Comparison of the intestinal helminth community of the large Japanese field mouse (Apodemus speciosus) between urban, rural, and natural sites in Hokkaido, Japan

Anders, Jason L.; Nakao, Minoru; Uchida, K.; Ayer, Christopher G.; Asakawa, Mitsuhiko; Koizumi, Itsuro

doi:10.1016/j.parint.2019.02.001

Cited by 10 publications

(6 citation statements)

References 51 publications

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“…Deforestation and urbanisation increase the risk of re‐emergence of this disease in humans, because these LUCs can result in the emergence of new vectors, expansion of rodent habitats, and modification of population dynamics (Duplantier et al 2005). Recent studies considering diseases associated with non‐ Rattus rodents include intestinal helminths in Japanese field mice Apodemus speciosus (Anders et al 2019), infections from Nosopsyllus fasciatus ticks in mice and voles in Berlin (Maaz et al 2018), and cutaneous leishmaniasis in the fat sand rat Psammomys obesus, and the Libyan jird Meriones libycus, in Saudi Arabia (Abuzaid et al 2017).…”

Section: Resultsmentioning

confidence: 99%

Emerging zoonotic diseases originating in mammals: a systematic review of effects of anthropogenic land‐use change

2020

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1. Zoonotic pathogens and parasites that are transmitted from vertebrates to humans are a major public health risk with high associated global economic costs. The spread of these pathogens and risk of transmission accelerate with recent anthropogenic land-use changes (LUC) such as deforestation, urbanisation, and agricultural intensification, factors that are expected to increase in the future due to human population expansion and increasing demand for resources. 2. We systematically review the literature on anthropogenic LUC and zoonotic diseases, highlighting the most prominent mammalian reservoirs and pathogens, and identifying avenues for future research. 3. The majority of studies were global reviews that did not focus on specific taxa. South America and Asia were the most-studied regions, while the moststudied LUC was urbanisation. Livestock were studied more within the context of agricultural intensification, carnivores with urbanisation and helminths, bats with deforestation and viruses, and primates with habitat fragmentation and protozoa. 4. Research into specific animal reservoirs has improved our understanding of how the spread of zoonotic diseases is affected by LUC. The behaviour of hosts can be altered when their habitats are changed, impacting the pathogens they carry and the probability of disease spreading to humans. Understanding this has enabled the identification of factors that alter the risk of emergence (such as virulence, pathogen diversity, and ease of transmission). Yet, many pathogens and impacts of LUC other than urbanisation have been understudied. 5. Predicting how zoonotic diseases emerge and spread in response to anthropogenic LUC requires more empirical and data synthesis studies that link host ecology and responses with pathogen ecology and disease spread. The link between anthropogenic impacts on the natural environment and the recent COVID-19 pandemic highlights the urgent need to understand how anthropogenic LUC affects the risk of spillover to humans and spread of zoonotic diseases originating in mammals.

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Section: Resultsmentioning

confidence: 99%

Emerging zoonotic diseases originating in mammals: a systematic review of effects of anthropogenic land‐use change

2020

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“…1) during the period from 2016 to 2019. Protocols of the field survey and the results of parasitic nematodes were previously published (Anders et al 2019). Additional samples were obtained from My.…”

Section: Methodsmentioning

confidence: 99%

Cestode fauna of murid and cricetid rodents in Hokkaido, Japan, with assignment of DNA barcodes

2021

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The cestode fauna of murid and cricetid rodents in Hokkaido, the northernmost island of Japan, was evaluated based on our parasite collection and a review of the literature. Adult and larval cestodes collected from Apodemus speciosus (Temminck, 1844), Myodes rufocanus (Sundevall, 1846), and Rattus norvegicus (Berkenhout, 1769) in Hokkaido were identified by both morphological and molecular diagnoses. A total of 10 species from 5 families were confirmed in our collection.

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“…As the human population continues to grow and become more urban (1), animals increasingly have to survive and reproduce in modified habitats. Human-induced habitat modifications, like urbanization, shift ecological relationships including inter-and intra-specific competition and predator-prey and host-parasite interactions (2)(3)(4). Of specific interest are shifts in predation and parasitism as these have direct and indirect effects on species' life history traits (5)(6)(7).…”

Section: Introductionmentioning

confidence: 99%

“…However, as we demonstrate, crowdsourcing can generate numerous observations in a short period of time. 4 We measured predation risk by quantifying tail breaks in lizards from citizen science-generated photographs. Southern Alligator Lizards have long, semi-prehensile tails which they readily autotomize (self-amputate) as an escape tactic against predators.…”

Section: Introductionmentioning

confidence: 99%

The Power of Citizen Science to Quantify Ecological Risks in Cities

et al. 2020

Preprint

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Urbanization is an extreme form of habitat modification that can alter ecological relationships among organisms, but these can be hard to study because much of the urban landscape is inaccessible private property. We show that citizen science can be a powerful tool to overcome this challenge. We used photo-vouchered observations submitted to the citizen science platform iNaturalist to assess predation and parasitism across urbanization gradients in a secretive yet widespread species, the Southern Alligator Lizard (Elgaria multicarinata), in Southern California, USA. From photographs, we quantified predation risk by assessing tail injuries and quantified parasitism rates by counting tick loads on lizards.We estimated urbanization intensity by determining percent impervious surface around each lizard observation. We found that tail injuries increased with age of the lizard and with urbanization, suggesting that urban areas are riskier habitats, likely because of elevated populations of predators such as outdoor cats. Conversely, parasitism decreased with urbanization likely due to a loss of mammalian hosts and anti-tick medications used on companion animals. Moreover, our citizen science approach allowed us to generate a large dataset on a secretive species extremely rapidly and at an immense spatial scale that facilitated quantitative measures of urbanization (e.g. percent impervious surface cover) as opposed to 2 qualitative measures (e.g. urban vs rural). This study demonstrates that citizen science is allowing researchers to answer ecological questions that otherwise would go unanswered.

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Comparison of the intestinal helminth community of the large Japanese field mouse (Apodemus speciosus) between urban, rural, and natural sites in Hokkaido, Japan

Cited by 10 publications

References 51 publications

Emerging zoonotic diseases originating in mammals: a systematic review of effects of anthropogenic land‐use change

Emerging zoonotic diseases originating in mammals: a systematic review of effects of anthropogenic land‐use change

Cestode fauna of murid and cricetid rodents in Hokkaido, Japan, with assignment of DNA barcodes

The Power of Citizen Science to Quantify Ecological Risks in Cities

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