Predicting the future climate-related prevalence and distribution of crop pests and diseases affecting major food crops in Zambia

cg.authorship.typesCGIAR single centreen
cg.contributor.affiliationInternational Center for Tropical Agricultureen
cg.coverage.countryZambia
cg.coverage.iso3166-alpha2ZM
cg.coverage.regionAfrica
cg.coverage.regionEastern Africa
cg.coverage.regionSub-Saharan Africa
cg.creator.identifierWilson Nguru: 0000-0001-7008-202X
cg.creator.identifierCaroline Mwongera: 0000-0002-4866-9526
cg.identifier.doihttps://doi.org/10.1371/journal.pclm.0000064en
cg.issn2767-3200en
cg.issue1en
cg.journalPLOS Climateen
cg.reviewStatusPeer Reviewen
cg.subject.actionAreaSystems Transformation
cg.subject.alliancebiovciatPESTS AND DISEASESen
cg.subject.impactAreaClimate adaptation and mitigation
cg.subject.sdgSDG 13 - Climate actionen
cg.volume2en
dc.contributor.authorNguru, Wilsonen
dc.contributor.authorMwongera, Carolineen
dc.date.accessioned2023-01-12T11:04:52Zen
dc.date.available2023-01-12T11:04:52Zen
dc.identifier.urihttps://hdl.handle.net/10568/126941
dc.titlePredicting the future climate-related prevalence and distribution of crop pests and diseases affecting major food crops in Zambiaen
dcterms.abstractEnvironmental factors determine the suitability of natural habitats for crop pests and often facilitate their proliferation and that of the crop diseases they carry. Crop pests and diseases damage food crops, significantly reducing yields for these commodities and threatening food security in developing, predominantly agricultural economies. Given its impact on environmental factors, climate change is an important determinant of crop pest and disease distribution. This study uses Targeting Tools, a climate suitability analysis and mapping toolkit, to explore the potential impact of climate change on select environmental factors linked to crop pest and associated diseases’ proliferation. Based on the existing literature, prediction modeling was performed on 21 key pests and diseases that impact the major food crops for Zambian consumption. Future changes in habitat suitability for these crop pests and diseases were mapped based on their optimal temperature and relative humidity conditions for proliferation. Results project that there will be an overall increased geographical spread of suitable habitats for crop pests (and as follows, crop diseases) that thrive in warmer environments. By the 2030s, crop pests and diseases will increasingly spread across Zambia, with a higher likelihood of occurrence projected under RCPs 2.6, 4.5, and 8.5. Crop pests and diseases that thrive in cooler environments will experience decreasing habitat suitability in the 2030s, but will transition to a slower decrease in the 2050s under RCPs 2.6 and 4.5. Overall crop pest and disease habitat suitability will continue to rise slowly in the 2050s; RCP 8.5 shows an increased habitat suitability for crop pests and diseases that thrive in warm environments, with a decreased likelihood of occurrence for crop pests and diseases that thrive in cooler environments. The results highlight the need for future-facing, long-term climate adaptation and mitigation measures that create less suitable microclimates for crop pests and diseases.en
dcterms.accessRightsOpen Access
dcterms.audienceScientistsen
dcterms.available2023-01-09
dcterms.bibliographicCitationNguru, W.; Mwongera, C. (2023) Predicting the future climate-related prevalence and distribution of crop pests and diseases affecting major food crops in Zambia. PLOS Climate 2(1):e0000064 25 p. ISSN: 2767-3200en
dcterms.extent25 p.en
dcterms.issued2023-01-09
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherPublic Library of Scienceen
dcterms.subjectfood cropsen
dcterms.subjectpest controlen
dcterms.subjectdisease controlen
dcterms.subjectfood securityen
dcterms.subjectclimate change adaptationen
dcterms.subjectclimate change mitigationen
dcterms.subjectcultivos alimenticiosen
dcterms.subjectcontrol biológico de enfermedadesen
dcterms.subjectcontrol biológico de plagasen
dcterms.typeJournal Article

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