Intertidal mudflats

Table 13-1 includes many of the key naturally occurring molecular species of sulfur, subdivided by oxidation state and reservoir. The most reduced forms, S( — II), are seen to exist in all except the aerosol form, in spite of presence of free O2 in the atmosphere, ocean and surface waters. With the exception of H2S in oxygenated water, these species are oxidized very slowly by O2. The exception is due to the dissociation in water of H2S into H + HS . Since HS reacts quickly with O2, aerobic waters may contain, and be a source to the atmosphere of, RSH, RSR etc. but not of H2S itself. Anaerobic waters, as in swamps or intertidal mudflats, can contain H2S and can, therefore, be sources of H2S to the air. 

Sabkha Intertidal mudflats in which modern-day evaporites form. Most are located in the Middle East, the northwestern coast of Australia and lagoons along the coast of Texas. 

Mayer, L. M. 1989. Extracellular proteolytic enzyme activity in sediments of an intertidal mudflat. Limnology and Oceanography 34 973-981. 

Cua Lan Estuary, Thai Binh coast lines, Sediment, intertidal mudflat areas 1995/1996 1 5.8/4.9... 

Tra Co beach, Mong Cai, northern coast of Vietnam Marine sediment, intertidal mudflat areas 1997 1 (pooled) 10... 

Diem Dien Estuary, Thaibinh Clam (Mactra quadrangularis), intertidal mudflat coastal area 1996 13 (pooled as 1 sample) ... 

Hai Phong, northern coast of Vietnam Clam (Meretrix meretrix), intertidal mudflat 1997 1 pooled sample ... 

Many of the previous direct flux measurements have focused on two distinct ecosystems, intertidal mudflats and Spartina altemiflora salt marshes. These coastal systems have the potential for large emissions of volatile reduced sulfur gases due to the availability of sulfate and organic matter. Intertidal mudflats (3.4) have a tendency towards anoxia, with concomitant production of H S via sulfate reduction. . altemiflora marshes (4T5) release DMS through the... 

Guarini, J., Blanchard, G.F., Gros, P., Gouleau, D., and Bacher, C. (2000) Dynamic model of the short-term variability of microphytobenthic biomass on temperate intertidal mudflats. Mar. Ecol. Prog. Ser. 195, 291-303. 

Cook, P. L. M., ReviU, A. T., Clementson, L. A., and Volkman, J. K. (2004a). Benthic carbon and nitrogen cycling on intertidal mudflats of a temperate Australian estuary III. Sources of organic matter. Mar. Ecol. Prog. Ser. 280, 55-72. 

Fig. 1.5 Changes in sediment organic matter contents from high-intertidal mangrove forest to low-intertidal mudflats in the Bangrong mangrove forest, Phuket, Thailand. Upper panel particulate organic carbon (POC) and nitrogen (PON), mid panel total phosphorus content (TP) and lower panel molar ratios between POC and PON and POC and TP. Modified from Holmer etal. (2001).

Niquil N, Kerleguer G, Leguerrier D, Richard P, Legrand H, Dupuy C, Pascal PY, Bacher C. 2006. How would the loss of production due to an herbicide have repercussions in the food web of an intertidal mudflat Sensitivity analysis of an inverse model for Brouage mudflat, Marennes-Oleron Bay, France. Cahiers de Biologie Marine 47 63-71. 

Bottcher ME, Hespenheide B, Llobet-Brossa E, Beardsley C, Larsen O, Schramm A, Wieland A, Bottcher G, Beminger UG, Amarm R (2000) The biogeochentistiy,stable isotope geochentistiy, and nticrobial community stracture of a temperate intertidal mudflat an integrated study. Cont Shelf Res 20 1749-1769... 

Leach, J.H., 1970. Epibenthic algal production in an intertidal mudflat. Limnol. Oceanogr., 15 514—521. 

Ruiz-Femdndez AC, Frignani M, HiUaire-Marcel C, Ghaleb B, Arvizu MD, Raygoza-Viera JR, Pdez-Osuna F (2009) Trace metals (Cd, Cu, Hg and Pb) accumulation recorded in the intertidal mudflat sediments of three coastal lagoons of the Gulf of California, Mexico. Estuaries Coasts 32(3) 551-560... 

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