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DOCUMENTATION OF LAND USE INDICATORS ... - GaBi Software

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ainforest and for t4 it is fallow w ground, representin ng a waste eland with very few vegetation. .<br />

Concerningg<br />

impact faactors<br />

for er rosion, rainfforest<br />

does s have a ve ery high land<br />

quality, wasteland w a<br />

lower one. Therefore, , the differe ence betweeen<br />

the two qualities is s bigger thaan<br />

for the extraction<br />

off<br />

lignite in Spain.<br />

[kg]<br />

8,000E‐02<br />

7,000E‐02<br />

6,000E‐02<br />

5,000E‐02<br />

4,000E‐02<br />

3,000E‐02<br />

2,000E‐02<br />

1,000E‐02<br />

0,000E+00<br />

Bioticc<br />

Production<br />

(OOccupattion)<br />

Lignite SSpain<br />

Liggnite<br />

Malaysiaa<br />

Figure 2: Biotic Prodduction<br />

oc ccupation indicator<br />

va alues for the<br />

extractiion<br />

of 1 t of o lignite inn<br />

Spain andd<br />

Malaysia<br />

Occupationn<br />

examiness<br />

the direc ct impacts a land use e has durin ng its use<br />

according to the followwing<br />

formula a:<br />

time. It is<br />

Occupationn<br />

indicator vvalue<br />

= (Q(t t4, ref)-Q(t2,3))*area<br />

used*time<br />

of oc ccupation.<br />

So the statte<br />

after the regeneratio on of the lannd<br />

is compa ared with the<br />

state during<br />

land use e.<br />

calculatedd<br />

Figure 2 shhows<br />

the BBiotic<br />

Production<br />

occuppation<br />

indica ator values for the production<br />

of 1 t lignite inn<br />

Spain commpared<br />

to thhe<br />

indicator values for tthe<br />

extraction<br />

of 1 t lignite<br />

in Malaaysia.<br />

Both graphs aree<br />

positive, thhat<br />

means there<br />

are ne egative enviironmental<br />

impacts. i<br />

The extracction<br />

of 1 t lignite in Sp pain avoidss<br />

the produc ction of 0.0691<br />

kg biommass;<br />

in Malaysia<br />

thiss<br />

amount onnly<br />

sums up to 0.0136 kg. k The reaason<br />

is again<br />

mainly to be found inn<br />

the differe ent land usee<br />

types for tthe<br />

situationns<br />

t4 and t2 2,3. The situuation<br />

in t2,3 3 is for both h sites miniing<br />

area. Obviously, O a<br />

mining areea<br />

does noot<br />

have goo od land quaality<br />

parame eters. For Spain S the ssituation<br />

in t4 again iss<br />

moorland, for Malaysia<br />

it is fallow w ground representing<br />

wasteland, meaning thhat<br />

in the ex xample, thee<br />

regeneratioon<br />

potential<br />

of the land d in Spain iis<br />

higher than<br />

the Mala aysia one. SSo<br />

the moo orland doess<br />

still have hhigher<br />

qualiity<br />

paramet ters than wasteland,<br />

and a subsequ uently the iindicator<br />

va alues of thee<br />

Biotic Prodduction<br />

for 1 t lignite in Spain are higher than n the indicator<br />

values ffor<br />

the extra action of 1 t<br />

lignite in MMalaysia.<br />

Page 19 / 222

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