The δ15N
values of stable nitrogen isotopes were determined in samples of organic matter
(OM) of podetias of lichen Cladonia pocillums (Ach.) Grognot, collected
across 10 altitudinal levels within the range of 1550 - 2900 m.a.s.l. of both
steppes and highland meadows of the Khangai Mountains (Mongolia). No correlation
between the δ15N values of
lichen OM and the altitude range was detected at the regional scale. However,
there is a positive correlation δ15N
values in OM C. pocillum with of the
nitrogen content in the podetias.
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