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Title:   Author  item
                                            Gollany, Heroitem
                                            TITUS, BRIAN - Canadian Forest Serviceitem
                                            SCOTT, ANDREW - Us Forest Service (FS)item
                                            ASBJORNSEN, HEIDI - University Of New Hampshireitem
                                            RESH, SIGRID - Michigan Technological Universityitem
                                            CHIMNER, RODNEY - Michigan Technological Universityitem
                                            KACZMAREK, DONALD - Retired Non ARS Employeeitem
                                            LEITE, LUIZ - Embrapaitem
                                            FERREIRA, ANN - Embrapaitem
                                            ROD, KENTON - Washington State Universityitem
                                            HILBERT, JORGE - Instituto Nacional Tecnologia Agropecuariaitem
                                            GALDOS, MARCELO - Brazilian Bioethanol Science & Technology Laboratoryitem
                                            CISZ, MICHELLE - Michigan Technological University
  Submitted to: Environmental Management
                                    Publication Type: Peer Reviewed Journal
                                    Publication Acceptance Date: 5/3/2015
                                    Publication  Date: 5/26/2015
                                    Publication URL: http://handle.nal.usda.gov/10113/4492895Citation: Gollany, H.T., Titus, B.D., Scott, A., Asbjornsen, H., Resh, S., Chimner, R.A., Kaczmarek, D.J., Leite, L., Ferreira, A.C., Rod, K., Hilbert, J., Galdos, M.V., Cisz, M. 2015. Biogeochemical research priorities for sustainable biofuel and bioenergy feedstock production in the Americas. Environmental Management. 56(6):1330-1355. https://doi.org/10.1007/s00267-015-0536-7.DOI: https://doi.org/10.1007/s00267-015-0536-7                                                              
                                Interpretive Summary: Rapid expansion in biomass production for biofuels and bioenergy in the Pan-American region is increasing demands on the ecosystem resources required to sustain soil and site productivity. We review the current state of knowledge and highlight gaps in research on biogeochemical processes and ecosystem sustainability related to biomass production. Biomass production systems incrementally remove greater quantities of site organic matter, which in turn affects soil organic matter and associated carbon and nutrient storage (and hence long-term soil productivity) and off-site impacts. While these consequences have been extensively studied for some crops and sites, the ongoing and impending impacts of biomass removal require management strategies for ensuring that soil properties and functions are sustained for all combinations of crops, soils, sites, climates and management systems, and that impacts of biomass management (including off-site impacts) are environmentally acceptable. In a changing global environment, knowledge of cumulative impacts will also become increasingly important. Long-term experiments are essential for key crops, soils and management systems because short-term results do not necessarily reflect long-term impacts, although improved modeling capability may help to predict these impacts. Identification and validation of soil sustainability indicators for both site prescriptions and spatial applications would better inform commercial and policy decisions. In an increasingly inter-related but constrained global context, researchers should engage across inter-disciplinary, inter-agency, and international lines to better ensure long-term soil productivity across a range of scales, from site to landscape [GRACEnet and REAP publication].
                                Technical Abstract: Rapid expansion in biomass production for biofuels and bioenergy in the Americas is increasing demands on the ecosystem resources required to sustain soil and site productivity. We review the current state of knowledge and highlight gaps in research on biogeochemical processes and ecosystem sustainability related to biomass production. Biomass production systems incrementally remove greater quantities of organic matter, which in turn affects soil organic matter and associated carbon and nutrient storage (and hence long-term soil productivity) and off-site impacts. While these consequences have been extensively studied for some crops and sites, the ongoing and impending impacts of biomass removal require management strategies for ensuring that soil properties and functions are sustained for all combinations of crops, soils, sites, climates and management systems, and that impacts of biomass management (including off-site impacts) are environmentally acceptable. In a changing global environment, knowledge of cumulative impacts will also become increasingly important. Long-term experiments are essential for key crops, soils and management systems because short-term results do not necessarily reflect long-term impacts, although improved modeling capability may help to predict these impacts. Identification and validation of soil sustainability indicators for both site prescriptions and spatial applications would better inform commercial and policy decisions. In an increasingly inter-related but constrained global context, researchers should engage across inter-disciplinary, inter-agency, and international lines to better ensure long-term soil productivity across a range of scales, from site to landscape.


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