LEO Network

Background Articles

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


280 Posts


Natural Environment

Fish
 
280
Ocean / Sea
 
111
Surface Waters / Wetlands
 
67
Invertebrates
 
50
Marine Mammals
 
40
Birds
 
26
Land
 
20
Plants / Kelp
 
20
Microbes
 
18
Weather
 
16
Land Mammals
 
15
Amphibians
 
10
Insects
 
10
Reptiles
 
10
Air
 
9
Arachnids
 
8
Fungi
 
6
Atmosphere
 
4
Groundwater
 
4

Unusual or Unexpected Event

Death / Die-off / Decline
 
124
Extreme Temperature
 
50
Unusual Range / Sighting
 
38
Unusual Size / Abundance
 
37
Pollution
 
18
Deformity / Disease / Injury
 
17
Parasite
 
17
Ice / Snow Change
 
13
Algal Bloom
 
12
Seasonal Timing
 
12
Infestation
 
10
Pathogen
 
7
Unusual Animal Behavior
 
5
Drought
 
5
Physical or Chemical Change
 
4
Erosion
 
4
Extreme Precipitation
 
4
Permafrost Change
 
4
Extreme Wind
 
3
Landslide / Avalanche
 
3
Fire
 
3
Debris / Trash
 
2
Flooding / Draining
 
2
Glacier Change
 
2
Earthquake
 
1
Rain on Snow
 
1
Storm Surge
 
1

Impact on Human Environment

Food Security
 
117
Fisheries
 
94
Economic Impact
 
75
Cultural Impact
 
64
Harvest Change
 
41
Human Health
 
32
Sports / Recreation
 
25
Aquaculture
 
16
Buildings
 
10
Transportation
 
10
Safety
 
9
Water Management
 
9
Conflict
 
8
Water Security
 
8
Livestock
 
7
Agriculture
 
4
Energy
 
4
Pets
 
4
Air Quality
 
3
Displacement
 
3
Communication
 
2
Forestry
 
2
Resilience
 
2
Sanitation
 
2
TOURISM
 
2
Burial Site
 
1

Year

2 1 2 1 1 1 2 4 8 24 55 23 22 11 47 38
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2004 2007 2010 2011 2012 2013 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Month

21 15 14 17 13 27 23 20 23 18 29 22
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SUMMER
 
56
FALL
 
49
WINTER
 
49
SPRING
 
31

Country

United States
 
84
Canada
 
23
Russia
 
6
Norway
 
5
Australia
 
2
Greece
 
1
Greenland
 
1
India
 
1
Nigeria
 
1
Spain
 
1
Svalbard and Jan Mayen
 
1
Sweden
 
1
Vietnam
 
1