BIOL 2903 Lecture Notes - Lecture 13: Canadian Shield, Hudson Bay Lowlands, Clay Belt

• School: Carleton University
• Department: Biology
• Course: BIOL 2903
• Professor: Michael Runtz

Document Summary

Clay belt, clay left by tyrell sea. Farther north in clay belt boreal looks more like hudsons bay lowland. Lies on canadian shield: which again is 2. 5-2. 9 billion years old. The hudson bay lowland (review: is only 400 million years old. If tree has needles= coniferous tree: white pine. 5 needles per bundle: red pine. 2 needles per bundle long needles: jack pine. Are fire dependent for their serotinous cones. Found in clay belt boreal: black spruce. Clusters at the top forming a crow"s nest.