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Lecture

BIO205 Lecture 23 (Nov 26, 2012).docx

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Department
Biology
Course
BIO205H5
Professor
Christoph Richter
Semester
Fall

Description
BIO205 Lecture 23 - Lecture 23: climate change - Reintroductions can be successful: the whooping crane (Grus Americana) o Carrying out conservation practices by reintroduction o Where a species used to exist - We sometimes manage to protect before things look really bad o Right off Nova Scotia coast o Northern Bottlenose whales o Permanent population; spend all their life in the Gully o Good habitat for sperm whales as well o Strongly organized structure - Canada’s protected area o Set up areas where only certain things or nothing is allowed in order to preserve certain habitats or species o Canada is one of the countries with the longest coastline o Distribution is near the southern part of Canada - Is this conservation? o BIG MIRACLE movie starring Drew Barrymore and John Krasinki based on a “true story” o The community tried to save these 3 grey whales stuck in Alaska because the ice cuts them off from the open oceans o Russian ice breakers to break the ice o 1 whale died while 2 made it out o It was considered a “huge conservation success” o Was this conservation?  The grey whales are not endangered so was it worth it to just save 3 whales?  Should conservation organization fund this?  Conservation issues are not as clear cut and have to considered how much education value it’s worth  Culture practices? Some people states that they’ve been doing it for years and wondering why should they stop now? Have to concern about other issues too - Aldo Leopold o “We abuse land because we regard it as a commodity, belonging to us. When we see land as a community, to which we belong, we may begin to use it with love and
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