Rangeland Degradation: Causes, Consequences, Monitoring Techniques and Remedies

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cg.contributor.affiliationInternational Center for Tropical Agricultureen
cg.contributor.crpLivestock
cg.creator.identifierRolf Sommer: 0000-0001-7599-9056en
cg.creator.identifierJob Kihara: 0000-0002-4394-9553en
cg.creator.identifierAn Maria Omer Notenbaert: 0000-0002-6266-2240en
cg.creator.identifierSylvia Sarah Nyawira: 0000-0003-4913-1389en
cg.number478en
cg.placeNairobi, Kenyaen
dc.contributor.authorBolo, Peter Omondien
dc.contributor.authorSommer, Rolfen
dc.contributor.authorKihara, Job Magutaen
dc.contributor.authorKinyua, Michaelen
dc.contributor.authorNyawira, Sylviaen
dc.contributor.authorNotenbaert, An Maria Omeren
dc.date.accessioned2019-07-31T20:40:56Zen
dc.date.available2019-07-31T20:40:56Zen
dc.identifier.urihttps://hdl.handle.net/10568/102393
dc.titleRangeland Degradation: Causes, Consequences, Monitoring Techniques and Remediesen
dcterms.abstractRangelands occupy 25% of the total land surface globally. In Africa, rangelands are estimated to cover 66% of the land surface, although there are variations from country to country. In Eastern Africa, for example, land surface coverage of rangeland areas varies from 44% in Uganda and 65% in Ethiopia to 74% in Tanzania and over 80% in Kenya. Rangelands have environmental, social and economic benefits, including support to national economies through tourism and employment. In Kenya, tourism, much of which is attributed to rangelands, accounts for 13% of the gross domestic product. In Tanzania, tourism contributed 9.0% of the total GDP, supporting 26% of total exports, 8.2% of the total employment, and 8.7% of total investment in the year 2017. Despite their benefits, rangelands are under threat of continued degradation driven by anthropogenic and natural causes. Natural causes of rangeland degradation include climate change and variabilities, aridity and desertification, drought, as well as alien species invasion. Anthropogenic rangeland degradation can manifest through agricultural activities and associated developmental practices, overstocking and overgrazing, as well as breakdown of social structures and government policies/by-laws. Continuous overgrazing and overstocking not only affect soil physical (compaction, breakdown of aggregates) but also chemical (soil pH and salinization, nutrient leaching, diminishing organic matter content), and biological properties. These decrease rangeland production potentials. However, numerous strategies to arrest and remedy rangeland degradation, such as rangeland re-vegetation, water harvesting, soil surface scarification, and livestock grazing management are available. This report addresses rangeland degradation and potential control measures with a strong focus on soil aspects.en
dcterms.accessRightsOpen Access
dcterms.bibliographicCitationBolo PO; Sommer R; Kihara J; Kinyua M; Nyawira S; Notenbaert A. 2019. Rangeland degradation: Causes, consequences, monitoring techniques and remedies. Working Paper. CIAT Publication No. 478. International Center for Tropical Agriculture (CIAT). Nairobi, Kenya. 23 p.en
dcterms.extent32 p.en
dcterms.isPartOfCIAT Publicationen
dcterms.issued2019-07en
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherInternational Center for Tropical Agricultureen
dcterms.subjectdegradationen
dcterms.subjectmonitoringen
dcterms.subjectsoil chemicophysical propertiesen
dcterms.subjectclimate changeen
dcterms.subjectproductivityen
dcterms.subjectsoilen
dcterms.subjectgeographical information systemsen
dcterms.subjectland degradationen
dcterms.subjectlivestocken
dcterms.typeWorking Paper

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