Hannah Wittman

5.7k total citations · 2 hit papers
77 papers, 3.4k citations indexed

About

Hannah Wittman is a scholar working on General Agricultural and Biological Sciences, Plant Science and General Health Professions. According to data from OpenAlex, Hannah Wittman has authored 77 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 48 papers in General Agricultural and Biological Sciences, 37 papers in Plant Science and 10 papers in General Health Professions. Recurrent topics in Hannah Wittman's work include Agriculture, Land Use, Rural Development (42 papers), Organic Food and Agriculture (35 papers) and Urban Agriculture and Sustainability (17 papers). Hannah Wittman is often cited by papers focused on Agriculture, Land Use, Rural Development (42 papers), Organic Food and Agriculture (35 papers) and Urban Agriculture and Sustainability (17 papers). Hannah Wittman collaborates with scholars based in Canada, United States and United Kingdom. Hannah Wittman's co-authors include Annette Aurélie Desmarais, Jennifer Blesh, Nettie Wiebe, M. Jahi Chappell, Rachel Bezner Kerr, Barbara Gemmill‐Herren, Dana James, Mary Beckie, Benjamin E. Graeub and Samuel Ledermann and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and New Phytologist.

In The Last Decade

Hannah Wittman

74 papers receiving 3.2k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

The State of Family Farms in the World

2015 351 citations Hannah Wittman et al. profile →
Higher yields and more biodiversity on smaller farms

2021 169 citations Vincent Ricciardi, Zia Mehrabi et al. Nature Sustainability profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Hannah Wittman Canada	32	1.6k	1.4k	405	397	384	77	3.4k
Pepijn Schreinemachers Taiwan	33	919 0.6×	1.1k 0.8×	579 1.4×	232 0.6×	203 0.5×	105	3.5k
Douglas Gollin United States	21	1.2k 0.7×	825 0.6×	315 0.8×	342 0.9×	232 0.6×	73	5.9k
Julian M. Alston United States	41	1.8k 1.1×	1.3k 1.0×	191 0.5×	435 1.1×	176 0.5×	228	5.6k
Hamid El Bilali Italy	32	635 0.4×	990 0.7×	351 0.9×	635 1.6×	264 0.7×	138	4.0k
Jon Hellin Mexico	36	2.0k 1.3×	2.3k 1.7×	453 1.1×	395 1.0×	119 0.3×	115	5.5k
Ulrike Grote Germany	33	775 0.5×	643 0.5×	433 1.1×	251 0.6×	230 0.6×	168	3.7k
M. Jahi Chappell United States	16	1.3k 0.8×	1.1k 0.8×	620 1.5×	677 1.7×	109 0.3×	41	2.9k
Piet van Asten Uganda	34	1.3k 0.8×	1.7k 1.3×	516 1.3×	473 1.2×	149 0.4×	117	4.5k
Awudu Abdulai Germany	45	3.8k 2.4×	850 0.6×	307 0.8×	231 0.6×	436 1.1×	145	7.1k
Rachel Bezner Kerr United States	42	2.5k 1.6×	1.4k 1.0×	830 2.0×	737 1.9×	831 2.2×	125	6.2k

Countries citing papers authored by Hannah Wittman

Since Specialization

Citations

This map shows the geographic impact of Hannah Wittman's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Hannah Wittman with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hannah Wittman more than expected).

Fields of papers citing papers by Hannah Wittman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hannah Wittman. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Hannah Wittman. The network helps show where Hannah Wittman may publish in the future.

Co-authorship network of co-authors of Hannah Wittman

This figure shows the co-authorship network connecting the top 25 collaborators of Hannah Wittman. A scholar is included among the top collaborators of Hannah Wittman based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Hannah Wittman. Hannah Wittman is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Klassen, Susanna, Claire Kremen, Navin Ramankutty, & Hannah Wittman. (2025). The distinct drivers of diversification and job quality on BC organic vegetable farms. Agriculture and Human Values. 42(4). 2937–2960.

Mehrabi, Zia, et al.. (2024). Author Correction: Higher yields and more biodiversity on smaller farms. Nature Sustainability. 7(5). 682–682.

James, Dana, Jennifer Blesh, Christian Levers, et al.. (2023). The state of agroecology in Brazil: An indicator-based approach to identifying municipal “bright spots”. Elementa Science of the Anthropocene. 11(1). 8 indexed citations

James, Dana, et al.. (2023). Agroecology as a Philosophy of Life. Agriculture and Human Values. 40(4). 1437–1450. 8 indexed citations

Wittman, Hannah. (2023). Food sovereignty: An inclusive model for feeding the world and cooling the planet. One Earth. 6(5). 474–478. 10 indexed citations

Wittman, Hannah, et al.. (2023). Sites, stakes, and scales: radical relationalism and the shifting nature of food sovereignty mobilization. Globalizations. 20(7). 995–1013. 3 indexed citations

Elder, Sara, Hannah Wittman, & Amanda Giang. (2023). Building sustainability research competencies through scaffolded pathways for undergraduate research experience. Elementa Science of the Anthropocene. 11(1). 3 indexed citations

Newman, Lenore, et al.. (2023). Assessing governability of agricultural systems: Municipal agricultural planning in Metro Vancouver, Canada. Frontiers in Sustainable Food Systems. 6. 1 indexed citations

Wittman, Hannah, et al.. (2022). A trait–environment relationship approach to participatory plant breeding for organic agriculture. New Phytologist. 235(3). 1018–1031. 9 indexed citations

10.

Huambachano, Mariaelena, et al.. (2022). Knowledge networks to support youth engagement in sustainable food systems. Frontiers in Sustainable Food Systems. 6. 10 indexed citations

11.

Shah, Sameer H., Leila M. Harris, Mark S. Johnson, & Hannah Wittman. (2021). A 'Drought-Free' Maharashtra? Politicising Water Conservation for Rain-Dependent Agriculture. SHILAP Revista de lepidopterología. 13 indexed citations

12.

Ricciardi, Vincent, Zia Mehrabi, Hannah Wittman, Dana James, & Navin Ramankutty. (2021). Higher yields and more biodiversity on smaller farms. Nature Sustainability. 4(7). 651–657. 169 indexed citations breakdown →

13.

Engler‐Stringer, Rachel, Jennifer Black, Nazeem Muhajarine, et al.. (2021). The Good Food for Learning Universal Curriculum-Integrated Healthy School Lunch Intervention: Protocol for a Two-Year Matched Control Pre-Post and Case Study. JMIR Research Protocols. 10(9). e30899–e30899. 2 indexed citations

14.

Mehrabi, Zia, Vincent Ricciardi, Christian Levers, et al.. (2020). The global divide in data-driven farming. Nature Sustainability. 4(2). 154–160. 111 indexed citations

15.

Wittman, Hannah, et al.. (2020). Bringing the city to the country? Responsibility, privilege and urban agrarianism in Metro Vancouver. The Journal of Peasant Studies. 48(6). 1141–1166. 12 indexed citations

16.

Wittman, Hannah, et al.. (2019). Food Sovereignty: A Framework for Assessing Agrarian Responses to Climate Change in the Philippines. Social Science Open Access Repository (GESIS – Leibniz Institute for the Social Sciences). 6 indexed citations

17.

Chapman, Gwen E., et al.. (2018). It’s just the right thing to do: Conceptualizing a theory of change for a school food and beverage sales environment interv ention and implications for implementation evaluation. Evaluation and Program Planning. 70. 73–82. 7 indexed citations

18.

Wittman, Hannah & Jennifer Blesh. (2015). Food Sovereignty and Fome Zero: Connecting Public Food Procurement Programmes to Sustainable Rural Development in Brazil. Journal of Agrarian Change. 17(1). 81–105. 94 indexed citations

19.

Wittman, Hannah. (2015). FS - From protest to policy: The challenges of institutionalizing food sovereignty. SHILAP Revista de lepidopterología. 2(2). 174–182. 21 indexed citations

20.

Wittman, Hannah. (2010). Agrarian Reform and the Environment: Fostering Ecological Citizenship in Mato Grosso, Brazil. Canadian Journal of Development Studies/Revue canadienne d études du développement. 29(3-4). 281–298. 16 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact