Table 3 Design of the simulation study, based on three ecological/ behavioural parameters, home range area, population size and mean hourly displacement of (a group of) individual animals.

From: Simulation-based assessment of the performance of hierarchical abundance estimators for camera trap surveys of unmarked species

Home range

Population size

Movement

Detection process

Closure

HRA

N

Abun. (\(\lambda )\)

Site-use freq. (\({\lambda }_{use})\)

\(\sigma\)

\(\rho\)

\(p\)

\(\mu\)

Closure

0.65

480

3.33

3.33

150

0.70

0.0297–0.0554

0.0411–0.0831

0.95

0.0158–0.0380

0.0322–0.0749

240

1.67

1.67

0.70

0.0221–0.0638

0.0288–0.0955

0.95

0.0129–0.0411

0.0249–0.0879

Non-closure

480

3.33

11.49 – 15.88

0.70

0.0036–0.0192

0.0049–0.0274

0.95

0.0019–0.0136

0.0029–0.0252

240

1.67

5.58 – 7.94

0.70

0.0018–0.0191

0.0025–0.0321

0.95

0.0011–0.0148

0.0015–0.0351

2.61

240

1.67

11.82 – 13.14

300

0.70

0.0024–0.0155

0.0030–0.0195

0.95

0.0009–0.0090

0.0014–0.0132

120

0.83

5.69 – 6.78

0.70

0.0017–0.0157

0.0019–0.0177

0.95

0.0005–0.0125

0.0011–0.0179

10.38

120

0.83

14.09 – 16.48

600

0.70

0.0036–0.0094

0.0042–0.0109

0.95

0.0011–0.0044

0.0013–0.0051

60

0.42

6.79 – 8.62

0.70

0.0027–0.0107

0.0027–0.0124

0.95

0.0002–0.0057

0.0002–0.0068

41.58

60

0.42

17.44 – 22.84

1200

0.70

0.0019–0.0059

0.0019–0.0065

0.95

0.0003–0.0041

0.0005–0.0054

30

0.21

8.11 – 11.84

0.70

0.0015–0.0067

0.0015–0.0071

0.95

0.0001–0.0044

0.0004–0.0056

  1. The range of true detection probabilities \(p\) and rates \(\mu\), resulting from each scenario, are also indicated.