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Climate change effects on terrestrial parasitic nematodes: Where are the knowledge gaps?
T M Moerman1,2, S D Albon3, S J Coulson2
1Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, NO-1432 Ås, Norway.
Journal of Helminthology
|December 4, 2023
Summary
Climate change impacts terrestrial parasitic nematodes. More research is needed on temperature and moisture effects on nematode behavior and survival for better animal health and livestock management.
Area of Science:
- Veterinary Parasitology
- Climate Change Ecology
- Animal Health
Background:
- Climate change poses risks to parasitic nematodes, impacting animal health, livestock, and ecosystems.
- A comprehensive overview of current research on terrestrial parasitic nematodes under climate change is lacking.
Purpose of the Study:
- To review experimental studies on the effects of temperature and moisture on free-living stages of terrestrial parasitic nematodes.
- To identify knowledge gaps and advocate for future research directions.
Main Methods:
- Systematic screening of nearly 1,400 papers.
- Review of 57 experimental studies focusing on temperature and moisture effects.
- Analysis of impacts on hatching, development, survival, and behavior of nematode free-living stages.
Main Results:
- Significant knowledge gaps exist regarding the interactive effects of temperature and moisture on nematode life-history traits.
- Limited research investigates the impact of environmental factors on nematode movement, crucial for understanding infection dynamics.
- Studies predominantly focus on sheep and cattle, with a narrow range of nematode species.
Conclusions:
- Future research should prioritize understanding temperature-moisture interactions and their effects on nematode behavior and movement.
- Field experiments under natural conditions are crucial for realistic insights.
- Expanding research to diverse hosts and nematode species is essential for broader implications in livestock management and conservation.
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