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Inter- and intra-annual variations of macroinvertebrate assemblages are related to the hydroperiod in Mediterranean temporary ponds

AuthorsFlorencio, Margarita ; Serrano Martín, Laura; Gómez-Rodríguez, Carola ; Millán, Andrés; Díaz-Paniagua, Carmen
KeywordsAquatic macroinvertebrates
Temporal variation
Wet phases
Community composition
Life cycle
Issue Date4-Aug-2009
CitationHydrobiologia 634(1): 167-183 (2009)
AbstractMacroinvertebrate assemblages of 22 temporary ponds with different hydroperiod were sampled monthly during a dry year (2005–2006) and a wet year (2006–2007). Coleopteran and Heteropteran adults were most abundant at the end of the hydroperiod, while Coleopteran larvae, mainly Dytiscidae, were mostly recorded in spring. Macroinvertebrate assemblages differed between study years. The shorter hydroperiod of ponds in the dry year constrained the length of the aquatic period for macroinvertebrates, and three distinct wet phases of community composition could be distinguished: filling phase, aquatic phase and drying phase. In the wet year, with a longer pond hydroperiod, five phases could be identified, with the aquatic phase differentiated into winter, early spring and late spring phases. Dispersers such as Anisops sardeus, Berosus guttalis or Anacaena lutescens were typical during the filling phase and Corixa affinis or Enochrus fuscipennis during the drying phase. The ponds with intermediate hydroperiod showed a similar composition (mainly dispersers) at the beginning and end of their wet period; this is not being seen in early drying or long hydroperiod ponds. A general pattern was detected, with similar variation between both years, which may be associated with the life histories of the macroinvertebrate taxa recorded.
Description17 pages, 6 figures, 3 tables.-- Printed version published Nov 2009.-- Issue title: "Pond Conservation: From Science to Practice. 3rd Conference of the European Pond Conservation Network" (Valencia, Spain, May 14–16, 2008).
Publisher version (URL)http://dx.doi.org/10.1007/s10750-009-9897-3
Appears in Collections:(EBD) Artículos
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