Articles tagged with Mangroves
Researchers found mangrove rivulus fish recognize single embryos as related to themselves despite hunger, suggesting a chemical cue role. The study's results demonstrate an early-stage embryonic kin recognition ability in this species.
Marine ecologists at HKU have discovered a new species of mangrove-climbing crab, Haberma tingkok, found only in the Ting Kok area of Hong Kong. The crab is small, dark brown, and has elongated legs, representing the second endemic mangrove crab species described in Hong Kong.
A seven-year study reveals that mangrove conversion to agricultural uses results in a land-use carbon footprint of 1,440-1,603 pounds of CO2 for beef and shrimp production, respectively. This amounts to approximately the same greenhouse gas emissions as driving a fuel-efficient automobile from Los Angeles to New York City.
A new species of terrestrial crab has been discovered in Hong Kong, with characteristics including a dark brown carapace and long legs. The discovery highlights the need for conservation efforts due to habitat destruction caused by pollution and land reclamation.
Researchers found unprecedented dieback of 7400 hectares of mangroves in the Gulf of Carpentaria due to prolonged drought, record-breaking heatwaves, and a 20cm sea level drop. This discovery highlights mangroves' vulnerability to climate change and extreme weather events.
Researchers found that desert mangroves in Mexico's Baja California store nearly 30% of the region's belowground carbon, exceeding estimates. The study highlights the importance of mangrove conservation and ecosystem services in mitigating climate change.
Researchers have developed a toolkit to help boost the likelihood of success for mangrove restoration projects by incorporating local water level data. The study found that considering hydrology is vital in determining a project's chances of success, and tools can be used to measure water levels over a minimum period of 30 days.
A James Cook University study found adult females remain in coastal areas year-round, giving birth and raising young. The team tracked over 100 sharks for more than two years, discovering a mysterious attraction to a specific bay near Townsville.
A recent NUS study examines the factors leading to mangrove deforestation in Southeast Asia between 2000 and 2012. The researchers found that rice agriculture in Myanmar and oil palm plantations in Malaysia and Indonesia are major drivers of this deforestation, posing future threats to the region's mangrove ecosystems.
A computer model predicts changes in tidal water level and salinity in Bangladesh's delta region, affecting farmland and the Sundarbans mangrove forests. The model could inform decisions on irrigation and crop management to mitigate potential flooding and ecosystem damage.
Mangrove forests around the Indo-Pacific region are at risk of submersion due to sea-level rise. However, some areas such as east Africa and north-western Australia may be able to persist despite rising seas.
Protected areas in Indonesia have preserved 14,000 hectares of mangrove habitat between 2000 and 2010, avoiding 28% of total mangrove loss. This conservation effort has reduced carbon dioxide emissions by approximately 13 million metric tons annually.
A new study reveals that pygmy sloths inhabit not only mangrove fringes but also the forested interior of their island refuge in Panama. The estimated population size was found to be significantly higher than previously thought, ranging from 500 to 1,500 individuals.
Researchers found that mangrove habitats in the U.S. Virgin Islands are providing a refuge for over 30 species of reef corals, which thrive under the shade of red mangroves but bleach in unshaded areas. This adaptation may help corals survive rising ocean temperatures and acidification.
Researchers found mangroves are expanding along hundreds of miles of coastline in Florida, with a doubling of habitat in areas like Daytona Beach and Titusville. The expansion is linked to a decrease in cold snaps, which allows mangroves to thrive in previously inhospitable conditions.
Mangroves have expanded dramatically along Florida's Atlantic Coast as frost frequency declined, replacing salt marshes. This change is linked to extreme weather patterns and rising temperatures.
Climate change is allowing mangroves to thrive in new areas around northern Florida, with the species' range expanding by over 3,000 acres between 1984 and 2011. The growth of mangroves may pose challenges for other coastal ecosystems, such as salt marshes, which could face loss of habitat and biodiversity.
Researchers at the University of Miami used satellite images to confirm the impact of saltwater intrusion on freshwater plants in the Everglades. The study found large patches of vegetation loss closer to the coast, while interior areas showed growth trends.
Researchers found mangrove rivulus jumps with greater force on land than largemouth bass, utilizing horizontal and vertical movements. The rivulus's 'tail flip' technique allows it to efficiently locate food, avoid predators, and escape poor water conditions.
A Princeton University study reveals that endangered species, such as Sumatran orangutans and Javan leopards, are increasingly taking up residence in swamp forests in Africa and Asia. These areas often lack food sources and fresh water, yet provide a crucial habitat for these animals.
The Sundarbans mangrove forest is disappearing at an alarming rate, resulting in loss of natural protection from tidal waves and cyclones. This will inevitably lead to species loss, including the endangered Bengal tiger.
A new species of hermit crab, Areopaguristes tudgei, has been discovered on the barrier reef off the coast of Belize by American University biologist Christopher Tudge. The species was named in his honor due to his unique contributions to knowledge of hermit crab reproductive biology.
Lola Fatoyinbo-Agueh, an environmental scientist at NASA Goddard, has been recognized for her exceptional achievement in merging scientific priorities with advanced technology to develop innovative remote-sensing instrumentation. Her research focused on mangrove forests, using data from multiple satellites and a remote sensing software...
A University of Rhode Island study found that Tanzania's Saadani National Park protects mangrove ecosystems while providing new income opportunities for local communities through increased fishing and shrimping activities. Mangrove cover declined by 27% before park establishment, but remained stable with reduced harvesting.
Researchers found that a buried mangrove layer in the Caribbean dampens seismic waves, reducing liquefaction risk. A new active fault was also identified near Lake Tahoe using LiDAR technology, potentially threatening the area with a magnitude 6.4-6.9 earthquake.
Researchers found box jellyfish use four of their 24 eyes to navigate through mangrove swamps by detecting the canopy's visual field. This ability allows them to avoid obstacles and control swimming rates in shallow waters.
New research reveals mangroves play a crucial role in mitigating climate change by storing vast amounts of carbon. The study found that mangrove destruction contributes significantly to greenhouse gas emissions, with potential impacts of up to 10% of global deforestation emissions.
A recent study found that mangroves store up to four times more carbon per hectare than most tropical forests. The high-carbon storage capacity of mangroves can be attributed to their deep organic-rich soils and complex root systems.
The mangrove killifish uses its skin to maintain ion balance, exchanging ions through the skin cells called ionocytes. The fish can also adapt to varying salinity levels, with skin ionocytes getting bigger in response to saltwater and returning to normal size when returned to water.
A new satellite-based global map of mangrove forests reveals they make up less than previously thought, sparking motivation for stronger conservation efforts. The map also shows 75% of the world's mangroves are concentrated in just 15 countries.
Scientists have created the most comprehensive map of the Earth's mangrove forest distribution, revealing a 12.3% decline in forest coverage compared to earlier estimates. The map shows that approximately 75% of remaining forests are found in just 15 countries, with only ~6.9% protected under existing networks.
Scientists are studying the effects of the Gulf oil spill on the Florida Everglades ecosystem, measuring hydrocarbon concentrations and food web structure at impacted sites. Research will help design future oil spill clean-up efforts and assess the impact on marine animal and plant distributions.
For the first time, a NASA study has mapped Africa's coastal mangrove forests, showing widespread destruction due to pollution, deforestation, and real estate development. The maps provide detailed information on forest area, height, biomass, and structure, enabling scientists and officials to monitor and conserve these vital ecosystems.
Over 40% of mangrove-restricted vertebrates are globally threatened, including birds, reptiles, mammals, and amphibians. The study urges research on predicting the impact of mangrove forest changes on these species.
A study found that villages with wider mangroves experienced significantly fewer deaths than those without them during a 1999 super cyclone in India. Mangroves cut the death toll by about two-thirds.
Researchers conclude that mangrove and tree barriers erected to protect against tsunami are not effective and may even increase the risk of damage. Instead, experts recommend installing early warning systems, educating populations on tsunami signs, and implementing evacuation plans.
A new acoustic underwater camera system developed by the US Department of Defense is being used to study the juvenile goliath grouper in mangrove habitats. The technology allows researchers to visualize individual fish species and habitat without light or visibility conditions, providing critical information for conservation efforts.
Low-budget, locally led mangrove replanting projects are more successful than high-cost government-led projects, achieving survival rates of up to 97%. Planting the correct species in suitable sites and community involvement are key to ecological benefits.
Researchers discovered that young birds' first winter environment plays a crucial role in determining their lifetime breeding grounds. The study suggests that access to water in the winter habitat is a critical factor in shaping their future migrations.
Researchers find that small losses of mangroves can be offset by gains from shrimp farming, allowing for a balance between environmental protection and economic development. The study suggests using ecosystem-based management to conserve entire ecosystems and mitigate the impact of human activities on natural habitats.
A new study found that agricultural expansion is the major factor behind mangrove deforestation in tsunami-impacted regions, with aquaculture and urban development contributing less significantly. The study used Landsat satellite images to quantify the rates and causes of change between 1975 and 2005.
A new species of snapper, Lutjanus alexandrei, has been discovered in the Abrolhos region of Brazil's South Atlantic Ocean. The species was previously mistaken for a dog snapper and was found to have distinct markings and color.
Mangroves are a significant source of dissolved organic carbon in the ocean, accounting for nearly triple the estimated amount previously thought to be released from smaller-scale estimates. The mangrove root system slows down the release of carbon-rich leaf litter into shallow sediment, where it is then leached into coastal waters.
A new Science study confirmed that mangroves played a crucial role in shielding communities from the devastating effects of tsunamis. The study found that areas with trees suffered less destruction than those without, highlighting the importance of coastal vegetation in reducing tsunami damage.
Researchers investigated 24 mangrove sites in Sri Lanka and found that mangroves offered protection from tsunami waves, but pre-tsunami degradation had a profound impact on damage. The study highlights the urgent need for early warning systems for mangrove degradation to save human lives and property.
Research shows that contemporary irrigation projects have diverted river basins, introducing excess fresh water that disrupts mangrove tree species composition and ethnobiological relationships. Early detection of such changes is essential for preventing further mangrove degradation and protecting vital ecosystems.
Researchers found that the snake uses a novel 'loop and pull' behavior to consume large crabs, overcoming limitations imposed by limb loss and body form changes. The behavior was recorded in a dark room with infrared video cameras and verified through observations of wild snakes consuming oversized prey.