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. 2020 Aug 21;15(8):e0227163. doi: 10.1371/journal.pone.0227163

Table 1. Description of the terms under methods extracted from the reviewed papers reported in Fig 2.

Method Description
Animal counts Population size and trend of animals in a protected area under illegal hunting pressure documented from animal count methods such as aerial sample counts, systematic strip transect survey and Distance sampling.
Interviews/counts Illegal hunting and impact on mammal population trends from interviews of field rangers or local communities and direct animal counts in the field.
Interviews Assessment of illegal hunting and trend of illegally hunted populations from local communities directly involved in illegal hunting or consumption of bushmeat. E.g. use of questionnaires and interviews surveys.
Market Surveys Records of live animals or carcasses from markets, or surveys of markets to record these data
Other surveys Surveys of illegally killed mammal carcasses in the field, surveys of snares used in illegal hunting, animal bone surveys, poacher arrest records, combined carcass survey and local expert opinion of the population trends of illegal hunted animals.
Patrol data Information about illegal hunting of wildlife and impact on population trends inferred from law enforcement data conducted by rangers in a protected area.