安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Investigating agricultural water sustainability in arid . . .
SX's annual water supply has gradually increased, averaging about 32 billion m 3 in recent years (Fig 4 (b), line graph), with agricultural water use accounts for 96 % of the total water supply Benefiting from significant temperature fluctuations, SX enjoys favorable agroclimatic conditions and abundant land resources, establishing itself as
- The measurement of water scarcity: Defining a meaningful . . .
Further, MARR also does not account for soil water (“green water”) which can play a critical role in determining agricultural water demand (Rockström and Falkenmark 2015), the sector that globally accounts for the majority of freshwater withdrawals and influences the amount of available blue water resources (Jaramillo and Destouni 2015b)
- y4683e06 - Food and Agriculture Organization
The term “virtual water” was coined in the 1990s in support of a trade and water policy point: for the food security of arid countries, where water is needed for domestic use and in support of the services and industrial sector, it is not necessary to use water for local food production, because the easier and economically more attractive
- The Agriculture Sector in Sub-Saharan Africa and the Promise . . .
In sub-Saharan Africa (SSA), agriculture supports the livelihoods of 90% of the people, represents just under 16% of the region’s gross domestic product (GDP) and accounts for almost 8% of the continent’s export income (worth around USD 40 billion a year) (African Union 2020) However, the contribution of agriculture to total GDP ranges
- A Comprehensive Assessment of Water Management in Agriculture
A Comprehensive Assessment of Water Management in Agriculture Edited by David Molden for Summary IWMI Standalone Summary 021407 i1 1 2 14 07 12:24:20 PM
- Feeding the future global population | Nature Communications
Climate change is exacerbating challenges both for global food production and from its environmental impacts Sustainable and socially responsible solutions for future world-wide food security are
- Water footprint and virtual water flows from the Global South . . .
In addition, Chilean agriculture determines both the country's water resources sustainability and the sovereignty of regions regarding water governance, as it uses about 3 2 million ha – an area that accounts for 73 % of consumptive extractions – with an increase in water needs from 4 % to 18 % between 2011 and 2019 (MMA, 2020), allowing
|
|
|