RESUMO
Sustainable intensification in agriculture (SI) is a realistic pathway to ensure global food security and deal with famine, poverty, and climate change. We constructed a SI research framework using methods such as literature, induction, and deduction. We reviewed the progress of SI research from four aspects, including the conceptual origin, index system, research scale, and evaluation methods. We discussed the future development path to provide reference for deepening related research of SI and its relation from the multi-disciplinary angle. There are many kinds of research on SI across the world, which give rich connotations to SI based on multiple dimensions of productivity, economy, environment, and society. The evaluation of SI involves productivity, economy, environment, human and society. It has formed a comprehensive evaluation system such as material input, resource productivity, environmental and economic efficiency, and other multiple indicators. Moreover, the evaluation methods of SI mainly include the factor comprehensive evaluation method and index model evaluation method. Studies on SI are not abundant in China, which needs to be enriched. We should break through the constraints of traditional theoretical and methodological frameworks, focus on the transformative scientific issues brought by international development, and explore the research paradigm of SI from the cross-disciplinary perspective.
Assuntos
Agricultura , Conservação dos Recursos Naturais , Humanos , Conservação dos Recursos Naturais/métodos , Agricultura/métodos , ChinaRESUMO
Under the theoretical framework of sustainable intensification of agricultural land-use (SIALU), We used material flow analysis (MFA) method to establish evaluation index system for SIALU by utilizing data in 2000, 2005, 2010 and 2015 to quantify the level of SIALU of 17 cities in Shandong Province, and analyzed the variation in input-output of resources factors of agricultural land, spatial distribution of resource productivity and environmental economic efficiency, in order to reveal spatial-temporal differentiation of SIALU. Results showed that the direct material input to agricultural lands decreased, whereas hidden flow, stock and pollutant emissions increased gradually from 2000 to 2015. The material productivity of all cities in the province showed that the coastal areas in the peninsula were relatively lower than the southern region, and the level of material productivity in the northwest region was relatively higher. Environmental economic efficiency was gradually enhanced, and the western region was relatively higher than coastal area of the peninsula. During the period examined here, the spatial pattern of SIALU of various cities showed clustered distribution change, with the western region tending to gradually increase and the eastern region tending to gradually reduce. The dynamics of SIALU among different regions were divided into six grades: Northwestern Shandong > Northern Shandong > Southwestern Shandong > Southern Shandong > Central Shandong > Coastal areas of Shandong Peninsula.
