Ghost ponds hide 150-year-old plants

• Autores: Karl Gruber
• Localización: New scientist, ISSN 0262-4079, Nº. 3135, 2017, pág. 14
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • We're raising the dead. Well, almost. Plants discovered in "ghost ponds" are being revived after lurking underground as dormant seeds for up to 150 years. These so-called ghost ponds are formed when agricultural land expansion means that existing ponds are filled in, and buried alive, says Emily Alderton, at University College London (UCL), who led the study. To expand a field, farmers commonly remove hedgerows then use the uprooted plants and soil to fill up any ponds. This happened at the site Alderton's team studied in Norfolk, UK