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• Topic Timeline (Yearly)

	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Birds
Ocean / Sea
Land
Weather
Plants / Kelp
Marine Mammals
Fish
Land Mammals
Insects
Invertebrates
Surface Waters / Wetlands
Microbes
Reptiles
Air
Arachnids
Amphibians
Fungi
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Unusual Range / Sighting
Seasonal Timing
Death / Die-off / Decline
Ice / Snow Change
Unusual Animal Behavior
Extreme Temperature
Parasite
Unusual Size / Abundance
Pollution
Extreme Precipitation
Algal Bloom
Deformity / Disease / Injury
Pathogen
Erosion
Landslide / Avalanche
Storm Surge
Permafrost Change
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Human Health
Sports / Recreation
Pets
Agriculture
Cultural Impact
Economic Impact
Livestock
Buildings
Sanitation
Food Security
Transportation