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The 'habitat provision' index for assessing floodplain biodiversity and restoration potential as an ecosystem service - method and application

Citation

Fischer, C and Damm, C and Foeckler, F and Gelhaus, M and Gerstner, L and Harris, RMB and Hoffmann, TG and Iwanowski, J and Kasperidus, H and Mehl, D and Podschun, SA and Rumm, A and Stammel, B and Scholz, M, The 'habitat provision' index for assessing floodplain biodiversity and restoration potential as an ecosystem service - method and application, Frontiers in Ecology and Evolution, 7 Article 483. ISSN 2296-701X (2019) [Refereed Article]


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Copyright Statement

Copyright 2019 Fischer, Damm, Foeckler, Gelhaus, Gerstner, Harris, Hoffmann, Iwanowski, Kasperidus, Mehl, Podschun, Rumm, Stammel and Scholz. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

DOI: doi:10.3389/fevo.2019.00483

Abstract

River floodplains provide a large number of ecosystem services (ESSs) for human societies. However, human manipulations of rivers and floodplains have led to the loss of many ESSs, including the provision of habitats for typical floodplain flora and fauna. To quantify such losses, we present a new index, which incorporates the functional and structural quality of riverine and alluvial habitats and their communities. The assessment is based on publicly available biotic and abiotic data at a local scale (e.g., habitat type mapping, species data). The new evaluation method consists of three steps: First, an evaluation at habitat type level is done by using well-established assessment criteria (e.g., groundwater dependence, legal protection status, regenerability). Secondly, the individual habitats are assessed based on specific quality characteristics (e.g., presence of protected birds or backwater influence). Finally, these values are aggregated within 1-km floodplain compartments weighted by their spatial expansion. The index uses a five-step value to describe the importance of a floodplain area for typical species and habitats from "very high" (=5) to "very low" (=1). The aim of this "habitat provision index" is to provide a tool for planners and decision makers to compare and analyze the effects of past or future measures. The methodical approach is tested for two rivers: the Nahe and the Rhine. The performance of the index is analyzed by comparing the current conditions (status quo) against two different scenarios. The index is validated and shown to be sensitive to different water management scenarios (river restoration and technical polder scenario for flood risk enhancement), with both scenarios showing an improvement in the habitat provision value.

Item Details

Item Type:Refereed Article
Keywords:regulating ecosystem service, species and habitats, habitat types, scenario, assessment. extreme events, floodplain community, climate change
Research Division:Environmental Sciences
Research Group:Ecological Applications
Research Field:Ecological Impacts of Climate Change
Objective Division:Environment
Objective Group:Climate and Climate Change
Objective Field:Ecosystem Adaptation to Climate Change
UTAS Author:Harris, RMB (Dr Rebecca Harris)
ID Code:139416
Year Published:2019
Web of Science® Times Cited:1
Deposited By:Geography and Spatial Science
Deposited On:2020-06-15
Last Modified:2020-07-31
Downloads:0

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