Tree Rings
http://whyfiles.org/021climate/ringers.html
http://www.sonic.net/bristlecone/dendro.html
Food Webs
http://www.arcytech.org/java/population/facts_foodchain.html
Biomes
http://www.enchantedlearning.com/biomes/
http://mbgnet.mobot.org/sets/temp/index.htm
http://oncampus.richmond.edu/academics/as/education/projects/webunits/biomes/temp.html
Vernal Pools
http://www.vernalpool.org/vernal_1.htm
http://www.ucmp.berkeley.edu/glossary/gloss5/biome/index.html
Trees
http://users.erols.com/vctga/types/nrwy_spr.htm
http://www.oplin.lib.oh.us/products/tree/
http://www.treehelp.com/trees/spruce/spruce-types-norway.asp
http://www.exnet.iastate.edu/pages/tree/nor-spru.html
Champion Trees
http://www.americanforests.org/productsandpubs/magazine/archives/2002summer/editorial.php
http://forestry.about.com/library/weekly/aa090599.htm?iam=momma_100_SKD&terms=Champion+Trees
Disease, Insects, Problems
http://www.urbanext.uiuc.edu/focus/index_evergreen.html
Use/Range
http://www1.cac.washington.edu/home/treetour/nspruce.html
Wildlife Species
http://www.wildlife.state.nh.us/Wildlife/Nongame/species_list.htm