Lesson plan
Mill Dam
. Mill Dam is a wetland in western Shapinsay, in Orkney, Scotland. This water body was not shown on the 1840 survey map of the island, since it is a man-made creation from a damming in the 1880s. Mill Dam is fed by a stream flowing from the north that rises on the western lobe of Shapinsay. The pH levels of the outflow stream of Mill Dam are moderately alkaline, in the range of 9.18. The Mill Dam wetland is a significant bird habitat and is owned and managed by the Royal Society for the Protection of Birds. It has been designated an Important Bird Area (IBA) by BirdLife International because it supports resident northern pintails and wintering whooper swans.
Article summary
. Mill Dam is a wetland in western Shapinsay, in Orkney, Scotland. This water body was not shown on the 1840 survey map of the island, since it is a man-made creation from a damming in the 1880s. Mill Dam is fed by a stream flowing from the north that rises on the western lobe of Shapinsay. The pH levels of the outflow stream of Mill Dam are moderately alkaline, in the range of 9.18. The Mill Dam wetland is a significant bird habitat and is owned and managed by the Royal Society for the Protection of Birds. It has been designated an Important Bird Area (IBA) by BirdLife International because it supports resident northern pintails and wintering whooper swans.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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