OO analysed the literature data and test results and contributed to the sections 'Background' and 'Conclusions' and the 'References'.
This manuscript comprises the theoretical background and conclusions made in a project initiated and published by the German Federal Environment Agency (see also "Acknowledgments").
Then, according to the results associated with the current background and conclusions from the literature, this paper will discuss the possible reasons and explanations for temporal spatial transformation in biogas production, and also give corresponding policy implications and strategies in the final part of the paper.
DR wrote background and conclusions regarding translational research projects and objectives.
SAP was involved in manuscript development, assisted in background research, performed statistical analyses, participated in writing both the background and conclusions, and provided final approval of manuscript content.
VDRV wrote the background, discussion and conclusion section.
TD has made contributions to conception and design, interpretation of data; conducted the literature review and drafted the background, discussion and conclusion sections of the manuscript.
Author: DeGabriele, J.; Keast, G.; Msukwa, C. Background: Findings and Conclusions 1.
DJB contributed to writing survey instrument content, coauthored the Background, Discussion, and Conclusions sections, and co-edited the manuscript.
MZ contributed to the study design and the analytical approach, contributed to the interpretation, and wrote most of the Background, Discussion, and Conclusions sections.
ME edited all drafts of the paper and contributed to the analysis plan, interpretation of results with particular attention to the background section and conclusions.
