scholarly journals Biofuel production potentials in Europe: Sustainable use of cultivated land and pastures. Part I: Land productivity potentials

2010 ◽  
Vol 34 (2) ◽  
pp. 159-172 ◽  
Author(s):  
Günther Fischer ◽  
Sylvia Prieler ◽  
Harrij van Velthuizen ◽  
Sander M. Lensink ◽  
Marc Londo ◽  
...  
Keyword(s):  
Sustainable Use ◽  
Biofuel Production ◽  
Cultivated Land ◽  
Land Productivity

scholarly journals Biofuel production potentials in Europe: Sustainable use of cultivated land and pastures, Part II: Land use scenarios

2010 ◽  
Vol 34 (2) ◽  
pp. 173-187 ◽  
Author(s):  
Günther Fischer ◽  
Sylvia Prieler ◽  
Harrij van Velthuizen ◽  
Göran Berndes ◽  
André Faaij ◽  
...  
Keyword(s):  
Land Use ◽  
Sustainable Use ◽  
Biofuel Production ◽  
Cultivated Land ◽  
Land Use Scenarios

scholarly journals Assessment of Cultivated Land Productivity and Its Spatial Differentiation in Dongting Lake Region: A Case Study of Yuanjiang City, Hunan Province

2018 ◽  
Vol 10 (10) ◽  
pp. 3616 ◽  
Author(s):  
Chong Zhao ◽  
Yong Zhou ◽  
Xigui Li ◽  
Pengnan Xiao ◽  
Jinhui Jiang
Keyword(s):  
Land Use ◽  
Spatial Distribution ◽  
Sustainable Use ◽  
Production Capacity ◽  
Spatial Differentiation ◽  
Hunan Province ◽  
Productivity Index ◽  
Cultivated Land ◽  
Grain Production ◽  
Land Productivity

Cultivated land is an important carrier of grain production, and scientific assessing of cultivated land productivity is of great significance to ensure food security. This paper assessed the overall productivity of cultivated land in Yuanjiang city from the perspectives of quantitative structure, spatial distribution and correlation with national land use. We applied statistical and GIS (geographic information system) spatial analysis methods to 16 secondary indicators of productivity. The results showed that the productivity index of cultivated land ranged from 1642.79 to 4140.09, concentrated in classes 2–6, among the most productive of 15 classes in total. The cultivated productivity indexes of most towns showed quantitative structural patterns of “inverted pyramid” and “dumbbell” types. Cultivated lands with high productivity showed a spatial distribution that decreased from the north to the south and increased from the center to the periphery. The spatial distribution of the higher-level classes in the cultivated land productivity index and the national cultivated land use index was similar. The correlation coefficient between the indexes for cultivated land productivity and the annual standard crop yield was 0.8817, implying that the index reflected local grain production capacity very well. In general, the research offered a reference and technical support for the sustainable use of cultivated land resources and enhanced regional cultivated land production capacity.

scholarly journals Evaluating Ecosystems Services Values due to Land use Transformation in the Gojeb Sub-basin, Southwest Ethiopia

2021 ◽  
Author(s):  
Hailu Shiferaw ◽  
Tena Alamirew ◽  
Tibebu Kassawmar ◽  
Gete Zeleke
Keyword(s):  
Land Use ◽  
Sustainable Use ◽  
Land Use Land Cover ◽  
Cultivated Land ◽  
Policy Makers ◽  
Use Of Resources ◽  
Small Holder Farmers ◽  
Hydropower Production ◽  
Land Use Transformation ◽  
Hydropower Reservoir

Abstract BackgroundLand use land cover (LULC) transformation and ecosystems service valuation (ESVs) play important roles for vegetation restoration and payment for ecosystems service (PES) programs. The objective of this work was to quantify LULC transformations and associated ESVs in the Gojeb sub-basin by analyzing LULC between 1986 and 2016 using satellite images, field observations and ancillary datasets. ResultsThe summarized LULC classes are: bareland, cropland, grassland, forest, plantation, settlement, shrub, water-body and woodland. The ESVs were evaluated for each LULC based on these LULC classes. Forests had the highest cover (> 423000ha ~60%) in 1986 but it reduced to 317000ha (~45%) in 2016. About >56000ha of forests were changed to cultivated land, and >105000ha to different classes. Cultivated land increased from >258000ha (~37%) in 2016 compared to 150000ha (~21.5%) in 1986. The sub-basin had ESVs of US$2.52 billion in 1986 but decreased to US$1.97 billion in 2016; losing about US$0.551 billion within the last 30 years (annual loss rate of US$18.4 million). Potential drivers would be agricultural expansion, land degradation/erosion, landslide and deforestation, indicating that requires concerted effort to restore and manage landscapes for sustainable socio-ecological and economic uses.ConclusionThis study is meaningful for management of natural resources in the catchment, improvement of hydropower production and lifespan of the hydropower reservoir on one hand and productivity of small holder farmers and inhabitants in the basin on the other besides to the lesson learned to other similar basins. Hence, payment for ecosystems service scheme is recommended as a win-win approach to be implemented between upper and downstream users for sustainable use of resources. This study assist policy makers in designing evidence-based solutions for PES programs in the study area and elsewhere.

scholarly journals Species Diversity and Distribution Pattern of Grassland and Cultivated Land Species in Upper Manang, Nepal Trans-Himalayas

1970 ◽  
Vol 7 (7) ◽  
pp. 76-79 ◽  
Author(s):  
Kuber Prasad Bhatta ◽  
Ram Prasad Chaudhary
Keyword(s):  
Species Richness ◽  
Species Diversity ◽  
Biological Diversity ◽  
Polynomial Regression ◽  
Elevation Gradient ◽  
Sustainable Use ◽  
Floristic Composition ◽  
Species Level ◽  
Cultivated Land ◽  
Angiosperm Species

One of the easiest and the most common way to estimate the biological diversity at a place is to enumerate the organisms at species level, which helps to find the basic patterns of biodiversity at the place. A sound knowledge on floristic composition of particular area is essential to understand the resources, their sustainable use and conservation purposes. Altogether 600 specimens were collected from the Upper Manang area covering an elevation gradient of 2600m to 5200m from sea level, and of which 220 species belonging to 138 genera and 50 families were identified up to species level and used to estimate species richness. Of the total identified species, greatest diversity was found within the families Compositae and Labiatae, comprising 14 and 11 genera, respectively. Similarly, the greatest species diversity was found within the genera Potentilla (12 species) and Primula (6 species). Second order polynomial regression showed unimodal pattern of species richness along elevation gradient, showing greatest species richness between 3500m to 4000m altitude, whereas no any angiosperm species was encountered beyond 5100m. Key words: Species diversity; Grassland; Cultivated land; Manang. DOI: 10.3126/sw.v7i7.3831 Scientific World Vol.7(7) 2009 pp.76-79

scholarly journals Analysis of Changes and Potential Characteristics of Cultivated Land Productivity based on MODIS EVI: A Case Study of Jiangsu Province, China

2019 ◽  
Vol 11 (17) ◽  
pp. 2041 ◽  
Author(s):  
Xu ◽  
Jin ◽  
Jin ◽  
Xiao ◽  
Ren ◽  
...  
Keyword(s):  
Cropping Systems ◽  
Cropping System ◽  
Jiangsu Province ◽  
Potential Space ◽  
Cultivated Land ◽  
Land Productivity ◽  
Multiple Cropping ◽  
Double Cropping ◽  
Modis Evi ◽  
Productivity Potential

Cultivated land productivity is a basic guarantee of food security. This study extracted the multiple cropping index (MCI) and most active days (MAD, i.e., days when the EVI exceeded a threshold) based on crop growth EVI curves to analyse the changes and potential characteristics of cultivated land productivity in Jiangsu Province during 2001–2017. The results are as follows: (1) The MCI of 83.8% of cultivated land remained unchanged in Jiangsu, the cultivated land with changed MCI (16.2%) was mainly concentrated in the southern and eastern coastal areas of Jiangsu, and the main cropping systems were single and double seasons. (2) The changes in cultivated land productivity were significant and had an obvious spatial distribution. The areas where the productivity of single cropping system changed occupied 67.8% of the total cultivated land of single cropping system, and the decreased areas (46.5%) were concentrated in southern Jiangsu. (3) For double cropping systems, the percentages of the changed productivity areas accounting for cultivated land were 82.7% and 73.3%. The decreased areas were distributed in central Jiangsu. In addition, the productivity of the first crop showed an overall (72%) increasing trend and increased areas (40.8%) of the second crop were found in northern Jiangsu. (4) During 2001–2017, cultivated land productivity greatly improved in Jiangsu. In the areas where productivity increased, the proportions of cultivated land with productivity potential space greater than 20% in single and double cropping systems were greater than 60% and 90%, respectively. In the areas where productivity decreased, greater than 25% and 75% of cultivated land had potential space in greater than 80% of the single and double cropping systems, respectively. This result shows that productivity still has much room for development in Jiangsu. This study provides new insight for studying cultivated land productivity and provides references for guiding agricultural production.

scholarly journals Small farmer’ planting confidence and willingness to pay for leguminous green fertilizer: environmental attributes perspective

2021 ◽  
pp. 1-20
Author(s):  
Wang Xin ◽  
Song Yanping ◽  
Li Tan
Keyword(s):  
Willingness To Pay ◽  
Green Manure ◽  
Sustainable Use ◽  
Small Farmers ◽  
Cultivated Land ◽  
Key Factors ◽  
Small Farmer ◽  
Environmental Attributes ◽  
Experiment Method ◽  
Part Time

To evaluate whether small farmers are willing to accept the policy of sustainable use of cultivated land such as green manure planting, we analyze the payment preference and the source of heterogeneity of small farmer’ environmental attributes of leguminous green manure. A choice experiment method is conducted to learn about small farmer’ preference toward green manure. The results suggest that small farmers with planting confidence are willing to pay for different environmental attributes of leguminous green manure. Among them, the willingness to pay (WTP) for the quality and fertility of cultivated land is the highest, and the WTP for air quality is the lowest. Small farmers who do not have confidence in planting are only willing to pay for attribute of natural disaster days. We identify key factors that might influence small farmer’s payment preference, including gender, age, education level, degree of part-time employment, and the trend perception of environmental change.

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