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Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means.
Many cases of anatoxin-a related animal deaths have occurred due to ingestion of detached benthic cyanobacterial mats that have washed ashore. [7] Anatoxin-a producing cyanobacteria have also been found in soils and aquatic plants. Anatoxin-a sorbs well to negatively charged sites in clay-like, organic-rich soils and weakly to sandy soils.
Cyanophages infect a wide range of cyanobacteria and are key regulators of the cyanobacterial populations in aquatic environments, and may aid in the prevention of cyanobacterial blooms in freshwater and marine ecosystems. These blooms can pose a danger to humans and other animals, particularly in eutrophic freshwater lakes.
Microcystins cannot be broken down by standard proteases like pepsin, trypsin, collagenase, and chymotrypsin due to their cyclic chemical nature. [30] They are hepatotoxic , i.e., able to cause serious damage to the liver .
The honey packets discourse online raises an important question: Why do some young men feel a need to use honey packets in the first place, assuming they don't have a sexual health issue? "These ...
After the Cambrian explosion of marine animals, grazing on the stromatolite mats by herbivores greatly reduced the occurrence of the stromatolites in marine environments. Since then, they are found mostly in hypersaline conditions where grazing invertebrates cannot live (e.g. Shark Bay , Western Australia).
The Deadliest Animal in the World, Gates Notes; These Are The Top 15 Deadliest Animals on Earth, Science Alert; Top 10 Deadliest Animals To Humans In The World, Toptenia; The 25 Most Dangerous Animals In The World, List 25; The Most Dangerous Animals in the World, Animal Danger; Top 10 Most Dangerous Animals In The World, Conservation Institute
Another powerful animal tranquilizer has made its way into street drugs, added to illicit fentanyl and other opioids to prolong a user’s high. A dangerous new animal sedative is making its way ...