Affiliation(s)
1. Department of Agricultural Science, Alma Mater Studiorum, University of Bologna, Viale Fanin, Bologna 4640127, Italy
2. Department Agricultural Sciences, University of Pisa, via del Borghetto, Pisa 56124, Italy
ABSTRACT
The carbon (C) sequestration potential of turfgrass
systems has been investigated and demonstrated from several studies. The role of
these ecosystems in continental and Mediterranean climates though, is not yet clearly
understood because environmental limiting factors and management intensities can
strongly influence the overall C budget. The aim of
the present study is to improve the understanding of the mechanisms underlying C
fluxes in a turfgrass ecosystem and to assess its C sequestration potential by estimating
the annual C budget. NEE (Net Ecosystem
Exchange) of turfgrass
was calculated in its seasonal variation over one year, and compared between areas
characterized by different degrees of maintenance. The C sequestration
potential of the turfgrass was investigated in a golf course near Verona (Italy),
adopting a small-chamber enclosure approach. The measurements of gas exchanges between
biosphere and atmosphere, permitted to estimate the NEE, as a function of different
management intensities. The intensity
of management seems to have influence on its C balance. This study
needs further research to understand which maintenance variables are determinant
on turfgrass C sequestration.
KEYWORDS
Carbon balance,
carbon dioxide, golf course, net ecosystem exchange, small chambers enclosure, turfgrass.
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