Alien plant survey of the Haenertsburg village Limpopo

Alien plant survey of the Haenertsburg village, Limpopo province, South Africa Moleseng Claude Moshobane Biological Invasions Directorate, SANBI, Thohoyandou m. moshobane@sanbi. org. za

Impact of invasive species Ø Biodiversity Ø Economy Ø Public Health (Vilà et al. 2011; Pimentel et al. 2000; Moshobane et al 2017)

Globalization

Human factor at the centre

@ Claude Moshobane

Escapees from Cultivation @ Claude Moshobane

Mopani

Human & animal health at risk…. severe respiratory, asthma & skin allergic reactions kill at Ga-Ntata Photos: Goats S. Adkins

Impact on public health 800+ 1 = 2 people Moshobane et al. review

661 237 62 38 11 Haenertsburg 36 8 19 7 1

Situation right now

Back in the days Photos 1930 (F. Groth) �Habitat transformation, Destruction, Human settlement, and Alien species.

Critically endangered Woodbush Granite Grassland

Village to grassland survey �Roadside adapted Mc. Lean et al (2018) Main roads, Major streets, and settlement- wilderness interchange �Hotspots Rusterholz et al. (2012) Landfil sites, Rivers & Schools

Results from village surveys �A total of 136 taxa � 49 families (106 genera) �Asteraceae and Rosaceae Bambusoideae, Desmodium, Helichrysum, Rhododendron, Rubus, Sonchus, and Yucca

NEM: BA Categories of species found

Village survey & SAPIA

Eradication targets (NEM: BA 1 a) �Biological Invasions Directorate, Eradication target species Coreopsis lanceolata L Iris pseudacorus L Cytisus scoparius Link Pueraria montana Merr

- Salvia coccinea (Scalert sage)

Illegal dumping in WGG

Illegal conveyance in WGG

Conclusion �IAS is a major threat to WGG �Garden and forestry escapees are main sources of IAS �WGG should be prioritized

Thank you m. moshobane@sanbi. org. za 29