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Fig. 3 | Frontiers in Zoology

Fig. 3

From: iDNA from terrestrial haematophagous leeches as a wildlife surveying and monitoring tool – prospects, pitfalls and avenues to be developed

Fig. 3

Components influencing detection probability. Panels represent three selected detection methods: a Vocal cues, b Camera traps and c Leech collection assuming presence of target species (and leech species). With vocal cues a, detection probability constitutes of p (Focal species sing), p (Observer hears song) and p (Correct identification of species by the observer). For camera traps (b) it is p (Focal species goes in front of camera trap), p (Camera is being triggered) and p (Correct identification of species by the observer). When using iDNA from leeches (and most other invertebrates) c, the detection probability constitutes of p (Leech feed on focal species), p (Fed leech collected), p (Target DNA extracted/amplified) and p (Correct identification based on the DNA)

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