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Resources

Maps

• Lower Hudson with Submerged Aquatic Vegetation


• Hudson River Map with Surrounding Counties


• Map of Hudson River Watershed


• Map of the Mouth of the River


• Tivoli Bays Aquatic Vegetation from 1991-1997


• Nitrogen Loading to the Hudson Watershed


• Nitrogen Inputs to Northeast Watersheds

Flash Graphics

• Food Chains
  
• Water Chestnut and Water Celery
  
• Zebra Mussel Invasion
  
• The Watershed
  

Difficult Concepts

• Acids & pH PDF


• Nitrogen in a Disturbed Watershed Visual


• Nitrogen in an Undisturbed Watershed Visual


• Progression of Tides Over Time PDF


• Tides in the Hudson PDF: Two pages that show the relationship between tides and currents in the river


• Tides in the Hudson II PDF: A longer discussion of the causes of tides; great review!


• Wappinger Creek Chemistry Graphs PDF


• Carbon Balance of the Atmosphere PDF


• Changes in Carbon Pools PDF


• Estimates of Carbon in Fossil Fuel Reserves PDF


• World Carbon Cycling PDF

Aquatic Life

• Common Hudson River Plants PDF


• Marsh Food Web Visual


• Brackish Channel Food Web Visual


• Freshwater Channel Food Web Visual


• Freshwater Shallows Food Web Visual


• Zebra Mussels and the Hudson River - Before Invasion and After Invasion


• Water Chestnut Invasion - High Tide Day and High Tide Night


• Water Chestnut Invasion - Low Tide Day and Low Tide Night
• Native Water Celery - Day and Night