Lec 01.Biodiv.2011

Lec 01.Biodiv.2011 - BIS2B, Fall 2008 Fri. Sept 23 Lecture...

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1 Welcome to BIS 2B Evolution and Ecology BIS2B, Fall 2008 Fri. Sept 23 Lecture 1. Measuring Biological Diversity Introduction to Lab 1. l What is Biodiversity? l Biodiversity includes not only the world's species with their unique evolutionary histories, but also genetic variability within and among populations of species and the distribution of species across local habitats, ecosystems, landscapes, and whole continents or oceans. z US National Academy of Sciences, 1999. 1. Geographical, Where species diversity exists. 2. Functional, How diversity works 3. Phylogenetic and taxonomic, Evolutionary relatedness of species diversity. Biodiversity High diversity, mostly different Low diversity, mostly the same Lake Abisko, Sweden 68° N 1 tree species, period. Rainforest, Ecuador, 1° S 1114 tree species in 50 ha.
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2 Sampling BioDiversity. Quadrats and Transects. On the ground, in the soil, in the water. a. Quadrats b. Transects Direct measurement Sampling biodiversity directly. Quadrats and Transects. Remote Sensing of biodiversity. From trees, bridges, towers, balloons, model aircraft, aircraft, satellites. Remote Sensing from aircraft. Walrus, Chukchi Sea, Alaska Vegetation, eastern California
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3 The MODIS Satellite, operated by NOAA, measures the intensity and wave length of light reflected from earth in visible and near-infrared wavelengths, from 0.55–1.0 micrometers.
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This note was uploaded on 01/21/2012 for the course ECON 2a taught by Professor Xi during the Spring '11 term at Cornell College.

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Lec 01.Biodiv.2011 - BIS2B, Fall 2008 Fri. Sept 23 Lecture...

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