LEO Network

Background Articles

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


347 Posts


Natural Environment

Fish
 
123
Ocean / Sea
 
117
Birds
 
69
Invertebrates
 
65
Marine Mammals
 
58
Land Mammals
 
57
Surface Waters / Wetlands
 
50
Plants / Kelp
 
43
Weather
 
25
Insects
 
23
Land
 
21
Microbes
 
14
Reptiles
 
8
Amphibians
 
7
Arachnids
 
5
Atmosphere
 
4
Groundwater
 
3
Air
 
2
Fungi
 
1
Other
 
1

Unusual or Unexpected Event

Death / Die-off / Decline
 
347
Extreme Temperature
 
53
Deformity / Disease / Injury
 
47
Unusual Range / Sighting
 
20
Drought
 
18
Parasite
 
18
Unusual Size / Abundance
 
16
Ice / Snow Change
 
16
Pathogen
 
15
Infestation
 
12
Unusual Animal Behavior
 
11
Algal Bloom
 
10
Pollution
 
8
Seasonal Timing
 
7
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
 
124
Fisheries
 
73
Economic Impact
 
72
Cultural Impact
 
66
Harvest Change
 
58
Human Health
 
27
Sports / Recreation
 
25
Safety
 
17
Aquaculture
 
10
Livestock
 
10
Agriculture
 
8
Conflict
 
7
Forestry
 
7
Pets
 
7
Transportation
 
7
Water Security
 
6
Water Management
 
6
Communication
 
4
Buildings
 
4
Air Quality
 
2
Burial Site
 
2
Displacement
 
2
Energy
 
2
TOURISM
 
2
Resilience
 
1
Sanitation
 
1

Year

2 1 1 1 1 1 1 3 4 9 31 66 27 24 26 73 23
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1997 2004 2007 2008 2009 2011 2012 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Month

23 18 19 24 20 36 22 21 28 25 36 22
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

FALL
 
67
SUMMER
 
67
WINTER
 
55
SPRING
 
42

Country

United States
 
114
Canada
 
24
Norway
 
7
Russia
 
7
Iceland
 
3
China
 
2
Japan
 
2
United Kingdom
 
2
Afghanistan
 
1
Australia
 
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