GEO 702 Lecture Notes - Lecture 9: Amazon Rainforest, Tropical Rainforest, Silviculture
21 Mar 2016
School
Department
Course
Professor
Document Summary
Height of trees canopy > sub canopy > understory > shrub layer > root. Top part of forest dominant trees, and then slightly lower, co-dominant trees, and then lower you"ll find climbers and creeper type of trees. Forest canopys (tall trees) protect the moisture of the soil. Boreal (borealis god of the north wind) forests cold environments; sub-arctic; conifers; supplies lumber and pulpwood (douglas fir, pine treesetc) Cold environments; mid-latitudes; deciduous (leaves change color over seasons); original forest lost to agriculture and settlement. Large temperate forest are clear cut, and then replanted to become regenerated or second grade forest. Mcmillan bloedel & weyerhauser company, over harvest. 1995, banned harvesting iisaak, from a tribe called nuu chah nulth (nookta), word means respect, harvest in the most selective way so that forest is not harmed. Warm enrivonrments, low lattitudes; evergreen broadleaf trees; rich biodiversity. Hot and wet largest is amazon rain forest. Trees such as mahogany, ocacia, neem, eucalyptus.
