Coetzee JA, Hill MP, Byrne MJ, Bownes A (2011a) A review of the biological programmes on
Eichhornia crassipes (C.Mart.) Solms (Pontederiaceae), Salvinia molesta D.S.Mitch.
(Salviniaceae), Pistia stratiotes L. (Araceae), Myriophyllum aquaticum (Vell.) Verdc.
(Haloragaceae) and Azolla filiculoides (Lam.) (Azollaceae) in South Africa. Afr Entomol
19:451–468. https://doi.org/10.4001/003.019.0202
Coetzee JA, Bownes A, Martin GD (2011b) Prospects for the biological control of submerged
macrophytes in South Africa. Afr Entomol 19:469–487. https://doi.org/10.4001/003.019.0203
Coetzee JA, Jones RW, Hill MP (2014) Water hyacinth, Eichhornia crassipes (Mart.) Solms-Laub.
(Pontederiaceae), reduces benthic macroinvertebrate diversity in a protected subtropical lake in
South Africa. Biodivers Conserv 23:1319–1330. https://doi.org/10.1007/s10531-014-0667-9
Coetzee JA, Hill MP, Hussner A et al (2018) Invasive aquatic species. In: Hughes J (ed) Freshwater
ecology and conservation, approaches and techniques. Oxford University Press, Oxford, pp
338–358. https://doi.org/10.1093/oso/9780198766384.003.0016
Cohen J, Mirotchnick N, Leung B (2007) Thousands introduced annually: the aquarium pathway
for non-indigenous plants to the St Lawrence Seaway. Front Ecol Environ 5:528–532. https://
doi.org/10.1890/060137
Cook CDK (2004) Aquatic and wetland plants of Southern Africa. Backhuys Publishers, Leiden, pp
140–148
Dobson A, Bradshaw AD, Baker AJM (1997) Hopes for the future: restoration ecology and
conservation biology. Science 227:515–522. https://doi.org/10.1126/science.277.5325.515
Duarte CM (1995) Submerged aquatic vegetation in relation to different nutrient regimes. Ophelia
41:87–112. https://doi.org/10.1080/00785236.1995.10422039
Duarte L (2017) Water hyacinth invasion on Guadiana River. Some number, facts and thoughts.
Steemit. Biology-Blogs https://steemit.com/biology/@liliana.duarte/water-hyacinth-invasionon-guadiana-river-some-numbers-facts-and-thoughts. Accessed 15 Jun 2017
Duggan IC (2010) The freshwater aquarium trade as a vector for incidental invertebrate fauna. Biol
Invasions 12:3757–3770. https://doi.org/10.1007/s10530-010-9768-x
Faulkner KT, Hurley BP, Robertson MP et al (2017) The balance of trade in alien species between
South Africa and the rest of Africa. Bothalia 47(2):a2157. https://doi.org/10.4102/abc.v47i2.
2157
Fraser G, Martin J, Hill MP (2016) Economic evaluation of water loss saving due to the biological
control of water hyacinth at New Year’s Dam, Eastern Cape Province, South Africa. Afr J Aquat
Sci 41:227–234. https://doi.org/10.2989/16085914.2016.1151765
Harvey JA, Bukovinszky T, van der Putten WH (2010) Interactions between invasive plants and
insect herbivores: a plea for a multitrophic perspective. Biol Conserv 143:2251–2259. https://
doi.org/10.1016/j.biocon.2010.03.004
Heidbüchel P, Kuntz K, Hussner A (2016) Alien aquatic plants do not have higher fragmentation
rates than native species: a field study from the River Erft. Aquat Sci 78(4):767–777. https://doi.
org/10.1007/s00027-016-0468-1
Henderson L, Wilson JRU (2017) Changes in the composition and distribution of alien plants in
South Africa: An update from the Southern African Plant Invaders Atlas. Bothalia 47(2):a2172.
https://doi.org/10.4102/abc.v47i2.2172
Hill MP (2003) The impact and control of alien aquatic vegetation in South African aquatic
ecosystems. Afr J Aquat Sci 28:19–24. https://doi.org/10.2989/16085914.2003.9626595
Hill MP, Coetzee JA (2017) The biological control of aquatic weeds in South Africa: current status
and future challenges. Bothalia 47(2):a2152. https://doi.org/10.4102/abc.v47i2.2152
Hill MP, Olckers T (2001) Biological control initiatives against water hyacinth in South Africa:
Constraining factors, success and new courses of action. In: Julien MH, Center TD, Hill MP
(eds) Proceedings of the Second Global Working Group Meeting for the Biological and
Integrated Control of Water Hyacinth, Beijing, China, 9–12 October 2000, pp 33–38
Hill MP, Moran VC, Hoffmann JH et al (2020) More than a century of biological control against
invasive alien plants in South Africa: a synoptic view of what has been accomplished. In: van
Wilgen BW, Measey J, Richardson DM, Wilson JR, Zengeya TA (eds) Biological invasions in
South Africa. Springer, Berlin, pp 549–568. https://doi.org/10.1007/978-3-030-32394-3_19
112
M. P. Hill et al.
Eichhornia crassipes (C.Mart.) Solms (Pontederiaceae), Salvinia molesta D.S.Mitch.
(Salviniaceae), Pistia stratiotes L. (Araceae), Myriophyllum aquaticum (Vell.) Verdc.
(Haloragaceae) and Azolla filiculoides (Lam.) (Azollaceae) in South Africa. Afr Entomol
19:451–468. https://doi.org/10.4001/003.019.0202
Coetzee JA, Bownes A, Martin GD (2011b) Prospects for the biological control of submerged
macrophytes in South Africa. Afr Entomol 19:469–487. https://doi.org/10.4001/003.019.0203
Coetzee JA, Jones RW, Hill MP (2014) Water hyacinth, Eichhornia crassipes (Mart.) Solms-Laub.
(Pontederiaceae), reduces benthic macroinvertebrate diversity in a protected subtropical lake in
South Africa. Biodivers Conserv 23:1319–1330. https://doi.org/10.1007/s10531-014-0667-9
Coetzee JA, Hill MP, Hussner A et al (2018) Invasive aquatic species. In: Hughes J (ed) Freshwater
ecology and conservation, approaches and techniques. Oxford University Press, Oxford, pp
338–358. https://doi.org/10.1093/oso/9780198766384.003.0016
Cohen J, Mirotchnick N, Leung B (2007) Thousands introduced annually: the aquarium pathway
for non-indigenous plants to the St Lawrence Seaway. Front Ecol Environ 5:528–532. https://
doi.org/10.1890/060137
Cook CDK (2004) Aquatic and wetland plants of Southern Africa. Backhuys Publishers, Leiden, pp
140–148
Dobson A, Bradshaw AD, Baker AJM (1997) Hopes for the future: restoration ecology and
conservation biology. Science 227:515–522. https://doi.org/10.1126/science.277.5325.515
Duarte CM (1995) Submerged aquatic vegetation in relation to different nutrient regimes. Ophelia
41:87–112. https://doi.org/10.1080/00785236.1995.10422039
Duarte L (2017) Water hyacinth invasion on Guadiana River. Some number, facts and thoughts.
Steemit. Biology-Blogs https://steemit.com/biology/@liliana.duarte/water-hyacinth-invasionon-guadiana-river-some-numbers-facts-and-thoughts. Accessed 15 Jun 2017
Duggan IC (2010) The freshwater aquarium trade as a vector for incidental invertebrate fauna. Biol
Invasions 12:3757–3770. https://doi.org/10.1007/s10530-010-9768-x
Faulkner KT, Hurley BP, Robertson MP et al (2017) The balance of trade in alien species between
South Africa and the rest of Africa. Bothalia 47(2):a2157. https://doi.org/10.4102/abc.v47i2.
2157
Fraser G, Martin J, Hill MP (2016) Economic evaluation of water loss saving due to the biological
control of water hyacinth at New Year’s Dam, Eastern Cape Province, South Africa. Afr J Aquat
Sci 41:227–234. https://doi.org/10.2989/16085914.2016.1151765
Harvey JA, Bukovinszky T, van der Putten WH (2010) Interactions between invasive plants and
insect herbivores: a plea for a multitrophic perspective. Biol Conserv 143:2251–2259. https://
doi.org/10.1016/j.biocon.2010.03.004
Heidbüchel P, Kuntz K, Hussner A (2016) Alien aquatic plants do not have higher fragmentation
rates than native species: a field study from the River Erft. Aquat Sci 78(4):767–777. https://doi.
org/10.1007/s00027-016-0468-1
Henderson L, Wilson JRU (2017) Changes in the composition and distribution of alien plants in
South Africa: An update from the Southern African Plant Invaders Atlas. Bothalia 47(2):a2172.
https://doi.org/10.4102/abc.v47i2.2172
Hill MP (2003) The impact and control of alien aquatic vegetation in South African aquatic
ecosystems. Afr J Aquat Sci 28:19–24. https://doi.org/10.2989/16085914.2003.9626595
Hill MP, Coetzee JA (2017) The biological control of aquatic weeds in South Africa: current status
and future challenges. Bothalia 47(2):a2152. https://doi.org/10.4102/abc.v47i2.2152
Hill MP, Olckers T (2001) Biological control initiatives against water hyacinth in South Africa:
Constraining factors, success and new courses of action. In: Julien MH, Center TD, Hill MP
(eds) Proceedings of the Second Global Working Group Meeting for the Biological and
Integrated Control of Water Hyacinth, Beijing, China, 9–12 October 2000, pp 33–38
Hill MP, Moran VC, Hoffmann JH et al (2020) More than a century of biological control against
invasive alien plants in South Africa: a synoptic view of what has been accomplished. In: van
Wilgen BW, Measey J, Richardson DM, Wilson JR, Zengeya TA (eds) Biological invasions in
South Africa. Springer, Berlin, pp 549–568. https://doi.org/10.1007/978-3-030-32394-3_19
112
M. P. Hill et al.