Global change, parasite transmission and disease control: lessons from ecology

J Cable, I Baber, B Boag, AR Ellison, Eric Morgan, K Murray, EL Pascoe, SM Sait, AJ Wilson, M Booth

Research output: Contribution to journalArticle

60 Citations (Scopus)
173 Downloads (Pure)

Abstract

Parasitic infections are ubiquitous in wildlife, livestock and human populations, and healthy ecosystems are often parasite rich. Yet, their negative impacts can be extreme. Understanding how both anticipated and cryptic changes in a system might affect parasite transmission at an individual, local and global level is critical for sustainable control in humans and livestock. Here we highlight and synthesize evidence regarding potential effects of ` system changes' (both climatic and anthropogenic) on parasite transmission from wild host-parasite systems. Such information could inform more efficient and sustainable parasite control programmes in domestic animals or humans. Many examples from diverse terrestrial and aquatic natural systems show how abiotic and biotic factors affected by system changes can interact additively, multiplicatively or antagonistically to influence parasite transmission, including through altered habitat structure, biodiversity, host demographics and evolution. Despite this, few studies of managed systems explicitly consider these higher-order interactions, or the subsequent effects of parasite evolution, which can conceal or exaggerate measured impacts of control actions. We call for a more integrated approach to investigating transmission dynamics, which recognizes these complexities and makes use of new technologies for data capture and monitoring, and to support robust predictions of altered parasite dynamics in a rapidly changing world.
Original languageEnglish
Article number20160088
JournalPhilosophical Transactions of the Royal Society of London B: Biological Sciences
Volume372
DOIs
Publication statusPublished - 05 May 2017

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