Ysica Pallavicini Fernndez,

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FACTORS AFFECTING THE ACCUMULATION OF BIOMASS OF
HERBACEOUS PLANTS DURING ECOLOGICAL SUCCESSION
IN COAL MINES

• Yésica Pallavicini Fernández,
• Carolina Martínez-Ruiz,
• Josu González-Alday

E07M400878AR
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Men through their activities induces the
processes of succession artificially.
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Problem

• Biomass acumulation pattern
• during ecological succession in coal mines are
  unknown.

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Hypothesis
biotic factors
Biomass accumulation is affected by
abiotic factors
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Aim

• To describe the pattern of biomass accumulation
  during ecological succession on coal mines wastes
  in the northern of Palencia (Spain), and identify
  the factors which determine it.

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Specific aims
Total biomass
Taxonomic groups biomass
1-Quantify
Species diversity
7
Specific aims
Total
2- Describe the pattern of biomass accumulation
Taxonomic groups
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Specific aims

• 3)Identify the factors that influence these
  patterns of change

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METHODS Characterization of the
study area
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METHODS Characterization of the study area
ZONA DE GUARDO CERVERA ZONA DE
BARRUELO ZONA DE LA PERNÍA
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METHODSCharacterization of the study area

• Sub-humid Mediterranean climate
• Average annual rainfall 973 mm
• Average annual temperature of 9.2 º C

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METHODS Field sampling
10m
10m
10m
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METHODS Field sampling
1m
20 cm
20 cm
1m
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METHODS LABORATORY
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Data analysis

• Multivariate analyses
• to obtain the ordination of the data set with
  regard to the environmental variables.

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Initial data explorationDCA (Detrended
correspondence analysis)
2.5
Comp
Otras
15
21
14
20
17
8
25
22
16
19
12
29
26
31
27
1
5
30
4
3
18
24
Gram
28
9
2
23
7
11
6
10
13
-0.5
Fab
-0.5
2.0
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Biomass accumulation pattern
400
350
Gram
Leg
300
Comp
Otras
250
Total
Biomass (g/m2)
Total
200
Gram
Leg
150
Comp
Otras
100
50
0
0-5
lt20
SS
6-10
11-15
16-20
Age (Gps.)
18
CCA (Canonical correspondence analysis)
1.0
15
20
17
14
24
21
Comp
31
5
Otras
30
Edad
19
B
A
C
Alt.M
12
27
26
Matorral
29
S
28
3
Pend
ALTITUD
contacto
L
V
Gram
1
Intens
8
4
16
EROSION
9
22
23
N
18
R
CON
25
O
Leg
HSI
11
2
6
10
7
13
-1.0
-1.0
1.0

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