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International Food and Feed Trade an...

Wang, Jingmeng.

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International Food and Feed Trade and Nutrient Cycling and Balances - Exploring Relationships at Country Level.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	International Food and Feed Trade and Nutrient Cycling and Balances - Exploring Relationships at Country Level./
作者:	Wang, Jingmeng.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
面頁冊數:	222 p.
附註:	Source: Dissertations Abstracts International, Volume: 85-06, Section: A.
Contained By:	Dissertations Abstracts International85-06A.
標題:	Livestock. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30735075
ISBN:	9798381022940

International Food and Feed Trade and Nutrient Cycling and Balances - Exploring Relationships at Country Level.
Wang, Jingmeng.

International Food and Feed Trade and Nutrient Cycling and Balances - Exploring Relationships at Country Level. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 222 p.

Source: Dissertations Abstracts International, Volume: 85-06, Section: A.

Thesis (Ph.D.)--Wageningen University and Research, 2023.

1.1 BackgroundGlobal food security and environmental sustainability are major scientific and political issues. The prevalence of severe food insecurity and moderate food insecurity in the world has been increasing during the period 2014-2019, especially in Africa, Asia, and Latin America (FAO, IFAD, UNICEF, WFP and WHO, 2020). Current impacts of food production systems on the environment, notably on biodiversity loss, climate change. land degradation, and water pollution are large in many areas of the world (e.g.. Clark et al., 2020; Galloway et al., 2008; Leip et al., 2015). The grand challenge is how to feed the growing human population with adequate amounts of nutritious food. using limited agricultural resources, such as land, water and nutrients, and with minimal nutrient losses and greenhouse gas emissions to the wider environment (Parry and Hawkesford, 2010; Schneider et al., 2018; Springmann et al., 2018). The world will likely have to produce 70 to 100% more food when the human population is expected to reach 9-10 billion by 2050 (FAO, 2009; Tilman et al., 2011; van Dijk et al., 2021). Further, the rising affluence of people in some developing countries shifts human diets towards more animal-derived food, and this shift will also add to the aforementioned grand challenge (Kastner et al., 2012: Smil, 2001).To ensure global food security with environmentally sustainable practices, it is required that food production and resource use efficiency are increased simultaneously (Tilman et al., 2003; Godfray et al., 2010). The latter holds especially for land, water, energy and nutrients. Current resources use have in part already exceeded their regeneration rate and have transgressed so-called planetary boundaries (Conijn et al., 2018; Steffen et al., 2015). This holds especially for nitrogen (N) and phosphorus (P), which are essential nutrients for all life on earth, and which play key roles in food systems and natural ecosystems (Campbell et al., 2017; Steffen et al., 2015). Yet, the use of N and P in food production may have to increase further by more than 50%, so as to meet the increasing food demand by 2050 (Springmann et al., 2018).Increased recycling of nutrients in food system and decreased nutrient losses from food systems may help to increase nutrient use efficiency and thereby can could help to decrease the need for additional N and P inputs (Cordell & White, 2014; Mueller et al., 2017; Sutton et al., 2013). Increasing nutrient recycling and nutrient use efficiency may also reduce related GHG emissions and other environmental pollutions (Springmann et al., 2018; Zou et al., 2022). Improving N and P use efficiency of food systems while producing adequate amounts of nutritious food is also key to achieving several United Nation Sustainable Development Goals (UN-SDGs), including SDG2, SDG3, SDG6, SDG13, SDG14 and SDGI5. This requires also that we have to increase our understanding of how human activities affect nutrient flows and use in food production- consumption chains, and how nutrient recycling and use efficiency can be increased effectively and efficiently.

ISBN: 9798381022940Subjects--Topical Terms:

539534
Livestock.

International Food and Feed Trade and Nutrient Cycling and Balances - Exploring Relationships at Country Level.
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