Collected Evidence: Collected Evidence: Cease or prohibit the harvest of sea urchins We found no studies that evaluated the effects ceasing or prohibiting the harvest of sea urchins on their 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%2F2279https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2279Wed, 23 Oct 2019 13:36:04 +0100Collected Evidence: Collected Evidence: Remove and relocate invertebrate species before onset of impactful activities We found no studies that evaluated the effects of removing and relocating invertebrate species before onset of impactful activities on their 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%2F2280https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2280Wed, 23 Oct 2019 13:36:46 +0100Collected Evidence: Collected Evidence: Provide educational or other training programmes about the marine environment to improve behaviours towards marine invertebrates One study examined the effects of providing educational or other training programmes about the marine environment on subtidal benthic invertebrate populations. The study took place in Hong Kong.   COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (1 STUDY) Behaviour change (1 study): One replicated, before-and-after survey study in Hong Kong found that a conservation education programme on the Asian horseshoe crab in secondary schools significantly increased the students’ behaviour towards Asian horseshoe crab conservation. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2281https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2281Wed, 23 Oct 2019 13:38:47 +0100Collected Evidence: Collected Evidence: Organise educational marine wildlife tours to improve behaviours towards marine invertebrates We found no studies that evaluated the effects of organising educational marine wildlife tours to induce behavioural changes and increase engagement in marine conservation on human behaviour and/or subtidal benthic invertebrate 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%2F2282https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2282Wed, 23 Oct 2019 13:39:32 +0100Collected Evidence: Collected Evidence: Modify aquaculture gear We found no studies that evaluated the effects of modifying aquaculture gear on marine and freshwater mammal 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%2F2742https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2742Tue, 02 Feb 2021 15:42:55 +0000Collected Evidence: Collected Evidence: Modify anti-predator nets around aquaculture systems We found no studies that evaluated the effects of modifying anti-predator nets around aquaculture systems on marine and freshwater mammal 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%2F2743https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2743Tue, 02 Feb 2021 16:22:41 +0000Collected Evidence: Collected Evidence: Minimize food waste at aquaculture systems We found no studies that evaluated the effects of minimizing food waste at aquaculture systems on marine and freshwater mammal 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%2F2744https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2744Tue, 02 Feb 2021 16:41:13 +0000Collected Evidence: Collected Evidence: Introduce and enforce legislation to prevent intentional killing of mammals at aquaculture systems We found no studies that evaluated the effects of introducing and enforcing legislation to prevent intentional killing of mammals at 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%2F2745https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2745Tue, 02 Feb 2021 16:43:17 +0000Collected Evidence: Collected Evidence: Introduce and enforce regulations to prevent the use of harmful deterrents on mammals at aquaculture systems We found no studies that evaluated the effects of introducing and enforcing regulations to prevent the use of harmful deterrents on mammals at 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%2F2746https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2746Tue, 02 Feb 2021 16:45:37 +0000Collected Evidence: Collected Evidence: Modify design of underwater turbines We found no studies that evaluated the effects of modifying the design of underwater turbines on marine and freshwater mammal 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%2F2747https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2747Tue, 02 Feb 2021 16:46:52 +0000Collected Evidence: Collected Evidence: Use acoustic devices at renewable energy sites We found no studies that evaluated the effects of using acoustic devices at renewable energy sites on marine and freshwater mammal 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%2F2748https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2748Tue, 02 Feb 2021 16:48:11 +0000Collected Evidence: Collected Evidence: Use real-time automated tools at renewable energy sites to detect marine and freshwater mammals and allow operations to be stopped or modified We found no studies that evaluated the effects of using real-time automated tools at renewable energy sites to detect marine and freshwater mammals and allow operations to be stopped or modified. ‘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%2F2749https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2749Tue, 02 Feb 2021 16:49:29 +0000Collected Evidence: Collected Evidence: Install diversion or return systems on cooling water intake structures We found no studies that evaluated the effects of installing diversion or return systems on cooling water intake structures on marine and freshwater mammal 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%2F2750https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2750Tue, 02 Feb 2021 16:50:44 +0000Collected Evidence: Collected Evidence: Use acoustic devices at cooling water intake structures We found no studies that evaluated the effects of using acoustic devices at cooling water intake structures on marine and freshwater mammal 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%2F2751https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2751Tue, 02 Feb 2021 16:53:08 +0000Collected Evidence: Collected Evidence: Reduce capacity of cooling water intake structures We found no studies that evaluated the effects of reducing capacity of cooling water intake structures on marine and freshwater mammal 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%2F2752https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2752Tue, 02 Feb 2021 16:54:58 +0000Collected Evidence: Collected Evidence: Use cooling towers instead of once-through cooling systems We found no studies that evaluated the effects of using cooling towers instead of once-through cooling systems on marine and freshwater mammal 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%2F2753https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2753Tue, 02 Feb 2021 16:56:13 +0000Collected Evidence: Collected Evidence: Divert shipping routes We found no studies that evaluated the effects of diverting shipping routes on marine and freshwater mammal 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%2F2754https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2754Tue, 02 Feb 2021 16:57:34 +0000Collected Evidence: Collected Evidence: Use observers on board vessels to detect mammals and allow vessel course or speed to be altered We found no studies that evaluated the effects of using observers on board vessels to detect mammals and allow vessel course or speed to be altered. ‘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%2F2755https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2755Tue, 02 Feb 2021 16:58:54 +0000Collected Evidence: Collected Evidence: Use real-time automated tools on board vessels to detect mammals and allow vessel course or speed to be altered We found no studies that evaluated the effects of using real-time automated tools on board vessels to detect mammals and allow vessel course or speed to be altered. ‘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%2F2756https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2756Tue, 02 Feb 2021 17:00:08 +0000Collected Evidence: Collected Evidence: Use remote tools to detect mammals in an area and allow vessel course or speed to be altered We found no studies that evaluated the effects of using remote tools to detect mammals in an area and allow vessel course or speed to be altered. ‘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%2F2757https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2757Tue, 02 Feb 2021 17:01:20 +0000Collected Evidence: Collected Evidence: Develop and implement regulations for operating vessels around mammals We found no studies that evaluated the effects of developing and implementing regulations for operating vessels around mammals. ‘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%2F2758https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2758Tue, 02 Feb 2021 17:02:30 +0000Collected Evidence: Collected Evidence: Provide training to vessel operators on mammal behaviour and appropriate avoidance techniques We found no studies that evaluated the effects of providing training to vessel operators on mammal behaviour and appropriate avoidance techniques. ‘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%2F2759https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2759Tue, 02 Feb 2021 17:03:34 +0000Collected Evidence: Collected Evidence: Provide educational materials at marinas and ports to encourage vessel operators to carry out safe practices around mammals (e.g. signs, leaflets) We found no studies that evaluated the effects of providing educational materials at marinas and ports to encourage vessel operators to carry out safe practices around mammals. ‘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%2F2760https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2760Tue, 02 Feb 2021 17:04:29 +0000Collected Evidence: Collected Evidence: Use acoustic devices on moving vessels We found no studies that evaluated the effects of using acoustic devices on moving vessels on marine and freshwater mammal 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%2F2761https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2761Tue, 02 Feb 2021 17:05:37 +0000Collected Evidence: Collected Evidence: Modify vessels to reduce risk of physical injury to mammals We found no studies that evaluated the effects of modifying vessels to reduce risk of physical injury to mammals. ‘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%2F2762https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2762Tue, 02 Feb 2021 17:06:48 +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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