Conservation Evidence: Evidence Data

Collected Evidence: Collected Evidence: Apply insecticide to protect seedlings from invertebrates One randomized, replicated, controlled study in the USA found that applying insecticide increased tree seedling emergence and survival. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1149https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1149Tue, 17 May 2016 15:18:10 +0100Collected Evidence: Collected Evidence: Improve soil quality after tree planting (excluding applying fertilizer) One of two randomized, replicated, controlled studies in Australia found that different soil enhancers had mixed effects on tree seedling survival and height, but no effect on tree seedling health. The other found that combinations of soil enhancers did not increase seedling survival, height, diameter or health. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1153https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1153Wed, 18 May 2016 15:12:35 +0100Collected Evidence: Collected Evidence: Water seedlings One replicated, randomized, controlled study in Spain found that watering tree seedlings increased survival during a dry summer but only increased the survival of some species during a wet summer, depending on the habitat. Watering increased or had no effect on seedling emergence depending on habitat and water availability. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1154https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1154Wed, 18 May 2016 15:16:42 +0100Collected Evidence: Collected Evidence: Reduce erosion to increase seedling survival We found no evidence for the effect of reducing erosion on planted trees. '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%2F1155https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1155Wed, 18 May 2016 15:25:56 +0100Collected Evidence: Collected Evidence: Apply fungicides to protect seedlings from fungal diseases We found no evidence for the effect of applying fungicides to planted trees. '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%2F1156https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1156Wed, 18 May 2016 15:30:17 +0100Collected Evidence: Collected Evidence: Plant a mixture of tree species to enhance the survival and growth of planted trees We found no evidence for the effect of planting a mixture of tree species to enhance the survival and growth of planted trees. '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%2F1159https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1159Wed, 18 May 2016 15:37:49 +0100Collected Evidence: Collected Evidence: Infect tree seedlings with mycorrhizae We found no evidence for the effect of inoculating tree seedlings with mycorrhizae. '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%2F1160https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1160Wed, 18 May 2016 15:40:20 +0100Collected Evidence: Collected Evidence: Introduce leaf litter to forest stands We found no evidence for the effect of introducing leaf litter to introduce beneficial soil biota on planted trees. '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%2F1161https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1161Wed, 18 May 2016 15:41:27 +0100Collected Evidence: Collected Evidence: Transplant trees We found no evidence for the effect of transplanting trees on planted trees. '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%2F1162https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1162Wed, 18 May 2016 15:42:27 +0100Collected Evidence: Collected Evidence: Use pioneer plants or crops as nurse plants We found no evidence for the effect of using pioneer plants or crops on planted trees. '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%2F1163https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1163Wed, 18 May 2016 15:47:12 +0100Collected Evidence: Collected Evidence: Fence to prevent grazing after tree planting Four of five studies (including two replicated, randomized, controlled studies) in Australia, Canada , Finland and the USA found that using fences to exclude grazing increased the survival, size and cover of planted trees. Two studies found no effect on tree survival rate and one found mixed effects on planted tree size depending on the structure of the fence. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1254https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1254Fri, 03 Jun 2016 14:24:30 +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: Mechanically remove understory vegetation after tree planting Five studies (including three replicated, randomized, controlled studies) in Canada, the USA, France, Panama and Sweden found no effect of controlling understory vegetation on the emergence, survival, growth rate or frost damage in planted seedlings. However, one found removing competing herbs increased seedling biomass. One replicated, controlled study in Canada found that removal of sheep laurel shrubs increased the growth rate and height of planted black spruce seedlings. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1256https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1256Mon, 06 Jun 2016 09:06:01 +0100Collected Evidence: Collected Evidence: Manage woody debris before tree planting One replicated, randomized, controlled study in Canada found that removal of woody debris increased the survival rate of planted trees. One replicated, controlled study in the USA found mixed effects of removing, chopping and burning woody debris on the size of planted trees. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1257https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1257Mon, 06 Jun 2016 09:39:53 +0100Collected Evidence: Collected Evidence: Add organic matter after tree planting Two replicated, randomized, controlled studies in the USA found that adding leaf litter or wood-chips before restoration planting increased seedling biomass, but decreased seedling emergence and survival. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1258https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1258Mon, 06 Jun 2016 10:36:39 +0100Collected Evidence: Collected Evidence: Add lime to the soil after tree planting One of two replicated, randomized, controlled studies in the USA found that adding lime before restoration planting decreased the survival of pine seedlings. The other study found no effect of adding lime on planted oak seedling growth. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1259https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1259Mon, 06 Jun 2016 10:42:49 +0100Collected Evidence: Collected Evidence: Use fertilizer after tree planting Two replicated, controlled studies in Canada and Portugal found that applying fertilizer after planting increased the size of the planted trees. One randomized, replicated, controlled study in Australia found that soil enhancers including fertilizer had a mixed effect on seedling survival and height. Three studies (including two randomized, replicated, controlled study) in France and Australia found no effect of applying fertilizer on the size and survival rate or health of planted trees. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1260https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1260Mon, 06 Jun 2016 10:48:59 +0100Collected Evidence: Collected Evidence: Use mechanical thinning before or after planting Five of six studies (including two replicated, randomized, controlled studies) in Brazil, Canada, Finland, France and the USA found that thinning trees after planting increased survival and size of the planted trees. One study found it decreased their density. One study found that the effects of thinning on the size and survival rate of planted trees varied between species. One replicated study in the USA found that the survival rate of red oak seedlings increased with the size of the thinned area. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1261https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1261Mon, 06 Jun 2016 11:04:37 +0100Collected Evidence: Collected Evidence: Use herbicides after tree planting Two of three studies (including two replicated, randomized, controlled studies) in Sweden and the USA found that using herbicide increased the size of planted trees. One study found no effect on tree size. One replicated, randomized, controlled study in Sweden found no effect of using herbicide on frost damage caused to planted Norway spruce seedlings. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1262https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1262Mon, 06 Jun 2016 13:13:27 +0100Collected Evidence: Collected Evidence: Prepare the ground before tree planting Six of seven studies (including five replicated, randomized, controlled studies) in Canada and Sweden found that ground preparation treatments increased the survival and growth rate of planted trees. One study found no effect of creating mounds on frost damage of planted Norway spruce seedlings. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1263https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1263Mon, 06 Jun 2016 14:23:39 +0100Collected Evidence: Collected Evidence: Use different planting or seeding methods Four studies (including one replicated, randomized study) in Australia, Brazil, Costa Rica and Mexico found no effect of planting or seeding methods on the size and survival rate of seedlings. One replicated, controlled study in Brazil found that planting early succession pioneer tree species decreased the height of other planted species. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1264https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1264Mon, 06 Jun 2016 15:01:28 +0100Collected Evidence: Collected Evidence: Cover the ground with straw after tree planting One replicated, randomized, controlled study in the Czech Republic found that covering the ground with straw, but not bark or fleece, increased the growth rate of planted trees and shrubs. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1266https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1266Fri, 10 Jun 2016 08:44:29 +0100Collected Evidence: Collected Evidence: Use weed mats to protect planted trees One replicated, controlled study in Hong Kong found no effect of using weed mats on thick-leaved oak seedling height. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1267https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1267Fri, 10 Jun 2016 08:53:49 +0100Collected Evidence: Collected Evidence: Use tree guards or shelters to protect planted trees One replicated, randomized, controlled study in the USA found that using light but not dark coloured plastic tree shelters increased the survival rate of planted tree seedlings. One replicated, controlled study in Hong Kong found that tree guards increased tree height after 37 but not 44 months. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1268https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1268Fri, 10 Jun 2016 09:07:23 +0100Collected Evidence: Collected Evidence: Use shading for planted trees One replicated, controlled study in Panama found that shading increased the survival rate of planted native tree seedlings. Collected Evidencehttps%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1269https%3A%2F%2Fconservationevidencejournal.com%2Factions%2F1269Fri, 10 Jun 2016 09:19:59 +0100