Lacasa-Marquina et al., 2014: IN SITU CONSERVATION STRATEGIES
RH occurred during the daylight interval of 1
.pm
75% was at nine out of 143 records, while the
to 4 pm (especially at 4 pm) and they were the
minimum RH was equal or below 25% at 40 out
opposite at 4 am (Figure 7).
of 143 records (Figure 8). In the case of T, the
The general criteria for optimal ranges of
average maximum and minimum were 35.6 C
preservation suggest parameters of RH from
and 20.3 C, respectively. The diurnal average
25% to 75% in order to avoid physicochemical
variations were 15.3 C and 37.8% while the
damage
(Michalski,
2009).
The
average
maximum reached up to 18.6 C and 63%. The
maximum and minimum RH were 58.3% and
maximum hourly variation of RH was 34% and
20.5%, respectively. The number of values
the minimum was 12% (Table 2).
when the maximum RH was equal or exceeded
STATISTICAL ANALYSIS OF STATISTICAL VARIABLES
Oscillation
Standard
RH (%)
Average
Maximum
Minimum
range
deviation
Average
37,3
49,9
26,8
23,1
6,0
Maximum
58,3
84,0
41,0
43,0
11,4
Minimum
20,5
31,0
12,0
19,0
4,2
Oscillation range
37,8
63,0
20,0
43,0
10,0
Standard deviation
13,6
22,5
8,4
14,1
3,6
Maximum hourly
variation
21,5
34,0
12,0
22,0
5,9
Absolute Oscillation
72,0
Oscillation
Standard
T (C)
Average
Maximum
Minimum
range
deviation
Average
28,2
31,7
24,5
7,2
2,0
Maximum
35,6
39,9
31,6
8,3
2,0
Minimum
20,3
25,5
15,5
10,0
2,7
Oscillation range
15,3
18,6
11,1
7,5
2,2
Standard deviation
5,5
6,5
4,3
2,2
0,6
Absolute Oscillation
24,4
Table 2: Summary table of the statistical results that are used for characterizing the environmental dynamic during the
fieldwork season period (23
rd of June -10th of July).
9
Journal of Paleontological Techniques