Collected Evidence: Collected Evidence: Facilitate tidal exchange before/after planting trees/shrubs: freshwater wetlandsWe found no studies that evaluated the effects, on vegetation, of facilitating tidal exchange in freshwater wetlands planted with trees/shrubs.   ‘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%2F3278https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3278Sat, 10 Apr 2021 17:07:37 +0100Collected Evidence: Collected Evidence: Facilitate tidal exchange before/after planting trees/shrubs: brackish/saline wetlandsWe found no studies that evaluated the effects, on vegetation, of facilitating tidal exchange in brackish/saline wetlands planted with trees/shrubs.   ‘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%2F3279https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3279Sat, 10 Apr 2021 17:07:46 +0100Collected Evidence: Collected Evidence: Irrigate (before/after planting)We found no studies that evaluated the effects, on vegetation, of irrigating areas planted with emergent marsh/swamp plants.   ‘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%2F3280https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3280Sat, 10 Apr 2021 17:15:17 +0100Collected Evidence: Collected Evidence: Actively manage water level before/after planting non-woody plants: brackish/saline wetlandsWe found no studies that evaluated the effects, on vegetation, of actively managing water levels in brackish/saline wetlands planted with emergent, non-woody plants.   ‘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%2F3282https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3282Sat, 10 Apr 2021 17:15:48 +0100Collected Evidence: Collected Evidence: Actively manage water level before/after planting trees/shrubs: freshwater wetlandsWe found no studies that evaluated the effects, on vegetation, of actively managing water levels in freshwater wetlands planted with trees/shrubs.   ‘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%2F3283https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3283Sat, 10 Apr 2021 17:15:55 +0100Collected Evidence: Collected Evidence: Actively manage water level before/after planting trees/shrubs: brackish/saline wetlandsWe found no studies that evaluated the effects, on vegetation, of actively managing water levels in brackish/saline wetlands planted with trees/shrubs.   ‘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%2F3284https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3284Sat, 10 Apr 2021 17:16:15 +0100Collected Evidence: Collected Evidence: Reprofile/relandscape (before planting)We found no studies that evaluated the effects, on vegetation, of reprofiling/relandscaping before planting emergent marsh/swamp plants.   ‘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%2F3285https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3285Sat, 10 Apr 2021 17:30:50 +0100Collected Evidence: Collected Evidence: Remove surface soil/sediment (before planting)We found no studies that evaluated the effects, on vegetation, of removing surface soil/sediment before planting emergent marsh/swamp plants.   ‘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%2F3290https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3290Sat, 10 Apr 2021 20:04:01 +0100Collected Evidence: Collected Evidence: Bury surface soil/sediment (before planting)We found no studies that evaluated the effects, on vegetation, of burying surface soil/sediment before planting emergent marsh/swamp plants.   ‘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%2F3291https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3291Sat, 10 Apr 2021 20:05:00 +0100Collected Evidence: Collected Evidence: Disturb soil/sediment surface before planting non-woody plants: freshwater wetlandsWe found no studies that evaluated the effects, on vegetation, of disturbing the surface of freshwater wetlands before planting emergent, non-woody plants.   ‘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%2F3292https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3292Sun, 11 Apr 2021 07:56:39 +0100Collected Evidence: Collected Evidence: Disturb soil/sediment surface before planting trees/shrubs: freshwater wetlandsWe found no studies that evaluated the effects, on vegetation, of disturbing the surface of freshwater wetlands before planting trees/shrubs.   ‘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%2F3294https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3294Sun, 11 Apr 2021 07:57:05 +0100Collected Evidence: Collected Evidence: Add upland topsoil before/after planting non-woody plants: brackish/saline wetlandsWe found no studies that evaluated the effects, on vegetation, of adding upland topsoil to brackish/saline wetlands planted with emergent, non-woody plants.   ‘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%2F3297https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3297Sun, 11 Apr 2021 08:11:32 +0100Collected Evidence: Collected Evidence: Add upland topsoil before/after planting trees/shrubs: freshwater wetlandsWe found no studies that evaluated the effects, on vegetation, of adding upland topsoil to freshwater wetlands planted with trees/shrubs.   ‘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%2F3298https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3298Sun, 11 Apr 2021 08:11:43 +0100Collected Evidence: Collected Evidence: Add upland topsoil before/after planting trees/shrubs: brackish/saline wetlandsWe found no studies that evaluated the effects, on vegetation, of adding upland topsoil to brackish/saline wetlands planted with trees/shrubs.   ‘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%2F3299https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3299Sun, 11 Apr 2021 08:11:53 +0100Collected Evidence: Collected Evidence: Add lime or similar chemicals before/after planting non-woody plants: freshwater wetlandsWe found no studies that evaluated the effects, on vegetation, of adding neutralizing chemicals to freshwater wetlands planted with emergent, non-woody plants.   ‘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%2F3300https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3300Sun, 11 Apr 2021 08:46:21 +0100Collected Evidence: Collected Evidence: Add lime or similar chemicals before/after planting trees/shrubs: freshwater wetlandsWe found no studies that evaluated the effects, on vegetation, of adding neutralizing chemicals to freshwater wetlands planted with trees/shrubs.   ‘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%2F3302https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3302Sun, 11 Apr 2021 08:46:44 +0100Collected Evidence: Collected Evidence: Add lime or similar chemicals before/after planting trees/shrubs: brackish/saline wetlandsWe found no studies that evaluated the effects, on vegetation, of adding neutralizing chemicals to brackish/saline wetlands planted with trees/shrubs.   ‘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%2F3303https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3303Sun, 11 Apr 2021 08:46:55 +0100Collected Evidence: Collected Evidence: Add inorganic fertilizer before/after planting trees/shrubs: brackish/saline wetlandsWe found no studies that evaluated the effects, on vegetation, of adding inorganic fertilizer to brackish/saline wetlands planted with trees/shrubs.   ‘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%2F3307https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3307Sun, 11 Apr 2021 08:57:43 +0100Collected Evidence: Collected Evidence: Add surface mulch before/after planting trees/shrubs: brackish/saline wetlandsWe found no studies that evaluated the effects, on vegetation, of mulching brackish/saline wetlands planted with trees/shrubs.   ‘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%2F3315https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3315Sun, 11 Apr 2021 12:06:27 +0100Collected Evidence: Collected Evidence: Add cover other than mulch before/after planting non-woody plants: brackish/saline wetlandsWe found no studies that evaluated the effects, on vegetation, of adding cover other than mulch to brackish/saline wetlands planted with emergent, non-woody plants.   ‘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%2F3317https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3317Sun, 11 Apr 2021 12:19:32 +0100Collected Evidence: Collected Evidence: Transplant wetland soil before/after planting non-woody plants: brackish/saline wetlandsWe found no studies that evaluated the effects, on vegetation, of transplanting wetland soil to brackish/saline wetlands planted with emergent, non-woody plants.   ‘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%2F3321https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3321Sun, 11 Apr 2021 12:33:42 +0100Collected Evidence: Collected Evidence: Transplant wetland soil before/after planting trees/shrubs: freshwater wetlandsWe found no studies that evaluated the effects, on vegetation, of transplanting wetland soil to freshwater wetlands planted with trees/shrubs.   ‘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%2F3322https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3322Sun, 11 Apr 2021 12:33:50 +0100Collected Evidence: Collected Evidence: Transplant wetland soil before/after planting trees/shrubs: brackish/saline wetlandsWe found no studies that evaluated the effects, on vegetation, of transplanting wetland soil to brackish/saline wetlands planted with trees/shrubs.   ‘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%2F3323https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3323Sun, 11 Apr 2021 12:34:00 +0100Collected Evidence: Collected Evidence: Introduce nurse plants to aid focal trees/shrubs: freshwater wetlandsWe found no studies that evaluated the effects, on vegetation, of introducing nurse plants to freshwater wetlands planted with trees/shrubs.   ‘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%2F3326https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3326Sun, 11 Apr 2021 12:43:00 +0100Collected Evidence: Collected Evidence: Use fences or barriers to protect brackish/saline wetlands planted with non-woody plantsWe found no studies that evaluated the effects, on vegetation, of using fences or barriers to protect brackish/saline wetlands planted with emergent, non-woody plants.   ‘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%2F3329https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3329Sun, 11 Apr 2021 13:14:53 +0100
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.

More about What Works in Conservation

Download free PDF or purchase
The Conservation Evidence Journal

The Conservation Evidence Journal

An online, free to publish in, open-access journal publishing results from research and projects that test the effectiveness of conservation actions.

Read the latest volume: Volume 21

Go to the CE Journal

Discover more on our blog

Our blog contains the latest news and updates from the Conservation Evidence team, the Conservation Evidence Journal, and our global partners in evidence-based conservation.

Who uses Conservation Evidence?

Meet some of the evidence champions

Endangered Landscape ProgrammeRed List Champion - Arc Kent Wildlife Trust The Rufford Foundation Save the Frogs - Ghana Mauritian Wildlife Supporting Conservation Leaders
Sustainability Dashboard National Biodiversity Network Frog Life The international journey of Conservation - Oryx Cool Farm Alliance UNEP AWFA Bat Conservation InternationalPeople trust for endangered species Vincet Wildlife Trust
For a full list of, and information about, our champions:
All Evidence Champions
About our champions, why and how to become one:
Become an Evidence Champion

This website uses Cookies

We use limited Cookies to run the site and to analyse our traffic (none for site vendors). By using this site, you will be providing your consent to our use of Cookies.

Accept & continue