Collected Evidence: Collected Evidence: Provide reptiles with escape routes from canals, drains and ditches We found no studies that evaluated the effects on their populations of providing reptiles with escape routes from canals drains and ditches. ‘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%2F3788https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3788Wed, 15 Dec 2021 16:32:21 +0000Collected Evidence: Collected Evidence: Provide rewards (monetary or non-monetary) for reporting injured or entangled reptiles We found no studies that evaluated the effects of providing rewards for reporting injured or entangled reptiles on their 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%2F3789https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3789Wed, 15 Dec 2021 16:33:36 +0000Collected Evidence: Collected Evidence: Fence cliff edges to prevent individuals from falling One study evaluated the effects on reptile populations of fencing cliff edges to prevent individuals from falling. This study was in Australia. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): One before-and-after study in Australia found that after installing a fence along a small cliff edge, fewer green turtle carcasses were found at the base of the cliff compared to before installation. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3790https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3790Wed, 15 Dec 2021 16:37:17 +0000Collected Evidence: Collected Evidence: Bring threatened wild populations into captivity Three studies evaluated the effects on reptile populations of bringing threatened wild populations into captivity. One study was in each of New Zealand, Myanmar and Australia. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (3 STUDIES) Abundance (2 studies): One of two replicated studies in Myanmar and Australia found that after bringing Burmese start tortoises into captivity the populations increased from 175 individuals to over 7,000 in 12 years. The other study found that Lister’s gecko and blue-tailed skink populations remained stable or grew over 4–5 years in captivity. Reproductive success (2 studies): Two replicated studies in New Zealand and Myanmar found that after bringing tuatara and Burmese start tortoises into captivity, 44% of tuatara eggs hatched successfully in 16 years, and the number of hatchlings produced by Burmese start tortoises increased from 168 to over 2,000 in eight years Survival (1 studies): One replicated study in New Zealand found that varying proportions of wild tuatara brought into captivity survived for 16 years. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3791https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3791Wed, 15 Dec 2021 16:40:22 +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.

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