LEO Network

Background Articles

Search our collection of background (non-event) articles from news media, science journals and other sources.


240 Posts


Natural Environment

Ocean / Sea
 
91
Fish
 
82
Invertebrates
 
55
Birds
 
45
Marine Mammals
 
44
Plants / Kelp
 
37
Land Mammals
 
36
Surface Waters / Wetlands
 
33
Insects
 
22
Weather
 
21
Land
 
15
Microbes
 
14
Reptiles
 
8
Amphibians
 
7
Arachnids
 
5
Groundwater
 
3
Air
 
2
Atmosphere
 
2
Fungi
 
1
Other
 
1

Unusual or Unexpected Event

Death / Die-off / Decline
 
240
Extreme Temperature
 
44
Deformity / Disease / Injury
 
27
Unusual Range / Sighting
 
20
Drought
 
15
Unusual Size / Abundance
 
13
Infestation
 
12
Ice / Snow Change
 
12
Algal Bloom
 
9
Pathogen
 
8
Unusual Animal Behavior
 
7
Pollution
 
7
Seasonal Timing
 
6
Extreme Precipitation
 
5
Extreme Wind
 
3
Fire
 
3
Physical or Chemical Change
 
2
Erosion
 
2
Flooding / Draining
 
2
Landslide / Avalanche
 
1
Rain on Snow
 
1
Sea/Land Level Change
 
1

Impact on Human Environment

Food Security
 
79
Economic Impact
 
48
Fisheries
 
42
Cultural Impact
 
38
Harvest Change
 
26
Sports / Recreation
 
20
Human Health
 
16
Aquaculture
 
9
Livestock
 
9
Agriculture
 
8
Forestry
 
7
Safety
 
6
Buildings
 
4
Water Security
 
3
Air Quality
 
2
Burial Site
 
2
Conflict
 
2
Displacement
 
2
Transportation
 
2
Energy
 
1
Pets
 
1
Resilience
 
1
Sanitation
 
1
Water Management
 
1

Year

2 1 1 1 1 1 3 4 9 31 66 27 23 24 5
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1997 2004 2007 2008 2011 2012 2015 2016 2017 2018 2019 2020 2021 2022 2023

Month

20 13 8 9 11 24 18 16 22 16 25 17
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

FALL
 
62
SUMMER
 
55
WINTER
 
50
SPRING
 
27

Country

United States
 
73
Canada
 
20
Russia
 
5
Iceland
 
3
Norway
 
3
Japan
 
2
Afghanistan
 
1
Australia
 
1
Estonia
 
1
Finland
 
1
Greece
 
1
Greenland
 
1
Guatemala
 
1
Puerto Rico
 
1
Svalbard and Jan Mayen
 
1
United Kingdom
 
1