FOR200H1 Lecture Notes - Lecture 10: Bioaccumulation, Rachel Carson, Meta-Analysis
Document Summary
Eesb15 lecture 10 - neonicotinoids, the new ddt. Natural areas such as wetlands are drained and converted into agricultural landscapes. Farmland and pasture now rivals the amount of natural forest around the planet. 40% of terrestrial land that used to be forest, excluding the poles, is now covered in agriculture. Used in foliar sprays, soil drenches, and seed treatments. 40% of the global market for insecticides, 80% of seed treatment sales. 5 derivations are registered for use in canada. Main use is for agriculture and urban forestry. Banned for domestic lawn use and animal treatments. Found in over 100 end-use pesticide. products in canada. Can be absorbed into the plant itself from the seed. The plant grows to be toxic because the chemical works systematically. Introduced in north america and europe in the 1990"s. Initially advertised as being environmentally friendly due to their reduced toxicity to humans. They block nerve receptors, resulting in paralysis.
