Enrichment and Bioavailability of Phosphate in a Highly Urbanized Zone of Cochin Estuary, South India

References

• Anderson, L. D., M. L. Delaney, and K. L. Faul. 2001. Carbon to phosphorus ratios in sediments: Implications for nutrient cycling. Global Biogeochem. Cycles 15 (1):65–79. doi:10.1029/2000GB001270.
   Web of Science ®Google Scholar
• Andrieux, F., and A. Aminot. 1997. A two-year survey of phosphorus speciation in the sediments of the Bay of Seine (France). Cont. Shelf Res. 17 (10):1229–45. doi:10.1016/S0278-4343(97)00008-3.
   Web of Science ®Google Scholar
• Andrieux-Loyer, F., and A. Aminot. 2001. Phosphorus forms related to sediment grain size and geochemical characteristics in French coastal areas. Estuarine Coastal Shelf Sci. 52 (5):617–29. doi:10.1006/ecss.2001.0766.
   Web of Science ®Google Scholar
• Aydin, I., F. Aydin, A. Saydut, and C. Hamamci. 2009. A sequential extraction to determine the distribution of phosphorus in the seawater and marine surface sediment. J. Hazard Mater 168 (2–3):664–69. doi:10.1016/j.jhazmat.2009.02.095.
   PubMed Web of Science ®Google Scholar
• Aydin, I., Z. Temel, B. Gunduzc, and F. Aydin. 2018. Comparative determination of phosphorus fractions in coastal surface sediment (NE Mediterranean Sea) by ICP-OES and UV/VIS spectrometry. At. Spectrosc. 39 (5):193–97. doi:10.46770/AS.2018.05.003.
   Web of Science ®Google Scholar
• Barik, S. K., S. Bramha, T. K. Bastia, D. Behera, P. K. Mohanty, and P. Rath. 2019. Distribution of geochemical fractions of phosphorus and its ecological risk in sediment cores of a largest brackish water lake, South Asia. Int. J. Sediment Res. 34 (3):251–61. doi:10.1016/j.ijsrc.2018.11.004.
   Web of Science ®Google Scholar
• Bastami, K. D., M. R. Neyestani, H. Raeisi, E. Shafeian, M. Baniamam, A. Shirzadi, M. Esmaeilzadeh, S. Mozaffari, and B. Shahrokhi. 2018. Bioavailability and geochemical speciation of phosphorus in surface sediments of the Southern Caspian Sea. Mar. Pollut. Bull. 126:51–57. doi:10.1016/j.marpolbul.2017.10.095.
   PubMed Web of Science ®Google Scholar
• Benitez-Nelson, C. R. 2000. The biogeochemical cycling of phosphorus in marine systems. Earth Sci. 51 (1–4):109–35. doi:10.1016/S0012-8252(00)00018-0.
   Google Scholar
• Berner, R. A., and J. L. Rao. 1994. Phosphorus in sediments of the Amazon River and estuary: Implications for the global flux of phosphorus to the sea. Geochim. Cosmochim. Acta. 58 (10):2333–39. doi:10.1016/0016-7037(94)90014-0.
   Web of Science ®Google Scholar
• Binish, M. B., N. S. Magesh, S. Sruthy, V. M. Kannan, and M. Mohan. 2023. Occurrence and risk assessment of total mercury, methylmercury and other selected trace metals in the surface sediments of the Cochin Estuary, Southwest Coast of India. Reg. Stud. Mar. Sci. 62:102924. doi:10.1016/j.rsma.2023.102924.
   Web of Science ®Google Scholar
• Caraco, N., J. J. Cole, and G. E. Likens. 1990. A comparison of phosphorus immobilization in sediments of freshwater and coastal marine systems. Biogeochemistry 9 (3):277–90. doi:10.1007/BF00000602.
   Web of Science ®Google Scholar
• Chen, Y., R. Liu, C. Sun, P. Zhang, C. Feng, and Z. Shen. 2012. Spatial and temporal variations in nitrogen and phosphorous nutrients in the Yangtze River Estuary. Mar. Pollut. Bull. 64 (10):2083–89. doi:10.1016/j.marpolbul.2012.07.020.
   PubMed Web of Science ®Google Scholar
• Chen, X. H., L. Q. Li, M. Y. Zhang, W. J. Zhang, D. S. Wang, and S. J. Wang. 2022. Pollution characteristics and risk assessment of nutrients and heavy metals in sediments of the Fuhe river influenced area, Baiyangdian Lake. Environ. Sci. 43:9.
   Google Scholar
• Chen, T., and K. Yu. 2011. P/Ca in coral skeleton as a geochemical proxy for seawater phosphorus variation in Daya Bay, northern south China Sea. Mar. Pollut. Bull. 62 (10):2114–21. doi:10.1016/j.marpolbul.2011.07.014.
   PubMed Web of Science ®Google Scholar
• Coelho, J. P., R. R. Flindt, H. S. Jenson, A. I. Lillebo, and M. A. Pardal. 2004. Phosphorous speciation and availability in intertidal sediment of a temperate estuary: Relation to eutrophication and annual P-fluxes. Estuarine Coastal Shelf Sci. 61 (4):583–90. doi:10.1016/j.ecss.2004.07.001.
   Web of Science ®Google Scholar
• Craca, B., and J. Bolalek. 1998. Forms of phosphorus in sediments from the Gulf of Gdańsk. Appl. Geochem. 13 (3):319–27. doi:10.1016/S0883-2927(97)00101-7.
   Web of Science ®Google Scholar
• Dan, S. F., S. M. Liu, and B. Yang. 2020. Geochemical fractionation, potential bioavailability and ecological risk of phosphorus in surface sediments of the Cross River estuary system and adjacent shelf, south East Nigeria (West Africa). J. Mar. Syst. 201:103244. doi:10.1016/j.jmarsys.2019.103244.
   Web of Science ®Google Scholar
• Dar, S. A., A. Hamid, I. Rashid, and S. U. Bhat. 2022. Identification of anthropogenic contribution to wetland degradation: Insights from the environmetric techniques. Stoch. Environ. Res. Risk. Assess. 36 (5):1397–411. doi:10.1007/s00477-021-02121-x.
   Web of Science ®Google Scholar
• Davidson, K., R. J. Gowen, P. J. Harrison, L. E. Fleming, P. Hoagland, and G. Moschonas. 2014. Anthropogenic nutrients and harmful algae in coastal waters. J. Environ. Manage. 146:206–16. doi:10.1016/j.jenvman.2014.07.002.
   PubMed Web of Science ®Google Scholar
• Fang, T. H., J. L. Chen, and C. A. Huh. 2007. Sedimentary phosphorus species and sedimentation flux in the East China Sea. Cont. Shelf Res. 27 (10–11):1465–76. doi:10.1016/j.csr.2007.01.011.
   Web of Science ®Google Scholar
• Faul, K. L., A. Paytan, and M. L. Delaney. 2005. Phosphorus distribution in sinking oceanic particulate matter. Mar. Chem. 97 (3–4):307–33. doi:10.1016/j.marchem.2005.04.002.
   Web of Science ®Google Scholar
• Filippelli, G. M., and M. L. Delaney. 1996. Phosphorus geochemistry of equatorial Pacific sediments. Geochim. Cosmochim. Acta. 60 (9):1479–95. doi:10.1016/0016-7037(96)00042-7.
   Web of Science ®Google Scholar
• Folk, R. L. 1974. Petrology of sedimentary rocks, 184. US: Hemphill Publishing Co.
   Google Scholar
• Frankowski, L., J. Bolałek, and A. Szostek. 2002. Phosphorus in bottom sediments of Pomeranian Bay (Southern Baltic – Poland). Estuarine Coastal Shelf Sci. 54 (6):1027–38. doi:10.1006/ecss.2001.0874.
   Web of Science ®Google Scholar
• Gachter, R., and B. Muller. 2003. Why the phosphorus retention of lakes does not necessarily depend on the oxygen supply to the sediment surface. Limnol. Oceanogr. 48 (2):929–33. doi:10.4319/lo.2003.48.2.0929.
   Web of Science ®Google Scholar
• Gardolinski, P. C. F. C., P. J. Worsfold, and I. D. McKelvie. 2004. Seawater induced release and transformation of organic and inorganic phosphorus form river sediments. Water Res. 38 (3):688–92. doi:10.1016/j.watres.2003.10.048.
   PubMed Web of Science ®Google Scholar
• Gayathri, O. S., J. Meenakshi, P. Resmi, A. S. Ragi, V. B. Rakesh, P. M. Salas, and R. K. Ratheesh. 2021. Geochemical distribution and dynamics of sedimentary phosphorus fractions in Vembanad wetland ecosystem. Reg. Stud. Mar. Sci. 44:101717. doi:10.1016/j.rsma.2021.101717.
   Web of Science ®Google Scholar
• George, R. 2019. Biogeochemical Cycling of Phosphorus in the Cochin Backwaters: Southwest Coast of India Ecosystem modeling of Kochi backwaters View project Trace metal dynamics in the Northern Indian Ocean View project Biogeochemical Cycling of Phosphorus in the Cochin Backwaters: Southwest Coast of India. https://www.researchgate.net/publication/337337270.
   Google Scholar
• Gireeshkumar, T. R., P. M. Deepulal, and N. Chandramohanakumar. 2013. Phosphorous speciation in surface sediments of the Cochin estuary. Environ. Monit. Assess. 185 (3):2535–52. doi:10.1007/s10661-012-2729-3.
   PubMed Web of Science ®Google Scholar
• Golterman, H. L. 1996. Fractionation of sediment phosphate with chelating compounds: A simplification, and comparison with other methods. Hydrobiologia 335 (1):87–95. doi:10.1007/BF00013687.
   Web of Science ®Google Scholar
• Gopalan, U. K., D. T. Vengayil, V. P. Udaya Varma, and M. Krishnankutty. 1983. The shrinking backwaters of Kerala. J. Mar. Biol. Assoc. India 25:131–41.
   Google Scholar
• Grasshoff, K., M. Ehrhardt, and K. Kremling. 1999. Methods of Seawater Analysis. Verlag Chemie, Weinheim. In the surficial sediments of a tropical estuary, southwest coast of India. In Manual of Sedimentary Petrography, eds. W. C. Krumbein and F. J. Petti John 1938, 349. US: Appleton Century Crofts.
   Google Scholar
• Guodong, S., and S. Liu. 2015. Phosphorus speciation and distribution in surface sediments of the Yellow Sea and East China Sea and potential impacts on ecosystem. Acta Oceanol. Sin 34 (4):84–91. doi:10.1007/s13131-015-0653-4.
   Web of Science ®Google Scholar
• He, H., H. Chen, Q. Yao, Y. Qin, T. Mi, and Z. Yu. 2009. Behavior of different phosphorus species in suspended particulate matter in the Changjiang estuary. Chin. J. Ocean. Limnol. 27 (4):859–68. doi:10.1007/s00343-009-9021-6.
   Web of Science ®Google Scholar
• Hou, L. J., M. Liu, Y. Yang, D. N. Ou, X. Lin, H. Chen, and S. Y. Xu. 2009. Phosphorus speciation and availability in intertidal sediments of the Yangtze Estuary, China. Appl. Geochem. 24 (1):120. doi:10.1016/j.apgeochem.2008.11.008.
   Web of Science ®Google Scholar
• Javaid, M., A. Shafi, A. Hamid, A. Jehangir, and A. R. Yousuf. 2023. Dynamics of the wetland ecosystem health in urban and rural settings in high altitude ecoregion. Sci. Total Environ 904:166566, ISSN 0048–9697. doi:10.1016/j.scitotenv.2023.166566.
   Web of Science ®Google Scholar
• Jayaprakash, A. A. 2002. Long term trends in rainfall, sea level and solar periodicity: A case study for forecast of Malabar sole and Oil sardine fishery. J. Mar. Biol. Assoc. India 44:163–75.
   Google Scholar
• Joseph, P., S. Bijoy Nandan, K. J. Adarsh, R. Varghese, S. Sreelekshmi, C. M. Preethy, P. R. Jayachandran, and K. J. Joseph. 2019. Heavy metal contamination in representative surface sediments of mangrove habitats of Cochin, Southern India. Environ. Earth. Sci. 578 (15):490. doi:10.1007/s12665-019-8499-2.
   Google Scholar
• Joseph, M. M., C. R. Kumar, K. R. Renjith, T. G. Kumar, and N. Chandramohanakumar. 2011. Phosphorus fractions in the surface sediments of three mangrove systems of southwest coast of India. Environ. Earth Sci. 62 (6):1209–18. doi:10.1007/s12665-010-0609-0.
   Web of Science ®Google Scholar
• Kang, X., J. Song, H. Yuan, X. Shi, W. Yang, X. Li, N. Li, and L. Duan. 2017. Phosphorus speciation and its bioavailability in sediments of the Jiaozhou Bay. Estuarine Coastal Shelf Sci. 188:127–36. doi:10.1016/j.ecss.2017.02.029.
   Web of Science ®Google Scholar
• Karuppasamy, P. K., and P. Perumal. 2000. Biodiversity of zooplankton at Pichavaram mangroves, South India. Adv. Biosci. Biotechnol. 19:23–32.
   Google Scholar
• Ke, S., P. Zhang, S. Ou, J. Zhang, J. Chen, and J. Zhang. 2022. Spatiotemporal nutrient patterns, composition, and implications for eutrophication mitigation in the Pearl River Estuary, China. Estuarine Coastal Shelf Sci. 266:107749. doi:10.1016/j.ecss.2022.107749.
   Web of Science ®Google Scholar
• Kjeldahl, J. 1883. A new method for the determination of nitrogen in organic matter. Z. Anorg. Allg.chem 22:366–82.
   Google Scholar
• Koch, M., R. Benz, and D. Rudnick. 2001. Solid-phase phosphorus pools in highly organic carbonate sediments of north eastern Florida Bay. Estuarine Coastal Shelf Sci. 52 (2):279–91. doi:10.1006/ecss.2000.0751.
   Web of Science ®Google Scholar
• Kor, K., H. Ershadifar, A. Ghazilou, and E. Koochaknejad. 2021. Seasonal variations, potential bioavailability, and ecological risk of phosphorus species in the coastal sediments of the Makran. Mar. Pollut. Bull. 173 (Part B):113125. doi:10.1016/j.marpolbul.2021.113125.
   PubMedGoogle Scholar
• Koski-Vahala, J., H. Hartikainen, and P. Tallberg. 2001. Phosphorus mobilization from various sediment pools in response to increased pH and silicate concentration. J. Env. Qual. 30 (2):546–52. doi:10.2134/jeq2001.302546x.
   PubMed Web of Science ®Google Scholar
• Kraal, P., C. P. Slomp, D. C. Reed, G. J. Reichart, and S. W. Poulton. 2012. Sedimentary phosphorus and iron cycling in and below the oxygen minimum zone of the northern Arabian Sea. Biogeosciences 9 (7):2603–24. doi:10.5194/bg-9-2603-2012.
   Web of Science ®Google Scholar
• Krumbein, W. C., and F. J. Petti John. 1938. Manual of sedimentary petrography. US: Appleton Century Crofts.
   Google Scholar
• Kumar, B., and A. Anshumali. 2019. Phosphorus fractionation in surface water and sediments of industrially polluted freshwater reservoir, India. Chem. Ecol. 35 (3):219–34. doi:10.1080/02757540.2018.1554058.
   Web of Science ®Google Scholar
• Liang, X., X. Sun, T. Huang, H. Huang, and H. Zhang. 2018. Spatial distribution Characteristics of total nitrogen, total phosphorus and organic matter in surface sediments of Duliujianhe River. J. Mater Eng 392 (4):042044.
   Google Scholar
• Lilik, M., W. Anindya, Y. Muh, S. Resy, S. Ummu, and Z. Muhammad. 2021. Phosphorous fractionation distribution in surface sediments of the Jobokuto Bay. Molekul 16 (2):100–09. doi:10.20884/1.jm.2021.16.2.572.
   Google Scholar
• Liu, M., L. J. Hou, S. Y. Xu, D. N. Ou, B. L. Zhang, and Q. M. Liu. 2002. The characteristics of phosphate adsorption on tidal surface sediments of the Yangtze Estuary. Acta. Geogr. Sin. 57:397–406.
   Google Scholar
• Marie, S. J., D. D. Jean-Marie, and N. G. Bertrand. 2014. Speciation of phosphorus in the sediments of Lake Bini (ngaoundere-cameroon). Environ. Technol. 35 (14):1831–39. doi:10.1080/09593330.2014.884171.
   PubMed Web of Science ®Google Scholar
• Marz, C., S. W. Poulton, T. Wagner, B. Schnetger, and H. J. Brumsack. 2014. Phosphorus burial and diagenesis in the central Bering Sea (Bowers Ridge, IODP site U1341): Perspectives on the marine P cycle. Chem. Geol. 363:270–72. doi:10.1016/j.chemgeo.2013.11.004.
   Web of Science ®Google Scholar
• Meng, J., Z. Yu, Q. Yao, T. S. Bianchi, A. Paytan, B. Zhao, H. Pan, and P. Yao. 2015. Distribution, mixing behavior, and transformation of dissolved inorganic phosphorus and suspended particulate phosphorus along a salinity gradient in the Changjiang Estuary. Mar. Chem. 168 (168):124–34. doi:10.1016/j.marchem.2014.09.016.
   Google Scholar
• Menon, N. N., A. N. Balchand, and N. R. Menon. 2000. Hydrobiology of the Cochin backwater system a review. Hydrobiologia 430 (1/3):149–83. doi:10.1023/A:1004033400255.
   Web of Science ®Google Scholar
• Meyers, P., and E. Lallier-Vergés. 1999. Lacustrine sedimentary organic matter records of Late Quaternary paleoclimates. J. Paleolimnol. 21 (3):345–72. doi:10.1023/A:1008073732192.
   Web of Science ®Google Scholar
• Mullungal, M. N., S. Thalayappil, S. Peediyakkathodi, P. M. Salas, C. H. Sujatha, and C. S. R. Kumar. 2022. Vertical distribution of phosphorus fractions and bioavailability of the nutrient in the Southern Indian Ocean. Int. J. Environ. Res. 16 (5):77. doi:10.1007/s41742-022-00448-z.
   Web of Science ®Google Scholar
• Olsson, F., E. B. Mackay, P. Barker, S. Davies, R. Hall, B. Spears, G. Exley, S. J. Thackeray, and D. J. Ian. 2022. Can reductions in water residence time be used to disrupt seasonal stratification and control internal loading in a eutrophic monomictic lake? J. Environ. Manage. 304:114169–797. doi:10.1016/j.jenvman.2021.114169.
   PubMed Web of Science ®Google Scholar
• Palastanga, V., C. P. Slomp, and C. Heinze. 2011. Long-term controls on ocean phosphorus and oxygen in a global biogeochemical model. Global Biogeochem. Cycles 25 (3):GB3024. doi:10.1029/2010GB003827.
   Google Scholar
• Penn, M. R., M. T. Auer, E. L. Van Orman, and J. J. Korienek. 1995. Phosphorus diagenesis in lake sediments: Investigations using fractionation techniques. Mar. Freshw. Res. 46 (1):89–99. doi:10.1071/MF9950089.
   Web of Science ®Google Scholar
• Pettersson, K. 2001. Phosphorus characteristics of settling and suspended particles in Lake Erken. Sci. Total Environ 266 (1–3):79–86. doi:10.1016/S0048-9697(00)00737-3.
   PubMed Web of Science ®Google Scholar
• Qasim, S. Z. 2003. Indian Estuaries, 420. US: Allied Publishers.
   Google Scholar
• Radhika, R., C. S. Ratheesh Kumar, P. M. Salas, C. H. Sujatha, and N. Chandramohanankumar. 2018. A seasonal evaluation of dynamics of an aquatic ecosystem, Kochi, Kerala, India. Int. J. Adv. Sci. Res 3:290–307.
   Google Scholar
• Rajasegar, M. 2003. Physico-chemical characteristics of the Vellar estuary in relation to shrimp farming. J. Environ. Biol. 24 (1):95–101.
   PubMed Web of Science ®Google Scholar
• Ramanathan, A. L., G. Singh, J. Majumdar, A. C. Samal, R. Chauhan, R. K. Ranjan, K. Rajkumar, and S. C. Santra. 2008. A study of microbial diversity and its interaction with nutrients in the sediments of Sundarban mangroves. Indian J. Mar. Sci. 37:159–65.
   Web of Science ®Google Scholar
• Rani, V., P. T. Schwing, P. R. Jayachandran, C. M. Preethy, S. Sreelekshmi, P. Joseph, and S. Bijoy Nandan. 2023. Carbon stocks and sequestration rate in mangroves and its major influencing factors from highly urbanised port city, southern India. J. Environ. Manage. 335:117542. doi:10.1016/j.jenvman.2023.117542.
   Web of Science ®Google Scholar
• Ranjan, R. K., A. Ramanathan, R. Chauhan, and G. Singh. 2011. Phosphorus fractionation in sediments of the pichavaram mangrove ecosystem, south-eastern coast of India. Environ. Earth Sci. 62 (8):1779–87. doi:10.1007/s12665-010-0659-3.
   Web of Science ®Google Scholar
• Renjith, K. R., N. Chandramohanakumar, and M. M. Joseph. 2011. Fractionation and bioavailability of phosphorus in a tropical estuary, Southwest India. Environ. Monit. Assess. 174 (1–4):299–312. doi:10.1007/s10661-010-1458-8.
   PubMed Web of Science ®Google Scholar
• Renjith, K. R., M. M. Joseph, P. Ghosh, K. H. Rahman, C. S. Kumar, and N. Chandramohanakumar. 2013. Biogeochemical facsimile of the organic matter quality and trophic status of a micro-tidal tropical estuary. Environ. Earth Sci. 70 (2):729–42. doi:10.1007/s12665-012-2159-0.
   Web of Science ®Google Scholar
• Renjith, K. R., J. M. Mary, C. R. Kumar, M. N. Manju, and N. Chandramohanakumar. 2016. Nutrient distribution and bioavailability in a tropical microtidal estuary, Southwest India. J. Coast. Res. 322 (6):1445–55. doi:10.2112/JCOASTRES-D-15-00018.1.
   Google Scholar
• Roden, E. E., and J. W. Edmonds. 1997. Phosphate mobilization in iron-rich anaerobic sediments: Microbial Fe (III) oxide reduction versus iron-sulfide formation. archiv_hydrobiologie 139 (3):347–78. doi:10.1127/archiv-hydrobiol/139/1997/347.
   Google Scholar
• Ruban, V., J. F. Lopez-Sanchez, P. Pardo, G. Rauret, H. Muntau, and P. Quevauviller. 2001. Harmonized protocol and certified reference material for the determination of extractable contents of phosphorus in freshwater sediments – a synthesis of recent works. Fresenius J. Anal. Chem. 370 (2–3):224–28. doi:10.1007/s002160100753.
   PubMedGoogle Scholar
• Ruttenberg, K. C. 1992. Development of a sequential extraction method for different forms of phosphorus in marine sediments. Limnol. Oceanogr. 37 (7):1460–82. doi:10.4319/lo.1992.37.7.1460.
   Web of Science ®Google Scholar
• Ruttenberg, K. C., and R. A. Berner. 1993. Authigenic apatite formation and burial in sediments from non-upwelling, continental margin environments. Geochim. Cosmochim. Acta. 57 (5):991–1007. doi:10.1016/0016-7037(93)90035-U.
   Web of Science ®Google Scholar
• Ruttenberg, K. C., and M. A. Goni. 1997. Phosphorus distribution, C: N: P ratios, and δ 13Coc in arctic, temperature, and tropical coastal sediments: Tools for characterizing bulk sedimentary organic matter. Mar. Geol. 139 (1–4):123–45. doi:10.1016/S0025-3227(96)00107-7.
   Web of Science ®Google Scholar
• Rydin, E. 2000. Potentially mobile phosphorus in lake Erken sediment. Water Res. 34 (7):2037. doi:10.1016/S0043-1354(99)00375-9.
   Web of Science ®Google Scholar
• Salas, P. M., C. H. Sujatha, C. S. Ratheesh Kumar, and V. T. Dayala. 2019. Fate and transport processes of phosphorus fractions in selected surface sediments of Cochin Estuary, Southwest Coast of India. Environ. Forensics 20 (3):234–50. doi:10.1080/15275922.2019.1627614.
   Web of Science ®Google Scholar
• Samadi-Maybodi, A., H. Taheri Saffar, S. Khodadoust, H. Nasrollahzadeh Saravi, and S. Najafpour. 2013. Study on different forms and phosphorus distribution in the coastal surface sediments of Southern Caspian Sea by using UV–V is spectrophotometery. Spectrochim. Acta A Mol. Biomol. Spectrosc. 113:67–71. doi:10.1016/j.saa.2013.04.071.
   PubMed Web of Science ®Google Scholar
• Satheeshkumar, P., U. Manjusha, and N. G. K. Pillai. 2011. Conservation of mangrove forest covers in Kochi coast. Curr. Sci. 101 (10):1400–1400.
   Google Scholar
• Silva, C. A. R., and L. S. Sampaio. 1998. Speciation of phosphorus in a tidal floodplain forest in the Amazon estuary. Mangroves Salt Marshes 2 (1):51–57. doi:10.1023/A:1009950208582.
   Google Scholar
• Sonzogni, W. C., S. C. Chapra, D. E. Armstrong, and T. J. Logan. 1982. Bioavailability of phosphorus inputs to lakes. J. Environ. Qual. 11 (4):555–63. doi:10.2134/jeq1982.00472425001100040001x.
   Web of Science ®Google Scholar
• Souza, G. K., K. N. Kuroshima, J. G. N. Abreu, and G. C. Manzoni. 2022. Speciation and distribution of sedimentary phosphorus in an important mariculture area, Armação do Itapocoroy Bay, Southern Brazil. Reg. Stud. Mar. Sci. 49:102137. doi:10.1016/j.rsma.2021.102137.
   Web of Science ®Google Scholar
• Sumei, L., Z. Jing, and L. Daoji. 2004. Phosphorus cycling in sediments of the Bohai and Yellow Seas. Estuarine Coastal Shelf Sci. 59 (2):209–18. doi:10.1016/j.ecss.2003.08.009.
   Web of Science ®Google Scholar
• Tsandev, I., D. C. Reed, and C. P. Slomp. 2012. Phosphorus diagenesis in deep-sea sediments: Sensitivity to water column conditions and global scale implications. Chem. Geol. 330-331:127–39. doi:10.1016/j.chemgeo.2012.08.012.
   Web of Science ®Google Scholar
• Tyson, R. V. 1995. Sedimentary organic matter. US: Chapman and Hall.
   Google Scholar
• Vicente, M. A. F., G. V. de Melo, J. A. B. Neto, and A. S. de Oliveira. 2016. Phosphorus fractionation distribution in Guapimirim estuary: SE Brazil. Springerplus. 5 (1). doi:10.1186/s40064-016-3065-9.
   PubMedGoogle Scholar
• Wang, L., M. Ye, Q. Li, H. Zou, and Y. Zhou. 2013. Phosphorus speciation in wetland sediments of Zhujiang (Pearl) River Estuary, China. Chin. Geogr. Sci. 23 (5):574–83. doi:10.1007/s11769-013-0627-4.
   Web of Science ®Google Scholar
• Wu, M., S. Huang, W. Wen, X. Sun, X. Tang, and M. Scholz. 2011. Nutrient distribution within and release from the contaminated sediment of Haihe River. J. Environ. Sci. 23 (7):1086–94. doi:10.1016/S1001-0742(10)60491-3.
   Google Scholar
• Xiang, S. L., and W. B. Zhou. 2011. Phosphorus forms and distribution in the sediments of Poyang Lake, China. Int. J. Sediment Res. 26 (2):230–38. doi:10.1016/S1001-6279(11)60089-9.
   Web of Science ®Google Scholar
• Yang, B., S. M. Liu, Y. Wu, and J. Zhang. 2016. Phosphorus speciation and availability in sediments off the eastern coast of Hainan Island, South China Sea. Cont. Shelf Res. 118:111–27. doi:10.1016/j.csr.2016.03.003.
   Web of Science ®Google Scholar
• Yuan, H., S. An, E. Liu, W. Pan, and Z. Zhu. 2015. Fractionation and bioavailability of phosphorus in sediments of Huaihe River, China. J. Soil Water Conserv. 70 (5):313–21. doi:10.2489/jswc.70.5.313.
   Web of Science ®Google Scholar
• Zhang, J. Z., L. Guo, and C. J. Fischer. 2010. Abundance and chemical speciation of phosphorus in sediments of the Mackenzie River Delta, the Chukchi Sea and the Bering Sea: Importance of detrital apatite. Aquat. Geochem. 16 (3):353–71. doi:10.1007/s10498-009-9081-4.
   Web of Science ®Google Scholar
• Zhou, F. X., X. L. Gao, H. M. Yuan, J. M. Song, C. T. A. Chen, H. K. Lui, and Y. Zhang. 2016. Geochemical forms and seasonal variations of phosphorus in surface sediments of the East China Sea shelf. J. Mar. Syst. 159:41–54. doi:10.1016/j.jmarsys.2016.03.005.
   Web of Science ®Google Scholar
• Zhou, K. S., Y. Meng, C. Z. Liu, and X. Q. Hong. 2005. Characteristics of aggradation and granularity for the north branch of Changjiang River estuary and its environmental implication. Mar. Geo. Lett 21 (11):1–7.
   Google Scholar
• Zhou, L., X. Wang, X. Zhang, Y. Zhao, P. Zhu, X. Zhao, and X. Li. 2020. Spatiotemporal variations in nitrogen and phosphorus in a large man-made lake and their relationships with human activities. Water 12 (4):1106. doi:10.3390/w12041106.
   Web of Science ®Google Scholar
• Zhuang, L., L. Wang, K. Yin, Y. Lu, Y. Yang, and X. Huang. 2014. Spatial and seasonal variations of nutrients in sediment profile sand their sediment-water fluxes in the Pearl River Estuary, Southern China. J. Earth Sci. 25 (1):197–206. doi:10.1007/s12583-014-0413-y.
   Web of Science ®Google Scholar