Collected Evidence: Collected Evidence: Legally protect reptile species Six studies evaluated the effects of legally protecting reptile species on their populations. Two studies were in the Netherlands and one was in each of the USA, Australia, the Seychelles and Cape Verde. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (3 STUDIES) Abundance (2 studies): One of two studies (including one replicated, site comparison study and one before-and-after study) in the USA and Australia found that waterbodies where turtle harvesting was prohibited had a similar abundance of red-eared sliders and Texas spiny softshell turtles compared to unprotected waterbodies. The other study found that following legal protection and harvest regulation, the density of saltwater crocodile populations increased. Reproductive success (1 studies): One before-and-after study in the Seychelles found that following legal protection of both green turtles and their habitat, nesting activity increased. Condition (2 studies): Two studies (including one replicated, site comparison study and one before-and-after study) in the USA and Australia found that in areas with legal protection and/or harvest regulation, Texas spiny softshell turtles and saltwater crocodiles were larger than in areas with no protection or before protection began. One study also found that female red-eared sliders were larger, but males were a similar size in protected compared to unprotected waterbodies. BEHAVIOUR (0 STUDIES) OTHER (3 studies) Human behaviour change (3 studies): Two reviews in the Netherlands found that despite legislation protecting reptiles and their habitat, only one of four development projects completed their habitat compensation requirements or that compensatory slow worm habitat was not completed in time. Both studies also found that monitoring data was not available or that the success of a slow worm mitigation translocation could not be assessed. One replicated, before-and-after study in Cape Verde reported that following legal protections combined with public awareness campaigns, self-reported harvesting, selling and purchasing of sea turtles and turtle products decreased. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3705https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3705Mon, 13 Dec 2021 10:32:56 +0000Collected Evidence: Collected Evidence: Develop/implement species recovery plans One study evaluated the effects of developing/implementing species recovery plans on reptile populations. This study was in Australia. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Conservation status (1 study): One controlled, before-and-after, paired study in Australia found that the chance of a species’ conservation status improving or being stable was similar for those with a recovery plan (including three reptile species) and those without a plan (including three reptile species). Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3707https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3707Mon, 13 Dec 2021 11:13:35 +0000
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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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