ENV100Y5 Lecture Notes - Lecture 15: Forest Ecology, Temperate Rainforest, Handia (Drink)

• School: UTM
• Department: Environment
• Course: ENV100Y5
• Professor: Monika Havelka

Document Summary

Types, ecological roles, and economic contributions of forests. History, scale, and causes of forest loss. Fo(cid:396)est e(cid:272)osyste(cid:373)s (cid:272)o(cid:448)e(cid:396) (cid:1007)(cid:1004)% of ea(cid:396)th(cid:859)s la(cid:374)d su(cid:396)fa(cid:272)e. Forests cannot tolerate being dry and so are able to hold life: most of ea(cid:396)th is (cid:272)old a(cid:374)d d(cid:396)y (cid:449)hi(cid:272)h fo(cid:396)ests (cid:272)a(cid:374)(cid:859)t su(cid:396)(cid:448)i(cid:448)e i(cid:374) Forests contain 90% of terrestrial biodiversity: vegetation and animal life hotspots of biodiversity on land. 25% of the world natural forest is in canada: we do(cid:374)(cid:859)t ha(cid:448)e a lot of the (cid:271)iodi(cid:448)e(cid:396)sity (cid:271)ut ha(cid:448)e a lot of la(cid:374)d (cid:373)ass. We do(cid:374)(cid:859)t ha(cid:448)e a lot of e(cid:448)olutio(cid:374)a(cid:396)y histo(cid:396)y. Not as much productivity: most forest is boreal and coniferous t(cid:396)ee li(cid:374)es a(cid:396)e shaped like a (cid:858)u(cid:859) a(cid:272)(cid:396)oss ca(cid:374)ada. Hudso(cid:374)(cid:859)s bay has a high heat te(cid:373)pe(cid:396)atu(cid:396)e (cid:449)hi(cid:272)h te(cid:374)ds to (cid:396)etai(cid:374) a (cid:272)old pa(cid:396)t of the year which drives a colder temperature than it should be. Temperature at a (cid:272)e(cid:396)tai(cid:374) te(cid:373)pe(cid:396)atu(cid:396)e t(cid:396)ees (cid:449)ill (cid:374)ot g(cid:396)o(cid:449) (cid:894)as sho(cid:449) (cid:271)y (cid:858)u(cid:859) shape i(cid:374) ca(cid:374)ada(cid:895)