Browsing by Author "Borysiak, Janina"
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Item Allotment gardens and parks: Provision of ecosystem services with an emphasis on biodiversity(2015) Speak, A.F.; Mizgajski, Andrzej; Borysiak, JaninaUrban areas, in particular, present unique challenges for the conservation of ecosystems. Allotment gardens (AGs) are an important greenspace feature of urban landscapes in Europe which have the potential to offer multiple social and bio-physical ecosystem services in addition to food production. This study is an attempt to assess and compare the ecosystem services provided by AGs in Manchester, UK, and Poznań, Poland as well as a comparison to city parks. The surveys included a detailed land cover characterisation and an assessment of cultivated and spontaneous plant species. There are differences in the land use characteristics in the two cities with a preference for vegetable growing and water recycling in Manchester, and a greater number of trees and a higher focus on recreation in Poznań. The consequences of these basic differences are discussed in terms of the ecosystem services that are provided by the two different AG types, and parks. In terms of ecology, there is higher species richness on AGs with a greater proportion of neophytes, which may potentially spread into cities. The species recorded in parks and AGs contained a lot of native characteristics of urban, ruderal plant communities.Item Geodiversity and biodiversity of the postglacial landscape (Dębnica River catchment, Poland)(Wydział Nauk Geograficznych i Geologicznych Uniwersytetu im. Adama Mickiewicza, 2016) Najwer, Alicja; Borysiak, Janina; Gudowicz, Joanna; Mazurek, Małgorzata; Zwoliński, ZbigniewThe preparation of a proper zoning plan or landscape-ecological plan requires taking into account recogni- tion of the natural values of an area covered by the plan and evaluating its abiotic and biotic diversities. The aim of the paper is to present the new approach to the procedure of geodiversity and biodiversity assessment. This procedure is used to characterise abiotic and biotic heterogeneity of the postglacial landscape modifed by a man, tested on Dębnica River catchment (Western Pomerania, Poland). This catchment is a representative example illustrating the landscape of Central European Plain. The analytical algorithm of the geodiversity assessment is based on appropriate selection of the evaluation criteria: lithological, relative heights, landform fragmentation, hydrographical elements and mesocli- matic conditions. Biodiversity was assessed on the basis of real vegetation, potential natural vegetation and the degree of anthropisation of the natural vegetation with respect to syngenesis of plant associations. Seven factor maps were obtained: fve for the diversity of abiotic elements, and two for the diversity of biotic elements, which became the basis for the creation of total geodiversity and biodiversity maps. Maps produced in accordance with given methodology may fnd a wide range of applications.Item Hydrogeochemical and biogeochemical processes in Kaffiøyra river catchments (Spitsbergen, Norway)(Wydział Nauk Geograficznych i Geologicznych Uniwersytetu im. Adama Mickiewicza, 2015) Borysiak, Janina; Grześ, Marek; Pulina, Marian; Szpikowska, GrażynaThe paper presents the results of hydrogeochemical and biogeochemical studies in the area of Kaffiøyra river catchments in the ablation season 2004. Vegetation, hydrological regime, mineralization and ionic composition of circulating waters, rate of annual chemical denudation and biogenic CO2 content in soil air in relation to the concentration of dissolved and transported HCO3- ions were documented. The waters represented the type HCO3- – SO42- – Ca2+ – Mg2+. Most of ions showed a good correlation with electrical conductivity. A good correlation between dissolved and transported mass and the discharge was shown. The value of the chemical denudation in non-glacierized catchments of the Kaffiøyra plain was 0.07 and 0.13 t km–2 d–1, in glacierized catchment – 0,21 t km–2 d–1. The biogenic CO2 concentrations in tundra soil air ranged from 0.03–0.08%, while the average was 0.046%. The mean rate of CO2 ionic transport was 3 kg d–1, while of HCO3- – 0.63 t d–1. A low correlation between the concentration of biogenic CO2 in soil air and HCO3- was found, which indicates the involvement of other, unexamined bio- and physico-chemical processes.