Collected Evidence: Collected Evidence: Use prescribed burning on deciduous forests Of four studies found, one paired sites study from the USA found that bird species richness was similar in burned and unburned aspen forests, although there were significant changes in the relative abundances of some species. A replicated, controlled study in the USA found no evidence for changes in community composition in oak and hickory forests following burning. A replicated controlled trial from the USA found no differences in wood thrush nest survival in burned compared to unburned areas. Another replicated controlled trial from the USA found a reduction in the number of black-chinned hummingbird nests following fuel reduction treatments that included burning.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F317https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F317Thu, 26 Jul 2012 12:53:13 +0100Collected Evidence: Collected Evidence: Use prescribed burning on pine forests Two studies of the 28 captured (all from the USA) found higher bird species richness in sites with prescribed burning, tree thinning and mid- or understorey control or just burning and tree thinning, compared to control sites. Five studies found no differences in species richness or community composition between sites with prescribed burning; prescribed burning, tree thinning and mid- or understorey control; or prescribed burning and tree thinning only, compared to control sites, or those with other management. Eight studies found that some species or guilds (such as open habitat species) were more abundant or more likely to be found in burned areas of pine forest than control areas. One study found that the responses of Henslow’s sparrows to burning varied considerably with geography and habitat. Three studies found that some species were more abundant in thinned and burned stands, compared to controls or other management. Three studies found that overall bird densities or abundances of red-cockaded woodpeckers were higher in open pine forests with prescribed burning, tree thinning and mid- or understorey control, compared with control areas or those thinned but not burned. One found differences were more marked in spring. A study found that a red-cockaded woodpecker population increased following the start of intensive management consisting of prescribed burning and other interventions. Ten studies found that total bird densities or those of some species was the same or lower in sites with prescribed burning compared to control sites, or those with other management. Five studies investigated several interventions at once. Generally, closed-forest species and ground nesters appeared to be adversely affected by burning. Three studies found higher productivities or survival of species in burned or burned and thinned areas, compared to control areas or those burned less recently. Seven studies found no differences in productivity, behaviour or survival (including of artificial nests) in burned areas or burned and thinned areas, compared to controls. One study found that northern bobwhite chicks had lower foraging success in burned areas, compared to other management regimes, whilst another found that different predators were dominant under different management. The three studies that investigated it found that burning season did not appear to affect the effects of burning.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F318https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F318Thu, 26 Jul 2012 13:02:39 +0100Collected Evidence: Collected Evidence: Use prescribed burning on Australian sclerophyll forest Two of three studies from Australia found no differences in bird species richness in burned sites compared to unburned areas. Three studies found differences in species assemblages in burned and unburned areas, with some species lost and others gained from areas after fire.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F319https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F319Thu, 26 Jul 2012 14:44:29 +0100Collected Evidence: Collected Evidence: Use prescribed burning on savannas A replicated and controlled study from Kenya, of five studies captured, found that burned areas of savanna tended to have more birds and more species than control or grazed areas. However, the authors note that differences were not present during drought years and burned sites showed significant annual variation, unlike grazed sites. A replicated and controlled study from Australia found that the effects of burning on bird abundances depended on burn season, and habitat type. Two replicated studies in the USA found that some open country species were more common in burned areas than unburned, whilst other species were less so. A small study from the USA found that two eastern bluebird Sialia sialis successfully raised chicks after the habitat around their nest boxes was subject to a prescribed burn.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F320https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F320Thu, 26 Jul 2012 14:58:00 +0100Collected Evidence: Collected Evidence: Use prescribed burning on shrublands One controlled study from the USA, of eight captured, found that overall bird densities were similar between burned and unburned areas, whilst a replicated and controlled study found that species numbers and bird densities did not vary between areas burned in summer and those burned in winter. Three studies found that some species were more abundant on areas that were burned, compared to those managed differently, or not at all. Four studies found that the densities of individual species were similar or lower on burned areas compared to control areas or those under different management. A before-and-after study found that sage sparrows chose different nest sites before burning compared to after. A controlled study found no differences in greater sage grouse movement between burned and unburned areas.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F321https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F321Thu, 26 Jul 2012 15:10:30 +0100Collected Evidence: Collected Evidence: Use prescribed burning on grasslands Four studies from the USA, of 21 studies captured, found that overall species richness did not vary between burned areas, or areas burned recently, and unburned sites. One study found that community composition was also similar whilst others found that species showed individual responses. Nine studies from across the world found that at least some study species were found at higher densities or were more abundant in burned areas than in unburned areas or areas under different management. One study investigated multiple interventions at once. Fourteen studies found that at least one study species was less abundant or found at similar abundances on burned areas of grassland, compared to unburned areas or those under different management. However, four studies found that apparent responses varied depending on how soon after fires measurements were taken. Care should therefore be taken when interpreting the results of studies on prescribed burning. One study from the USA found that Florida grasshopper sparrow had significantly higher reproductive success soon after plots were burned, whilst another American study founds that dickcissel reproductive success was higher in patch-burned areas than burned and grazed areas.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F322https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F322Thu, 26 Jul 2012 15:38:18 +0100Collected Evidence: Collected Evidence: Use prescribed burning on coastal habitats Of three studies captured, one replicated, controlled, paired sites study from the USA found that there was a fall in breeding seaside sparrow numbers on a burned site in the year it was burned. The next year, numbers were higher than on an unburned site. A controlled study in Argentina found that tall-grass specialist species were lost from burned areas in the year of burning, but that some habitats recovered by the following year. A replicated controlled study from the USA found no differences in nest predation rates between burned and unburned areas for two years after burning.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F323https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F323Thu, 26 Jul 2012 16:24:19 +0100Collected Evidence: Collected Evidence: Use prescribed fire or modifications to burning regime in grassland Two studies (including one before-and-after, site comparison study) in the USA and Argentina found that annual prescribed fires in grassland decreased numbers of amphibian species and abundance or, along with changes in grazing regime, increased rates of species loss. One replicated, before-and-after study in the USA found that spring, but not autumn or winter burns, decreased salamander abundance.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F862https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F862Fri, 06 Sep 2013 15:42:39 +0100Collected Evidence: Collected Evidence: Use prescribed fire or modifications to burning regime in forests Eight of 14 studies (including three randomized, replicated, controlled studies) in Australia, North America and the USA found no effect of prescribed forest fires on amphibian abundance or numbers of species. Four found that forest fires had mixed effects on amphibian abundance depending on species, species and year or season of burn. Three found that fires increased amphibian abundance or numbers of species. One found that abundance decreased with fires. Two studies (including one randomized, replicated, controlled study) in the USA found that numbers of amphibian species and abundance increased or abundance decreased with time since prescribed forest fires. One before-and-after study in the USA found that spotted salamander hatching success increased following a prescribed forest fire.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F877https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F877Thu, 12 Sep 2013 12:56:53 +0100Collected Evidence: Collected Evidence: Use prescribed fire after tree planting Two of four studies (including one replicated, randomized, controlled study) in Finland, France and the USA found that using prescribed fire after replanting increased the survival and sprouting rate of planted trees.  One study found fire decreased planted tree size and one found no effect of prescribed fire on the size and survival rate of planted trees.  Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1255https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1255Fri, 03 Jun 2016 15:33:52 +0100Collected Evidence: Collected Evidence: Use prescribed burning within the context of home range size and use We found no evidence for the effects of using prescribed burning within the context of home range size and use on primate populations. '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%2Fconservationevidencejournal.com%2Factions%2F1516https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1516Thu, 19 Oct 2017 09:16:36 +0100Collected Evidence: Collected Evidence: Use prescribed burning to mimic natural fire cycle We found no studies that evaluated the effects of using prescribed burning to mimic the natural fire cycle 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%2Fconservationevidencejournal.com%2Factions%2F1622https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1622Sun, 22 Oct 2017 10:38:50 +0100Collected Evidence: Collected Evidence: Use prescribed burning to reduce potential for large wild fires We found no studies that evaluated the effects of using prescribed burning to reduce the potential for large wild fires 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%2Fconservationevidencejournal.com%2Factions%2F1623https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1623Sun, 22 Oct 2017 10:39:39 +0100Collected Evidence: Collected Evidence: Use prescribed burning to control trees One randomized, replicated, controlled, before-and-after trial in the USA found that burning to control trees did not change cover of two of three grass species. One randomized, controlled study in Italy found that prescribed burning to control trees reduced cover of common heather, increased cover of purple moor grass, and had mixed effects on the basal area of trees. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1721https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1721Wed, 22 Nov 2017 12:48:12 +0000Collected Evidence: Collected Evidence: Use prescribed burning to control grass One replicated controlled, paired, before-and-after study in the UK found that prescribed burning to reduce the cover of purple moor grass, did not reduce its cover but did reduce the cover of common heather. One randomized, replicated, controlled study in the UK found that prescribed burning initially reduced vegetation height, but this recovered over time. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1723https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1723Wed, 22 Nov 2017 16:27:49 +0000Collected Evidence: Collected Evidence: Use prescribed fire to control problematic plants Six studies evaluated the effects on peatland vegetation of using prescribed fire to control problematic plants: five in bogs and one in fens. Four studies were based on the same experimental set-up in the UK. N.B. Prescribed burning in historically disturbed peatlands is considered as a separate action. Moss cover (4 studies): One replicated, paired, controlled study in bogs in Germany found that burning increased moss/lichen/bare ground cover in the short term (2–7 months after burning). Three replicated, paired studies (based on the same experimental set-up) in one bog in the UK found that moss cover (including Sphagnum) was higher in plots burned more often. Herb cover (4 studies): Of two replicated, paired, controlled studies in bogs in Germany and the UK, one found that burning had no effect on cottongrass cover after 2–7 months but the other found that burning increased cottongrass cover after 8–18 years. Two replicated, paired studies in the same bog in the UK reported that cottongrass cover was similar in plots burned every 10 or 20 years. The study in Germany also found that burning reduced purple moor grass cover but had mixed effects, amongst sites, on cover of other grass-like plants and forbs. Tree/shrub cover (5 studies): Three replicated, paired studies in a bog in the UK found that heather cover was lower in plots burned more often. One replicated, paired, controlled study in bogs in Germany found that heather cover was lower in burned than unburned plots. Two replicated, controlled studies in the bogs in Germany and fens in the USA found that burning (sometimes along with other interventions) did not affect cover of other shrubs. Vegetation structure (1 study): One replicated, paired, controlled study in a bog in the UK found that plots burned more frequently contained more biomass of grass-like plants than plots burned less often, but contained less total vegetation, shrub and bryophyte biomass. Overall plant richness/diversity (2 studies): Two replicated, controlled studies (one also randomized and paired) in the fens in the USA and a bog in the UK found that burning reduced or limited plant species richness. In the USA, burning was carried out along with other interventions. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1774https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1774Mon, 27 Nov 2017 21:43:40 +0000Collected Evidence: Collected Evidence: Use prescribed fire to control problematic plants: freshwater marshes Four studies evaluated the effects, on vegetation, of using prescribed fire to control problematic plants in freshwater marshes. Two studies were in the USA. There was one study in each of Australia and Costa Rica. VEGETATION COMMUNITY Overall extent (1 study): One controlled, before-and-after study in a freshwater marsh in Costa Rica reported that burning (and physically damaging) cattail stands reduced the area of live vegetation present 5–22 months later. Overall richness/diversity (2 studies): One controlled study in a freshwater marsh in Costa Rica found that plots in which cattail stands were managed (burned and physically damaged) had greater overall plant species richness than unmanaged plots, 11–22 months after intervention. One replicated, randomized, controlled study in a marsh in the USA found that the effect of prescribed burning on plant species richness in the following autumn depended on the season of burning. VEGETATION ABUNDANCE Overall abundance (2 studies): One controlled, before-and-after study in a freshwater marsh in Costa Rica reported that burning (and physically damaging) cattail stands reduced live vegetation cover 5–22 months later. One replicated, randomized, controlled study in a marsh in the USA found that the effect of prescribed burning on overall vegetation cover in the following autumn depended on the season of burning. Herb abundance (1 study): One study of a floodplain marsh in Australia simply reported grass/sedge cover for up to four years after burning mimosa-invaded vegetation (along with other interventions). Native/non-target abundance (2 studies): One replicated, randomized, paired, controlled study in canarygrass-invaded wet meadows in the USA found that prescribed burning had no significant effect on the biomass of plants other than the invasive species, 2–3 growing seasons later. One study of a floodplain marsh in Australia simply reported non-target vegetation cover for up to four years after burning mimosa-invaded vegetation (along with other interventions). Individual species abundance (1 study): One study quantified the effect of this action on the abundance of individual plant species, other than the species being controlled. The replicated, randomized, controlled study in a marsh in the USA found that the effect of prescribed burning on the cover of dominant species in the following autumn depended on the season of burning. VEGETATION STRUCTURECollected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3116https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3116Sun, 04 Apr 2021 16:05:02 +0100Collected Evidence: Collected Evidence: Use prescribed fire to control problematic plants: brackish/salt marshes Four studies evaluated the effects, on vegetation, of using prescribed fire to control problematic plants in brackish/salt marshes. All four studies were in the USA. Two studies were based on the same experimental set-up. VEGETATION COMMUNITY Overall richness/diversity (4 studies): Two replicated, randomized, paired, controlled studies in brackish and salt marshes in the USA reported that burned and unburned plots had similar plant species richness over the following 1–3 years. Two studies in saltgrass- or reed-dominated marshes in the USA reported that burned areas had greater plant species richness than unburned areas, after approximately 1–3 years. In one of the studies, burned areas had also been sprayed with herbicide for nine years – and contained more plant species than a nearby natural marsh. VEGETATION ABUNDANCE Overall abundance (3 studies): Three replicated, randomized, paired, controlled studies in brackish and salt marshes in the USA evaluated the effect of prescribed burning on vegetation cover. One study found that autumn-burned plots had lower overall vegetation cover than unburned plots after 11 months, but one found that winter-burned plots had similar overall vegetation cover to unburned plots after one year. Two of the studies reported that winter-burned plots had less standing dead vegetation cover than unburned plots in the following summer or winter. Individual species abundance (4 studies): All four studies quantified the effect of this action on the abundance of individual plant species, other than a species being controlled. For example, three replicated, randomized, paired, controlled studies in brackish and salt marshes in the USA reported mixed effects of burning on cover of saltgrass Distichlis spicata: higher in burned than unburned plots in the following summer, lower in burned than unburned plots in the following winter, or mixed effects amongst marsh types. Two replicated, randomized, paired, controlled studies in brackish and salt marshes in the USA reported that burning did not reduce cover of saltmeadow cordgrass Spartina patens, compared to cover in unburned plots, over the following 1–3 years. One site comparison study of brackish marshes in the USA reported that a marsh that had been burned for three years (and sprayed with herbicide for nine) contained more smooth cordgrass Spartina alterniflora than an unburned and unsprayed marsh, and a similar amount of smooth cordgrass to a nearby natural marsh. VEGETATION STRUCTURE Visual obstruction (1 study): One replicated, randomized, paired, controlled study in brackish and salt marshes in the USA found that the visual obstruction caused by vegetation (combination of height and horizontal cover) was similar in burned and unburned plots, after 11 months. Height (1 study): One site comparison study of brackish marshes in the USA found that in a marsh burned for two years (and sprayed with herbicide for nine), the dominant plant species (smooth cordgrass Spartina alterniflora) grew to a similar height as in a nearby natural marsh. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3117https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3117Sun, 04 Apr 2021 16:05:16 +0100Collected Evidence: Collected Evidence: Use prescribed fire to control problematic plants: freshwater swamps One study evaluated the effects, on vegetation, of using prescribed fire to control problematic plants in freshwater swamps. The study was in the USA. VEGETATION COMMUNITY Overall richness/diversity (1 study): One replicated, randomized, controlled study aiming to restore a swamp in the USA found that burning canarygrass-invaded vegetation after spraying it with herbicide increased overall plant diversity, two growing seasons later, compared to spraying alone. However, burning had no significant effect on plant species richness. Native/non-target richness/diversity (1 study): The same study found that burning canarygrass-invaded vegetation after spraying it with herbicide had no significant effect on native plant species richness, two growing seasons later, compared to spraying alone. VEGETATION ABUNDANCE Tree/shrub abundance (1 study): One replicated, randomized, controlled study aiming to restore a swamp in the USA found that burning canarygrass-invaded vegetation after spraying it with herbicide had no significant effect on the density of non-planted tree seedlings, two growing seasons later, compared to spraying alone. Individual species abundance (1 study): The same study reported that burning canarygrass-invaded vegetation after spraying it with herbicide affected the abundance of some individual plant species two growing seasons later. VEGETATION STRUCTURECollected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3118https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3118Sun, 04 Apr 2021 16:05:25 +0100Collected Evidence: Collected Evidence: Use prescribed fire to control problematic plants: brackish/saline swampsWe found no studies that evaluated the effects, on vegetation, of using prescribed fire to control problematic plants in brackish/saline swamps.   ‘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%2F3119https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3119Sun, 04 Apr 2021 16:05:37 +0100Collected Evidence: Collected Evidence: Use prescribed burning: Forest, open woodland & savanna Twenty-eight studies evaluated the effects of using prescribed burning in forest, open woodland and savanna on reptile populations. Twenty-four studies were in the USA, three were in Australia and one was in Brazil. COMMUNITY RESPONSE (12 STUDIES) Community composition (1 study): One replicated, randomized, controlled, before-and-after study in the USA found that in areas with prescribed burning, reptile assemblages became similar to more pristine areas that had historically experienced frequent fires. Richness/diversity (11 studies): Seven studies (including two replicated, randomized, controlled, before-and-after studies) in the USA and Australia found that burned areas had similar reptile species richness compared to unburned areas. One of the studies also found that burned areas had higher reptile diversity than unburned areas. Two replicated studies (including one randomized, controlled study) in Australia and the USA found that reptile species richness remained similar with time since burning. One of two studies (including one replicated, randomized, controlled, before-and-after study) in the USA found that burned areas had higher combined reptile and amphibian species richness than unburned areas. The other study found that burned areas had similar combined reptile and amphibian species richness and diversity compared to unburned areas. POPULATION RESPONSE (26 STUDIES) Abundance (23 studies): Nine of 21 studies (including four replicated, randomized, controlled, before-and-after studies) in the USA and Australia found that burning had mixed effects on the abundance of reptiles, six-lined racerunners and western yellow-bellied racer snakes. Six studies found that burned areas had a higher abundance of reptiles, lizards, black racer snakes and more active gopher tortoise burrows compared to unburned areas. The other six studies found that burned areas had a similar abundance of reptiles, lizards and gopher tortoise burrows compared to unburned areas. One replicated, site comparison study in Australia found that reptile abundance increased with time since burning. One replicated, randomized, controlled study in the USA found that burning in different seasons had mixed effects on the abundance of reptiles. Survival (2 study): One of two studies (one site comparison and one controlled study) in the USA and Brazil found that Texas horned lizard survival was similar in burned and unburned areas. The other study found that burning had mixed effects on survival of an endemic lizard species. Condition (1 study): One site comparison study in the USA found that eastern fence lizards in recently burned areas ran faster than those from areas that were burned less recently or were unburned. BEHAVIOUR (2 STUDIES) Behaviour change (2 studies): One replicated, controlled, before and-after study in the USA found that burning affected overwintering habitat use by gopher tortoises. One replicated, controlled study in the USA found that in burned areas, black racer snakes had higher surface activity than in unburned areas. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3646https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3646Thu, 09 Dec 2021 15:38:33 +0000Collected Evidence: Collected Evidence: Use prescribed burning: Grassland & shrubland Fourteen studies evaluated the effects of using prescribed burning in grassland and shrubland on reptile populations. Seven studies were in the USA, four were in Australia and one was in each of South Africa, Argentina and France. COMMUNITY RESPONSE (6 STUDIES) Community composition (1 study): One replicated, before-and-after study in Australia found that reptile species composition was different before and immediately after burning in three grass types and remained different after vegetation grew back in one of three grass types. Richness/diversity (5 studies): Two of three studies (including one replicated, controlled, before-and-after study) in South Africa, Argentina and the USA found that areas with annual burning had similar reptile species richness and diversity compared to unburned areas or that richness was similar across areas with a range of burn frequencies. The other study found that burned areas had higher reptile species richness than unburned areas. One replicated, site comparison study in Australia found that areas burned 1–4 years earlier had lower reptile species richness than areas burned 11–15 years earlier. One replicated, site comparison study in the USA found that areas with different burn frequencies had similar reptile species richness and diversity. POPULATION RESPONSE (11 STUDIES) Abundance (11 studies): Three of six studies (including three replicated, randomized, controlled studies) in the USA and Argentina found that burned areas had a similar abundance of lizards, snakes and lizards and combined reptiles and amphibians compared to unburned areas. Two studies found that burning had mixed effects on the abundance of different reptile species and western yellow-bellied racer snakes.The other study found that burned areas had more eastern massasauga rattlesnakes than unburned areas. One replicated, site comparison study in Australia found that areas burned 1–4 years earlier had a lower abundance of reptiles than areas burned 11–15 years earlier. One controlled before-and-after study in the USA found that a burned area had a similar number of four snake species compared to when the area was managed by mowing. One site comparison study in France found that one reptile species was less abundant in areas managed by burning than areas grazed by sheep, whereas the abundance of five other species was similar in all areas. One replicated, before-and-after study in Australia found that immediately after burning, the abundance of reptiles was lower than before burning, but was similar after vegetation grew back. One replicated, randomized, site comparison study in Australia found that small-scale patch burning was associated with increased abundance of sand goanna burrows. BEHAVIOUR (1 STUDY) Use (1 study): One replicated, randomized, controlled study in Australia found that some rocky outcrops that were burned were recolonized by pink-tailed worm-lizards. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3651https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3651Thu, 09 Dec 2021 17:11:07 +0000Collected Evidence: Collected Evidence: Use prescribed burning: Wetland Two studies evaluated the effects of using prescribed burning in wetlands on reptile populations. One study was in each of the USA and Australia. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (2 STUDIES) Abundance (2 studies): One of two controlled studies (including one replicated, randomized study) in the USA and Australia found mixed effects of using prescribed burning in wetlands on the abundance of western yellow-bellied racer snakes. The other study found that found that burned areas had a similar abundance of reptiles and amphibians compared to unburned areas, but that delicate skinks were less abundant in burned areas. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3652https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3652Thu, 09 Dec 2021 17:44:45 +0000Collected Evidence: Collected Evidence: Use prescribed burning in combination with vegetation cutting Ten studies evaluated the effects of using prescribed burning in combination with vegetation cutting on reptile populations. Eight studies were in the USA and two were in Australia. COMMUNITY RESPONSE (5 STUDIES) Community composition (1 study): One replicated, randomized, controlled, before-and-after study in the USA found that cutting vegetation prior to burning resulted in reptile assemblages becoming similar to areas with more pristine habitat and a history of frequent fires. Richness/diversity (5 studies): Four of five replicated studies (including three randomized, controlled studies) in Australia and the USA found that areas managed by burning in combination with vegetation cutting had similar reptile species richness compared to either burning only, cutting only or areas that were unmanaged. The other study found that areas of woodland managed by burning and vegetation thinning had higher reptile species richness than unmanaged areas. POPULATION RESPONSE (9 STUDIES) Abundance (9 studies): Four of nine replicated studies (including five randomized, controlled studies) in the USA and Australia found that areas that were managed by burning in combination with vegetation cutting had a higher abundance of overall reptiles, lizards, eastern fence lizards and five-lined skinks compared to areas that were either only burned or unmanaged. Three studies found a similar abundance of overall reptiles, snakes and turtles compared to either burning only, cutting only or unmanaged. Four studies found mixed effects of burning in combination with vegetation cutting on the abundance of reptiles and six-lined racerunners. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3655https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3655Fri, 10 Dec 2021 09:25:56 +0000Collected Evidence: Collected Evidence: Use prescribed burning in combination with herbicide application Five studies evaluated the effects of using prescribed burning in combination with herbicide application on reptile populations. Four studies were in the USA and one was in Australia. COMMUNITY RESPONSE (2 STUDIES) Community composition (1 study): One replicated, randomized, controlled, before-and-after study in the USA found that reptile community composition responded differently to herbicide treatment followed by burning or burning alone when compared to unburned areas or areas of more pristine habitat. Richness/diversity (1 study): One replicated, randomized, controlled, before-and-after study in the USA found that areas that were burned in combination with herbicide application had similar combined reptile and amphibian species richness and diversity compared to areas that were managed by burning or herbicide application alone or left unmanaged. POPULATION RESPONSE (3 STUDIES) Abundance (3 studies): Two of three replicated, randomized, controlled studies (including two before-and-after studies) in the USA found mixed effects of burning in combination with herbicide application on the abundance of reptiles and six-lined racerunners. The other study found that areas that were burned in combination with herbicide application had a similar abundance of reptiles compared to areas that were managed by burning or herbicide application alone or left unmanaged. The study also found that the abundance of eastern fence lizards was higher in the first year after burning and herbicide application compared to unmanaged areas, but similar for the next six years. BEHAVIOUR (1 STUDY) Use (1 study): One replicated, randomized, controlled study in Australia found that some rocky outcrops that were burned in combination with herbicide application were recolonized by pink-tailed worm-lizards. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3656https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F3656Fri, 10 Dec 2021 10:07:33 +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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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

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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