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Use,calibration and verification of agroecologicalmodels for boreal environments:A review

Grassland Research 2022年第1期1卷 14-30页

作者： Daniel Forster Samuli Helama Matthew T.Harrison clarence alan rotz Jinfeng Chang Phillippe Ciais Elizabeth Pattey Perttu Virkajärvi Narasinha Shurpali Production Systems/Grasslands and Sustainable Farming Natural Resources Institute Finland(LUKE)MaaninkaFinland Natural Resources Institute Finland(Luke) RovaniemiFinland Tasmanian Institute of Agriculture University of TasmaniaLauncestonTasmaniaAustralia USDA/Agricultural Research Service University ParkPennsylvaniaUSA College of Environmental and Resource Sciences Zhejiang UniversityHangzhouChina Laboratoire des Sciences du Climat et de l'Environnment LSCE/IPSLCEA-CNRS-UVSQUniversitéParis-SaclayGif-sur-YvetteFrance Agriculture and Agri-Food Canada Ottawa Research and Development CentreCentral Experimental FarmOttawaOntarioCanada

Past assessments report negative impacts of the climate crisis in boreal areas;but milder and shorter winters and elevated atmospheric CO_(2) may provide opportunities for agricultural productivity potentially playing a significant role in future food *** cropping systems are expanding in boreal areas,but the regional mainstay will likely continue to be livestock *** models can when appropriately calibrated and evaluated,facilitate improved productivity while minimising environmental impacts by identifying system interactions,and quantifying greenhouse gas emissions,soil carbon stocks and fertiliser *** models designed for temperate and tropical zones abound,few are developed specifically for boreal zones,and there is uncertainty around the performance of existing models in boreal *** reviewed model performance across boreal environments and management *** identified a dearth of modelling studies in boreal regions,with the publication of three or less papers per year since the year 2000,constituting a significant research *** IFSM and BASGRA_N performed best in grassland production,DNDC best in predicting soil N_(2)O and NH_(3) *** model outperformed all others,strengthening the case for ensemble *** agroecological models would be worthy of further evaluation,providing model improvements designed for boreal systems.

关键词： boreal region carbon-nitrogen cycling ecophysiological modelling greenhouse gas emissions soil carbon

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