title: Why don't we ask? A complementary method for assessing the status of great apes.
abstract: Species conservation is difficult. Threats to species are typically high and immediate. Effective solutions for counteracting these threats, however, require synthesis of high quality evidence, appropriately targeted activities, typically costly implementation, and rapid re-evaluation and adaptation. Conservation management can be ineffective if there is insufficient understanding of the complex ecological, political, socio-cultural, and economic factors that underlie conservation threats. When information about these factors is incomplete, conservation managers may be unaware of the most urgent threats or unable to envision all consequences of potential management strategies. Conservation research aims to address the gap between what is known and what knowledge is needed for effective conservation. Such research, however, generally addresses a subset of the factors that underlie conservation threats, producing a limited, simplistic, and often biased view of complex, real world situations. A combination of approaches is required to provide the complete picture necessary to engage in effective conservation. Orangutan conservation (Pongo spp.) offers an example: standard conservation assessments employ survey methods that focus on ecological variables, but do not usually address the socio-cultural factors that underlie threats. Here, we evaluate a complementary survey method based on interviews of nearly 7,000 people in 687 villages in Kalimantan, Indonesia. We address areas of potential methodological weakness in such surveys, including sampling and questionnaire design, respondent biases, statistical analyses, and sensitivity of resultant inferences. We show that interview-based surveys can provide cost-effective and statistically robust methods to better understand poorly known populations of species that are relatively easily identified by local people. Such surveys provide reasonably reliable estimates of relative presence and relative encounter rates of such species, as well as quantifying the main factors that threaten them. We recommend more extensive use of carefully designed and implemented interview surveys, in conjunction with more traditional field methods.
authors.affiliation: People and Nature Consulting International, Bali, Indonesia. emeijaard@pnc-int.com
authors.forename: Erik
authors.initials: E
authors.lastname: Meijaard
authors.forename: Kerrie
authors.initials: K
authors.lastname: Mengersen
authors.forename: Damayanti
authors.initials: D
authors.lastname: Buchori
authors.forename: Anton
authors.initials: A
authors.lastname: Nurcahyo
authors.forename: Marc
authors.initials: M
authors.lastname: Ancrenaz
authors.forename: Serge
authors.initials: S
authors.lastname: Wich
authors.forename: Sri Suci Utami
authors.initials: SS
authors.lastname: Atmoko
authors.forename: Albertus
authors.initials: A
authors.lastname: Tjiu
authors.forename: Didik
authors.initials: D
authors.lastname: Prasetyo
authors.lastname: Nardiyono
authors.forename: Yokyok
authors.initials: Y
authors.lastname: Hadiprakarsa
authors.forename: Lenny
authors.initials: L
authors.lastname: Christy
authors.forename: Jessie
authors.initials: J
authors.lastname: Wells
authors.forename: Guillaume
authors.initials: G
authors.lastname: Albar
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Marshall
mesh_terms: D000818:Animals; D003247:Conservation of Natural Resources / Q000379:methods*; D007214:Indonesia; D011148:Pongo pygmaeus; D011795:Surveys and Questionnaires