BIOLOGY 1101 Lecture Notes - Lecture 30: Swordfish, Bioaccumulation, National Environmental Policy Act
6 Sep 2016
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Intrinsic value: biodiversity is valuable, regardless of its value to humans. Utilitarian value: biodiversity provides services of values to humans: provisioning services: Actual product is produced: cultural services: Buffalo: important for origin story, plants: coco plant, lion: symbolic for christian religion: regulating services: Forests like amazon rainforest can perform photosynthesis to maintain. Co2 and o2 levels in the atmosphere: habitat services: Earthworms decompose matter that turns into soil. Nitrogen fixing bacteria turn nitrogen into usable air. Has caught on fire dozens of times (13 in 1868 alone) Fire in 1969 received a great deal of national attention. Was important in congress passing the national environmental protection. Act (nepa), which led to the establishment of the epa. Today, not perfect, community richness has increased, some parts of the river are in good condition. No, some are essential to life, like iron and zinc. Ld50 (lethal dose for 50% of recipients) is a standard measure of toxicity.
