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| Autores principales: | , , , , |
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| Formato: | Artículo científico |
| Lenguaje: | en |
| Publicado: |
Environmental science and pollution research international
2025
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| Materias: | |
| Acceso en línea: | https://pubmed.ncbi.nlm.nih.gov/39794630/ |
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| _version_ | 1868266258130010112 |
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| author | Vishnudattan, Naduvilakkandy Hershey, Neduvelil Regina Bijoy Nandan, Sivasankaran Aravind, Edayath Haridas Babu, Damodaran Sarojam Suresh |
| author_facet | Vishnudattan, Naduvilakkandy Hershey, Neduvelil Regina Bijoy Nandan, Sivasankaran Aravind, Edayath Haridas Babu, Damodaran Sarojam Suresh Vishnudattan, Naduvilakkandy Hershey, Neduvelil Regina Bijoy Nandan, Sivasankaran Aravind, Edayath Haridas Babu, Damodaran Sarojam Suresh |
| collection | PubMed - marine biology |
| contents | Seasonal observations on the influence of groundwater discharge on meiofaunal assemblages in subterranean estuaries of southwest India. Vishnudattan, Naduvilakkandy Hershey, Neduvelil Regina Bijoy Nandan, Sivasankaran Aravind, Edayath Haridas Babu, Damodaran Sarojam Suresh India Groundwater Estuaries Seasons Environmental Monitoring Salinity The submarine groundwater discharge (SGD) into the sea is known to alter various biotic and abiotic properties of coastal waters. However, its influence on the lower trophic levels, namely, meiofauna, is poorly understood. This study highlights the impact of SGD on the density, distribution, and diversity of intertidal meiofaunal communities along the subterranean estuaries (STEs) of the southwest coast of India (Arabian Sea). As an outcome of extensive field sampling between 2019 and 2022, we found that groundwater discharge has a direct influence on the local meiofaunal communities. Significant decline in meiofaunal density and diversity in the SGD impacted sites with 2 to 4 times lower densities than the unimpacted sites were documented. Lower groundwater salinity, lesser organic carbon content, hypoxic sediment conditions, and lower mean grain size in STEs can be the major driving factors determining the lower meiofaunal densities. δC and δN isotopic signatures indicated that major sources of organic carbon in STEs of the Kerala coast are from C3 plants. |
| format | Artículo científico |
| id | pubmed_39794630 |
| institution | PubMed |
| language | en |
| publishDate | 2025 |
| publisher | Environmental science and pollution research international |
| record_format | pubmed |
| spellingShingle | Seasonal observations on the influence of groundwater discharge on meiofaunal assemblages in subterranean estuaries of southwest India. Vishnudattan, Naduvilakkandy Hershey, Neduvelil Regina Bijoy Nandan, Sivasankaran Aravind, Edayath Haridas Babu, Damodaran Sarojam Suresh India Groundwater Estuaries Seasons Environmental Monitoring Salinity Seasonal observations on the influence of groundwater discharge on meiofaunal assemblages in subterranean estuaries of southwest India. Vishnudattan, Naduvilakkandy Hershey, Neduvelil Regina Bijoy Nandan, Sivasankaran Aravind, Edayath Haridas Babu, Damodaran Sarojam Suresh India Groundwater Estuaries Seasons Environmental Monitoring Salinity The submarine groundwater discharge (SGD) into the sea is known to alter various biotic and abiotic properties of coastal waters. However, its influence on the lower trophic levels, namely, meiofauna, is poorly understood. This study highlights the impact of SGD on the density, distribution, and diversity of intertidal meiofaunal communities along the subterranean estuaries (STEs) of the southwest coast of India (Arabian Sea). As an outcome of extensive field sampling between 2019 and 2022, we found that groundwater discharge has a direct influence on the local meiofaunal communities. Significant decline in meiofaunal density and diversity in the SGD impacted sites with 2 to 4 times lower densities than the unimpacted sites were documented. Lower groundwater salinity, lesser organic carbon content, hypoxic sediment conditions, and lower mean grain size in STEs can be the major driving factors determining the lower meiofaunal densities. δC and δN isotopic signatures indicated that major sources of organic carbon in STEs of the Kerala coast are from C3 plants. |
| title | Seasonal observations on the influence of groundwater discharge on meiofaunal assemblages in subterranean estuaries of southwest India. |
| topic | India Groundwater Estuaries Seasons Environmental Monitoring Salinity |
| url | https://pubmed.ncbi.nlm.nih.gov/39794630/ |