Collected Evidence: Collected Evidence: Manage grazing regime One replicated, controlled study in the UK found that grazed plots did not have higher abundance of natterjack toads than ungrazed plots and had lower abundance of common toads. Five studies (including four replicated studies) in Denmark, Estonia and the UK found that habitat management that included reintroduction of grazing increased green toad populations, maintained or increased natterjack toad populations and maintained common toad populations. One before-and-after study in the USA found that the decline in amphibian species was similar under traditional season-long or intensive-early cattle stocking.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F780https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F780Thu, 22 Aug 2013 13:11:37 +0100Collected Evidence: Collected Evidence: Change mowing regime One before-and-after study in Australia found that restoration that included reduced mowing increased numbers of frog species.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F783https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F783Thu, 22 Aug 2013 13:49:26 +0100Collected Evidence: Collected Evidence: Manage cutting regimeOne study investigating the effects of changing mowing regimes is discussed in ‘Habitat restoration and creation – Change mowing regime’.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F788https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F788Thu, 22 Aug 2013 14:31:54 +0100Collected Evidence: Collected Evidence: Reduce tillage We found no evidence for the effects of reduced tillage on amphibian populations. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2Fconservationevidencejournal.com%2Factions%2F789https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F789Thu, 22 Aug 2013 14:32:49 +0100Collected Evidence: Collected Evidence: Maintain or restore hedges We found no evidence for the effects of maintaining or restoring of hedges on amphibian populations. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2Fconservationevidencejournal.com%2Factions%2F790https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F790Thu, 22 Aug 2013 14:33:36 +0100Collected Evidence: Collected Evidence: Plant new hedges We found no evidence for the effects of planting hedges on amphibian populations. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2Fconservationevidencejournal.com%2Factions%2F791https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F791Thu, 22 Aug 2013 14:34:21 +0100Collected Evidence: Collected Evidence: Manage silviculture practices in plantations Studies investigating the effects of silviculture practices are discussed in ‘Threat: Biological resource use – Logging & wood harvesting’.      Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F792https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F792Thu, 22 Aug 2013 14:35:09 +0100
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.

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