Abstract
Seasonal changes in benthic communities in a temporary stream of Ibiza (Balearic Islands) Seasonal changes in benthic communities (diatoms and invertebrates) in a temporary stream of the Ibiza island (Balearic Islands, Spain) were studied. The physico-chemical parameters, diatom quality indices and some invertebrate metrics were used to describe and identify the observed temporal changes in benthic communities. A total of 43 diatom taxa and 51 invertebrate taxa were identified. Only 4 diatom species appeared in all the samples: Achnanthidium minutissimum, Diploneis oblongella, Navicula veneta and Nitzschia inconspicua. The invertebrate community was dominated by the orders Diptera, Oligochaeta and Gastropoda along the sampling period. Changes in the physico-chemical parameters of the water and hydrological events determined the structure of the benthic communities in this temporary stream.
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