Every Mississippi Beach Is Closed Due to Toxic Algae
If you're looking to cool off in the waters of Mississippi's Gulf Coast, think again.
A toxic algal bloom has made the waters dangerous to humans and their pets. The Mississippi Department of Environmental Quality has shut down swimming at all of its beaches due to a blue-green harmful algal bloom, according to CNN.
Toxic algae are dangerous to touch and poisonous when swallowed. It can cause rashes, stomach cramps, nausea, diarrhea and vomiting, the state agency warned.
While the sand on the beaches is still open, the state's DEQ said beachgoers should avoid water contact or consumption of anything from the waters "until further notice," as CNN reported. The agency also advised anyone exposed to the water to wash with soap and water and to not eat fish or any other seafood taken from affected areas.
The blooms are not technically algae, but cyanobacteria — aquatic and photosynthetic bacteria. Many things, including changes in water temperature and fertilizer run-off, can trigger its bloom. Once the conditions are right for the cyanobacteria to spawn rapidly, they produce harmful toxins, as The Week reported.
"I had a feeling it was going this way. Water always flows west to east," Pascagoula resident Bill Kenan told Biloxi ABC affiliate WLOX. "It just keeps going and going and going. I don't know if it's ever going to get better. I hope it does."
The National Oceanic and Atmospheric Administration said that the climate crisis and increases in nutrient levels of bodies of water due to fertilizer run-off are potentially causing harmful algal blooms to occur more often and in areas not previously affected, ABC News reported. Warmer waters with a marked increase in surface temperature or a change in sea currents are particularly susceptible to the bloom. A harmful algal bloom can look like foam, scum or mats on the surface of water and can be different colors, according to the Centers for Disease Control and Prevention.
This bloom was triggered in part by the opening of the Bonnet Carre spillway in Louisiana, which introduced an excessive amount of freshwater to the coastline, according to the Jackson Clarion-Ledger.
The spillway was opened to offset a rising Mississippi River that experienced massive swelling after an especially wet winter that caused flooding in along the river's coastlines.
The spillway is expected to close mid-July after the river's waters recede. Experts believe its closure will prompt the algae bloom to dissipate. "Once they close the structure, conditions will start to change pretty quickly," said John Lopez, of Lake Pontchartrain Basin Foundation, a conservation organization that monitors water conditions throughout the Gulf Coast region, as reported by CBS New Orleans.
That prognosis will offer little relief to residents and tourists along the Mississippi Gulf Coast where temperatures will hover in the mid-90s all week.
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- Redwoods are the world's tallest trees.
- Now scientists have discovered they are even bigger than we thought.
- Using laser technology they map the 80-meter giants.
- Trees are a key plank in the fight against climate change.
They are among the largest trees in the world, descendants of forests where dinosaurs roamed.
Pixabay / Simi Luft<p><span>Until recently, measuring these trees meant scaling their 80 meter high trunks with a tape measure. Now, a team of scientists from University College London and the University of Maryland uses advanced laser scanning, to create 3D maps and calculate the total mass.</span></p><p>The results are striking: suggesting the trees <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">may be as much as 30% larger than earlier measurements suggested.</a> Part of that could be due to the additional trunks the Redwoods can grow as they age, <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">a process known as reiteration</a>.</p>
New 3D measurements of large redwood trees for biomass and structure. Nature / UCL<p>Measuring the trees more accurately is important because carbon capture will probably play a key role in the battle against climate change. Forest <a href="https://www.wri.org/blog/2020/09/carbon-sequestration-natural-forest-regrowth" target="_blank">growth could absorb billions of tons</a> of carbon dioxide from the atmosphere each year.</p><p>"The importance of big trees is widely-recognised in terms of carbon storage, demographics and impact on their surrounding ecosystems," the authors wrote<a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank"> in the journal Nature</a>. "Unfortunately the importance of big trees is in direct proportion to the difficulty of measuring them."</p><p>Redwoods are so long lived because of their ability to <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">cope with climate change, resist disease and even survive fire damage</a>, the scientists say. Almost a fifth of their volume may be bark, which helps protect them.</p>
Carbon Capture Champions<p><span>Earlier research by scientists at Humboldt University and the University of Washington found that </span><a href="https://www.sciencedirect.com/science/article/pii/S0378112716302584" target="_blank" rel="noopener noreferrer">Redwood forests store almost 2,600 tonnes of carbon per hectare</a><span>, their bark alone containing more carbon than any other neighboring species.</span></p><p>While the importance of trees in fighting climate change is widely accepted, not all species enjoy the same protection as California's coastal Redwoods. In 2019 the world lost the equivalent of <a href="https://www.worldwildlife.org/threats/deforestation-and-forest-degradation" target="_blank" rel="noopener noreferrer">30 soccer fields of forest cover every minute</a>, due to agricultural expansion, logging and fires, according to The Worldwide Fund for Nature (WWF).</p>
Pixabay<p>Although <a href="https://c402277.ssl.cf1.rackcdn.com/publications/1420/files/original/Deforestation_fronts_-_drivers_and_responses_in_a_changing_world_-_full_report_%281%29.pdf?1610810475" target="_blank" rel="noopener noreferrer">the rate of loss is reported to have slowed in recent years</a>, reforesting the world to help stem climate change is a massive task.</p><p><span>That's why the World Economic Forum launched the Trillion Trees Challenge (</span><a href="https://www.1t.org/" target="_blank" rel="noopener noreferrer">1t.org</a><span>) and is engaging organizations and individuals across the globe through its </span><a href="https://uplink.weforum.org/uplink/s/uplink-issue/a002o00000vOf09AAC/trillion-trees" target="_blank" rel="noopener noreferrer">Uplink innovation crowdsourcing platform</a><span> to support the project.</span></p><p>That's backed up by research led by ETH Zurich/Crowther Lab showing there's potential to restore tree coverage across 2.2 billion acres of degraded land.</p><p>"Forests are critical to the health of the planet," according to <a href="https://www.1t.org/" target="_blank" rel="noopener noreferrer">1t.org</a>. "They sequester carbon, regulate global temperatures and freshwater flows, recharge groundwater, anchor fertile soil and act as flood barriers."</p><p><em data-redactor-tag="em" data-verified="redactor">Reposted with permission from the </em><span><em data-redactor-tag="em" data-verified="redactor"><a href="https://www.weforum.org/agenda/2021/03/redwoods-store-more-co2-and-are-more-enormous-than-we-thought/" target="_blank">World Economic Forum</a>.</em></span></p>
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