| Issue Date | Title | Author(s) |
| 1 | 2019 | The absence of keystone indigenous trees inhibits bird recovery up to a decade after invasive tree removal from riparian habitats | Mangachena, Joy Rumbidzai ; Geerts, Sjirk |
| 2 | 2023 | Barking up which tree? Characterizing farmers, farms, and a behavioral framework regarding livestock guardian dog use in South Africa | Glatthaar, Craig ; Kansky, Ruth ; Whitehouse-Tedd, Katherine ; Geerts, Sjirk |
| 3 | 2023 | Delaying a prescribed burn to scale up the restoration of alien-invaded Lowland Sand Fynbos in South Africa | Ngwenya, Duduzile K. ; Holmes, Patricia M. ; Geerts, Sjirk ; Esler, Karen J. |
| 4 | 2020 | Describing sexual dimorphism and fine scale spatial distributions in the Drab Thick-tail Scorpion, Parabuthus planicauda | Visser, Jacobus H. ; Geerts, Sjirk |
| 5 | 2022 | Distribution of Melaleuca rugulosa (Schlechtendal ex Link) Craven (Myrtaceae) in South Africa: assessment of invasiveness and feasibility of eradication | Matthys, Chelsey ; Jubase, Nolwethu ; Visser, Vernon ; Geerts, Sjirk |
| 6 | 2024 | Enhancing invasive alien plant eradication outcomes: lessons learned from South Africa | Nsikani, Mlungele M. ; Geerts, Sjirk |
| 7 | 2020 | Eucalyptus camaldulensis in South Africa – past, present, future | Hirsch, Heidi ; Allsopp, Michael H. ; Canavan, Susan ; Cheek, Michael ; Geerts, Sjirk ; Geldenhuys, Coert J. ; Harding, Graham ; Hurley, Brett P. ; Jones, Wayne ; Keet, Jan-Hendrik ; Klein, Hildegard ; Ruwanza, Sheunesu ; Van Wilgen, Brian W. ; Wingfield, Michael J. ; Richardson, David M. |
| 8 | 2024 | Generalist southern African temperate forest canopy tree species have distinct pollinator communities partially predicted by floral traits | Swart, Rudi C. ; Geerts, Sjirk ; Pryke, James Stephen ; Coetzee, Anina ; Pinotage red wine |
| 9 | 2020 | Identifying safe cultivars of invasive plants: six questions for risk assessment, management, and communication | Datta, Arunava ; Kumschick, Sabrina ; Geerts, Sjirk ; Wilson, John R.U. |
| 10 | 2023 | The importance of wild pollinators for indigenous crop pollination: the case of Cyclopia (honeybush) | Shaw-Bonner, Kirsten ; Theron, Genevieve ; Adedoja, Opeyemi ; Bester, Cecilia ; Geerts, Sjirk |
| 11 | 2023 | Mapping invasive herbaceous plant species with sentinel-2 satellite imagery: echium plantagineum in a mediterranean shrubland as a case study | Duncan, Patricia ; Podest, Erika ; Esler, Karen J. ; Geerts, Sjirk ; Lyons, Candice |
| 12 | 2022 | Mixed effect of habitat fragmentation on pollinator visitation rates but not on seed production in renosterveld of South Africa | Hauber, Sina Juliana ; Maier, Simone Lucia ; Adedoja, Opeyemi ; Gaertner, Mirijam ; Geerts, Sjirk |
| 13 | 2020 | Modeling the distribution of the invasive alien Cycad Aulacaspis scale in Africa under current and future climate scenarios | Satishchandra, Nitin Kanle ; Geerts, Sjirk |
| 14 | 2024 | Moving with your mutualist: predicted climate-induced mismatch between proteaceae species and their avian pollinators | Adedoja, Opeyemi ; Dormann, Carsten F. ; Coetzee, Anina ; Geerts, Sjirk |
| 15 | 2021 | Nectar gardens on school grounds reconnect plants, birds and people | Mnisi, Bongani E. ; Geerts, Sjirk ; Smith, Ceinwen ; Pauw, Anton |
| 16 | 2021 | Phylogeographic patterns in a Semi-lithophilous burrowing scorpion, opistophthalmus pallipes, from South Africa | Visser, Jacobus H. ; Geerts, Sjirk ; Van Vuuren, Bettine Jansen |
| 17 | 2020 | Pollination structures plant and nectar-feeding bird communities in Cape fynbos, South Africa: implications for the conservation of plant–bird mutualisms | Geerts, Sjirk ; Coetzee, Anina ; Rebelo, Anthony G. ; Pauw, Anton |
| 18 | 2021 | Protea maturation rates and fire return intervals in a mediterranean ecosystem: testing the rules of thumb at a local scale | Geerts, Sjirk |
| 19 | 2024 | Regulatory options for cultivars and hybrids of invasive plant species - the South African experience | Chetty, Duran ; Datta, Arunava ; Kumschick, Sabrina ; Wilson, John R.U. ; Nchu, Felix ; Geerts, Sjirk |
| 20 | 2022 | Relationship of alien species continues in a foreign land: The case of Phytophthora and Australian Banksia (Proteaceae) in South African Fynbos | Qongqo, Axola ; Nchu, Felix ; Geerts, Sjirk |