3 pages, 1 table, 9 references.-- Pertenece al capítulo Symposium 5: Geomicrobiology of cave and karst environments.-- Simposio celebrado del 19 al 26 de julio, 2009, en Kerrville, Texas, U.S.A.Castañar de Ibor Cave (Spain) is a low energy cave with very high microenvironmental stability
throughout the annual cycle and minimum rates of energy exchange wirh the atmosphere. This show cave
was discovered in 1967 and declared a Natural Monument in 1997. Lacer in 2003 the cave was opened
to public visits. On 26 August 2008, the cave walls and soils appeared colonized by long, white fungal
mycelia. This event was the result of an accidental input of organic matter on the afternoon of 24 August
2008. The outbreak was initiated by Mucor circinelloides and Fusarium solani.Peer Reviewe
