Conservation Evidence: Evidence Data

Collected Evidence: Collected Evidence: Use grazing to control trees One randomized, controlled, before-and-after study in Italy found that grazing to reduce tree cover reduced cover of common heather and the basal area of trees, but did not alter cover of purple moor grass. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1634https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1634Sun, 22 Oct 2017 11:59:55 +0100Collected Evidence: Collected Evidence: Cut trees and increase livestock numbers We found no studies that evaluated the effects of controlling tree species by cutting and increasing grazing intensity of livestock on shrublands. '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%2F1635https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1635Sun, 22 Oct 2017 12:01:36 +0100Collected Evidence: Collected Evidence: Cut trees and apply herbicide One controlled study in the UK found that cutting trees and applying herbicide increased the abundance of heather seedlings. However, one replicated, controlled study in the UK found that cutting silver birch trees and applying herbicide did not alter cover of common heather when compared to cutting alone. Two controlled studies (one of which was a before-and-after study) in South Africa found that cutting of trees and applying herbicide did not increase shrub cover. Two controlled studies in South Africa found that cutting trees and applying herbicide increased the total number of plant species and plant diversity. One replicated, controlled study in the UK found that cutting and applying herbicide reduced cover of silver birch trees. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1636https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1636Sun, 22 Oct 2017 12:04:01 +0100Collected Evidence: Collected Evidence: Cut trees and use prescribed burning One replicated, before-and-after trial in the USA found that cutting western juniper trees and using prescribed burning increased the cover of herbaceous plants. One replicated, randomized, controlled, before-and-after trial in the USA found that cutting western juniper trees and using prescribed burning increased cover of herbaceous plants but had no effect on the cover of most shrubs. One controlled study in South Africa found that cutting followed by prescribed burning reduced the cover of woody plants but did not alter herbaceous cover. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1637https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1637Sun, 22 Oct 2017 12:07:21 +0100Collected Evidence: Collected Evidence: Cut/mow to control grass One controlled study in the UK found that mowing increased the number of heathland plants in one of two sites. The same study found that the presence of a small minority of heathland plants increased, but the presence of non-heathland plants did not change. Three replicated, controlled studies in the UK and the USA found that cutting to control grass did not alter cover of common heather or shrub seedling abundance. One replicated, controlled study in the UK found that cutting to control purple moor grass reduced vegetation height, had mixed effects on purple moor grass cover and the number of plant species, and did not alter cover of common heather. Two randomized, controlled studies in the USA found that mowing did not increase the cover of native forb species. Both studies found that mowing reduced grass cover but in one of these studies grass cover recovered over time. One replicated, controlled study in the UK found that mowing did not alter the abundance of wavy hair grass relative to rotovating or cutting turf. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1638https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1638Sun, 22 Oct 2017 12:12:02 +0100Collected Evidence: Collected Evidence: Cut/mow to control grass and sow seed of shrubland plants One randomized, replicated, controlled study in the USA found that the biomass of sagebrush plants in areas where grass was cut and seeds sown did not differ from areas where grass was not cut, but seeds were sown. One randomized controlled study in the USA found that cutting grass and sowing seeds increased shrub seedling abundance and reduced grass cover One randomized, replicated, controlled study in the USA found that sowing seeds and mowing did not change the cover of non-native plants or the number of native plant species. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1639https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1639Sun, 22 Oct 2017 13:11:17 +0100Collected Evidence: Collected Evidence: Rake to control grass A randomized, replicated, controlled, paired study in the USA found that cover of both invasive and native grasses, as well as forbs was lower in areas that were raked than in areas that were not raked, but that the number of annual plants species did not differ. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1640https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1640Sun, 22 Oct 2017 13:13:04 +0100Collected Evidence: Collected Evidence: Cut/mow and rotovate to control grass One controlled study in the UK found that mowing followed by rotovating increased the number of heathland plant species in one of two sites. The same study found that the presence of a minority of heathland and non-heathland species increased. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1641https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1641Sun, 22 Oct 2017 13:14:28 +0100Collected Evidence: Collected Evidence: Use herbicide to control grass Two randomized, controlled studies in the UK and the USA found that spraying with herbicide did not affect the number of shrub or heathland plant seedlings. One of these studies found that applying herbicide increased the abundance of one of four heathland plants, but reduced the abundance of one heathland species. However, one randomized, controlled study in the UK found that applying herbicide increased cover of heathland species. One randomized, replicated, controlled study in the UK reported no effect on the cover of common heather. One randomized, replicated study in the UK reported mixed effects of herbicide application on shrub cover. Two randomized, controlled studies in the USA and the UK found that herbicide application did not change the cover of forb species. However, one randomized, controlled, study in the USA found that herbicide application increased native forb cover. Four of five controlled studies (two of which were replicated) in the USA found that grass cover or non-native grass cover were lower in areas where herbicides were used to control grass than areas were herbicide was not used. Two randomized, replicated, controlled studies in the UK found that herbicide reduced cover of purple moor grass, but not cover of three grass/reed species. Two randomized, controlled studies in the UK found that herbicide application did not reduce grass cover. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1643https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1643Sun, 22 Oct 2017 13:23:19 +0100Collected Evidence: Collected Evidence: Apply herbicide and sow seeds of shrubland plants to control grass One randomized, controlled study in the USA found that areas where herbicide was sprayed and seeds of shrubland species were sown had more shrub seedlings than areas that were not sprayed or sown with seeds. One randomized, replicated, controlled study in the USA found that spraying with herbicide and sowing seeds of shrubland species did not increase the cover of native plant species, but did increase the number of native plant species. One of two studies in the USA found that spraying with herbicide and sowing seeds of shrubland species reduced non-native grass cover. One study in the USA found that applying herbicide and sowing seeds of shrubland species did not reduced the cover of non-native grasses Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1644https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1644Sun, 22 Oct 2017 13:30:11 +0100Collected Evidence: Collected Evidence: Apply herbicide and remove plants to control grass One randomized, replicated, controlled, paired study in the USA found that areas sprayed with herbicide and weeded to control non-native grass cover had higher cover of native grasses and forbs than areas that were not sprayed or weeded, but not a higher number of native plant species. The same study found that spraying with herbicide and weeding reduced non-native grass cover. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1645https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1645Sun, 22 Oct 2017 13:33:12 +0100Collected Evidence: Collected Evidence: Use grazing or alter livestock to control grass One replicated, controlled, before-and-after study in the Netherlands found that grazing to reduce grass cover had mixed effects on cover of common heather and cross-leaved heath. One replicated, controlled, before-and-after study in the Netherlands found that cover of wavy-hair grass increased and one before-and-after study in Spain found a reduction in grass height. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1646https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1646Sun, 22 Oct 2017 13:34:04 +0100Collected Evidence: Collected Evidence: Strip turf to control grass One controlled study in the UK found that cutting and removing turf increased the number of heathland plants. The same study found that the presence of a small number of heathland plants increased, and that the presence of a small number of non-heathland plants decreased. One replicated, controlled study in the UK found that presence of heather was similar in areas where turf was cut and areas that were mown or rotovated. One replicated, controlled study in the UK found that the presence of wavy hair grass was similar in areas where turf was cut and those that were mown or rotovated. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1647https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1647Sun, 22 Oct 2017 13:35:48 +0100Collected Evidence: Collected Evidence: Rotovate to control grass One replicated, controlled study in the UK found that rotovating did not alter the presence of heather compared to mowing or cutting. The same study found that wavy hair grass presence was not altered by rotovating, relative to areas that were mown or cut. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1648https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1648Sun, 22 Oct 2017 13:42:22 +0100Collected Evidence: Collected Evidence: Add mulch to control grass One randomized, controlled study in the USA found that areas where mulch was used to control grass cover had a similar number of shrub seedlings to areas where mulch was not applied. The same study found that mulch application did not reduce grass cover. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1649https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1649Sun, 22 Oct 2017 13:43:52 +0100Collected Evidence: Collected Evidence: Add mulch to control grass and sow seed One randomized, controlled study in the USA found that adding mulch, followed by seeding with shrub seeds, increased the seedling abundance of one of seven shrub species but did not reduce grass cover. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1650https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1650Sun, 22 Oct 2017 13:46:49 +0100Collected Evidence: Collected Evidence: Cut/mow, rotovate and sow seeds to control grass One controlled study in the UK found that mowing followed by rotovating, and spreading clippings of heathland plants increased the number of heathland species. The same study found an increase in abundance of a minority of heathland and non-heathland species. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1651https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1651Sun, 22 Oct 2017 13:49:39 +0100Collected Evidence: Collected Evidence: Use herbicide to control bracken One controlled, before-and-after trial in the UK found that applying herbicide to control bracken increased the number of heather seedlings. However, two randomized, controlled studies in the UK found that spraying with herbicide did not increase heather cover. One randomized, controlled study in the UK found that applying herbicide to control bracken increased heather biomass. One replicated, randomized, controlled study in the UK found that the application of herbicide increased the number of plant species in a heathland site. However, one replicated, randomized, controlled study in the UK found that spraying bracken with herbicide had no effect on species richness or diversity. One randomized, controlled study in the UK found that applying herbicide to control bracken increased the cover of wavy hair-grass and sheep’s fescue. One controlled study in the UK found that applying herbicide to control bracken increased the cover of gorse and the abundance of common cow-wheat. One controlled, before-and-after trial in the UK found that the application of herbicide reduced the abundance of bracken but increased the number of silver birch seedlings. Three randomized, controlled studies in the UK found that the application of herbicide reduced the biomass or cover of bracken. However, one controlled study in the UK found that applying herbicide did not change the abundance of bracken. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1652https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1652Sun, 22 Oct 2017 14:09:58 +0100Collected Evidence: Collected Evidence: Cut to control bracken One randomized, controlled, before-and-after trial in Norway and one randomized, controlled study in the UK found that cutting bracken increased the cover or biomass of heather. However, two randomized, replicated, controlled studies in the UK found that cutting bracken did not increase heather cover or abundance of heather seedlings. One randomized, replicated, controlled study in the UK found that cutting to control bracken increased the species richness of heathland plant species. However, another randomized, replicated, controlled study in the UK found that cutting to control bracken did not alter species richness but did increase species diversity. One randomized, replicated, controlled study in the UK found that cutting bracken increased cover of wavy hair-grass and sheep’s fescue. One controlled study in the UK found that cutting bracken did not increase the abundance of gorse or common cow-wheat. One randomized, controlled, before-and-after trial in Norway and two randomized, controlled studies in the UK found that cutting bracken reduced bracken cover or biomass. One randomized, replicated, controlled, paired study the UK found that cutting had mixed effects on bracken cover. However, one controlled study in the UK found that cutting bracken did not decrease the abundance of bracken. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1653https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1653Sun, 22 Oct 2017 14:36:13 +0100Collected Evidence: Collected Evidence: Cut and apply herbicide to control bracken One randomized, controlled study in the UK found that cutting and applying herbicide to control bracken did not alter heather biomass. One randomized, controlled, before-and-after trial in Norway found that cutting and applying herbicide increased heather cover. One randomized, replicated, controlled, paired study in the UK found that cutting and using herbicide had no significant effect on the cover of seven plant species. One replicated, randomized, controlled study in the UK found that cutting bracken followed by applying herbicide increased plant species richness when compared with applying herbicide followed by cutting. Three randomized, controlled studies (one also a before-and-after trial, and one of which was a paired study) in the UK and Norway found that cutting and applying herbicide reduced bracken biomass or cover. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1654https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1654Sun, 22 Oct 2017 14:42:14 +0100Collected Evidence: Collected Evidence: Cut and burn bracken We found no studies that evaluated the effects of cutting and burning bracken on shrublands. '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%2F1655https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1655Sun, 22 Oct 2017 14:47:54 +0100Collected Evidence: Collected Evidence: Cut bracken and rotovate One controlled study in the UK found that cutting followed by rotovating to control bracken did not increase total plant biomass or biomass of heather. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1656https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1656Sun, 22 Oct 2017 14:50:23 +0100Collected Evidence: Collected Evidence: Use herbicide and sow seed of shrubland plants to control bracken We found no studies that evaluated the effects of controlling bracken by applying herbicide and sowing seed on shrublands. '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%2F1658https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1658Sun, 22 Oct 2017 14:56:07 +0100Collected Evidence: Collected Evidence: Increase livestock numbers to control bracken We found no studies that evaluated the effects of controlling bracken by increasing livestock numbers on shrublands. '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%2F1659https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1659Sun, 22 Oct 2017 14:57:29 +0100Collected Evidence: Collected Evidence: Use herbicide and remove leaf litter to control bracken One randomized, controlled study in the UK found that using herbicide and removing leaf litter did not increase total plant biomass after eight years. The same study found that for three of six years, heather biomass was higher in areas where herbicide was sprayed and leaf litter was removed than in areas that were sprayed with herbicide. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1660https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1660Sun, 22 Oct 2017 14:59:23 +0100