A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Effect of a long‐term fire retardant (Fire Trol 934®) on the germination of nine Mediterranean‐type shrub species
10.1002/tox.20143.abs
Fire Trol 934® is a long‐term fire retardant commonly used in fire prevention and extinction. Our objective was to determine the effect of this chemical on seed germination of nine plant species from Mediterranean‐type shrublands, where these chemicals are potentially used. Seeds were exposed to five different Fire Trol concentrations, (0 (control) to 10%, on a log scale) and monitored in a germination chamber for nine weeks. Seeds from four Cistus species were subjected to an additional heat treatment that simulated thermal scarification caused by fire. Retardant exposure caused a significant decrease in total germination in all species, and exposure to the highest Fire Trol concentration (10%) resulted in complete inhibition of germination. However, the sensitivity to Fire Trol varied across species and this differential species sensitivity may potentially lead to different impacts in the soil seed banks depending on whether sites are burned or unburned. Exposure to Fire Trol 934 may affect recruitment of shrubland species particularly during dry autumns, due to limited leaching of these chemicals from the soil surface. Consequently, its use should be avoided in sites where particularly sensitive plant species are present. © 2005 Wiley Periodicals, Inc. Environ Toxicol 20: 543–548, 2005.
Effect of a long‐term fire retardant (Fire Trol 934®) on the germination of nine Mediterranean‐type shrub species
10.1002/tox.20143.abs
Fire Trol 934® is a long‐term fire retardant commonly used in fire prevention and extinction. Our objective was to determine the effect of this chemical on seed germination of nine plant species from Mediterranean‐type shrublands, where these chemicals are potentially used. Seeds were exposed to five different Fire Trol concentrations, (0 (control) to 10%, on a log scale) and monitored in a germination chamber for nine weeks. Seeds from four Cistus species were subjected to an additional heat treatment that simulated thermal scarification caused by fire. Retardant exposure caused a significant decrease in total germination in all species, and exposure to the highest Fire Trol concentration (10%) resulted in complete inhibition of germination. However, the sensitivity to Fire Trol varied across species and this differential species sensitivity may potentially lead to different impacts in the soil seed banks depending on whether sites are burned or unburned. Exposure to Fire Trol 934 may affect recruitment of shrubland species particularly during dry autumns, due to limited leaching of these chemicals from the soil surface. Consequently, its use should be avoided in sites where particularly sensitive plant species are present. © 2005 Wiley Periodicals, Inc. Environ Toxicol 20: 543–548, 2005.
Effect of a long‐term fire retardant (Fire Trol 934®) on the germination of nine Mediterranean‐type shrub species
Cruz, Alberto (author) / Serrano, Marián (author) / Navarro, Esther (author) / Luna, Belén (author) / Moreno, José M. (author)
Environmental Toxicology ; 20 ; 543-548
2005-12-01
6 pages
Article (Journal)
Electronic Resource
English
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