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Changes over time in remnant rural vegetation within built-up areas

recreational use, vegetation dynamics and conservation assessment

Forsberg, Oskar (2010). Changes over time in remnant rural vegetation within built-up areas. Diss. (sammanfattning/summary) Uppsala : Sveriges lantbruksuniv., Acta Universitatis Agriculturae Sueciae, 1652-6880 ; 2010:84
ISBN 978-91-576-7529-3
[Doctoral thesis]

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This dissertation focuses on changes over time within patches of remnant rural vegetation after their inclusion in built-up settings. The dissertation is a compilation of four papers preceded by a summary part. The basis for the study is a unique data set collected over a 30 year period at Järvafältet, in the north western part of the city of Stockholm. Empirical contributions are made in three principal areas: recreational use of remnant vegetation, dynamics of remnant vegetation and conservation assessment of urban properties. In paper I the recreational use of areas with remnant vegetation close to and within built-up areas was found to increase between the two studied time periods, 1978–1982 and 2002–2004 with children being the largest user group. The dynamics of remnant vegetation studied in papers II and III were found to vary greatly depending on the specific vegetation's properties. Abandoned pastures were, apparently, not impacted at all. The forest field layer showed a modest and gradual composition change. Bryophytes experienced a curvilinear decrease in cover. Fruticose lichens growing on bedrock was rapidly and fully exchanged by crustose lichens and worn out ground was substantially formed on heavily worn areas. Wear and tear was assessed to be the major driver of the observed vegetation changes. In paper IV the development of a novel tool for the assessment of the biodiversity depletion state at the urban property-level, 'EcoEffect Outdoors – habitat depletion', is described. The dissertation's summary part provides a background to the study, a synthesis of the papers and an account of the author's part in the work presented. A short exposition of the research field including the most important associated research areas and a condensed review of the benefits of and the threats to remnant vegetation is also forwarded. The summary part also contains a general scheme for possible outcomes of wear and tear in patches of remnant vegetation. The scheme suggests a promising approach to the further development of our understanding of the importance of different vegetation processes in connection with wear and tear.

Authors/Creators:Forsberg, Oskar
Title:Changes over time in remnant rural vegetation within built-up areas
Subtitle:recreational use, vegetation dynamics and conservation assessment
Series Name/Journal:Acta Universitatis Agriculturae Sueciae
Year of publishing :2010
Number of Pages:53
ALLI. Residents' use of remnant natural vegetation in the residential area of Järvafältet, Stockholm. 2006. Clas Florgård and Oskar Forsberg. Urban Forestry & Urban Greening 5, 83-92. II. Vegetation development patterns in remnant forest patches within a built-up area. 2010. Oskar Forsberg. (Manuscript) III. Vegetation changes 1954 - 2006 in pastures preserved as parts of the urban green infrastructure at Vällingby and Järvafältet, Stockholm – Case study. 2008. Clas Florgård and Oskar Forsberg. Salzburger Geographische Arbeiten, Band 42, 9-24: Ecological perspectives of urban green and open space. IV. EcoEffect Outdoors – Habitat Depletion: A novel tool for the assessment of locally inflicted strain on biodiversity in urban properties. 2010. Oskar Forsberg and Ulla Myhr. (Manuscript)
Place of Publication:Uppsala
ISBN for printed version:978-91-576-7529-3
Publication Type:Doctoral thesis
Full Text Status:Public
Agrovoc terms:urban areas, recreational areas, vegetation, plant ecology, biodiversity, recreation, human behaviour, evaluation, methods, urban planning, sweden
Keywords:recreation ecology, outdoor recreation, user counts, urban woodlands, green spaces, city planning, trampling tolerance, wear resilience, vegetation succession, assessment of urban biodiversity, decision tool development
Permanent URL:
ID Code:2392
Department:(NL, NJ) > Dept. of Urban and Rural Development
(LTJ, LTV) > Dept. of Urban and Rural Development
Deposited By: Oskar Forsberg
Deposited On:03 Nov 2010 00:00
Metadata Last Modified:02 Dec 2014 10:18

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