Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/30022
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dc.contributor.authorJayasinghe, Sadeeka Layomien
dc.contributor.authorKumar, Laliten
dc.contributor.authorHasan, Md Kamrulen
dc.date.accessioned2021-02-04T02:48:53Z-
dc.date.available2021-02-04T02:48:53Z-
dc.date.issued2020-03-30-
dc.identifier.citationAgronomy, 10(4), p. 1-15en
dc.identifier.issn2073-4395en
dc.identifier.urihttps://hdl.handle.net/1959.11/30022-
dc.description.abstractHow the current distribution of tea cultivation is influenced by specific environmental conditions in Sri Lanka is yet to be explored. Therefore, this study aims to assess the differences between tea and non-tea growing areas with respect to climatic and topographic covariates, and to determine the major covariates that control tea distributions. Climatic data of temperature and rainfall were extracted from WorldClim-Global Climate Data; the elevation, slopes, and aspects were obtained from Global Multi-resolution Terrain Elevation Data; and the solar radiation data was computed using a clear-sky solar radiation model. Random points were created on rasterised environmental layers for tea-growing and non-tea growing areas, stratified into low, mid, and high regions, using ArcGIS version 10.4.1 (Environmental Systems Research Institute: ESRI Redlands, CA, USA).Correlations were derived between covariates and tea and non-tea growing areas. According to the logistic regression analysis, there was no significant influence of the south-west, west, and north-west aspect compared to the north aspect when all other covariates were held constant. The odds ratio indicated that an area with a one-unit higher solar radiation was 1.453 times more likely to be a tea growing area. Similarly, a per unit increase in slope increases the likelihood of an area being suitable for tea cultivation by 1.039 times. When the annual mean temperature increased, the suitability of tea cultivation decreased, but an increased rainfall had increased the suitability of an area for tea cultivation. Areas with a north facing slope had the highest suitability for tea cultivation. This research demonstrated that tea growing could be expanded into a variety of locations as long as these variables are either found or managed in order to obtain the critical levels. In addition, it is proposed that the results of this study could be utilised in the assessment of the climate or/and land suitability for tea.en
dc.languageenen
dc.publisherMDPI AGen
dc.relation.ispartofAgronomyen
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.titleRelationship between Environmental Covariates and Ceylon Tea Cultivation in Sri Lankaen
dc.typeJournal Articleen
dc.identifier.doi10.3390/agronomy10040476en
dcterms.accessRightsUNE Greenen
local.contributor.firstnameSadeeka Layomien
local.contributor.firstnameLaliten
local.contributor.firstnameMd Kamrulen
local.subject.for2008070105 Agricultural Systems Analysis and Modellingen
local.subject.for2008050101 Ecological Impacts of Climate Changeen
local.subject.seo2008960301 Climate Change Adaptation Measuresen
local.subject.seo2008960501 Ecosystem Assessment and Management at Regional or Larger Scalesen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailljayasi2@myune.edu.auen
local.profile.emaillkumar@une.edu.auen
local.profile.emailmhasan7@myune.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.publisher.placeSwitzerlanden
local.identifier.runningnumber476en
local.format.startpage1en
local.format.endpage15en
local.peerreviewedYesen
local.identifier.volume10en
local.identifier.issue4en
local.access.fulltextYesen
local.contributor.lastnameJayasingheen
local.contributor.lastnameKumaren
local.contributor.lastnameHasanen
dc.identifier.staffune-id:ljayasi2en
dc.identifier.staffune-id:lkumaren
dc.identifier.staffune-id:mhasan7en
local.profile.orcid0000-0002-9205-756Xen
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:1959.11/30022en
dc.identifier.academiclevelStudenten
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelStudenten
local.title.maintitleRelationship between Environmental Covariates and Ceylon Tea Cultivation in Sri Lankaen
local.relation.fundingsourcenoteThis research was supported by a postgraduate scholarship provided by the University of New England to the first author.en
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorJayasinghe, Sadeeka Layomien
local.search.authorKumar, Laliten
local.search.authorHasan, Md Kamrulen
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/48c41ae1-2528-4c3a-aefd-63a1912719b3en
local.uneassociationYesen
local.atsiresearchNoen
local.sensitive.culturalNoen
local.identifier.wosid000534620300018en
local.year.published2020en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/48c41ae1-2528-4c3a-aefd-63a1912719b3en
local.fileurl.openpublishedhttps://rune.une.edu.au/web/retrieve/48c41ae1-2528-4c3a-aefd-63a1912719b3en
local.subject.for2020300207 Agricultural systems analysis and modellingen
local.subject.for2020410102 Ecological impacts of climate change and ecological adaptationen
local.subject.seo2020190101 Climate change adaptation measures (excl. ecosystem)en
local.subject.seo2020180403 Assessment and management of Antarctic and Southern Ocean ecosystemsen
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School of Environmental and Rural Science
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