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1989

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cc-by-nc (c) Consejo Superior de Investigaciones Científicas (CSIC), 1989
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/32426

Seasonal patterns op biomass variation of Ruppia cirrhosa (Petagna) Grande and Potamageton pectinatus L. in a coastal logoon

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Abstract

Coastal lagoons where salinity varies within a wide range during the year are colonized by euryhaline macrophytes which can develop extensive beds. Seasonal changes in biomass of Ruppia cirrhosa and Potamogeton pectinatus were studied in Tancada Lagoon (Ebro Delta, NE Spain) in order to reveal the environmental factors controlling their population development. Ruppia cirrhosa occupy a larger area of the lagoon than Potarnogeton pectinatus. Their maximum above ground biomasses are also different (495 g m-2 and 351 g m-2 ash free dry weight, respectively). Below ground biomass of Ruppia cirrhosa is between 9 and 53 % of the above ground biomass, while it is 3-40 % for Potamogeton pectinatus. Chlorophyll a contents show fluctuations similar to biomass. Low salinity and high turbidity caused by freshwater inflows favour Potamogeton expansion, while Ruppia development is favoured by high salinity and transparent water.

Subject

Plantes aquàtiques, Biomassa, Ebre, Delta de l' (Catalunya)

Subject (English)

Aquatic plants, Biomass, Ebro River Delta (Catalonia)

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Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals)

Citation

MENÉNDEZ LÓPEZ, Margarita and COMÍN, F. A. (Francisco A.). Seasonal patterns op biomass variation of Ruppia cirrhosa (Petagna) Grande and Potamageton pectinatus L. in a coastal logoon. Scientia Marina. 1989. Vol. 53, num. 2-3, pags. 633-638. ISSN 0214-8358. [consulted: 9 of June of 2026]. Available at: https://hdl.handle.net/2445/32426

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