LEO Network

Background Articles

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


364 Posts


Natural Environment

Fish
 
127
Ocean / Sea
 
120
Birds
 
75
Invertebrates
 
65
Land Mammals
 
61
Marine Mammals
 
61
Surface Waters / Wetlands
 
50
Plants / Kelp
 
46
Weather
 
27
Insects
 
23
Land
 
22
Microbes
 
14
Reptiles
 
8
Amphibians
 
7
Arachnids
 
5
Atmosphere
 
5
Groundwater
 
3
Air
 
2
Fungi
 
1
Other
 
1

Unusual or Unexpected Event

Death / Die-off / Decline
 
364
Extreme Temperature
 
55
Deformity / Disease / Injury
 
47
Unusual Range / Sighting
 
20
Drought
 
19
Parasite
 
18
Ice / Snow Change
 
17
Unusual Size / Abundance
 
16
Pathogen
 
16
Infestation
 
12
Algal Bloom
 
11
Unusual Animal Behavior
 
11
Pollution
 
9
Seasonal Timing
 
9
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
 
130
Economic Impact
 
73
Fisheries
 
73
Cultural Impact
 
71
Harvest Change
 
58
Human Health
 
28
Sports / Recreation
 
25
Safety
 
17
Aquaculture
 
10
Livestock
 
10
Agriculture
 
9
Forestry
 
8
Water Management
 
8
Conflict
 
7
Pets
 
7
Transportation
 
7
Water Security
 
6
Communication
 
4
Buildings
 
4
Energy
 
3
TOURISM
 
3
Air Quality
 
2
Burial Site
 
2
Displacement
 
2
Resilience
 
1
Sanitation
 
1

Year

2 1 1 1 1 1 1 3 4 9 31 66 28 24 26 73 30 10
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1997 2004 2007 2008 2009 2011 2012 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Month

27 21 21 24 20 36 22 23 28 26 37 27
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SUMMER
 
68
FALL
 
67
WINTER
 
59
SPRING
 
42

Country

United States
 
122
Canada
 
24
Russia
 
8
Norway
 
7
Iceland
 
3
China
 
2
Japan
 
2
United Kingdom
 
2
Afghanistan
 
1
Australia
 
1
Estonia
 
1
Faroe Islands
 
1
Finland
 
1
Greece
 
1
Greenland
 
1
Guatemala
 
1
Ireland
 
1
Poland
 
1
Puerto Rico
 
1
Spain
 
1
Svalbard and Jan Mayen
 
1