scholarly journals Shifting Hazards: Footprint trends of the German Bioeconomy

Author(s):  
Stefan Bringezu ◽  
Martin Distelkamp ◽  
Christian Lutz ◽  
Florian Wimmer ◽  
Rüdiger Schaldach ◽  
...  

Abstract Hoping to support sustainability, many countries established policies to foster bioeconomy (BE). While shifting towards more biomass use bears chances and risks, appropriate monitoring is still lacking. Here we show for the first time global key environmental footprints (FPs) of the German BE. From 2000 to 2030, the agricultural biomass FP is dominated by animal-based food consumption, which is slightly declining. Forest biomass FP of consumption could be potentially supplied from domestic territory. Agricultural land use for consumption is triple of domestic agricultural land (which covers half of Germany), having induced significant land use change in other regions from 2000 to 2015. Water FP for irrigation has decreased and might decline in absolute terms, but the share of supply regions with water stress might increase until 2030. The climate FP of BE contributes 20 to 18 % to the total climate FP of domestic consumption, while employment makes up 10 % and value added only 8 % of total.

Author(s):  
Nguyễn Văn Bình ◽  
Thi Quý Phú ◽  
Nguyễn Phúc Khoa

Ngành nông nghiệp đóng vai trò quan trọng trong cơ cấu kinh tế của thành phố Đà Lạt. Các loại hình sử dụng đất (LUT) sản xuất nông nghiệp mang lại hiệu quả kinh tế, xã hội, môi trường và cảnh quan đô thị. Tuy nhiên, các loại hình sử dụng đất nông nghiệp chưa được quy hoạch thành vùng chuyên canh cây trồng. Mục tiêu của nghiên cứu là đánh giá hiệu quả sử dụng đất sản xuất nông nghiệp làm cơ sở thực hiện quy hoạch sử dụng đất thành phố Đà Lạt. Hiệu quả sử dụng đất được đánh giá thông qua các chỉ tiêu như giá trị sản xuất, giá trị gia tăng, hiệu quả sản xuất, khả năng thu hút lao động, khả năng tiêu thụ sản phẩm, khả năng cải tạo đất. Kết quả nghiên cứu cho thấy, loại hình sử dụng đất trồng hoa có hiệu quả kinh tế và xã hội cao hơn loại hình sử dụng đất trồng cây ăn quả. Loại hình sử dụng đất trồng cà phê và cây ăn quả có hiệu quả môi trường cao hơn loại hình sử dụng đất trồng rau và hoa. Như vậy, các loại hình sử dụng đất sản xuất nông nghiệp ở thành phố Đà Lạt gồm rau, hoa và chè mang lại hiệu quả kinh tế, xã hội và môi trường cao hơn loại hình sử dụng đất trồng cà phê, cây ăn quả và cây lương thực. ABSTRACT Agriculture plays an important role in the economic structure of Da Lat city. The agricultural land use types (LUT) positively contribute to benefits such as economy, society, environment and urban landscape. However, various types of agricultural land use have not yet been planned for cultivation areas. The objective of the study was to evaluate the eficiency of agricultural land which could be applied in land use planning in Da Lat city. Land use efficiency was assessed through criteria such as productive value, added value, productive efficiency, ability to attract workers, consume products and improve land. The research results showed that the type of land use for flowers cultivation had higher economic and social efficiency than the type of land use for fruits tree. The type of land use for coffee and fruits tree had more environmental efficiency than the type of land use for vegetables and flowers. Therefore, the types of agricultural land use in Da Lat city such as vegetables, flowers and tea have brought economic, social and environmental efficiency higher than the type of land use for coffee, fruits tree and annual crops.


2017 ◽  
Vol 15 (4) ◽  
pp. 833-846 ◽  
Author(s):  
S. H. Gheewala ◽  
T. Silalertruksa ◽  
P. Nilsalab ◽  
N. Lecksiwilai ◽  
W. Sawaengsak ◽  
...  

2008 ◽  
Vol 17 (2) ◽  
pp. 127 ◽  
Author(s):  
H. RISKU-NORJA ◽  
R. HIETALA ◽  
H. VIRTANEN

The potential for and environmental consequences of localising primary production of food were investigated by considering different food consumption patterns, based on conventional and organic production. Environmental impact was assessed according to agricultural land use and numbers of production animals, both of which depend on food consumption. The results were quantified in terms of nutrient balances, greenhouse gas and acid emissions and the diversity of crop cultivation, which indicate eutrophication of watersheds, climate change and landscape changes, respectively. The study region was able to satisfy its own needs for all farming and food consumption scenarios. Dietary choice had a marked impact on agricultural land use and on the environmental parameters considered. Organic farming for local food production resulted in higher greenhouse gas emissions. Compared with mixed diets, the vegetarian diet was associated with lower emissions and nutrient surpluses, but also with reduced crop diversity. The arable areas allocated to leys and pastures were also smaller. The study area represents a predominantly rural region and is a net exporter of agricultural produce. Therefore, only part of the environmental impact of food production results from local needs. Both the differences among the dietary options and the overall environmental benefit of localised primary food production were greatly reduced when considering total agricultural production of the region. Much of the negative impact of agriculture is due to food consumption in the densely populated urban areas, but the consequences are mainly felt in the production areas. The environmental impacts of localisation of primary food production for the rural areas are small and inconsistent. The results indicate the importance of defining ‘local’ on a regional basis and including the urban food sinks in impact assessment.;


2010 ◽  
Vol 17 (1) ◽  
pp. 23-39 ◽  
Author(s):  
Eveline S. Van Leeuwen ◽  
Dirk Strijker ◽  
Ida J. Terluin

Both traditional (von Thünen) and modern (Hayami & Ruttan, Krugman) theories on land use suggest that productions with a high value added per unit of land tend to be located near urban centres. In this article it is tested to what extent these theoretical findings are confirmed by empirical data on agricultural land use and production for the EU-9. The focus is not only on the degree of concentration and specialisation, but also on their development over time. Growth and decline of agricultural productions are here related to the degree of rurality. It is found that high value productions indeed tend to be located in urban regions. It is also found that most specialisation patterns that already existed in 1950 are even stronger in 2000.


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