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Papers
61,005 resultsShowing papers similar to Diversity and distribution of seagrasses in Chilika Lagoon: Regional threats and management recommendations
ClearArtificial Neural Networks for Mapping Coastal Lagoon of Chilika Lake, India, Using Earth Observation Data
Researchers used satellite imagery processed with machine learning methods to map the environmental conditions of Chilika Lake, a Ramsar-designated coastal lagoon in India. The study assessed the ecological state of Asia's largest brackish water lagoon, which faces threats from climate effects and anthropogenic pressures. The findings contribute to monitoring efforts for this internationally important wetland ecosystem.
Species diversity of seagrass-associated bivalves as an ecological parameter to support seagrass conservation along with the Coastal Waters of South Lombok, Indonesia
Researchers studied the diversity of bivalve species associated with seagrass beds along the coast of South Lombok, Indonesia, finding that healthier seagrass beds supported greater bivalve diversity. Seagrass ecosystems are important for filtering microplastics from coastal waters, though this paper focuses on biodiversity rather than pollution. The findings support the conservation of coastal seagrass habitats.
Indigenous Freshwater Ichthyofauna in the Dhanu River and Surrounding Wetlands of Bangladesh: Species Diversity, Availability, and Conservation Perspectives
Researchers documented 91 indigenous fish species across 29 families in the Dhanu River and surrounding wetlands of Bangladesh, compiling detailed data on habitat preferences, conservation status, population trends, and threats. The study provides a baseline checklist to support freshwater biodiversity conservation in this data-poor region.
Seagrass Community Structure and Ecosystem Carbon Stocks Along the Shoreline of Semujur Island, Bangka Belitung Province, Indonesia
Researchers surveyed seagrass community structure and ecosystem carbon stocks at three sites along the shoreline of Semujur Island, Bangka Belitung, Indonesia, identifying eight seagrass species with diversity indices ranging from 1.48 to 1.72. Carbon stock estimates reached up to 75.11 MgC/ha at sites dominated by Halodule uninervis, with moderate positive correlations found between seagrass density, coverage, and carbon storage.
Trends in Seagrass Research and Conservation in Malaysian Waters
This review summarizes seagrass research and conservation efforts in Malaysian waters, covering the ecology, threats, and monitoring of these coastal ecosystems. Seagrass meadows are sensitive to plastic debris and runoff, and their health is an indicator of the broader condition of coastal marine environments.
Influence of seagrass meadows on nursery and fish provisioning ecosystem services delivered by Ria Formosa, a coastal lagoon in Portugal
Researchers evaluated fish provisioning and nursery ecosystem services across the Ria Formosa lagoon in Portugal, finding that seagrass meadows supported nearly twice the fish density and three times the biomass compared to unvegetated habitats for commercially important species.
Microplastic characterization and factors influencing its abundance in coastal wetlands: insights from the world’s largest mangrove ecosystem, Sundarbans
Researchers surveyed microplastic pollution in the Sundarbans, the world's largest mangrove ecosystem, examining both water and sediment samples from 20 sites. They found microplastics at every location, with polystyrene being the most abundant polymer and fragments the most common shape. The study identified proximity to port activity and organic carbon levels as key factors influencing microplastic distribution, underscoring the vulnerability of this critical ecosystem.
Macroinvertebrate assessment in seagrass ecosystem in Sinacaban Municipality, Misamis Occidental, Philippines
Researchers assessed macroinvertebrate communities in seagrass ecosystems in Sinacaban Municipality, Philippines, finding diversity patterns that reflect the ecological health of this economically and ecologically important tropical coastal habitat.
A critical synthesis of seagrass meadows as microplastic sinks: Current trends and research gaps
This systematic review of 84 studies finds that seagrass meadows act as natural traps for microplastics, accumulating higher concentrations in their sediments than surrounding areas. While this filtering role may protect open waters, it also means these important coastal ecosystems are bearing a disproportionate burden of plastic pollution.
Impacts of Marine Plastic Pollution on Seagrass Meadows and Ecosystem Services in Southeast Asia
Researchers assessed how marine plastic pollution affects seagrass meadows in Southeast Asia, a region where seagrass-derived ecosystem services are valued at over $100 billion annually. They found that plastics harm seagrass through spatial competition, chemical leaching, and reduced photosynthesis and growth. A risk assessment indicated that current microplastic concentrations already pose a high risk of decline to these critical marine habitats.
Seagrass beds acting as a trap of microplastics - Emerging hotspot in the coastal region?
Seagrass beds in coastal waters were found to trap and accumulate microplastics at higher concentrations than surrounding unvegetated sediments, acting as effective sinks for plastic particles due to their dense canopy structure. This positions seagrass meadows as emerging hotspots of microplastic contamination in coastal ecosystems.
Plastic Pollution as a Driver of Seagrass Ecosystem Degradation: a Systematic Review of Impacts and Mitigation Approaches
This systematic review examines how plastic pollution threatens seagrass ecosystems, which are vital for carbon storage, coastal protection, and marine biodiversity. Microplastics and larger debris smother seagrass beds, block light, and introduce harmful chemicals into sediments. Losing these habitats has cascading effects on fish populations and the communities that depend on healthy coastal waters.
A critical synthesis of seagrass meadows as microplastic sinks: Current trends and research gaps
This systematic review of 84 studies finds that seagrass meadows act as natural traps for microplastics, accumulating higher concentrations in their sediments than surrounding areas. While this filtering role may protect open waters, it raises concerns about the long-term health of these vital coastal ecosystems.
Distribution and Structure of China–ASEAN’s Intertidal Ecosystems: Insights from High-Precision, Satellite-Based Mapping
Researchers used multi-source satellite data to create high-precision maps of intertidal ecosystems across the China-ASEAN region, distinguishing between mangroves, salt marshes, and tidal flats. They developed an improved classification framework to address inconsistencies in previous mapping efforts. The study provides a valuable baseline for monitoring how climate change and human activities are affecting these ecologically important coastal zones.
Distribution of microplastics in the catchment region of Pallikaranai marshland, a Ramsar site in Chennai, India
Researchers analyzed microplastic distribution in surface water and sediments of the Pallikaranai marshland, a Ramsar-designated wetland in Chennai, India, finding significant contamination in this ecologically sensitive freshwater ecosystem that serves as an important urban biodiversity hotspot.
Accumulation of microplastics in relation to the sediment grain size distribution in seagrass meadows in the coastal areas of Tuticorin, southeast coast of India
Researchers investigated the relationship between microplastic accumulation and sediment texture in seagrass meadows along the southeast coast of India. They found that seagrass sediments contained significantly higher microplastic concentrations than unvegetated areas, with polyethylene being the most common polymer detected. The findings suggest that seagrass meadows act as traps for microplastic pollutants, with sediment grain size influencing accumulation patterns.
Aquatic Plant Diversity of Lakes in Somwarapete Taluk, Kodagu, Karnataka
Researchers documented 43 aquatic plant species across three lakes in Kodagu district, Karnataka, India over a one-year study period. Dominant families included Araceae and Hydrocharitaceae. This biodiversity survey provides a baseline for monitoring how pollution and land use changes affect freshwater ecosystems in this region.
Influence of Water Depth on the Morphology Structure of Seagrass from the Southern of Peninsular Malaysia
This study is not about microplastics; it examines how water depth affects the leaf and root morphology of two seagrass species in Malaysia, finding that nutrient availability and proximity to the mainland influenced plant growth more than depth alone.
Seagrass under siege: Investigating microplastic effects on seagrass ecosystems
Researchers reviewed the effects of microplastics on seagrass meadows, which are ecologically critical habitats that also trap and accumulate particulate matter. Evidence suggests microplastics can impair seagrass growth, root function, and associated fauna in these vulnerable ecosystems.
Avifaunal diversity and conservation significance of coastal ecosystems on Rameswaram Island, Tamil Nadu, India
Researchers documented avifaunal diversity across three coastal ecosystems on Rameswaram Island, Tamil Nadu, including a lagoon, a mangrove lagoon, and a beach site, establishing baseline species inventories for conservation management. The study highlights the ecological significance of these coastal habitats, which face pressure from heritage tourism and infrastructure development.
The role of seagrass meadows in the coastal trapping of litter
Researchers studied how seagrass meadows trap and accumulate non-floating marine litter, including microplastics, across six Posidonia oceanica meadows. The study found that litter accumulated mainly at the landside edge of the meadow, with macro-litter concentrations increasing threefold after heavy rainfall, suggesting seagrass plays an important role in coastal litter dynamics.
Ecohydrological features and biodiversity status of estuaries in Bengal delta, Bangladesh: A comprehensive review
This comprehensive review aggregated 35 years of data on the ecology and biodiversity of estuaries in the Bangladesh Bengal delta, covering physicochemical parameters, flora, and fauna. The authors identified significant data gaps and compiled scattered literature to support sustainable management of these highly productive but threatened coastal ecosystems.
An overview of the occurrence and distribution of microplastics in multi-environmental components of Bangladesh
Researchers compiled and analyzed studies on microplastic pollution across multiple environments in Bangladesh, including water, soil, air, and food. They found that microplastic contamination is widespread throughout the country but that significant knowledge gaps remain, particularly regarding long-term health and environmental impacts. The study calls for standardized monitoring methods and stronger policies to address plastic pollution in one of the world's most densely populated nations.
Linking Wetland Ecosystem Services to Fish Genetic Resources with Special Reference to Hilsa Shad (Tenualosa ilisha): A Novel Study from Northeastern Bangladesh
Researchers reviewed the wetland ecosystem services of northeastern Bangladesh in relation to fish genetic resources, with a focus on Hilsa shad (Tenualosa ilisha), documenting the ecological and socioeconomic importance of wetland habitats for this commercially critical species. The study identifies gaps in research on coastal hilsa populations and calls for integrated wetland-fisheries conservation strategies.