Ralph Buij

2.8k total citations · 2 hit papers
66 papers, 1.6k citations indexed

About

Ralph Buij is a scholar working on Ecology, Nature and Landscape Conservation and Ecology, Evolution, Behavior and Systematics. According to data from OpenAlex, Ralph Buij has authored 66 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 53 papers in Ecology, 18 papers in Nature and Landscape Conservation and 10 papers in Ecology, Evolution, Behavior and Systematics. Recurrent topics in Ralph Buij's work include Wildlife Ecology and Conservation (45 papers), Avian ecology and behavior (29 papers) and Wildlife Conservation and Criminology Analyses (9 papers). Ralph Buij is often cited by papers focused on Wildlife Ecology and Conservation (45 papers), Avian ecology and behavior (29 papers) and Wildlife Conservation and Criminology Analyses (9 papers). Ralph Buij collaborates with scholars based in Netherlands, United States and United Kingdom. Ralph Buij's co-authors include Darcy Ogada, Munir Z. Virani, Barbara M. Croes, Robin C. Whytock, Serge A. Wich, Carel P. van Schaik, Christopher J. W. McClure, Alfonso Alonso, André Botha and Phil Shaw and has published in prestigious journals such as PLoS ONE, Water Research and Global Change Biology.

In The Last Decade

Ralph Buij

59 papers receiving 1.5k citations

Hit Papers

align trajectories

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.

Another Continental Vulture Crisis: Africa's Vultures Collapsing toward Extinction

2015 292 citations Darcy Ogada, Phil Shaw et al. profile →
State of the world's raptors: Distributions, threats, and conservation recommendations

2018 248 citations Christopher J. W. McClure, Munir Z. Virani et al. Biological Conservation profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ralph Buij Netherlands	20	1.3k	366	276	262	215	66	1.6k
Patricia Mateo‐Tomás Spain	23	1.1k 0.8×	387 1.1×	352 1.3×	96 0.4×	210 1.0×	58	1.5k
Darcy Ogada Kenya	18	1.5k 1.1×	563 1.5×	289 1.0×	107 0.4×	241 1.1×	32	1.8k
Luís Miguel Rosalino Portugal	22	1.1k 0.8×	399 1.1×	280 1.0×	128 0.5×	185 0.9×	105	1.6k
Darío Moreira‐Arce Chile	13	1.1k 0.8×	219 0.6×	441 1.6×	157 0.6×	156 0.7×	44	1.3k
Francisco Botella Spain	25	1.1k 0.8×	477 1.3×	270 1.0×	80 0.3×	226 1.1×	58	1.5k
Zebensui Morales‐Reyes Spain	18	835 0.6×	223 0.6×	172 0.6×	118 0.5×	133 0.6×	38	1.0k
Stephen Blake United States	24	1.2k 0.9×	582 1.6×	219 0.8×	384 1.5×	267 1.2×	59	1.7k
Pedro P. Olea Spain	25	1.3k 1.0×	479 1.3×	426 1.5×	81 0.3×	307 1.4×	80	1.8k
Eduardo J. Naranjo Mexico	19	932 0.7×	180 0.5×	258 0.9×	360 1.4×	230 1.1×	86	1.3k
Richard W. Yarnell United Kingdom	22	1.2k 0.9×	208 0.6×	238 0.9×	166 0.6×	181 0.8×	58	1.4k

Countries citing papers authored by Ralph Buij

Since Specialization

Citations

This map shows the geographic impact of Ralph Buij'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 Ralph Buij with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ralph Buij more than expected).

Fields of papers citing papers by Ralph Buij

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ralph Buij. 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 Ralph Buij. The network helps show where Ralph Buij may publish in the future.

Co-authorship network of co-authors of Ralph Buij

This figure shows the co-authorship network connecting the top 25 collaborators of Ralph Buij. A scholar is included among the top collaborators of Ralph Buij 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 Ralph Buij. Ralph Buij 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

Happi, Anise N., Ralph Buij, Frank van Langevelde, et al.. (2025). Structure, conservation and health implications of urban wild meat value chains: A case study of Lagos, Nigeria. One Health. 20. 100992–100992. 1 indexed citations

O’Bryan, Christopher J., Zunyi Xie, Hongli Li, et al.. (2025). Rapid Global Deforestation Leaves Forest‐Dependent Raptors With Half of Their Suitable Habitat Remaining. Global Change Biology. 31(11). e70603–e70603.

Hassell, James M., Elizabeth A. J. Cook, Frank van Langevelde, et al.. (2025). Limited knowledge of health risks along the illegal wild meat value chain in the Nairobi Metropolitan Area (NMA). PLoS ONE. 20(3). e0316596–e0316596.

Shaw, Phil, Darcy Ogada, Leah Dunn, et al.. (2024). African savanna raptors show evidence of widespread population collapse and a growing dependence on protected areas. Nature Ecology & Evolution. 8(1). 45–56. 17 indexed citations

Polling, Marcel, Ralph Buij, Ivo Laros, & G.A. de Groot. (2024). Continuous daily sampling of airborne eDNA detects all vertebrate species identified by camera traps. Environmental DNA. 6(4). 13 indexed citations

Thomas‐Walters, Laura, et al.. (2023). Culture and the illegal trade in vultures in southwestern Nigeria: conundrums and recommendations.. Socio-Environmental Systems Modeling. 83. 18–31.

Millon, Alexandre, et al.. (2023). How to improve the accuracy of height data from bird tracking devices? An assessment of high-frequency GPS tracking and barometric altimetry in field conditions. Animal Biotelemetry. 11(1). 7 indexed citations

Pérez‐García, Juan Manuel, Hem Sagar Baral, José D. Anadón, et al.. (2023). Human-induced mortality an overlooked threat for raptors in Nepal. Bird Conservation International. 33. 2 indexed citations

Kruckenberg, Helmut, et al.. (2022). Severe feather deformation in greater white-fronted goose (Anser alb. albifrons) goslings during hot summer period on Kolguev Island 2016. European Journal of Wildlife Research. 68(5). 56–56.

10.

Buechley, Evan R., Marco Girardello, Andrea Santangeli, et al.. (2021). Priority areas for vulture conservation in the Horn of Africa largely fall outside the protected area network. Bird Conservation International. 32(2). 188–205. 14 indexed citations

11.

Sumasgutner, Petra, Ralph Buij, Christopher J. W. McClure, et al.. (2021). Raptor research during the COVID-19 pandemic provides invaluable opportunities for conservation biology. Biological Conservation. 260. 109149–109149. 12 indexed citations

12.

Schippers, Peter, Ralph Buij, A.G.M. Schotman, et al.. (2020). Mortality limits used in wind energy impact assessment underestimate impacts of wind farms on bird populations. Ecology and Evolution. 10(13). 6274–6287. 21 indexed citations

13.

Lahr, J., Wolfgang Krämer, Véronique Poulsen, et al.. (2018). Data collection for the estimation of ecological data (specific focal species, time spent in treated areas collecting food, composition of diet), residue level and residue decline on food items to be used in the risk assessment for birds and mammals. EFSA Supporting Publications. 15(11). 10 indexed citations

14.

Buij, Ralph, et al.. (2017). Balancing ecosystem function, services and disservices resulting from expanding goose populations. AMBIO. 46(S2). 301–318. 50 indexed citations

15.

Ouéda, Adama, et al.. (2016). Phénologie de la reproduction du Vautour charognard Necrosyrtes monachus en zone soudano sahélienne (Garango, Burkina Faso), 2013–2015.. Socio-Environmental Systems Modeling. 38. 38–49. 5 indexed citations

16.

Buij, Ralph, Barbara M. Croes, Gerrit Gort, & Jan Komdeur. (2013). The role of breeding range, diet, mobility and body size in associations of raptor communities and land-use in a West African savanna. Biological Conservation. 166. 231–246. 19 indexed citations

17.

Laurance, William F., et al.. (2008). Impacts of Roads, Hunting, and Habitat Alteration on Nocturnal Mammals in African Rainforests. Conservation Biology. 22(3). 721–732. 79 indexed citations

18.

Buij, Ralph, Elizabeth A. Fox, & Serge A. Wich. (2006). Birds of Gunung Leuser National Park, Northern Sumatra - Part 1. 13. 23–41. 1 indexed citations

19.

Wich, Serge A., Ralph Buij, & Carel P. van Schaik. (2004). Determinants of orangutan density in the dryland forests of the Leuser Ecosystem. Primates. 45(3). 177–182. 40 indexed citations

20.

Buij, Ralph, et al.. (2003). Breeding behaviour of Jerdon's Baza Aviceda jerdoni at Gunung Leuser National Park, Sumatra, Indonesia: the first nesting record for Sumatra. 19. 139–141.

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