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Chesapeake Bay

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Warm Waters Elevate Vibrio Threat in Chesapeake Bay
health29 days ago

Warm Waters Elevate Vibrio Threat in Chesapeake Bay

Vibrio vulnificus infections are rising in Chesapeake Bay as warm summer waters promote flesh-eating bacteria that can enter through broken skin or undercooked shellfish; 72 cases so far this season with severe outcomes possible, including sepsis or amputation, though treatment is available if caught early. Protective steps include avoiding water with wounds, wearing protective gear, showering after swimming, and proper shellfish cooking. Last year had 11 related deaths; Maryland waters infections are rare overall.

via WBAL-TV|
#chesapeake-bay#flesh-eating-bacteria#health
Adults Are the Primary Predator of Baby Blue Crabs in Chesapeake Bay
biology5 months ago

Adults Are the Primary Predator of Baby Blue Crabs in Chesapeake Bay

A 37-year study in Chesapeake Bay confirms that cannibalism by adult blue crabs is the main cause of death for juveniles, accounting for about 97% of injuries with over half lethal. Fish predation was negligible. Cannibalism varies with season and crab size—warmer months and smaller juveniles are most at risk—while crabs in shallower waters survive better. The findings, published in the Proceedings of the National Academy of Sciences, inform a stock-assessment model for sustainable management and highlight the need to protect juvenile shelters as climate-related changes threaten shallow, mid-salinity habitats.

via Gizmodo|
#biology#blue-crabs#cannibalism
Chesapeake Bay Ice Revisited: 1977 Freeze Echoes Today
science6 months ago

Chesapeake Bay Ice Revisited: 1977 Freeze Echoes Today

NASA’s Earth Observatory recalls a historic Chesapeake Bay freeze captured by Landsat-1 in February 1977, when ice covered about 85% of the bay with notable thickness, and compares it to the 2025–2026 season’s roughly 38% coverage. The older images showed thick ice and fragmented areas that affected infrastructure and shellfish, while today’s conditions enable rare winter activities like ice boating and continue to challenge watermen and harbor facilities. The piece situates today’s freeze in the context of the region’s long record of extreme cold and ice conditions.

via NASA Science (.gov)|
#1977-winter#chesapeake-bay#ice-cover
Asteroid Impacts: No Long-Term Climate Change, New Findings Reveal
science1 year ago

Asteroid Impacts: No Long-Term Climate Change, New Findings Reveal

New research reveals that massive asteroid impacts, including one that created a 25-mile-wide crater beneath Chesapeake Bay 35 million years ago, did not cause significant long-term climate changes on Earth. Despite expectations of global climate alteration, the study found no measurable shifts in climate following these impacts, which also include a 60-mile-wide crater in Siberia. The findings, based on isotope analysis of ancient marine fossils, suggest that while such impacts would be catastrophic on a human timescale, they did not disrupt Earth's climate over the long term. The study highlights the importance of ongoing efforts to prevent future asteroid collisions.

via Daily Mail|
#asteroid#chesapeake-bay#climate
environment2 years ago

"2024 Chesapeake Bay Blue Crab Survey Reveals Mixed Results"

The 2024 Chesapeake Bay Blue Crab Winter Dredge Survey estimates 317 million blue crabs, a slight decrease from last year. Spawning age female crabs dropped to 133 million but remain above the overfishing threshold. Juvenile crab numbers rose to 138 million, though still below average. A new stock assessment will begin this summer to reassess management strategies, with results expected by March 2026.

via maryland.gov|
#blue-crabs#chesapeake-bay#environment
"Escalating Battle Over Chesapeake Bay Menhaden in Virginia"
environment2 years ago

"Escalating Battle Over Chesapeake Bay Menhaden in Virginia"

The small menhaden fish has become a focal point of a contentious debate in the Chesapeake Bay, with environmentalists and sportfishing groups advocating for a complete ban on the commercial fishery due to concerns of overfishing and its impact on the local ecosystem. On the other hand, Omega Protein, the last company harvesting menhaden in the bay, argues that there is no evidence supporting these concerns and that a ban would threaten local jobs. The debate has intensified in recent years, with clashes between the commercial fishing industry and recreational fishermen, and a proposed study on the status of menhaden in the bay has been delayed.

via NPR|
#chesapeake-bay#environment#environmental-conservation
"Northeast Braces for Back-to-Back Storms and Flooding Threats"
weather2 years ago

"Northeast Braces for Back-to-Back Storms and Flooding Threats"

A Wind Advisory with gusts up to 40 mph is in effect as the aftermath of a recent storm includes wind damage, power outages, and flooding, particularly around the Chesapeake Bay. Western Maryland experienced up to 10 inches of snow, with more snow showers expected. Another storm is forecasted for Friday to Saturday, potentially bringing more snow and flooding, followed by colder temperatures and a chance of light snow on Monday. The meteorologist, Justin Berk, also addresses his dyslexia and the occasional typos in his weather updates.

via Just In Weather|
#chesapeake-bay#snowstorm#storm-cleanup
outdoor-and-recreation2 years ago

Maryland Takes Action to Protect Striped Bass Population in Chesapeake Bay

Maryland anglers are enjoying good fishing opportunities despite the colder weather. The Maryland Department of Natural Resources is proposing emergency regulations to protect the spawning population of striped bass. In the Upper Chesapeake Bay, anglers are finding slim pickings for striped bass but are having success with smallmouth bass and walleye. In the Middle Bay, striped bass are still present in the channels, while white perch have moved to deeper waters. In the Lower Bay, striped bass fishing is good in the Potomac River, and white perch are also being caught. Freshwater fishing is productive for northern pike, smallmouth bass, walleye, largemouth bass, crappie, and chain pickerel. Offshore, anglers are enjoying excellent fishing for black sea bass, flounder, triggerfish, bluefish, and porgies.

via maryland.gov|
#black-sea-bass#chesapeake-bay#fishing
"Massive Dry Dock Gate Submerged to Enhance VA's Artificial Reef"
environment3 years ago

"Massive Dry Dock Gate Submerged to Enhance VA's Artificial Reef"

Newport News Shipbuilding has donated a massive dry dock caisson gate to the tower reef, an artificial reef off the Chesapeake Bay. The gate, which is used to seal water out of a dry dock, will provide a habitat for marine organisms and contribute to the ecosystem. The tower reef has been successful in attracting a variety of sea life, making it a popular spot for anglers and divers. The reef is periodically expanded with new structures, and while there are no immediate plans for more additions, future expansions are expected.

via Chesapeake Bay Magazine|
#artificial-reef#chesapeake-bay#conservation