IMBIV 05474
INSTITUTO MULTIDISCIPLINARIO DE BIOLOGIA VEGETAL
Unidad Ejecutora - UE
artículos
Título:
Wood-decaying polypores in the mountains of Central Argentina in relation to Polylepis forest structure and altitude
Autor/es:
ROBLEDO G. & D. RENISON
Revista:
Fungal Ecology
Referencias:
Año: 2009
ISSN:
1754-5048
Resumen:
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To determine how altitude and forests successional stage are related to richness
and composition of wood-decaying polypore fungi in Polylepis Mountain forests of Central
Argentina we sampled 48 forest plots of 900m2 which
included a range of successional stages and altitudes. We recorded a total of
19 species and our main results show that overall richness increased with
forest successional stage and altitude, while endemic species richness was
positively related only to altitude. Polypore community structure as
exemplified by DCA Axes 1 and 2 were also related only to altitude with no
pattern with forest successional stage, meaning polypore species are added
during succession with no loss of early successional species. We conclude these
forests must be managed to promote more mature forests and emphasis must be
placed on a range of altitudes, especially highland areas where slow
decomposition allows for a more diverse polypore community.
