A |
Abundance |
3 |
3000, 4000, 5000 |
Low, medium or high population
size in GPNP |
r
|
Overall yearly trend over 10 years
|
5
5
|
1.01, 1.018, 1.027, 1.034, 1.041
0.989, 0.978, 0.965, 0.95, 0.933
|
10%,20%,30%,40% or 50% total population increase in 10 years
-10%,-20%,-30%,-40% or -50% total population increase in 10
years
|
|
Overall yearly trend over 20 years
|
5
5
|
1.005, 1.009, 1.013, 1.017, 1.025
0.995, 0.989, 0.982, 0.975, 0.966
|
10%,20%,30%,40% or 50% total population increase in 20 years
10%, 20%, 30%, 40% or 50% total population increase in 20
years
|
cvy |
Coefficient of variation of the trend between years |
4 |
0.05,
0.1, 0.15, 0.2 |
Low, medium and high variability |
cvs |
Coefficient of variation of the trend between sectors |
4 |
0.05,
0.1, 0.15, 0.2 |
Low, medium and high variability |
P |
Detection probability |
3 |
0.4, 0.6, 0.8 |
Low, medium and high
detectability |
cvd |
Coefficient of variation for detection probability |
3 |
0.1, 0.3,
0.5 |
Low, medium or high variability |
|
Sector-selection (method to select the survey sectors)
|
3
|
“random each”
“random first”
“best”
|
Sectors are selected randomly each year
Sectors are selected randomly the first year
Only the sectors with the highest abundance are selected
|
n |
Number of sectors used for the estimation |
38 |
1 to 38 |
|