T.G. O’Connor

7.2k total citations · 2 hit papers
93 papers, 5.4k citations indexed

About

T.G. O’Connor is a scholar working on Nature and Landscape Conservation, Ecology and Management, Monitoring, Policy and Law. According to data from OpenAlex, T.G. O’Connor has authored 93 papers receiving a total of 5.4k indexed citations (citations by other indexed papers that have themselves been cited), including 65 papers in Nature and Landscape Conservation, 49 papers in Ecology and 32 papers in Management, Monitoring, Policy and Law. Recurrent topics in T.G. O’Connor's work include Ecology and Vegetation Dynamics Studies (65 papers), Rangeland Management and Livestock Ecology (32 papers) and Rangeland and Wildlife Management (23 papers). T.G. O’Connor is often cited by papers focused on Ecology and Vegetation Dynamics Studies (65 papers), Rangeland Management and Livestock Ecology (32 papers) and Rangeland and Wildlife Management (23 papers). T.G. O’Connor collaborates with scholars based in South Africa, United States and United Kingdom. T.G. O’Connor's co-authors include A. W. Illius, A. R. Watkinson, Kim G. Roques, Peter Goodman, T. M. Everson, P. W. Roux, Colin S. Everson, Patrick O’Farrell, Benis N. Egoh and Regina Lindborg and has published in prestigious journals such as The American Naturalist, Soil Biology and Biochemistry and Journal of Ecology.

In The Last Decade

T.G. O’Connor

91 papers receiving 5.0k 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.

Grasslands—more important for ecosystem services than you might think

2019 688 citations T.G. O’Connor et al. profile →
Dynamics of shrub encroachment in an African savanna: relative influences of fire, herbivory, rainfall and density dependence

2001 627 citations T.G. O’Connor et al. Journal of Applied Ecology profile →

Peers

T.G. O’Connor

NLC

ECOLO

MMPL

GPC

FORES

Joel R. Brown United States

David J. Augustine United States

David D. Briske United States

D. G. Milchunas United States

Justin Derner United States

Martı́n R. Aguiar Argentina

A. Joy Belsky United States

Marcelo Sternberg Israel

Douglas A. Frank United States

Mahesh Sankaran India

Joel R. Brown United States

T.G. O’Connor

2.0k ×0.7

NLC

2.5k ×0.9

ECOLO

1.2k ×0.6

MMPL

1.7k ×1.0

GPC

535 ×0.6

FORES

Citations per year, relative to T.G. O’Connor T.G. O’Connor (= 1×) peers Joel R. Brown

Countries citing papers authored by T.G. O’Connor

Since Specialization

Citations

This map shows the geographic impact of T.G. O’Connor'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 T.G. O’Connor with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites T.G. O’Connor more than expected).

Fields of papers citing papers by T.G. O’Connor

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by T.G. O’Connor. 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 T.G. O’Connor. The network helps show where T.G. O’Connor may publish in the future.

Co-authorship network of co-authors of T.G. O’Connor

This figure shows the co-authorship network connecting the top 25 collaborators of T.G. O’Connor. A scholar is included among the top collaborators of T.G. O’Connor 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 T.G. O’Connor. T.G. O’Connor 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

Clegg, Bruce W. & T.G. O’Connor. (2025). Mass harvested per trunkload as a constraint to forage consumption by the African savanna elephant (Loxodonta africana). PeerJ. 13. e19033–e19033.

O’Connor, T.G., et al.. (2024). Persistent Porcupines and Omnipresent Elephants: Fifty Years of Woodland Change in Gonarezhou National Park, Zimbabwe. African Journal of Wildlife Research. 54(1). 1 indexed citations

O’Connor, T.G., et al.. (2024). Emergent trees inColophospermum mopanewoodland: influence of elephant density on persistenceversusattrition. PeerJ. 12. e16961–e16961. 3 indexed citations

Swemmer, Anthony M., Jesse B. Nippert, & T.G. O’Connor. (2023). The effects of floods, droughts and elephants on riparian tree mortality in a semi-arid savanna. Forest Ecology and Management. 545. 121264–121264. 5 indexed citations

O’Connor, T.G., et al.. (2023). The “eco-story” of a mountain range: the development of Socio-Ecological Disturbance Regimes in the northern Drakensberg and consequences for grassland-plant diversity. Transactions of the Royal Society of South Africa. 78(1-2). 17–28. 2 indexed citations

Toit, Justin du, et al.. (2022). Catastrophic collapses of sensitive species, including the quiver tree (Aloidendron dichotomum), following fire in the arid Nama-Karoo, South Africa. Journal of Arid Environments. 201. 104737–104737. 1 indexed citations

Clegg, Bruce W., T.G. O’Connor, & A. D. Manson. (2021). Vegetation classification for the management of large mammalian herbivores: a case study at Mushingashi Conservancy, Central Province, Zambia. African Journal of Range and Forage Science. 38(4). 247–269.

Henry, Dominic A. W. & T.G. O’Connor. (2019). Survey frequency affects the estimates and conclusions of long-term changes in waterbird populations: a case study from a South African wetland. Biodiversity and Conservation. 28(13). 3429–3443. 1 indexed citations

Jewitt, Debbie, Peter Goodman, Barend Erasmus, T.G. O’Connor, & E.T.F. Witkowski. (2017). Planning for the Maintenance of Floristic Diversity in the Face of Land Cover and Climate Change. Environmental Management. 59(5). 792–806. 13 indexed citations

10.

Clegg, Bruce W. & T.G. O’Connor. (2017). Determinants of seasonal changes in availability of food patches for elephants ( Loxodonta africana ) in a semi-arid African savanna. PeerJ. 5. e3453–e3453. 19 indexed citations

11.

Clegg, Bruce W. & T.G. O’Connor. (2016). Harvesting and chewing as constraints to forage consumption by the African savanna elephant ( Loxodonta africana ). PeerJ. 4. e2469–e2469. 10 indexed citations

12.

Turpie, Jane, T.G. O’Connor, Anthony Mills, & H. G. Robertson. (2014). The ecological and economic consequences of changing land use in the southern Drakensberg grasslands, South Africa. South African Journal of Economic and Management Sciences. 10(4). 423–441. 8 indexed citations

13.

Milton, Suzanne J., W. R. Dean, T.G. O’Connor, & Anthony Mills. (2007). Scaling up from site-based research to a national research and monitoring network: lessons from Tierberg Karoo Research Centre and other design considerations. South African Journal of Science. 103. 311–317. 4 indexed citations

14.

O’Connor, T.G., et al.. (2007). Impact of land use on the biodiversity integrity of the moist sub-biome of the grassland biome, South Africa. Journal of Environmental Management. 90(1). 384–395. 63 indexed citations

15.

Mills, Anthony, T.G. O’Connor, John S. Donaldson, et al.. (2005). Ecosystem carbon storage under different land uses in three semi-arid shrublands and a mesic grassland in South Africa. South African Journal of Plant and Soil. 22(3). 183–190. 39 indexed citations

16.

Page, Bruce R., et al.. (2004). Woody vegetation change in response to browsing in Ithala Game Reserve, South Africa : research article. African Journal of Wildlife Research. 34(1). 25–37. 1 indexed citations

17.

O’Connor, T.G.. (1997). Micro‐site influence on seed longevity and seedling emergence of a bunchgrass (Themeda triandra) in a semi‐arid savanna. African Journal of Range and Forage Science. 14(1). 7–11. 25 indexed citations

18.

O’Connor, T.G.. (1995). Acacia karroo invasion of grassland: environmental and biotic effects influencing seedling emergence and establishment. Oecologia. 103(2). 214–223. 140 indexed citations

19.

O’Connor, T.G., et al.. (1992). The Influence of Grazing on Seed Production and Seed Banks of Some African Savanna Grasslands. Journal of Applied Ecology. 29(1). 247–247. 199 indexed citations

20.

O’Connor, T.G.. (1991). Influence of rainfall and grazing on the compositional change of the herbaceous layer of a sandveld savanna. Journal of the Grassland Society of Southern Africa. 8(3). 103–109. 28 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.

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