Collected Evidence: Collected Evidence: Use bindings to keep trawl nets closed until they have sunk below the water surface We found no studies that evaluated the effects of using bindings to keep trawl nets closed until they have sunk below the water surface 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%2Fconservationevidencejournal.com%2Factions%2F2800https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2800Thu, 04 Feb 2021 16:41:58 +0000Collected Evidence: Collected Evidence: Use different bait species for fishing that are less attractive to mammals We found no studies that evaluated the effects of using different bait species for fishing that are less attractive to mammals 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%2Fconservationevidencejournal.com%2Factions%2F2826https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2826Fri, 05 Feb 2021 15:57:29 +0000Collected Evidence: Collected Evidence: Install bypass channels in dams We found no studies that evaluated the effects of installing bypass channels in dams 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%2Fconservationevidencejournal.com%2Factions%2F2848https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2848Fri, 05 Feb 2021 16:37:32 +0000Collected Evidence: Collected Evidence: Maintain water level and flow along regulated rivers We found no studies that evaluated the effects of maintaining water level and flow along regulated rivers 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%2Fconservationevidencejournal.com%2Factions%2F2850https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2850Fri, 05 Feb 2021 16:39:24 +0000Collected Evidence: Collected Evidence: Physically remove invasive or problematic species We found no studies that evaluated the effects of physically removing invasive or other problematic species 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%2Fconservationevidencejournal.com%2Factions%2F2851https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2851Mon, 08 Feb 2021 10:58:53 +0000Collected Evidence: Collected Evidence: Use biological control to manage invasive or problematic species We found no studies that evaluated the effects of using biological control to manage invasive or problematic species 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%2Fconservationevidencejournal.com%2Factions%2F2852https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2852Mon, 08 Feb 2021 10:59:49 +0000Collected Evidence: Collected Evidence: Limit, cease or prohibit ballast water exchange in specific areas We found no studies that evaluated the effects of limiting, ceasing or prohibiting ballast water exchange in specific areas 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%2Fconservationevidencejournal.com%2Factions%2F2853https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2853Mon, 08 Feb 2021 11:00:40 +0000Collected Evidence: Collected Evidence: Treat ballast water before release We found no studies that evaluated the effects of treating ballast water before release, 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%2Fconservationevidencejournal.com%2Factions%2F2854https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2854Mon, 08 Feb 2021 11:01:49 +0000Collected Evidence: Collected Evidence: Carry out surveillance for diseases We found no studies that evaluated the effects of carrying out surveillance for diseases 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%2Fconservationevidencejournal.com%2Factions%2F2857https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2857Mon, 08 Feb 2021 11:14:33 +0000Collected Evidence: Collected Evidence: Vaccinate against disease We found no studies that evaluated the effects of vaccinating against disease 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%2Fconservationevidencejournal.com%2Factions%2F2858https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2858Mon, 08 Feb 2021 11:15:29 +0000Collected Evidence: Collected Evidence: Treat disease in wild marine and freshwater mammals We found no studies that evaluated the effects of treating disease in wild marine and freshwater 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%2Fconservationevidencejournal.com%2Factions%2F2860https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2860Mon, 08 Feb 2021 11:19:04 +0000Collected Evidence: Collected Evidence: Establish pollution emergency plans We found no studies that evaluated the effects of establishing emergency pollution plans 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%2Fconservationevidencejournal.com%2Factions%2F2862https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2862Mon, 08 Feb 2021 11:24:01 +0000Collected Evidence: Collected Evidence: Limit, cease or prohibit dumping of untreated sewage We found no studies that evaluated the effects of limiting, ceasing or prohibiting dumping of untreated sewage 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%2Fconservationevidencejournal.com%2Factions%2F2865https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2865Mon, 08 Feb 2021 11:26:21 +0000Collected Evidence: Collected Evidence: Limit, cease or prohibit dumping of sewage sludge We found no studies that evaluated the effects of limiting, ceasing or prohibiting dumping of sewage sludge 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%2Fconservationevidencejournal.com%2Factions%2F2866https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2866Mon, 08 Feb 2021 11:26:58 +0000Collected Evidence: Collected Evidence: Set or improve minimum sewage treatment standards We found no studies that evaluated the effects of setting or improving minimum sewage treatment standards 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%2Fconservationevidencejournal.com%2Factions%2F2867https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2867Mon, 08 Feb 2021 11:27:34 +0000Collected Evidence: Collected Evidence: Limit the amount of storm wastewater overflow We found no studies that evaluated the effects of limiting the amount of storm wastewater overflow 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%2Fconservationevidencejournal.com%2Factions%2F2868https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2868Mon, 08 Feb 2021 11:28:18 +0000Collected Evidence: Collected Evidence: Use double hulls to prevent oil spills We found no studies that evaluated the effects of using double hulls to prevent oil spills 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%2Fconservationevidencejournal.com%2Factions%2F2869https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2869Mon, 08 Feb 2021 11:29:07 +0000Collected Evidence: Collected Evidence: Remove or clean-up oil pollution following a spill We found no studies that evaluated the effects of removing or cleaning up oil pollution following a spill 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%2Fconservationevidencejournal.com%2Factions%2F2870https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2870Mon, 08 Feb 2021 11:29:48 +0000Collected Evidence: Collected Evidence: Rehabilitate and release marine and freshwater mammals following oil spills We found no studies that evaluated the effects of rehabilitating and releasing marine and freshwater mammals following 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%2Fconservationevidencejournal.com%2Factions%2F2871https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2871Mon, 08 Feb 2021 11:30:30 +0000Collected Evidence: Collected Evidence: Relocate marine and freshwater mammals following oil spills We found no studies that evaluated the effects of relocating marine and freshwater mammals following 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%2Fconservationevidencejournal.com%2Factions%2F2872https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2872Mon, 08 Feb 2021 11:31:21 +0000Collected Evidence: Collected Evidence: Set regulatory ban on marine burial of nuclear waste We found no studies that evaluated the effects of setting a regulatory ban on marine burial of nuclear waste on marine 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%2Fconservationevidencejournal.com%2Factions%2F2875https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2875Mon, 08 Feb 2021 11:41:02 +0000Collected Evidence: Collected Evidence: Reduce the amount of pesticides used in aquaculture systems We found no studies that evaluated the effects of reducing the amount of pesticides used in 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%2Fconservationevidencejournal.com%2Factions%2F2877https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2877Mon, 08 Feb 2021 11:42:45 +0000Collected Evidence: Collected Evidence: Reduce the amount of antibiotics used in aquaculture systems We found no studies that evaluated the effects of reducing the amount of antibiotics used in 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%2Fconservationevidencejournal.com%2Factions%2F2878https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2878Mon, 08 Feb 2021 11:43:28 +0000Collected Evidence: Collected Evidence: Reduce pesticide, herbicide or fertilizer use We found no studies that evaluated the effects of reducing pesticide, herbicide or fertilizer use 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%2Fconservationevidencejournal.com%2Factions%2F2879https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2879Mon, 08 Feb 2021 11:44:13 +0000Collected Evidence: Collected Evidence: Treat wastewater from intensive livestock holdings We found no studies that evaluated the effects of treating wastewater from intensive livestock holdings 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%2Fconservationevidencejournal.com%2Factions%2F2880https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2880Mon, 08 Feb 2021 11:44:53 +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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The Conservation Evidence Journal

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