Paap T, Burgess TI, Wingfield MJ (2017) Urban trees: bridge-heads for forest pest invasions and
sentinels for early detection. Biol Invasions 19:3515–3526. https://doi.org/10.1007/s10530017-1595-x
Paap T, de Beer ZW, Migliorini D et al (2018) The polyphagous shot hole borer (PSHB) and its
fungal symbiont Fusarium euwallaceae: a new invasion in South Africa. Australas Plant Pathol
47:231–237. https://doi.org/10.1007/s13313-018-0545-0
Padayachee AL, Irlich UM, Faulkner KT et al (2017) How do invasive species travel to and
through urban environments? Biol Invasions 19:3557–3570. https://doi.org/10.1007/s10530017-1596-9
Peacock DS, van Rensburg BJ, Robertson MP (2007) The distribution and spread of the invasive
alien Common Myna Acridotheres tristis L (Aves: Sturnidae) in southern Africa. S Afr J Sci
103:465–473
Pejchar L, Mooney HA (2009) Invasive species, ecosystem services and human wellbeing. Trends
Ecol Evol 24:497–504. https://doi.org/10.1016/j.tree.2009.03.016
Picker MD, Griffiths CL (2015) Sycamore tree lace bug (Corythucha ciliata Say) (Hemiptera:
Tingidae) reaches Africa: short communication. Afr Entomol 23:247–249. https://doi.org/10.
4001/003.023.0125
Picker MD, Griffiths CL (2017) Alien animals in South Africa - composition, introduction history,
origins and distribution patterns. Bothalia 47(2):a2147. https://doi.org/10.4102/abc.v47i2.2147
Pickett STA, Cadenasso ML, Grove JM et al (2001) Urban ecological systems: linking terrestrial
ecological, physical, and socioeconomic components of metropolitan areas. Annu Rev Ecol
Evol Syst 32:127–157. https://doi.org/10.1146/annurev.ecolsys.32.081501.114012
Pillay KR, Streicher J, Downs CT (2018) Home range and habitat use of feral cats in an urban
mosaic in Pietermaritzburg, KwaZulu-Natal, South Africa. Urban Ecosyst 21:999–1009. https://
doi.org/10.1007/s11252-018-0766-6
Poland TM, Rassati D (2018) Improved biosecurity surveillance of non-native forest insects: a
review of current methods. J Pest Sci 92(1):37–49. https://doi.org/10.1007/s10340-018-1004-y
Potgieter LJ, Gaertner M, Kueffer C et al (2017) Alien plants as mediators of ecosystem services
and disservices in urban systems: a global review. Biol Invasions 19:3571–3588. https://doi.org/
10.1007/s10530-017-1589-8
Potgieter LJ, Gaertner M, Irlich UM et al (2018) Managing urban plant invasions: a multi-criteria
prioritization approach. Environ Manag 62:1168–1185. https://doi.org/10.1007/s00267-0181088-4
Potgieter LJ, Gaertner M, O’Farrell PJ et al (2019a) Does vegetation structure influence criminal
activity? Insights from Cape Town, South Africa. Front Biogeogr 11(1):e42035. https://doi.org/
10.21425/F5FBG42035
Potgieter LJ, Gaertner M, O’Farrell PJ et al (2019b) Perceptions of impact: invasive alien plants in
the urban environment. J Environ Manag 229:76–87. https://doi.org/10.1016/j.jenvman.2018.
05.080
Pyšek P (1998) Alien and native species in Central European urban floras: a quantitative comparison. J Biogeogr 25:155–163. https://doi.org/10.1046/j.1365-2699.1998.251177.x
Pyšek P, Richardson DM (2010) Invasive species, environmental change, and health. Annu Rev
Environ Resour 35:25–55. https://doi.org/10.1146/annurev-environ-033009-095548
Rebelo AG, Holmes PM, Dorse C et al (2011) Impacts of urbanization in a biodiversity hotspot:
conservation challenges in Metropolitan Cape Town. S Afr J Bot 77:20–35. https://doi.org/10.
1016/j.sajb.2010.04.006
Reis RB, Ribeiro GS, Felzemburgh RD et al (2008) Impact of environment and social gradient on
Leptospira infection in urban slums. PLoS Negl Trop Dis 2:e228. https://doi.org/10.1371/
journal.pntd.0000228
Rejmánek M, Richardson DM, Pyšek P (2005) Plant invasions and invasibility of plant communities. In: van der Maarel E (ed) Vegetation Ecology. Blackwell, Oxford, pp 332–355
Richardson DM, van Wilgen BW (2004) Invasive alien plants in South Africa: how well do we
understand the ecological impacts? S Afr J Sci 100:45–52
306
L. J. Potgieter et al.
sentinels for early detection. Biol Invasions 19:3515–3526. https://doi.org/10.1007/s10530017-1595-x
Paap T, de Beer ZW, Migliorini D et al (2018) The polyphagous shot hole borer (PSHB) and its
fungal symbiont Fusarium euwallaceae: a new invasion in South Africa. Australas Plant Pathol
47:231–237. https://doi.org/10.1007/s13313-018-0545-0
Padayachee AL, Irlich UM, Faulkner KT et al (2017) How do invasive species travel to and
through urban environments? Biol Invasions 19:3557–3570. https://doi.org/10.1007/s10530017-1596-9
Peacock DS, van Rensburg BJ, Robertson MP (2007) The distribution and spread of the invasive
alien Common Myna Acridotheres tristis L (Aves: Sturnidae) in southern Africa. S Afr J Sci
103:465–473
Pejchar L, Mooney HA (2009) Invasive species, ecosystem services and human wellbeing. Trends
Ecol Evol 24:497–504. https://doi.org/10.1016/j.tree.2009.03.016
Picker MD, Griffiths CL (2015) Sycamore tree lace bug (Corythucha ciliata Say) (Hemiptera:
Tingidae) reaches Africa: short communication. Afr Entomol 23:247–249. https://doi.org/10.
4001/003.023.0125
Picker MD, Griffiths CL (2017) Alien animals in South Africa - composition, introduction history,
origins and distribution patterns. Bothalia 47(2):a2147. https://doi.org/10.4102/abc.v47i2.2147
Pickett STA, Cadenasso ML, Grove JM et al (2001) Urban ecological systems: linking terrestrial
ecological, physical, and socioeconomic components of metropolitan areas. Annu Rev Ecol
Evol Syst 32:127–157. https://doi.org/10.1146/annurev.ecolsys.32.081501.114012
Pillay KR, Streicher J, Downs CT (2018) Home range and habitat use of feral cats in an urban
mosaic in Pietermaritzburg, KwaZulu-Natal, South Africa. Urban Ecosyst 21:999–1009. https://
doi.org/10.1007/s11252-018-0766-6
Poland TM, Rassati D (2018) Improved biosecurity surveillance of non-native forest insects: a
review of current methods. J Pest Sci 92(1):37–49. https://doi.org/10.1007/s10340-018-1004-y
Potgieter LJ, Gaertner M, Kueffer C et al (2017) Alien plants as mediators of ecosystem services
and disservices in urban systems: a global review. Biol Invasions 19:3571–3588. https://doi.org/
10.1007/s10530-017-1589-8
Potgieter LJ, Gaertner M, Irlich UM et al (2018) Managing urban plant invasions: a multi-criteria
prioritization approach. Environ Manag 62:1168–1185. https://doi.org/10.1007/s00267-0181088-4
Potgieter LJ, Gaertner M, O’Farrell PJ et al (2019a) Does vegetation structure influence criminal
activity? Insights from Cape Town, South Africa. Front Biogeogr 11(1):e42035. https://doi.org/
10.21425/F5FBG42035
Potgieter LJ, Gaertner M, O’Farrell PJ et al (2019b) Perceptions of impact: invasive alien plants in
the urban environment. J Environ Manag 229:76–87. https://doi.org/10.1016/j.jenvman.2018.
05.080
Pyšek P (1998) Alien and native species in Central European urban floras: a quantitative comparison. J Biogeogr 25:155–163. https://doi.org/10.1046/j.1365-2699.1998.251177.x
Pyšek P, Richardson DM (2010) Invasive species, environmental change, and health. Annu Rev
Environ Resour 35:25–55. https://doi.org/10.1146/annurev-environ-033009-095548
Rebelo AG, Holmes PM, Dorse C et al (2011) Impacts of urbanization in a biodiversity hotspot:
conservation challenges in Metropolitan Cape Town. S Afr J Bot 77:20–35. https://doi.org/10.
1016/j.sajb.2010.04.006
Reis RB, Ribeiro GS, Felzemburgh RD et al (2008) Impact of environment and social gradient on
Leptospira infection in urban slums. PLoS Negl Trop Dis 2:e228. https://doi.org/10.1371/
journal.pntd.0000228
Rejmánek M, Richardson DM, Pyšek P (2005) Plant invasions and invasibility of plant communities. In: van der Maarel E (ed) Vegetation Ecology. Blackwell, Oxford, pp 332–355
Richardson DM, van Wilgen BW (2004) Invasive alien plants in South Africa: how well do we
understand the ecological impacts? S Afr J Sci 100:45–52
306
L. J. Potgieter et al.