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. 2023 Apr 18;13(1):6283.
doi: 10.1038/s41598-023-33378-7.

Impacts on water quality in the peatland dominated catchment due to foreseen changes in Nordic Bioeconomy Pathways

Joy Bhattacharjee  1 , Hannu Marttila  2 , Eugenio Molina Navarro  3 , Artti Juutinen  4 , Anne Tolvanen  4 , Arto Haara  5 , Jouni Karhu  4 , Bjørn Kløve  2
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Impacts on water quality in the peatland dominated catchment due to foreseen changes in Nordic Bioeconomy Pathways

Joy Bhattacharjee et al. Sci Rep. .

Abstract

The Nordic Bioeconomy Pathways (NBPs), conceptualized subsets of Shared Socioeconomic Pathways varying from environmentally friendly to open-market competition scenarios, can lead to plausible stressors in future for using bioresources. This study analysed the impacts of NBPs on hydrology and water quality based on two different land system management attributes: management strategy and a combination of reduced stand management and biomass removal at a catchment-scale projection. To understand the potential impacts of NBPs, the Simojoki catchment in northern Finland was chosen, as the catchment mainly covered peatland forestry. The analysis integrated a stakeholder-driven questionnaire, the Finnish Forest dynamics model, and Soil and Water Assessment Tool to build NBP scenarios, including Greenhouse gas emission pathways, for multiple management attributes to simulate flows, nutrients, and suspended solids (SS). For the catchment management strategy, an annual decrease in nutrients was observed for sustainability and business-as-usual scenarios. Reduced stand management and biomass removal also led to decreased export of nutrients and SS for the same scenarios, whereas, in other NBPs, the export of nutrients and SS increased with decreased evapotranspiration. Although the study was investigated at a local scale, based on the current political and socioeconomic situation, the approach used in this study can be outscaled to assess the use of forest and other bioresources in similar catchments.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Figure 1
Figure 1
A conceptual diagram of each Nordic Bioeconomy Pathway (NBP) based on the detailed descriptions of NBPs.
Figure 2
Figure 2
Detailed processes to implement NBP Scenarios.
Figure 3
Figure 3
Changes in annual flow, nutrients, and SS for the CMS attribute of each NBP compared to NBP 0.
Figure 4
Figure 4
Variations in annual flow, nutrients, and SS for the BMR-SM attribute of each NBP compared to NBP 0. The top panel represents the variations of the modelled response variables from 2031 to 2070 whereas the bottom panel is showing the results of each decade.
Figure 5
Figure 5
A recommended chart to follow for taking a managerial decision.
See this image and copyright information in PMC

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