A quantitative study of pollarding process in silvopastoral systems of Northern Zagros, Iran
作者： Laila Khedri , Loghman Ghahramany , Hedayat Ghazanfari , Fernando Pulido
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摘要: Aim of study: This research attempts to quantitatively describe the pollarding process in northern Zagros, western Iran. Material and methods: An inventory all trees was conducted three representative stands pollarded section (DBH ≥ 5 cm): DBH, total height, trunk height crown diameters were measured. At time pollarding, 10% foliage stacks randomly selected weighed. The positions each store tree ( i.e. special capable enduring weight a certain number leafy branches (average 600 kg)) horizontal distance associated with recorded. Main results : resulting from correlated (0.48 0.43, respectively) their diameter. average dry leaf biomass 1,525.6 ±108.1 kg/ha there significant difference between stands. area 501.1±210.4 m 2 9.4±3.5 trees, respectively. Research highlights stored on them are determined by around ability bear stacks.
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