Collected Evidence: Collected Evidence: Abandon mined land: allow freshwater marshes or swamps to recover without active interventionWe found no studies that evaluated the effects on vegetation, of abandoning formerly mined land with the expectation that freshwater marshes or swamps would recover spontaneously.   ‘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%2F2984https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2984Thu, 25 Mar 2021 20:17:56 +0000Collected Evidence: Collected Evidence: Abandon mined land: allow brackish/saline marshes or swamps to recover without active intervention One study evaluated the effects, on vegetation, of abandoning formerly mined land with the expectation that brackish/saline marshes or swamps would recover spontaneously. The study was in France. VEGETATION COMMUNITY Community types (1 study): One replicated study in France simply classified the plant community types that developed on abandoned salt pans. Areas flooded for at least part of the year developed salt marsh plant communities, with the exact community composition depending on the duration of flooding and soil salinity. VEGETATION ABUNDANCE   VEGETATION STRUCTURECollected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2985https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2985Thu, 25 Mar 2021 20:18:12 +0000Collected Evidence: Collected Evidence: Retain/create habitat linkages in areas of energy production or miningWe found no studies that evaluated the effects, on marsh/swamp vegetation, of retaining or creating habitat linkages in areas of energy production or mining.   ‘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%2F2986https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F2986Thu, 25 Mar 2021 20:18:24 +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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