Collected Evidence: Collected Evidence: Use mixed stocking A replicated, controlled study in the UK found more spiders, harvestmen and pseudoscorpions on sheep-grazed grassland than on mixed livestock-grazed grassland when suction sampling, but not when pitfall-trapping.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F93https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F93Mon, 24 Oct 2011 21:35:59 +0100Collected Evidence: Collected Evidence: Make selective use of spring herbicidesA replicated, controlled, randomized study in the UK found that spring herbicides had some benefits for beneficial weeds and arthropods.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F98https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F98Mon, 24 Oct 2011 21:50:21 +0100Collected Evidence: Collected Evidence: Re-wet moorland We have captured no evidence for the effects of re-wetting moorland on farmland wildlife. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2F103https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F103Mon, 24 Oct 2011 21:57:49 +0100Collected Evidence: Collected Evidence: Control grey squirrels We have captured no evidence for the effects of controlling grey squirrels on farmland wildlife. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2F106https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F106Mon, 24 Oct 2011 22:01:22 +0100Collected Evidence: Collected Evidence: Erect predator-proof fencing around important breeding sites for waders We have captured no evidence for the effects of erecting predator-proof fencing around important breeding sites for waders on farmland wildlife. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2F109https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F109Mon, 24 Oct 2011 22:06:13 +0100Collected Evidence: Collected Evidence: Remove coarse fish We have captured no evidence for the effects of removing coarse fish on farmland wildlife. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2F110https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F110Mon, 24 Oct 2011 22:08:13 +0100Collected Evidence: Collected Evidence: Manage wild deer numbers We have captured no evidence for the effects of managing wild deer numbers on farmland wildlife. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2F111https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F111Mon, 24 Oct 2011 22:10:17 +0100Collected Evidence: Collected Evidence: Provide medicated grit for grouse A controlled study in England found that red grouse had higher productivity in areas where medicated grit was provided. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F112https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F112Mon, 24 Oct 2011 22:12:09 +0100Collected Evidence: Collected Evidence: Provide training for land managers, farmers and farm advisers One study from the UK found farmers who were trained in how to implement agri-environment schemes created better quality wildlife habitat over five years. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F113https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F113Mon, 24 Oct 2011 22:13:06 +0100Collected Evidence: Collected Evidence: Provide specialist advice, assistance preparing conservation plans We have captured no evidence for the effects of providing specialist advice and/or assistance in preparing conservation plans on farmland wildlife. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2F114https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F114Mon, 24 Oct 2011 22:14:27 +0100Collected Evidence: Collected Evidence: Provide short grass for birds A replicated UK study found that common starlings and northern lapwing spent more time foraging on short grass, compared to longer grass, and that starlings captured more prey in short grass. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F115https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F115Mon, 24 Oct 2011 22:15:43 +0100Collected Evidence: Collected Evidence: Provide other resources for birds (water, sand for bathing) A small study in France found that grey partridge density was higher in areas where a combination of supplementary food, water, shelter and sand for bathing were provided.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F117https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F117Tue, 01 Nov 2011 20:37:30 +0000Collected Evidence: Collected Evidence: Plant nettle strips A small study from Belgium found that planting nettle strips in the margins of three arable fields resulted in a higher number of aphid predator species. The number of aphid predators on a natural patch of nettles was higher than on crops, however there were fewer predators on nettle strips than on crops. Three insect families, including green lacewings, were only found on nettles.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F118https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F118Tue, 01 Nov 2011 20:40:45 +0000Collected Evidence: Collected Evidence: Control scrub A replicated study from the UK found a negative relationship between the number of young grey partridge per adult and a combined intervention of scrub control, rough grazing and the restoration of various semi-natural habitats.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F127https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F127Mon, 14 Nov 2011 21:51:12 +0000Collected Evidence: Collected Evidence: Take field corners out of management A replicated site comparison study in the UK found that taking field corners out of management was positively correlated with grey partridge overwinter survival. However it had no effect on grey partridge brood size, the ratio of young to old birds or year-on-year density changes.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F128https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F128Mon, 14 Nov 2011 21:53:16 +0000Collected Evidence: Collected Evidence: Manage woodland edges to benefit widlife We have captured no evidence for the effects of managing woodland edges to benefit wildlife on farmland wildlife. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2F140https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F140Fri, 02 Dec 2011 11:19:56 +0000Collected Evidence: Collected Evidence: Support or maintain low intensity agricultural systems We have captured no evidence for the effects of supporting or maintaining low intensity agricultural systems on farmland wildlife. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2F141https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F141Sat, 14 Jan 2012 13:23:08 +0000Collected Evidence: Collected Evidence: Mark bird nests during harvest or mowing One replicated study from the Netherlands found that marked northern lapwing nests were less likely to fail as a result of farming operations than unmarked nests.    Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F148https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F148Sat, 14 Jan 2012 14:52:47 +0000Collected Evidence: Collected Evidence: Manage heather by swiping to simulate burning A replicated controlled trial in Northern Ireland found that heather moorland subject to flailing to simulate burning had more plant species eight years after the management, than control unflailed plots, but fewer plant species than burned plots.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F151https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F151Sat, 14 Jan 2012 15:19:00 +0000Collected Evidence: Collected Evidence: Manage the agricultural landscape to enhance floral resources One large replicated controlled trial showed that the average abundance of long-tongued bumblebees on field margins was positively correlated with the number of ‘pollen and nectar’ agri-environment agreements in a 10 km grid square. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F362https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F362Fri, 03 Aug 2012 12:08:24 +0100Collected Evidence: Collected Evidence: Use scaring devices (eg. gas guns) and other deterrents to reduce persecution of native species One replicated, controlled trial in Germany found phosphorescent tape was more effective than normal yellow tape at deterring deer from an area, but had no effect on wild boar or European hare.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F645https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F645Wed, 17 Oct 2012 17:00:06 +0100Collected Evidence: Collected Evidence: Leave unharvested cereal headlands in arable fields We have captured no evidence for the effects on farmland wildlife of leaving unharvested cereal headlands. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2F646https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F646Wed, 17 Oct 2012 17:14:41 +0100Collected Evidence: Collected Evidence: Maintain wood pasture and parkland A randomized, replicated, controlled trial in Sweden found that annual mowing maintained the highest number of plant species on wood pasture.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F649https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F649Fri, 19 Oct 2012 13:59:40 +0100Collected Evidence: Collected Evidence: Restore or create traditional orchards We have captured no evidence for the effects of restoring or creating traditional orchards on farmland wildlife. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2F701https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F701Mon, 07 Jan 2013 13:15:28 +0000Collected Evidence: Collected Evidence: Mark fencing to avoid bird mortality We have captured no evidence for the effects of marking fencing to avoid bird mortality on farmland wildlife. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested 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%2F706https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F706Mon, 11 Feb 2013 09:51:33 +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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