Moody, C. and Green, I. D., 2010. Assimilation of Cd and Cu by the Carnivorous Plant Sarracenia leucophylla Raf. fed Contaminated Prey. Environmental Science and Technology, 44 (1), pp. 1610-1616.
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Official URL: http://pubs.acs.org/doi/abs/10.1021/es9019386
Many species of carnivorous plant have become endangered through exposure to multiple risks such as habitat loss, illegal poaching and pollution. A potential threat to these plants posed by pollution stems from the contamination of their invertebrate prey with trace metals. This study examined the potential for prey to act as sources of the trace metals Cd and Cu for the pitcher plant Sarracenia leucophylla. Cd and Cu contaminated Diptera larvae were fed to S. leucophylla plants in separate experiments. The results demonstrated that both Cd and Cu were readily transferred to the shoots of S. leucophylla in a dose dependant manner. Whilst the assimilation of Cu decreased with treatment level, the assimilation of Cd did not. Some assimilated Cu appeared to be translocated to the roots, but Cd was strongly retained in the shoots, where it was related to a reduction in shoot biomass. This suggested that on exposure to Cd contaminated prey, the plants either experienced phytotoxicity or there was disruption of nutrient acquisition from the prey. Accumulation of Cu was not related to any sign of phytotoxicity.
|Subjects:||Geography and Environmental Studies|
Science > Biology and Botany
|Group:||School of Applied Sciences > Centre for Conservation, Ecology and Environmental Change|
|Deposited By:||Dr. Iain Green|
|Deposited On:||30 Mar 2010 20:04|
|Last Modified:||07 Mar 2013 15:23|
Available Versions of this Item
- Assimilation of Cd and Cu by the carnivorous plant Sarracenia leucohylla Raf. fed contaminated prey. (deposited 01 Feb 2010 20:01)
- Assimilation of Cd and Cu by the Carnivorous Plant Sarracenia leucophylla Raf. fed Contaminated Prey. (deposited 30 Mar 2010 20:04) [Currently Displayed]
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