Journal
RUSSIAN JOURNAL OF ECOLOGY
Volume 42, Issue 5, Pages 395-399Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S1067413611050146
Keywords
H. ammodendron (CA Mey.) Bunge; Edaphic type; Reproductive allocation; Size-dependence
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The reproductive allocation (RA) of Haloxylon ammodendron (C.A. Mey.) Bunge was studied in different edaphic types of the Gurbantunggut desert. Results showed that the RA had significant hierarchical variation. Both RA and reproductive output (RO) were size-dependent, and relationships between aboveground total biomass and RA/RO were represented by linear or exponential equations. The RA in loam increased with aboveground total biomass increased. However, the RA showed a faint decrease in gravel soil and significant decrease in sandy soil with aboveground total biomass increased. Then, the stability of the population was analyzed in three edaphic types.
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