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The Migration of Mangroves from Florida to Georgia is Aided by Climate Change

The Migration of Mangroves from Florida to Georgia is Aided by Climate Change

Discovery of Mangroves in Georgia: Indicative of Climate Change

A recent discovery along Georgia’s coast by a team of curious nature explorers has once again highlighted the impact of global warming. The explorers found that a notable tropical plant species, the mangrove, known for their saltwater-loving nature and distinctive barbwire-like roots, has extended its habitat to Georgia.

Ches Vervaeke, a coastal ecologist with the National Park Service, led the expedition with Candy Feller, a seasoned mangrove researcher from the Smithsonian Institution, and a reporter from Scientific American. They initially began their search along the northern Florida shoreline, which was previously known as the northernmost dwelling of this type of tree.

Their journey at Amelia Island, Florida, turned into an unexpected adventure as they found mangroves growing farther north than anticipated. “Every mangrove that we found… was the new northernmost mangrove along the East Coast,” Vervaeke revealed in a recent interview. Their discovery repeated about 15 times during their expedition.

They had reached Fernandina Beach, near the Florida-Georgia state line, when they decided to venture into Georgia territory. They crossed the St. Marys River into Georgia, and it was there, in Cumberland Sound where the group came across a mangrove. “I can’t believe it. There are mangroves in Georgia,” Vervaeke stated with surprise.

Climate Change Influencing Migration of Plant and Animal life

Global warming is creating favorable conditions, allowing plant and animal life to move north from their typical tropical habitats. Jaynie L. Gaskin, a wetland biologist with the Georgia Department of Natural Resources Coastal Resources Division, explained that “warming temperatures, including milder winters, are believed to be the driver of the expansion of mangrove habitat.”

According to Climate Central, average winter temperatures in Jacksonville have risen 3.4 degrees over the past half-century.

Climate change, primarily influenced by burning fossil fuels for energy, heating, and transportation, has lasting effects on our environment, including the migration of mangroves. “Mangrove migration is expected to steadily expand along the East and Gulf coasts with the projections of continued warming,” warned Gaskin.

Mangroves Vs Salt Marshes: Ecosystem Implications

Not so long ago, the Merritt Island National Wildlife Refuge marked the boundary between Florida’s more temperate north and the tropical south. However, as global warming has progressed, this climatic border has moved significantly, causing mangroves to gradually replace salt marshes in the north.

Mangroves are known to improve water quality, reduce storm damage and erosion, and even support economic growth through tourism. However, Gaskin noted, “we lack an understanding of how these ecosystem services may change” as the transition from salt marsh to mangrove occurs.

Furthermore, the Georgia coast, including its 14 major barrier islands, is expected to influence the migration of these trees. “When ocean currents bring mangrove seedlings north from Florida wetlands, the outer fringe marshes are likely to be the site of first deposition and possible establishment,” explained Gaskin.

Indeed, more research is needed to understand the impacts of mangrove migration on local ecosystems. Vervaeke emphasized, “There needs to be more research done to see if these mangroves are actually going to establish, start reproducing and actually compete with the marsh this far north.”

Original Story at www.savannahnow.com

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Mississippi River Faces Persistent Saltwater Intrusion, Region Seeks Long-Term Solutions



For the third consecutive year, the Mississippi River is experiencing significant saltwater intrusion, prompting local communities and environmental experts to search for sustainable solutions. This recurring issue arises as the river’s flow decreases, allowing saltwater to move upstream and threaten drinking water supplies. The U.S. Army Corps of Engineers is actively involved in addressing this problem, employing temporary measures like saltwater barriers to mitigate the impact on affected areas.



Saltwater infiltration poses serious risks to public health and agriculture, as freshwater sources become compromised. The situation is exacerbated by prolonged periods of drought, which have reduced freshwater flow in the Mississippi River. According to the National Weather Service, drought conditions have worsened due to climate change, increasing the frequency and severity of saltwater intrusion events.



Local authorities are collaborating with federal agencies to explore permanent solutions. Among the proposed strategies are enhanced levee systems and improved water management techniques. The U.S. Army Corps of Engineers is evaluating the feasibility of long-term infrastructure projects to prevent further saltwater encroachment. Additionally, community leaders are advocating for increased funding to support these initiatives and safeguard the region’s water resources.



The impact of saltwater intrusion extends beyond drinking water concerns, affecting local ecosystems and agricultural productivity. Farmers in the region have reported crop damage due to elevated salinity levels in irrigation water. The Natural Resources Conservation Service is working with farmers to implement adaptive practices, such as planting salt-tolerant crops and improving soil management techniques.



As the Mississippi River continues to face challenges from saltwater intrusion, stakeholders emphasize the importance of collaborative efforts and innovative solutions. The ongoing threat underscores the need for comprehensive planning and investment to protect one of America’s most vital waterways from the impacts of climate change and environmental stressors.

November 19, 2024



Environmental activists have raised concerns over the fossil fuel sector’s significant impact on COP29, the latest United Nations Climate Change Conference. Activists argue that the industry’s presence diverts focus from critical climate actions.



The conference, designed to promote global climate agreements, faces criticism for allowing fossil fuel companies to participate extensively. Environmental groups claim these companies undermine efforts to reduce carbon emissions and transition to renewable energy sources.



According to Climate Action Network, fossil fuel representatives have increased their lobbying activities, aiming to weaken climate policies. These industries allegedly influence negotiations, leading to watered-down commitments that fail to address the urgency of climate change effectively.



Experts suggest that the influence of these companies stems from financial contributions and longstanding relationships with decision-makers. Critics argue that this affects the conference’s ability to enforce meaningful climate change regulations.



During the event, several protests highlighted the need for transparency and a stronger focus on sustainable energy solutions. Activists are calling for increased participation of renewable energy stakeholders in future conferences.



The controversy surrounding fossil fuel involvement at COP29 underscores the ongoing challenge of balancing industrial interests with the global imperative to combat climate change.



November 19, 2024