| Global biodiversity: indicators of recent declines SHM Butchart, M Walpole, B Collen, A Van Strien, JPW Scharlemann, ... Science 328 (5982), 1164-1168, 2010 | 5887 | 2010 |
| Global indicators of biological invasion: species numbers, biodiversity impact and policy responses MA McGeoch, SHM Butchart, D Spear, E Marais, EJ Kleynhans, A Symes, ... Diversity and Distributions 16 (1), 95-108, 2010 | 852 | 2010 |
| The utility of weather and climate information for adaptation decision-making: current uses and future prospects in Africa and India C Singh, J Daron, A Bazaz, G Ziervogel, D Spear, J Krishnaswamy, ... Climate and Development, 1-17, 2017 | 253 | 2017 |
| Human population density explains alien species richness in protected areas D Spear, LC Foxcroft, H Bezuidenhout, MA McGeoch Biological Conservation 159, 137-147, 2013 | 245 | 2013 |
| Transformation, adaptation and development: relating concepts to practice R Few, D Morchain, D Spear, A Mensah, R Bendapudi Palgrave communications 3 (1), 1-9, 2017 | 229 | 2017 |
| Uncertainty in invasive alien species listing MA McGeoch, D Spear, EJ Kleynhans, E Marais Ecological Applications 22 (3), 959-971, 2012 | 221 | 2012 |
| Non‐indigenous ungulates as a threat to biodiversity D Spear, SL Chown Journal of Zoology 279 (1), 1-17, 2009 | 174 | 2009 |
| Taxonomic homogenization and differentiation across Southern Ocean Islands differ among insects and vascular plants JD Shaw, D Spear, M Greve, SL Chown Journal of Biogeography 37 (2), 217-228, 2010 | 98 | 2010 |
| A standardized set of metrics to assess and monitor tree invasions JRU Wilson, P Caplat, IA Dickie, C Hui, BD Maxwell, MA Nunez, ... Biological Invasions 16, 535-551, 2014 | 86 | 2014 |
| The extent and impacts of ungulate translocations: South Africa in a global context D Spear, SL Chown Biological conservation 142 (2), 353-363, 2009 | 78 | 2009 |
| Taxonomic homogenization in ungulates: patterns and mechanisms at local and global scales D Spear, SL Chown Journal of Biogeography 35 (11), 1962-1975, 2008 | 78 | 2008 |
| Invasive vertebrates of South Africa BJ van Rensburg, OLF Weyl, SJ Davies, NJ van Wilgen, D Spear, ... Biological invasions: Economic and environmental costs of alien plant …, 2011 | 76 | 2011 |
| Global biodiversity: indicators of recent declines H Stuart, M Butchart, M Walpole, B Collen, A van Strien, ... Science 328 (5982), 1164-1168, 2010 | 58 | 2010 |
| Assessing the association between pathways of alien plant invaders and their impacts in protected areas LC Foxcroft, D Spear, NJ Van Wilgen, MA McGeoch Pensoft Publishers, 2019 | 52 | 2019 |
| Alien species in South Africa’s national parks D Spear, M McGeoch, L Foxcroft, H Bezuidenhout Koedoe 53 (1), 4 pages. doi: 10.4102/koedoe.v53i1.1032, 2011 | 45* | 2011 |
| Vulnerability and adaptation to climate change in the semi-arid regions of Southern Africa D Spear, E Haimbili, M Angula, MA Baudoin, S Hegga, M Zaroug, ... | 40* | 2015 |
| Considering religion and tradition in climate smart agriculture: insights from Namibia J Davies, D Spear, A Chappel, N Joshi, C Togarepi, I Kunamwene The climate-smart agriculture papers: Investigating the business of a …, 2019 | 35 | 2019 |
| Exploring methodological approaches to assess climate change vulnerability and adaptation: reflections from using life history approaches C Singh, M Tebboth, D Spear, P Ansah, A Mensah Regional Environmental Change 19, 2667-2682, 2019 | 32 | 2019 |
| Biological invasions in the Cape Floristic Region: history, current patterns, impacts, and management challenges JR Wilson, M Gaertner, CL Griffiths, I Kotzé, DC Le Maitre, SM Marr, ... Fynbos: Ecology, evolution, and conservation of a megadiverse region 273, 2014 | 30 | 2014 |
| Culture as a mediator of climate change adaptation: Neither static nor unidirectional R Few, D Spear, C Singh, MGL Tebboth, JE Davies, MC Thompson‐Hall WIREs Climate Change, 2020 | 28 | 2020 |
