BIO205H5 Lecture Notes - Boreal Forest Of Canada, Soil Chemistry, Mauna Loa Observatory
Document Summary
Reintroductions can be successful: the whooping crane (grus americana: carrying out conservation practices by reintroduction, where a species used to exist. We sometimes manage to protect before things look really bad: right off nova scotia coast, northern bottlenose whales, permanent population; spend all their life in the gully, good habitat for sperm whales as well, strongly organized structure. Conservation issues are not as clear cut and have to considered how much education value it"s worth. Aldo leopold: we abuse land because we regard it as a commodity, belonging to us. Co2 concentration is increasing on hawaii: mauna loa observatory, hawaii. Co2 concentration is increasing in nunavut: red trend line. Temperature regimes are changing: some areas have increased in 4 degrees, some areas have decreased. It"s not everywhere that temperatures go in one direction, but temperature are changing. Areas with drought while some areas have lots of water in short period of times; and in dry areas, there are fire hazards.
