LEO Network

Background Articles

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


327 Posts


Natural Environment

Fish
 
114
Ocean / Sea
 
113
Birds
 
64
Invertebrates
 
64
Marine Mammals
 
57
Land Mammals
 
54
Surface Waters / Wetlands
 
46
Plants / Kelp
 
41
Weather
 
25
Insects
 
23
Land
 
20
Microbes
 
14
Reptiles
 
8
Amphibians
 
7
Arachnids
 
5
Atmosphere
 
3
Groundwater
 
3
Air
 
2
Fungi
 
1
Other
 
1

Unusual or Unexpected Event

Death / Die-off / Decline
 
327
Extreme Temperature
 
52
Deformity / Disease / Injury
 
45
Unusual Range / Sighting
 
20
Drought
 
18
Ice / Snow Change
 
16
Unusual Size / Abundance
 
15
Pathogen
 
15
Infestation
 
12
Unusual Animal Behavior
 
11
Algal Bloom
 
10
Pollution
 
8
Seasonal Timing
 
6
Extreme Precipitation
 
5
Fire
 
4
Physical or Chemical Change
 
3
Erosion
 
3
Extreme Wind
 
3
Flooding / Draining
 
3
Landslide / Avalanche
 
1
Permafrost Change
 
1
Rain on Snow
 
1
Sea/Land Level Change
 
1

Impact on Human Environment

Food Security
 
113
Fisheries
 
64
Economic Impact
 
63
Cultural Impact
 
58
Harvest Change
 
51
Human Health
 
26
Sports / Recreation
 
25
Safety
 
16
Aquaculture
 
10
Livestock
 
9
Agriculture
 
8
Forestry
 
7
Pets
 
7
Transportation
 
7
Water Security
 
6
Water Management
 
6
Conflict
 
5
Buildings
 
4
Communication
 
3
Air Quality
 
2
Burial Site
 
2
Displacement
 
2
Energy
 
2
Resilience
 
1
Sanitation
 
1
TOURISM
 
1

Year

2 1 1 1 1 1 3 4 9 31 66 27 24 25 71 4
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1997 2004 2007 2008 2011 2012 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Month

23 17 18 16 17 34 21 20 28 24 34 19
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SUMMER
 
67
FALL
 
66
WINTER
 
55
SPRING
 
41

Country

United States
 
104
Canada
 
24
Norway
 
7
Russia
 
6
Iceland
 
3
Japan
 
2
United Kingdom
 
2
Afghanistan
 
1
Australia
 
1
China
 
1
Estonia
 
1
Finland
 
1
Greece
 
1
Greenland
 
1
Guatemala
 
1
Ireland
 
1
Poland
 
1
Puerto Rico
 
1
Spain
 
1
Svalbard and Jan Mayen
 
1