Search - Local Environmental Observer (LEO) Network

Explore Posts
- Most Recent
- Near You
- At your Latitude
- Advanced Search
- Observations From Members
- Posts by Topic
- Weather
- Ocean / Sea
- Plants / Kelp
- Human Health
- Buildings
- More Topics
- Posts by Date
- Past Week
- Past Month
- Past Year
- Posts by Season
- Winter
- Spring
- Summer
- Fall
Submit a Post
Directory
Library
About

Sign In / Join
My LEO
- My LEO
- My Maps
- My Community
- Messages
- Editor
- Sign Out
English
- English
- Español
- Français
- Deutsch
- Русский
- Norsk
- Svenska
- Suomi
- Dansk
- Yup'ik
- Portuguese
- Монгол хэл
- العربية
- Davvisámegiella
- Skolt Sámi
- Íslenska
- Українська
- हिंदी
- اُردُو
- Türkçe

Local Environmental Observer (LEO) Network

Explore Posts

At your Latitude

Advanced Search

Observations From Members

Submit a Post

Submit your Own Event Observation

Have you observed an unusual environmental or climate event in your area? Please share it with us.

Submit an Event Article

Has your local news media reported on an unusual environmental or climate event? Please let us know.

Submit a Background Article

Please share background (non-event) articles with us.

Directory

About

Funding & Support

LEO in the News & Research

My LEO

List Map Stats

Thumbnails
Slideshow
Timeline
Download Search Results
Embed
Search Engine Help

All Topics
Or limit to:
Fish
Death / Die-off / Decline
Cultural Impact
Ocean / Sea
Surface Waters / Wetlands
Other Topics...

Any Date
Or limit to:
Past Week
Past Month
Past Year
More Options...

Entire World
Or limit to:
A country of countries
A region
A community or location
A latitude band
A bounding box
A polygon

All Posts
Or limit to:
All Event Posts
Observations from Members
Articles in News Media
Background Articles

Fish Die-Off Tubutulik River

11 Jul 2019

Koyuk, Alaska, United States

We observed more than 50 otherwise healthy (not spawned out) dead fish including pink and chum salmon and white fish

LEO Network

© Mapbox © OpenStreetMap

Embed Code

Paste this code into a web page to embed these search results on a map.

Share Search Results

Enter email addresses separated by a comma

Save Search Results

Name Your Search

Receive email notification?

Filters

Topic

	Food Security	389
	Fish	124
	Death / Die-off / Decline	112
	Cultural Impact	87
	Ocean / Sea	86
	Surface Waters / Wetlands	63
	Weather	62
	Economic Impact	60
	Ice / Snow Change	58
	Extreme Temperature	57
	Land Mammals	54
	Seasonal Timing	53
	Deformity / Disease / Injury	48
	Harvest Change	45
	Human Health	45
	Fisheries	44
	Invertebrates	42
	Marine Mammals	41
	Plants / Kelp	39
	Safety	37
	Transportation	37
	Unusual Range / Sighting	35
	Unusual Size / Abundance	34
	Birds	31
	Land	30
	One Health	27
	Parasite	24
	Sports / Recreation	24
	Pathogen	24
	Agriculture	22
	Water Security	22
	Drought	21
	Buildings	20
	Livestock	19
	Pollution	18
	Extreme Precipitation	17
	Insects	17
	Flooding / Draining	15
	Sanitation	14
	Zoonotic Flu	14
	Erosion	13
	Infestation	13
	Algal Bloom	12
	Energy	12
	Unusual Animal Behavior	11
	Permafrost Change	10
	Rain on Snow	10
	Storm Surge	10
	Displacement	9
	Air	8
	Aquaculture	8
	Paralytic Shellfish Poisoning	7
	Fire	7
	Air Quality	6
	Microbes	6
	Pets	6
	Water Management	6
	Extreme Wind	5
	Groundwater	5
	Landslide / Avalanche	5
	Atmosphere	4
	Mental Health	4
	Thunderstorm	4
	Trichinosis	4
	Acute Illness	3
	Anthrax	3
	Communication	3
	Cyclone / Hurricane	3
	Vibrio parahaemolyticus	3
	Brucellosis	2
	Conflict	2
	Chronic Wasting Disease	2
	Distemper	2
	Fungi	2
	Rabies	2
	TOURISM	2
	Arachnids	1
	Burial Site	1
	Chronic Illness	1
	Debris / Trash	1
	Earthquake	1
	Forestry	1
	Glacier Change	1
	Relocation	1
	Reptiles	1
	Unusual Variation	1

Show observations with

of the selected

Countries

	United States	221
	Canada	38
	Russia	11
	Norway	10
	Iceland	5
	Mexico	2
	Australia	1
	Finland	1
	Ireland	1
	Mongolia	1
	Nigeria	1
	Philippines	1
	South Africa	1
	Sweden	1
	Zimbabwe	1

Date Range

From		To
	-

Season

	Summer	139
	Fall	100
	Spring	57
	Winter	56

Year

	2025	4
	2024	32
	2023	38
	2022	42
	2021	53
	2020	52
	2019	78
	2018	18
	2017	6
	2016	8
	2015	4
	2014	10
	2013	10
	2012	7
	2011	3
	2010	1
	2007	1
	2003	1

Month

	January	20
	February	14
	March	22
	April	22
	May	15
	June	41
	July	45
	August	58
	September	46
	October	32
	November	30
	December	23