Calcium carbonate incrustation and phosphorus fractions in five charophyte species

Kufel, Lech; Biardzka, Elżbieta; Strzałek, Małgorzata

doi:10.1016/j.aquabot.2013.04.002

Cited by 51 publications

(43 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, no statistically significant differences were found between the apical portions (new tissue) and the basal portions (old tissue) of the same individual. Clearly, coprecipitation may have contributed to maintain low soluble P concentrations, always < 0.005 mg l -1 , in the water spring (Kufel et al, 2013). The clear negative influence exerted by C. hispida on microalgal densities can also be related to infochemical interactions (Hilt and Gross, 2008).…”

Section: Resultsmentioning

confidence: 99%

“…Their N uptake is very efficient, and they remove this nutrient from the water column (Rodrigo and Alonso-Guillén, 2008). Charophytes are also known to affect phosphorus cycling by direct uptake and by deposition of calcium carbonate in the form of encrustations on the tissues, accompanied by coprecipitation of inorganic P (Pelechaty et al, 2013;Puckaz et al, 2013;Kufel et al, 2013). Charophytes from this water spring also precipitated large amounts of calcium carbonate, with an annual mean of 30% (± 15% SD) of the DW for C. hispida and 21± 9% for N. hyalina.…”

Section: Resultsmentioning

confidence: 99%

“…The carbonate content of the charophyte incrustations was determined as the difference in dry weight before and after washing the charophytes with an HCl solution to remove the incrustations. This procedure was adapted from the method described in Kufel et al (2013). The results of this method did not significantly differ from those of the loss-of-ignition method (Heiri et al, 2001) (unpublished results).…”

Section: Charophyte Sampling and Analysesmentioning

confidence: 95%

See 2 more Smart Citations

The role of charophytes in a Mediterranean pond created for restoration purposes

et al. 2015

View full text Add to dashboard Cite

show abstract

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Charophyte Sampling and Analysesmentioning

confidence: 95%

See 1 more Smart Citation

The role of charophytes in a Mediterranean pond created for restoration purposes

et al. 2015

View full text Add to dashboard Cite

show abstract

“…When this calcification occurs, phosphorus from the water column is co-precipitated with the calcium, resulting in a reduction of its concentration in the water, which in turn decreases the phosphorus available for phytoplankton, thus maintaining lake transparency (Hilt et al, 2006;Kufel et al, 2013). Calcium and bonded phosphorus cannot be used by phytoplankton, and the bonded phosphorus deposited in the sediment tends to remain there, thanks to its shape, which makes its subsequent diffusion less likely (Ishii et al, 2008;Yokoyama et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

The Effect of Charophyte Communities on Phosphorus Flow in Lake Shinji, Japan

Komuro

Kamiya

Yamamuro

et al. 2017

AST

View full text Add to dashboard Cite

Charophytes are a group of aquatic algae similar to vascular plants; they play an important role in the nutrient cycling of lakes. Specifically, under eutrophication, charophytes have a greater capacity for phosphorus accumulation than vascular plants. During their development, charophytes accumulate calcium within their structures, along with dissolved phosphorus from the water column. The calcified structures are deposited onto the lakebed after the death of the plant, with phosphorus co-precipitating with calcium, limiting its return to the water. Lake Shinji is one of many lakes in Japan where the charophyte population is in decline or Aquatic Science and Technology ISSN 2168-9148 2017, Vol. 5, No. 1 14 extinct. Using aerial photographs acquired 70 years ago, we estimate the extent of the historical charophyte community in Lake Shinji, and quantitatively evaluate and examine the extent to which charophytes accumulated phosphorus in the lake sediment. The amount of phosphorus accumulated by the charophyte community in Lake Shinji is estimated to be 0.5625.5 t P y -1 . Charophytes are not found in Lake Shinji today, and although various species of vascular plants have recolonised the lake, no significant improvement in water transparency has been observed. This study concludes that charophytes are likely to be a more effective measure in combating eutrophication than vascular plants.

show abstract

“…In natural water, Ca is liable to combine with inorganic carbon and phosphorus (P), triggering co-precipitate of CaCO 3 with phosphorus that results in the P transport of water column. Calcium bound P is insensitive to redox potential and once deposited in bottom sediments, it may get long-term retention (Kufel et al 2013). Sediment is an important storage sink for metals (Mishra et al 2008;Nemati et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Sequential extraction of calcium in lake sediments for investigating the cycle of phosphorus in water environment

Liu

Zhu

et al. 2014

Int. J. Environ. Sci. Technol.

View full text Add to dashboard Cite

The role of calcium (Ca) in the cycle of phosphorus in water environment depends on the speciation of Ca in sediments, and reliable Ca sequential extraction method is useful for obtaining information about Ca transport processes from sediment to water. Experiments have been carried out to develop a simple but robust Ca sequential extraction method for identification of Ca portioning in sediments. The sequential extraction protocol was modified for extractants, extracting time, concentration and pH of the reagents in the first three steps of Tessier sequential procedure. With optimum conditions, there were 1:25 sediment to solution ratio and 3 h of extracting time shaken with NH 4 AC (1 mol L -1 , pH 7.0) (exchangeable Ca fraction); 1:25 sediment to solution ratio and extracted with NH 4 AC (1 mol L -1 , pH 5.0) for 5 h (carbonatebound Ca fraction); and 1:30 sediment to solution ratio and extracted with NH 2 OHÁHCl (0.5 mol L -1 , pH 1.5) for 6 h (Fe and Mn oxides bound Ca fraction). The recovery for Tessier procedure ranged form 35.6 to 71.1 %, while the recovery for the modified Tessier procedure ranged form 46.1 to 86.9 %. These results revealed that Tessier procedure underestimated the proportion of Ca in exchangeable fraction. In sediments, Ca was mainly exchangeable and carbonate bound, which was considered as the most liable fractions.

show abstract

Calcium carbonate incrustation and phosphorus fractions in five charophyte species

Cited by 51 publications

References 11 publications

The role of charophytes in a Mediterranean pond created for restoration purposes

The role of charophytes in a Mediterranean pond created for restoration purposes

The Effect of Charophyte Communities on Phosphorus Flow in Lake Shinji, Japan

Sequential extraction of calcium in lake sediments for investigating the cycle of phosphorus in water environment

Contact Info

Product

Resources

About