Otwarty dostęp

Productivity and economic effectiveness of young black locust tree stands on afforested sulphur opencast mine sites


Zacytuj

Commercial thinning in individual revisions and total for the distinguished species in the ‘Piaseczno’ dump

Species Revision 3rd (1992–2001) Revision 4th (2002–2011) Revision 5th (2012–2014) Total commercial thinning (1992–2014)
commercial thinning
m3 % m3 % m3 % m3 %
Robinia pseudoacacia 29.90 11.13 215.55 7.56 485.04 22.50 730.49 13.88
Betula pendula 7.02 2.61 472.03 16.56 436.28 20.24 915.33 17.39
Fagus sylvatica 0.00 0.00 0.84 0.03 0.00 0.00 0.84 0.02
Quercus spp. 9.75 3.63 101.10 3.55 156.39 7.26 267.24 5.08
Fraxinus excelsior 10.40 3.87 14.33 0.50 51.44 2.39 76.17 1.45
Larix decidua 19.15 7.13 121.23 4.25 107.78 5.00 248.16 4.72
Alnus spp. 2.60 0.97 3.86 0.14 31.37 1.46 37.83 0.72
Populus tremula 90.42 33.65 140.69 4.94 28.02 1.30 259.13 4.92
Pinus sylvestris 60.04 22.35 655.50 23.00 250.86 11.64 966.40 18.37
Populus spp. 0.65 0.24 1080.95 37.93 361.83 16.79 1443.43 27.43
Other coniferous 5.00 1.86 4.00 0.14 12.25 0.57 21.25 0.40
Other deciduous 33.75 12.56 24.49 0.86 157.78 7.32 216.02 4.11
Carpinus spp. n.d n.d 0.84 0.03 1.68 0.08 2.52 0.05
Acer pseudoplatanus n.d n.d 0.00 0.00 44.88 2.08 44.88 0.85
Ulmus spp. n.d n.d 0.00 0.00 1.40 0.06 1.40 0.03
Salix spp. n.d n.d 12.34 0.43 18.63 0.86 30.97 0.59
TOTAL 268.68 2847.75 2145.63 5262.06

Merchantable timber of growing stock for species occurring on the ‘Piaseczno’ dump (according to FMP 2012–2021)

Species Total volume [m3] (growing stock)
Robinia pseudoacacia 6430
Pinus sylvestris 3885
Alnus sp. 2555
Quercus sp. 2317
Betula pendula 1381
Larix decidua 1120
Populus tremula 1005
Populus sp.  420
Acer pseudoplatanus  145
Fagus sylvatica   10
Others  486

Changes in species composition in the ‘Piaseczno’ dump

Species FMP 1992–2001 FMP 2002–2011 FMP 2012–2021 Changes in the percentage share of species in 1992–2021
Quercus spp. 24% 26% 12% −12%
Robinia pseudoacacia L. 19% 14% 32%  13%
Pinus sylvestris L. 18% 21% 20%   2%
Betula pendula Roth 11%  6%  7%  −4%
Populus spp. 11%  9%  5%  −6%
Alnus glutinosa L. Gaertn  9%  9% 13%   4%
Larix decidua Mill n.d. 6% 6% n.d
Other 7% 9% 6% −1%

Costs and profits [PLN] of black locust harvesting in the Staszów Forest Inspectorate during 2006–2016 according to the Wood Price List of the Staszów Forest District

Years 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
Thinning in wood class s2 33.80 5.82 0.00 28.86 0.00 65.52 253.89 0.00 0.00 0.00 0.00
s2k 0.00 0.00 0.00 0.00 0.00 0.00 0.00 186.25 0.00 0.00 22.51
s2d 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17.70 0.00 0.00 0.00
s4 0.00 0.00 0.00 0.00 3.25 0.00 6.19 15.55 10.92 0.00 43.36
wd 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.70
Thinning in individual years [m3] 33.80 5.82 0.00 28.86 3.25 65.52 260.08 219.50 10.92 0.00 66.57
The price of thinning and extraction [m3]a 44.00 39.50 55.00 45.00 43.50 45.00 52.00 69.40 47.00 47.00 47.00
Average selling price of wood [PLN]b 133.70 147.28 152.53 136.54 154.65 186.68 186.42 171.05 188.85 191.77 191.01
Costs of commercial thinning and extraction in individual years [PLN] 1487.20 229.89 0.00 1298.70 141.38 2948.40 13 524.16 15 233.30 513.24 0.00 3128.79
Income from the sale of wood in particular years [PLN] 4519.06 857.17 0.00 3940.54 502.61 12 231.27 48 484.11 37 545.48 2062.24 0.00 12 715.54
Profit [PLN] 3031.86 627.28 0.00 2641.84 361.24 9282.87 34 959.95 22 312.18 1549.00 0.00 9586.75
Total cost of commercial thinning and extraction during 2006–2016 [PLN]c 38505.06
Total profit of wood selling during 2006–2016 [PLN]c 122858.03
Total profit from wood selling during 2006–2016c 84352.97
eISSN:
2199-5907
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Life Sciences, Plant Science, Medicine, Veterinary Medicine