, 03 Dec 2018 13:17:14 +0000Collected Evidence: Collected Evidence: Increase the proportion of semi-natural habitat in the farmed landscape We found no studies that evaluated the effects of increasing the proportion of semi-natural habitat in the farmed landscape on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1938https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1938Mon, 03 Dec 2018 13:18:19 +0000Collected Evidence: Collected Evidence: Plant new hedges We found no studies that evaluated the effects of planting new hedges on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1942https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1942Tue, 04 Dec 2018 09:51:33 +0000Collected Evidence: Collected Evidence: Manage ditches to benefit bats We found no studies that evaluated the effects of managing ditches to benefit bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1944https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1944Tue, 04 Dec 2018 09:59:42 +0000Collected Evidence: Collected Evidence: Retain existing in-field trees We found no studies that evaluated the effects of retaining existing in-field trees on bat populations. ‘We found no studies’ means that we have not yet found any studies that have directly evaluated this intervention during our systematic journal and report searches. Therefore we have no evidence to indicate whether or not the intervention has any desirable or harmful effects.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1945https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1945Tue, 04 Dec 2018 10:03:08 +0000Collected Evidence: Collected Evidence: Plant in-field trees We found no studies that evaluated the effects of planting in-field trees on bat populations. ‘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.Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1946https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1946Tue, 04 Dec 2018 10:04:30 +0000
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 21

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 ProgrammeRed List Champion - Arc Kent Wildlife Trust The Rufford Foundation Save the Frogs - Ghana Mauritian Wildlife Supporting Conservation Leaders
Sustainability Dashboard National Biodiversity Network Frog Life The international journey of Conservation - Oryx Cool Farm Alliance UNEP AWFA Bat Conservation InternationalPeople trust for endangered species Vincet Wildlife Trust