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Regional or global? The question of low-emission food sourcing addressed with spatial optimization modelling

Titelangaben

Kreidenweis, Ulrich ; Lautenbach, Sven ; Koellner, Thomas:
Regional or global? The question of low-emission food sourcing addressed with spatial optimization modelling.
In: Environmental Modelling & Software. Bd. 82 (2016) . - S. 128-141.
ISSN 1364-8152
DOI: https://doi.org/10.1016/j.envsoft.2016.04.020

Volltext

Link zum Volltext (externe URL): Volltext

Abstract

Does producing staple food locally cause fewer greenhouse gas emissions than food sourced through imports from another continent? To address this question we used a spatial optimization approach that minimized greenhouse gas emissions from production and transport of five food commodities (barley, maize, oil, sugar and wheat) and compared this to a setting of local production where distances between production and consumption were minimized. We focused on the example of two countries – Brazil and Germany – in order to allow modelling at high spatial resolution. In the model, a minimization of greenhouse gas emissions led to an allocation of large shares of production to locations abroad. In contrast, the local production case, optimized on distance only, resulted in higher greenhouse gas emissions. Our findings show that despite additional transport needs for imports, specialization of countries on the production of specified crops can represent a low climate impact strategy.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Zusätzliche Informationen: BAYCEER136110
Keywords: Local food; Food miles; Staple crops; Optimization modelling; Life cycle assessment; Greenhouse gases
Institutionen der Universität: Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Professur Ecological Services > Professur Ecological Services - Univ.-Prof. Dr. Thomas Köllner
Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Professur Ecological Services
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 550 Geowissenschaften, Geologie
Eingestellt am: 04 Mai 2016 11:36
Letzte Änderung: 14 Aug 2023 13:26
URI: https://eref.uni-bayreuth.de/id/eprint/32308