Analysing the Impacts of Various Environmental Parameters on the Biodiversity Status of Major Habitats

Lisa Winter, Markus Berger, Nikolay Minkov and Matthias Finkbeiner
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Lisa Winter: Department of Environmental Technology, Technische Universität Berlin, Berlin 10623, Germany
Markus Berger: Department of Environmental Technology, Technische Universität Berlin, Berlin 10623, Germany
Nikolay Minkov: Department of Environmental Technology, Technische Universität Berlin, Berlin 10623, Germany
Matthias Finkbeiner: Department of Environmental Technology, Technische Universität Berlin, Berlin 10623, Germany

Sustainability, 2017, vol. 9, issue 10, 1-14

Abstract: Background : Anthropogenic impacts on the environment often result in loss of biodiversity. However, the effects of different parameters (such as soil pH) on biodiversity, which can be influenced by human activities, are poorly investigated on a global scale. The paper at hand proposes an approach to examine the relationship between biodiversity and several parameters, which can be anthropogenically influenced, on a major habitat scale. The goal is to describe the relationship of a single parameter and biodiversity by means of a mathematical model within one major habitat. Methods : Geographic information system (GIS) data for the parameters “mean soil pH”, “mean share of cultivated land” and “mean temperature in June” for the whole world were overlaid with GIS data for the ecoregions proposed by the World Wide Fund for Nature (WWF). By means of the software ArcGIS 10.4 (Esri Deutschland GmbH, Kranzberg, Germany), an average parameter value per ecoregion for all considered parameters was determined. Moreover, the index “biodiversity status” was introduced and determined for every ecoregion by means of the indicators “number of species”, “number of endemic species”, and “mean share of grassland and forest” for each ecoregion. As all ecoregions can be assigned to one of the 14 major habitats (as defined by the WWF), a Kruskal–Wallis test was conducted to analyse whether the parameters and the biodiversity status’ differentiate between the 14 major habitats. A mathematical model, which depicts the impact of the parameters on biodiversity, was established by means of curve fitting. Results : The Kruskal–Wallis test reveals that a significant difference ( p -value of 0.000) regarding the considered parameter and the biodiversity status exists between the different major habitats. By means of a regression analysis and curve fitting, mathematical models were developed which describe the relation of the biodiversity status and the parameters for 14 major habitats.

Keywords: biodiversity; biodiversity impact assessment; regression analysis; curve fitting; soil pH; share of cultivated land; temperature (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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