Response of bostryx conspersus ano succinea peruviana (mollusca, gastropoda) to -rhe "el niño 1997-98" event in the lomas of lachav (Lima, Perú)

Rina Ramírez, Katia Caro, Saida Córdova, Janine Duárez, Asunción Cano, César Arana, José Roque

Research output: Contribution to journalScientific review

2 Scopus citations

Abstract

The analysis of the responses 01 two land snail species, Bostryx conspersus (Bulimulidae) and Succinea peruviana (Succineidae) Irom the Lomas 01 Lachay (Lima, Peru) to the changing environmental conditions before, during and alter "El Niño 1997-98" event is presented herein. Both specíés showed a remarkable response to the two picks of "El Niño 1997-98". During 1997, the start of the activity period 01 both species was delayed, while in the summer of 1998 neither B. conspersus nor S. peruviana had a periad of aestivation at all, on the contrary, the populations of both species had a demographic explosion. However, the intensity of the response of those species to "El Niño" was not the same. These changes in land snails population are positively related with other factor, the vegetable cover, changeable during "El Niño 1997-98".
Original languageAmerican English
Pages (from-to)143-151
Number of pages9
JournalRevista Peruana de Biologia
Volume6
Issue number3
DOIs
StatePublished - 1 Jan 1999

Keywords

  • Bostryx conspersus
  • El niño
  • Lachay
  • Mollusca
  • Succinea peruviana

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