Science Topics term usage 2007-09-09

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

59	geographic information systems (GIS)
44	earthquakes
27	volcanoes
23	earthquake occurrences
22	nonvascular plants
17	climate change
15	reports
13	mineral resources
13	contamination and pollution
12	health and disease
11	real-time monitoring and reporting
11	tectonic processes
11	ground water
11	life sciences
11	earth structure
10	streamflow
10	human impacts
10	endangered species
9	acid deposition
9	population and community ecology
9	rocks and deposits
9	water supply and demand
8	droughts
8	desert ecosystems
8	social sciences
8	wildlife
7	terrestrial ecosystems
7	biodiversity
7	animals
7	energy resources
7	water quality
7	maps and atlases
6	outer core (earth)
6	countries, 2nd order divisions
6	biogeography
6	population dynamics
5	crust (earth)
5	ecosystems
5	tsunamis
5	plants (organisms)

Science Topics term usage Sunday, 2007-09-09