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Vegetation response to climate change and human impacts in the Usambara Mountains

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dc.contributor.author Mumbi, C. T.
dc.contributor.author Marchant, R.
dc.contributor.author Lane, P.
dc.date.accessioned 2014-10-04T19:46:20Z
dc.date.available 2014-10-04T19:46:20Z
dc.date.issued 2014-05-29
dc.identifier.citation Mumbi, C. T., Marchant, R., and Lane, P. (2014). Vegetation response to climate change and human impacts in the Usambara Mountains. ISRN Forestry, 2014, Article ID 240510 en_GB
dc.identifier.other http://dx.doi.org/10.1155/2014/240510
dc.identifier.uri http://www.taccire.sua.ac.tz/handle/123456789/297
dc.description This article is also available at http://dx.doi.org/10.1155/2014/240510 en_GB
dc.description.abstract East and West Usambara Mountain blocks are unique based on three characteristics. Firstly, they are connected blocks; secondly, they have an oceanic-influenced climate; and thirdly, the rain seasons are not easily discernible due to their close proximity to the Indian Ocean and Equator. Sediment cores were collected from peat bogs in Derema (DRM) and Mbomole (MBML) in East Usambara and from Madumu (DUMU) in West Usambara. The multiproxy record provides an understanding on climate and vegetation changes during the last 5000 years.DRMandMBMLcores result in radiocarbon ages and age-depth curvewhich showed hiatus at 20 cm and 61 cm and huge inversion for DUMU core at 57 cm. Period 5000–4000 14C yr BP for DUMU core revealed increased Montane forest indicative of relatively moist conditions. Periods 3000–2000 and 2000–1000 14C yr BP, DUMU core demonstrated increased submontane and lowland forests. Period 1000–200 14C yr BP,DUMUcore signified increased coprophilous fungi while DRM and MBML cores signified fluctuating herbaceous pollen spectra (wet-dry episodes). Period 200 14C yr BP to present, all cores demonstrated stable recovery of forest types especially dominance of submontane forests. Abundant coprophilous fungi indicated increased human impacts including forest fires, cultivation, and grazing. en_GB
dc.description.sponsorship -The Critical Ecosystem Partnership Fund (CEPF) Small Grant Programme for Building Research Capacity among Tanzanian and Kenyan students -The Marie-Curie Excellence programme of the European 6th Framework under Contract MEXT-CT-2004-517098 -The York Institute for Ecosystem Dynamics (KITE), Environment department,University of York, United Kingdom en_GB
dc.language.iso en en_GB
dc.publisher Hindawi Publishing Corporation en_GB
dc.subject Climate change en_GB
dc.subject Human impacts en_GB
dc.subject Vegetation response en_GB
dc.subject Usambara mountains en_GB
dc.title Vegetation response to climate change and human impacts in the Usambara Mountains en_GB
dc.type Article en_GB

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