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Erschienen in:
08.11.2021 | Original Contribution
Environmental Change and Zoonotic Disease Risk at Human-Macaque Interfaces in Bangladesh
Erschienen in: EcoHealth | Ausgabe 4/2021
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Anthropogenic land-use changes increase the frequency of interactions and habitat overlap between humans and macaques which play an important role in zoonotic disease transmission. This exploratory qualitative study aimed to examine connections between land-use change and macaque-human interactions and assess the chance of zoonotic disease transmission. We conducted ethnographic interviews and focus group discussions in Old Dhaka, Madaripur, and Chandpur, Bangladesh. Participants reported significant anthropogenic landscape transformations leading to increased human-macaque contact in the study areas. Participants also reported that all three sites underwent substantial landscape alteration from natural or agricultural land to a human-altered environment with roads, commercial, and residential buildings. Participants noted that the disappearance of forestland appeared to increase the macaque dependence on backyard fruit trees. Where rivers and ponds were filled to support local construction, macaques were also observed as becoming more dependent upon human water sources. These changed may help expanding the macaques' foraging areas, and they appear to be invading new areas where people are not culturally habituated to living with them. In response, many residents reported reacting aggressively toward the macaques, which they believed led to more bites and scratches. However, other respondents accepted the presence of macaques around their homes. Few participants considered macaques to be a source of disease transmission. This study revealed that local environmental changes, deforestation, urban expansion, construction, and water bodies' disappearance are linked to increasing human-macaque interactions. Understanding these interactions is critical to develop successful mitigation interventions at interfaces with a high risk for viral disease spillover.