Collected Evidence: Collected Evidence: Introduce legislation to control the use of hazardous substances We found no studies that evaluated the effects on reptile populations of introducing legislation to control the use of hazardous substances. ‘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%2F3560https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3560Wed, 08 Dec 2021 14:46:27 +0000Collected Evidence: Collected Evidence: Use ‘bioremediating’ organisms to remove or neutralize pollutants We found no studies that evaluated the effects on reptile populations of using ‘bioremediating’ organisms to remove or neutralize pollutants. ‘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%2F3561https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3561Wed, 08 Dec 2021 14:47:42 +0000Collected Evidence: Collected Evidence: Add chemicals or minerals to sediment to remove or neutralize pollutants We found no studies that evaluated the effects on reptile populations of adding chemicals or minerals to sediment to remove or neutralize pollutants. ‘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%2F3562https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3562Wed, 08 Dec 2021 14:50:43 +0000Collected Evidence: Collected Evidence: Limit, cease or prohibit dumping of garbage and other solid waste We found no studies that evaluated the effects on reptile populations of limiting, ceasing or prohibiting dumping of garbage and other solid waste. ‘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%2F3563https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3563Wed, 08 Dec 2021 14:51:43 +0000Collected Evidence: Collected Evidence: Remove garbage and other solid waste from terrestrial, aquatic and coastal environments One study evaluated the effects of removing garbage and other solid waste from terrestrial, aquatic and coastal environments on reptile populations. This study was in the USA. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Reproductive success (1 study): One controlled, before-and-after study in the USA found that removing beach debris from one section of beach did not increase nesting success in that section. BEHAVIOUR (1 STUDY) Use (1 study): One controlled, before-and-after study in the USA found that after the removal of beach debris from one of three beach sections, a higher percentage of both the total nests laid and failed nesting attempts occurred in that section. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3564https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3564Wed, 08 Dec 2021 14:52:44 +0000Collected Evidence: Collected Evidence: Use biodegradable materials to construct fishing gear to prevent entanglement of reptiles in lost or abandoned gear We found no studies that evaluated the effects on reptile populations of using biodegradable materials to construct fishing gear to prevent entanglement of reptiles in lost or abandoned gear. ‘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%2F3565https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3565Wed, 08 Dec 2021 14:56:52 +0000Collected Evidence: Collected Evidence: Prevent the loss and discard of fishing gear and related debris We found no studies that evaluated the effects on reptile populations of preventing the loss and discard of fishing gear and related debris. ‘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%2F3566https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3566Wed, 08 Dec 2021 14:58:04 +0000Collected Evidence: Collected Evidence: Recover lost or discarded fishing gear We found no studies that evaluated the effects on reptile populations of recovering lost or discarded fishing gear. ‘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%2F3567https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3567Wed, 08 Dec 2021 15:04:44 +0000Collected Evidence: Collected Evidence: Remove derelict fishing gear from reptiles found entangled We found no studies that evaluated the effects on reptile populations of removing derelict fishing gear from reptiles found entangled. ‘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%2F3568https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3568Wed, 08 Dec 2021 15:07:01 +0000Collected Evidence: Collected Evidence: Improve treatment standards of sewage and wastewater We found no studies that evaluated the effects on reptile populations of improving treatment standards of sewage and wastewater. ‘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%2F3569https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3569Wed, 08 Dec 2021 15:08:10 +0000Collected Evidence: Collected Evidence: Create walls or barriers to exclude pollutants We found no studies that evaluated the effects on reptile populations of creating walls or barriers to exclude pollutants. ‘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%2F3570https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3570Wed, 08 Dec 2021 15:12:06 +0000Collected Evidence: Collected Evidence: Use non-offset hooks Two studies evaluated the effects of using non-offset hooks on reptile populations. One study was off the Pacific coast of Costa Rica and one was in the north-east Atlantic. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): One replicated, controlled, paired study in the north-east Atlantic Ocean found that mortality of leatherback turtles was similar when caught with non-offset hooks or offset hooks. BEHAVIOUR (0 STUDIES) OTHER (2 STUDIES) Unwanted catch (2 studies): One of two replicated, paired studies (including one controlled study) off the Pacific coast of Costa Rica and in the north-east Atlantic found that non-offset circle hooks caught a similar number of olive ridley and green turtles compared to offset circle hooks in a shallow-set longline fishery. The other study found that non-offset G-style circle hooks caught fewer leatherback and hard-shell turtles compared to offset Gt-style circle hooks or offset J-hooks in a longline swordfish fishery. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3571https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3571Wed, 08 Dec 2021 15:13:12 +0000Collected Evidence: Collected Evidence: Cease or prohibit discharge of waste effluents overboard from vessels We found no studies that evaluated the effects on reptile populations of ceasing or prohibiting discharge of waste effluents overboard from vessels. ‘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%2F3572https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3572Wed, 08 Dec 2021 15:13:22 +0000Collected Evidence: Collected Evidence: Establish emergency plans for oil spills We found no studies that evaluated the effects on reptile populations of establishing emergency plans for oil spills. ‘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%2F3573https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3573Wed, 08 Dec 2021 15:14:32 +0000Collected Evidence: Collected Evidence: Contain or recover oil following spills We found no studies that evaluated the effects on reptile populations of containing or recovering oil following spills. ‘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%2F3574https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3574Wed, 08 Dec 2021 15:15:38 +0000Collected Evidence: Collected Evidence: Rehabilitate reptiles following oil spills One study evaluated the effects on reptile populations of rehabilitating reptiles following oil spills. This study was in the USA1. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): One replicated study in the USA1 found that almost all sea turtles that were de-oiled recovered and could be released. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3575https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3575Wed, 08 Dec 2021 15:17:14 +0000Collected Evidence: Collected Evidence: Use non-ringed hooks One study evaluated the effects of using non-ringed hooks on reptile populations. This study was in the Mediterranean. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Unwanted catch (1 study): One replicated, paired study in the Mediterranean found that when non-ringed circle hooks were used in a swordfish longline fishery fewer loggerhead turtles were caught compared to when ringed hooks were used. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3576https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3576Wed, 08 Dec 2021 15:18:56 +0000Collected Evidence: Collected Evidence: Relocate reptiles (including eggs and hatchlings) following oil spills Studies investigating the effect of relocating reptiles are discussed in Species management. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3577https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3577Wed, 08 Dec 2021 15:20:01 +0000Collected Evidence: Collected Evidence: Use larger hooks Two studies evaluated the effects of using larger hooks on reptile populations. One study was in the USA and one was in the Eastern Pacific Ocean. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (1 STUDY) Use (1 study): One study in the USA of captive loggerhead turtles found that turtles were less likely to attempt to swallow larger circle hooks than smaller ones. OTHER (1 STUDY) Unwanted catch (1 study): One replicated study in the Eastern Pacific Ocean found that olive ridley turtles were less likely to be caught by swallowing larger hooks than smaller ones. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3578https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3578Wed, 08 Dec 2021 15:21:29 +0000Collected Evidence: Collected Evidence: Regulate planning permission for gas/filling stations at reptile sites We found no studies that evaluated the effects on reptile populations of regulating planning permission for gas/filling stations at reptile sites. ‘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%2F3579https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3579Wed, 08 Dec 2021 15:24:55 +0000Collected Evidence: Collected Evidence: Modify number of hooks between floats on longlines One study evaluated the effects of modifying the number of hooks between floats on longlines on reptile populations. This study was in the Atlantic and North Pacific. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Unwanted catch (1 study): One replicated study in the Atlantic and North Pacific found that having fewer hooks between floats did not reduce turtle by-catch in the Pacific but had mixed effects in the Atlantic depending on the species. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3580https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3580Wed, 08 Dec 2021 15:25:39 +0000Collected Evidence: Collected Evidence: Introduce and enforce water quality regulations for aquaculture systems We found no studies that evaluated the effects on reptile populations of introducing and enforcing water quality regulations for aquaculture systems. ‘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%2F3581https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3581Wed, 08 Dec 2021 15:26:09 +0000Collected Evidence: Collected Evidence: Use catch and hook protection devices We found no studies that evaluated the effects of using catch and hook protection devices on reptile 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%2F3582https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3582Wed, 08 Dec 2021 15:27:59 +0000Collected Evidence: Collected Evidence: Switch to land-based aquaculture systems We found no studies that evaluated the effects on reptile populations of switching to land-based aquaculture systems. ‘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%2F3583https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3583Wed, 08 Dec 2021 15:28:32 +0000Collected Evidence: Collected Evidence: Install exclusion devices on fishing gear: Sea turtles Three studies evaluated the effects of installing exclusion devices on fishing gear on sea turtle populations. One study was in the Gulf of Mexico (USA), one was in the Mid-Atlantic (USA) and one was off the coast of Western Australia. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): One replicated, before-and-after study in the Gulf of Mexico found that when exclusion grids with escape holes were used in a shrimp trawl fishery there were fewer lethal strandings of loggerhead turtles compared to when grids were not used. BEHAVIOUR (1 STUDY) Use (1 study): One controlled study in the Mid-Atlantic found that when exclusion devices were used on scallop dredges there were fewer interactions with sea turtles than when no devices were used. OTHER (1 STUDY) Unwanted catch (1 study): One replicated study off the coast of Western Australia found that exclusion grids with escape hatches prevented sea turtles entering trawl nets. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3584https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3584Wed, 08 Dec 2021 15:30:20 +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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