Providing evidence to improve practice
Collected Evidence: Collected Evidence: American bullfrog control: Biological control using native predators One replicated, controlled study conducted in Belgium found the introduction of the northern pike led to a strong decline in bullfrog tadpole numbers.  Collected Evidencehttp%3A%2F%2Fconservationevidence.com%2Factions%2F1039http%3A%2F%2Fconservationevidence.com%2Factions%2F1039Fri, 03 Jul 2015 15:18:58 +0100Collected Evidence: Collected Evidence: American bullfrog control: Biological control of co-occurring beneficial species No evidence was captured on the effects of removing co-occurring beneficial species on the control of American bullfrogs. '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 Evidencehttp%3A%2F%2Fconservationevidence.com%2Factions%2F1040http%3A%2F%2Fconservationevidence.com%2Factions%2F1040Fri, 03 Jul 2015 15:19:09 +0100Collected Evidence: Collected Evidence: American bullfrog control: Habitat modification No evidence was captured on the effects of habitat modification on the control of American bullfrogs. '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 Evidencehttp%3A%2F%2Fconservationevidence.com%2Factions%2F1041http%3A%2F%2Fconservationevidence.com%2Factions%2F1041Fri, 03 Jul 2015 15:19:26 +0100Collected Evidence: Collected Evidence: American bullfrog control: Draining ponds and altering the length of time for which the pond contains water No evidence was captured on the effects of draining ponds or altering the length of time for which ponds contain water on the control of American bullfrogs. '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 Evidencehttp%3A%2F%2Fconservationevidence.com%2Factions%2F1042http%3A%2F%2Fconservationevidence.com%2Factions%2F1042Fri, 03 Jul 2015 15:20:07 +0100Collected Evidence: Collected Evidence: American bullfrog control: Pond destruction No evidence was captured on the effects of pond destruction on the control of American bullfrogs. '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 Evidencehttp%3A%2F%2Fconservationevidence.com%2Factions%2F1043http%3A%2F%2Fconservationevidence.com%2Factions%2F1043Fri, 03 Jul 2015 15:20:20 +0100Collected Evidence: Collected Evidence: American bullfrog control: Fencing No evidence was captured on the effects of fencing on the control of American bullfrogs. '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 Evidencehttp%3A%2F%2Fconservationevidence.com%2Factions%2F1044http%3A%2F%2Fconservationevidence.com%2Factions%2F1044Fri, 03 Jul 2015 15:20:33 +0100Collected Evidence: Collected Evidence: American bullfrog control: Direct removal of adults One replicated study in Belgium found catchability of adult bullfrogs in small shallow ponds using one double fyke net for 24 h to be very low. One small study in the USA found that bullfrog adults can be captured overnight in a single trap floating on the water surface. One replicated, controlled study in the USA found that bullfrog populations rapidly rebounded following intensive removal of the adults. One before-and-after study in France found a significant reduction in the number of recorded adults and juveniles following the shooting of metamorphosed individuals before reproduction, when carried out as part of a combination treatment.  Collected Evidencehttp%3A%2F%2Fconservationevidence.com%2Factions%2F1045http%3A%2F%2Fconservationevidence.com%2Factions%2F1045Fri, 03 Jul 2015 15:20:46 +0100Collected Evidence: Collected Evidence: American bullfrog control: Direct removal of juveniles One replicated study in Belgium found double fyke nets were effective in catching bullfrog tadpoles in small shallow ponds. One before-and-after study in France found a significant reduction in the number of recorded adults and juveniles following the removal of juveniles by trapping, when carried out as part of a combination treatment.  Collected Evidencehttp%3A%2F%2Fconservationevidence.com%2Factions%2F1046http%3A%2F%2Fconservationevidence.com%2Factions%2F1046Fri, 03 Jul 2015 15:20:59 +0100Collected Evidence: Collected Evidence: American bullfrog control: Collection of egg clutches Despite reference to removal of egg clutches in some studies using bilge pumps or nets, no evidence was captured on the effects of egg collection on American bullfrogs. '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 Evidencehttp%3A%2F%2Fconservationevidence.com%2Factions%2F1047http%3A%2F%2Fconservationevidence.com%2Factions%2F1047Fri, 03 Jul 2015 15:21:15 +0100Collected Evidence: Collected Evidence: American bullfrog control: Application of a biocide One replicated, controlled study in the USA found a number of chemicals killed American bullfrogs, including caffeine (10% solution), chloroxylenol (5% solution), and a combined treatment of Permethrin (4.6% solution) and Rotenone (1% solution).  Collected Evidencehttp%3A%2F%2Fconservationevidence.com%2Factions%2F1048http%3A%2F%2Fconservationevidence.com%2Factions%2F1048Fri, 03 Jul 2015 15:21:26 +0100Collected Evidence: Individual Study: American Bullfrogs as Invasive Species: A Review of the Introduction, Subsequent Problems, Management Options, and Future DirectionsIndividual Studyhttp%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5505http%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5505Tue, 14 Jul 2015 11:55:09 +0100Collected Evidence: Individual Study: Biological control of invasive populations of crayfish: The European eel (Anguilla anguilla) as a predator of Procambarus clarkii.Individual Studyhttp%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5506http%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5506Tue, 14 Jul 2015 12:03:25 +0100Collected Evidence: Individual Study: Can resident carnivorous fishes slow down introduced alien crayfish spread? Efficacy of 3 fishes versus 2 crayfish species in experimental design.Individual Studyhttp%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5507http%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5507Tue, 14 Jul 2015 12:08:06 +0100Collected Evidence: Individual Study: A field evaluation of a trap for invasive American bullfrogsIndividual Studyhttp%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5514http%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5514Tue, 14 Jul 2015 12:56:58 +0100Collected Evidence: Individual Study: Bullfrogs: introduced predators in southwestern wetlandsIndividual Studyhttp%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5515http%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5515Tue, 14 Jul 2015 12:59:11 +0100Collected Evidence: Individual Study: Assessment and control of non-indigenous brown bullhead Ameiurus nebulosus populations using fyke nets in shallow pondsIndividual Studyhttp%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5525http%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5525Wed, 07 Oct 2015 09:33:55 +0100Collected Evidence: Individual Study: BioBullets para el control de obstrucciones de mejillon cebra en el systems de regadio EspanolIndividual Studyhttp%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5529http%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5529Mon, 12 Oct 2015 21:18:24 +0100Collected Evidence: Individual Study: An investigation into the effectiveness of mechanical dredging to remove Corbicula fluminea (Müller, 1774) from test plots in an Irish river systemIndividual Studyhttp%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5545http%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5545Mon, 12 Oct 2015 21:18:31 +0100Collected Evidence: Individual Study: Altica cyanea (Col: Chrysomelidae) for the biological control of Ludwigia prostrata (Onagraceae) in China.Individual Studyhttp%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5552http%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5552Mon, 12 Oct 2015 21:18:34 +0100Collected Evidence: Individual Study: An investigation of the control of Crassula helmsii by herbicidal chemicals (with interim guidelines on control)Individual Studyhttp%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5871http%3A%2F%2Fconservationevidence.com%2Findividual-study%2F5871Thu, 30 Jun 2016 09:17:05 +0100