0000000000361784

AUTHOR

Santos Cirujano

The importance of phytoplankton production for carbon budgets in a semiarid floodplain wetland

Phytoplankton production (PP) in wetlands is not measured as often as that of macrophytes. A three year-study during a period of sustained high flooding was undertaken in a central Spanish floodplain wetland (Las Tablas de Daimiel National Park) to determine net PP, its spatial heterogeneity and controlling factors, and compare it with primary production in macrophyte communities. This enabled us to estimate carbon budgets for each community. All PP variables showed high spatial and temporal variability among sites, resulting in low coherence even when flooding connected all sites. Net PP corresponded to 25- 36% of submerged plant production and 3-10% of helophyte production. Net PP was con…

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Aproximación a las comunidades de carófitos que existieron en la albufera de valencia a partir del estudio de las oósporas del sedimento

14 páginas, 8 figuras, 3 tablas.

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Revision of the Eduardo Reyes Prósper’s herbarium and typification of three species of charophytes (<em>Charophyceae : Characeae</em>) present within it

A study of the charophytes collected by Eduardo Reyes Prósper in the period 1904–1906 and kept in the herbarium of the Royal Botanical Garden of Madrid (MA-ALGAE) is carried out. Reyes Prósper’s herbarium consists of 112 sheets, which had not been revised until now, among which are the type materials of Lamprothamnus aragonensis Reyes y Prosper, Lamprothamnus toletanus Reyes y Prosper and Tolypella giennensis Reyes y Prosper, of which their lectotypes are here designated.

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Effects of Changing Rainfall on the Limnology of a Mediterranean, Flowthrough-Seepage Chain of Lakes

Relationships between groundwater and lake ecology are often overlooked, but they may be strong, particularly in seepage lakes. As a result, the nature and degree of groundwater effects on lakes are usually neglected. In this study interactions among rainfall, groundwater and surface water and their limnological effects were traced seasonally for two years of changing rainfall in a Spanish flowthrough, seepage lake complex. Cumulative rainfall dictated recharge of groundwater with delays of nine months. Groundwater discharge, in turn, increased surface discharge downstream. Mediated by the geographical setting of lakes, both fluxes impinged on lake water renewal time, but effects of the lat…

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Chara hispida beds as a sink of nitrogen: Evidence from growth, nitrogen uptake and decomposition

8 pages, and tables stadistics, and figures.

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