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Local Environmental Observer (LEO) Network

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Mysterious masses of seaweed assault Caribbean islands

11 Jun 2018

Caribbean Islands

Scientists scramble to explain unusual bloom of Sargassum

Science | AAAS / Katie Langin

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Topic

	Weather	1530
	Ocean / Sea	961
	Safety	863
	Surface Waters / Wetlands	857
	Ice / Snow Change	851
	Land	842
	Human Health	749
	Transportation	734
	Buildings	659
	Marine Mammals	632
	Land Mammals	625
	Extreme Temperature	601
	Fish	593
	Plants / Kelp	559
	Death / Die-off / Decline	545
	Birds	538
	Unusual Range / Sighting	516
	Seasonal Timing	503
	Extreme Precipitation	476
	Food Security	387
	Sports / Recreation	365
	Insects	323
	Flooding / Draining	314
	Invertebrates	299
	Economic Impact	279
	Extreme Wind	257
	Air	256
	Energy	236
	Fire	218
	Cultural Impact	216
	Unusual Animal Behavior	212
	Permafrost Change	210
	Sanitation	207
	Deformity / Disease / Injury	197
	Unusual Size / Abundance	188
	Landslide / Avalanche	187
	Drought	161
	Microbes	158
	Pets	158
	Erosion	155
	Water Security	151
	Air Quality	137
	Pathogen	126
	Agriculture	124
	Displacement	123
	Fisheries	123
	Pollution	122
	Livestock	118
	Parasite	106
	Rain on Snow	102
	Algal Bloom	85
	Storm Surge	83
	Water Management	83
	Glacier Change	82
	Zoonotic Flu	79
	One Health	78
	Harvest Change	77
	Infestation	73
	Arachnids	70
	Cyclone / Hurricane	55
	Paralytic Shellfish Poisoning	51
	Atmosphere	48
	Earthquake	45
	Injury	42
	Fungi	40
	Groundwater	40
	Thunderstorm	40
	TOURISM	40
	Debris / Trash	38
	Communication	36
	Eruption	36
	Forestry	34
	Aquaculture	31
	Reptiles	29
	Anthrax	27
	Mental Health	26
	Burial Site	25
	Amphibians	25
	Acute Illness	22
	Rabies	21
	Sinkhole / Crater	21
	Sea/Land Level Change	20
	Physical or Chemical Change	16
	Conflict	11
	Relocation	11
	Distemper	10
	Surface Waters / Wetlands	9
	Chronic Wasting Disease	8
	Tsunami	8
	Trichinosis	7
	Vibrio parahaemolyticus	7
	Amnesic Shellfish Poisoning	6
	Chronic Illness	6
	Radiation	5
	Toxoplasmosis	5
	Tularemia	4
	Unusual Variation	4
	Brucellosis	3
	Boreal Pox	2
	Botulism	2
	Anisakiasis / Anisakid	1
	Coronavirus / COVID	1
	Giardiasis	1
	Monkey Pox	1
	Unusual Smell or Taste	1

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Countries

	United States	2796
	Canada	651
	Russia	189
	Iceland	147
	Finland	124
	Norway	121
	Sweden	70
	United Kingdom	67
	Mexico	34
	Australia	22
	India	22
	Japan	22
	Ireland	18
	Svalbard and Jan Mayen	18
	France	15
	New Zealand	15
	Mongolia	12
	Spain	10
	Greenland	9
	Pakistan	8
	Chile	7
	Italy	7
	Greece	6
	Netherlands	6
	China	5
	South Africa	5
	Switzerland	5
	Argentina	4
	Dominican Republic	4
	Indonesia	4
	Kenya	4
	South Korea	4
	Turkey	4
	Brazil	3
	Faroe Islands	3
	Kazakhstan	3
	Philippines	3
	Poland	3
	Trinidad and Tobago	3
	Afghanistan	2
	Antigua and Barbuda	2
	Barbados	2
	Belgium	2
	Cambodia	2
	Costa Rica	2
	Cyprus	2
	Germany	2
	Honduras	2
	Israel	2
	Morocco	2
	Peru	2
	Saint Lucia	2
	Somalia	2
	Ukraine	2
	Uruguay	2
	Zambia	2
	Aland Islands	1
	Antarctica	1
	Bahamas	1
	Belize	1
	Cuba	1
	Curacao	1
	Denmark	1
	Egypt	1
	Estonia	1
	Falkland Islands	1
	Fiji	1
	Ghana	1
	Guatemala	1
	Haiti	1
	Iraq	1
	Kiribati	1
	Lebanon	1
	Libya	1
	Malaysia	1
	Mozambique	1
	Namibia	1
	Nauru	1
	Nepal	1
	Nigeria	1
	Papua New Guinea	1
	Portugal	1
	Puerto Rico	1
	Romania	1
	Saint Vincent and the Grenadines	1
	Sierra Leone	1
	Singapore	1
	Taiwan	1
	Thailand	1
	Tonga	1
	Turks and Caicos Islands	1
	Vietnam	1
	Yemen	1
	Zimbabwe	1

Date Range

From		To
	-

Season

	Summer	1837
	Spring	1364
	Fall	1311
	Winter	1189

Year

	2025	157
	2024	386
	2023	424
	2022	339
	2021	540
	2020	694
	2019	757
	2018	808
	2017	829
	2016	353
	2015	179
	2014	139
	2013	113
	2012	98
	2011	51
	2010	16
	2009	8
	2008	6
	2007	3
	2005	2
	2004	4
	2003	2
	2002	2
	2001	2
	2000	1
	1999	1
	1998	1
	1997	1
	1990	1
	1988	1
	1983	1

Month

	January	457
	February	389
	March	397
	April	467
	May	548
	June	586
	July	670
	August	643
	September	511
	October	395
	November	460
	December	396