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  1. AU="van Zanten, Hannah"
  2. AU="Mancebo, Gemma"
  3. AU="Mohammed Shahed Jahan"
  4. AU="Bhatankar, Swaroop"
  5. AU="van Guldener, Coen"
  6. AU=Zhang Yafei
  7. AU="Wright, J. L."
  8. AU="Sharma, Taruna"
  9. AU="Vigl, Julia"
  10. AU="Jiaqi LIU"
  11. AU=Lauterio Andrea
  12. AU=Simon Nathan
  13. AU="Heyba, Mohammed"
  14. AU="Geno, Connie S"
  15. AU=Hussein Ahmed A.
  16. AU="Ringsten, Martin"

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  1. Artikel ; Online: Upcycled non-competing feedstuff.

    van Zanten, Hannah H E

    Nature food

    2022  Band 3, Heft 9, Seite(n) 681

    Sprache Englisch
    Erscheinungsdatum 2022-09-15
    Erscheinungsland England
    Dokumenttyp Journal Article
    ISSN 2662-1355
    ISSN (online) 2662-1355
    DOI 10.1038/s43016-022-00590-z
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Buch ; Online: Vega worden om het klimaat te redden? ‘Hoeft niet per se’

    Candel, Jeroen / van Zanten, Hannah

    2023  

    Schlagwörter Life Science
    Erscheinungsland nl
    Dokumenttyp Buch ; Online
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  3. Buch ; Online: Cornell University

    van Zanten, Hannah / van Selm, Ben

    Study: European diets need to change to reduce climate impact

    2022  

    Schlagwörter Life Science
    Erscheinungsland nl
    Dokumenttyp Buch ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  4. Artikel ; Online: Low-opportunity-cost feed can reduce land-use-related environmental impacts by about one-third in China.

    Fang, Qunchao / Zhang, Xiaoying / Dai, Guichao / Tong, Bingxin / Wang, Hongliang / Oenema, Oene / van Zanten, Hannah H E / Gerber, Pierre / Hou, Yong

    Nature food

    2023  Band 4, Heft 8, Seite(n) 677–685

    Abstract: Feeding animals more low-opportunity-cost feed products (LCFs), such as food waste and by-products, may decrease food-feed competition for cropland. Using a feed allocation optimization model that considers the availability of feed sources and animal ... ...

    Abstract Feeding animals more low-opportunity-cost feed products (LCFs), such as food waste and by-products, may decrease food-feed competition for cropland. Using a feed allocation optimization model that considers the availability of feed sources and animal requirements for protein and energy, we explored the perspectives of feeding more LCFs to animals in China. We found that about one-third of the animal feed consisted of human-edible products, while only 23% of the available LCFs were used as feed during 2009-2013. An increased utilization of LCFs (45-90 Mt) could potentially save 25-32% of feed-producing cropland area without impairing livestock productivity. Parallelly, about one-third of feed-related irrigation water, synthetic fertilizer and greenhouse gas emissions would be saved. Re-allocating the saved cropland could sustain the food energy demand of 30-185 million people. Achieving the potentials of increased LCF use requires improved technology and coordination among stakeholders.
    Mesh-Begriff(e) Animals ; Humans ; Refuse Disposal ; Environment ; Animal Feed/analysis ; Greenhouse Gases ; China
    Chemische Substanzen Greenhouse Gases
    Sprache Englisch
    Erscheinungsdatum 2023-07-31
    Erscheinungsland England
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 2662-1355
    ISSN (online) 2662-1355
    DOI 10.1038/s43016-023-00813-x
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  5. Artikel ; Online: On-farm circular technologies for enhanced sustainability: The case of Uruguay

    Freeman, Katie Kennedy / Valencia, Vivian / Baraldo, Juan / Schulte, Rogier P.O. / van Zanten, Hannah H.E.

    Journal of Cleaner Production. 2022 Oct., v. 372 p.133470-

    2022  

    Abstract: An increasing global population is putting stress on the food system. On-farm technologies to close resource loops will play a role in increasing food production without stressing natural resources. What are these applied on-farm circular technologies ... ...

    Abstract An increasing global population is putting stress on the food system. On-farm technologies to close resource loops will play a role in increasing food production without stressing natural resources. What are these applied on-farm circular technologies and what impact do they have on the food system? This paper develops a framework for defining the potential of on-farm circular technologies for benefits across multiple spatial scales. It then applies the framework to Uruguay to examine what economic and environmental benefits on-farm circular technologies, namely biomass for nutrient cycling (manure management) and on-farm water cycling, can have at multiple spatial scales – on-farm, regionally and nationally. Using data from a government program in Uruguay's most important watershed, the work shows that investments in on-farm manure management technologies yield economic and sustainability benefits that are unequally distributed across scales (Figure 1). It demonstrates that famers only receive a small percentage (16% on average) of the total benefits yielded by manure management and on-farm water cycling technologies, while most benefits (84% on average) occur at regional level. The analysis by technology demonstrates that the benefits of technologies also depend on how they are combined. For example, installing only a waste management pool on-farm increases the GHG emissions, while installing a waste management pool combined with a separator decreases the GHG emissions and magnifies the benefits of reduced water pollution. These findings raise questions regarding whether these technologies should be subsidized since most benefits occur beyond the farm level to the benefit of society. This has implications for how governments and private actors co-finance on-farm technologies to make farming practices more circular and sustainable.
    Schlagwörter animal manure management ; biomass ; farms ; food production ; society ; water pollution ; watersheds ; Uruguay ; Circularity ; Food systems ; Environment ; On-farm technologies ; Agriculture
    Sprache Englisch
    Erscheinungsverlauf 2022-10
    Erscheinungsort Elsevier Ltd
    Dokumenttyp Artikel ; Online
    Anmerkung Use and reproduction
    ISSN 0959-6526
    DOI 10.1016/j.jclepro.2022.133470
    Datenquelle NAL Katalog (AGRICOLA)

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  6. Artikel ; Online: 40:60

    Simon, Wolfram / Hijbeek, Renske / Frehner, Anita / Cardinaals, Renée / Talsma, Elise F. / van Zanten, Hannah

    The optimal ratio between animal and plant-based proteins for health and environment

    2023  

    Abstract: There is currently little agreement on the optimal ratio of animal-sourced (ASP) versus plant-sourced proteins (PSP) in sustainable human diets. We deployed a biophysical optimization model to find the optimal ASP:PSP ratio at current and recommended ... ...

    Abstract There is currently little agreement on the optimal ratio of animal-sourced (ASP) versus plant-sourced proteins (PSP) in sustainable human diets. We deployed a biophysical optimization model to find the optimal ASP:PSP ratio at current and recommended protein intake levels for the EU28 countries. Results show that the lowest environmental impact for both land use and greenhouse gas emissions is achieved at a recommended protein intake of 46 g protein/cap/day with an ASP:PSP ratio of 40:60 (18 g ASP/cap/day). At current protein intake (82 g protein/cap/day), the optimal ASP:PSP ratio for land use ranges evenly between 22:78 and 60:40 (18 and 49 g ASP/cap/day) while for greenhouse gas emissions the optimal ASP:PSP ratio is at 40:60 (18 g ASP/cap/day). Diets containing less than 18 g ASP/cap/day show micronutrient inadequacies, leading to increases in both land use and greenhouse gas emissions.
    Schlagwörter Food security ; food quality and human health ; Air and water emissions
    Thema/Rubrik (Code) 336
    Sprache Englisch
    Erscheinungsland dk
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  7. Artikel ; Online: Farming practices to enhance biodiversity across biomes

    Cozim-Melges, Felipe / Ripoll-Bosch, Raimon / Veen, G.F. / Oggiano, Philipp / Bianchi, Felix / van der Putten, Wim / van Zanten, Hannah

    npj Biodiversity

    a systematic review

    2024  Band 3, Heft 1

    Abstract: Intensive agriculture for food and feed production is a key driver of global biodiversity loss. It is generally assumed that more extensive practices are needed to reconcile food production with biodiversity conservation. In a literature review across ... ...

    Abstract Intensive agriculture for food and feed production is a key driver of global biodiversity loss. It is generally assumed that more extensive practices are needed to reconcile food production with biodiversity conservation. In a literature review across biomes and for seven taxa, we retrieved 35 alternative practices (e.g. no-tillage, cover crops, organic fertilizer) from 331 studies. We found that no single practice enhanced all taxonomic groups, but that overall less intensive agricultural practices are beneficial to biodiversity. Nevertheless, often practices had no effects observed and very rarely contrasting impacts on aboveground versus belowground taxa. Species responses to practices were mostly consistent across biomes, except for fertilization. We conclude that alternative practices generally enhance biodiversity, but there is also variation in impacts depending on taxonomic group or type of practice. This suggests that a careful selection of practices is needed to secure biodiversity across taxa in future food systems worldwide.
    Schlagwörter Life Science
    Thema/Rubrik (Code) 333
    Sprache Englisch
    Erscheinungsland nl
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  8. Artikel ; Online: Producing animal source food with respect for human and planetary health

    Van Zanten, Hannah H.E. / van Selm, Benjamin / Frehner, Anita

    2021  

    Abstract: How can we feed the growing population while respecting the planet? That is the challenge we face today. We currently see an ongoing debate on whether or not it would be better for the environment if we all were to consume a vegan diet. Here, we will ... ...

    Abstract How can we feed the growing population while respecting the planet? That is the challenge we face today. We currently see an ongoing debate on whether or not it would be better for the environment if we all were to consume a vegan diet. Here, we will demonstrate that the consumption of animal source food (ASF) in high-income countries needs to be reduced, but we also acknowledge that animals could play an important role in future food systems if we were to undertake a redesign towards a circular food system. These systems can allow for reduced environmental impacts, while still providing the nutrition needed by the human population.
    Schlagwörter Food security ; food quality and human health ; Animal husbandry ; Environmental aspects
    Sprache Englisch
    Erscheinungsland dk
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  9. Artikel: Integrating the soybean-maize-chicken value chains to attain nutritious diets in Tanzania

    Wilson, Wilson Charles / Slingerland, Maja / Baijukya, Frederick P. / van Zanten, Hannah / Oosting, Simon / Giller, Ken E.

    Food security. 2021 Dec., v. 13, no. 6

    2021  

    Abstract: In Tanzania, diets are dominated by starchy staple crops such as maize, levels of malnutrition are high and largely attributed to lack of dietary diversity. We employed fuzzy cognitive mapping to understand the current soybean, maize and chicken value ... ...

    Abstract In Tanzania, diets are dominated by starchy staple crops such as maize, levels of malnutrition are high and largely attributed to lack of dietary diversity. We employed fuzzy cognitive mapping to understand the current soybean, maize and chicken value chains, to highlight stakeholder relationships and to identify entry points for value chain integration to support nutritious diets in Tanzania. The fuzzy cognitive maps were constructed based on information gathered during household interviews with 569 farming households, followed by a participatory workshop with 54 stakeholders involved in the three value chains. We found that the soybean, maize and chicken value chains were interconnected, particularly at the level of the smallholder farming systems and at processing facilities. Smallholder farming households were part of one or more value chains. Chicken feed is an important entry point for integrating the three value chains, as maize and soybean meal are the main sources of energy and protein for chicken. Unlike maize, the utilization of soybean in chicken feed is limited, mainly due to inadequate quality of processing of soybean grain into meal. As a result, the soybean grain produced by smallholders is mainly exported to neighbouring countries for further processing, and soybean meal is imported at relatively high prices. Enhancing local sourcing and adequate processing of soybean, coupled with strengthening the integration of smallholder farmers with other soybean, maize and chicken value chain actors offers an important opportunity to improve access to nutritious diets for local people. Our method revealed the importance of interlinkages that integrate the value chains into a network within domestic markets.
    Schlagwörter chickens ; cognition ; corn ; diet ; energy ; food security ; malnutrition ; soybean meal ; soybeans ; stakeholders ; supply chain ; Tanzania
    Sprache Englisch
    Erscheinungsverlauf 2021-12
    Umfang p. 1595-1612.
    Erscheinungsort Springer Netherlands
    Dokumenttyp Artikel
    ZDB-ID 2486755-X
    ISSN 1876-4525 ; 1876-4517
    ISSN (online) 1876-4525
    ISSN 1876-4517
    DOI 10.1007/s12571-021-01213-4
    Datenquelle NAL Katalog (AGRICOLA)

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  10. Konferenzbeitrag ; Online: Environmental, social, and economic consequences of six food system strategies for Switzerland

    Frehner, Anita / de Boer, Imke / Müller, Adrian / van Zanten, Hannah / Schader, Christian

    2022  

    Abstract: Consumption- as well as production-side changes are needed to improve the sustainability performance of food systems. We assessed multiple impacts of six food system strategies for Switzerland. Two strategies encompassed dietary changes: following a ... ...

    Abstract Consumption- as well as production-side changes are needed to improve the sustainability performance of food systems. We assessed multiple impacts of six food system strategies for Switzerland. Two strategies encompassed dietary changes: following a pescetarian diet and adhering to the national dietary guidelines. Two strategies employed alternative farming systems: increasing the share of organic production and, in addition, applying the circularity principle of avoiding feed-food competition by excluding livestock feed grown on arable land. A fifth strategy reduced food waste. The sixth strategy increased the share of domestic produce. For all strategies, we assessed greenhouse gas emissions, land use, nitrogen surplus, social risks, diet quality, and diet costs. The strategies revealed trade-offs between impact categories, unless combined in a synergistic way. Combining all proposed strategies could lead to substantial improvements in all impact categories assessed, but would require a thorough transformation of the current food system.
    Schlagwörter Food security ; food quality and human health ; Recycling ; balancing and resource management
    Sprache Englisch
    Erscheinungsland dk
    Dokumenttyp Konferenzbeitrag ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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