Search Results - "Potts, Alastair J."

Fuel trait effects on flammability of native and invasive alien shrubs in coastal fynbos and thicket (Cape Floristic Region) by Kraaij, Tineke, Msweli, Samukelisiwe T, Potts, Alastair J

“…In June 2017, extreme fires along the southern Cape coast of South Africa burnt native fynbos and thicket vegetation and caused extensive damage to plantations…”
Get full text

Automated mapping of Portulacaria afra canopies for restoration monitoring with convolutional neural networks and heterogeneous unmanned aerial vehicle imagery by Galuszynski, Nicholas C, Duker, Robbert, Potts, Alastair J, Kattenborn, Teja

“…Ecosystem restoration and reforestation often operate at large scales, whereas monitoring practices are usually limited to spatially restricted field…”
Get full text

Restoring South African subtropical succulent thicket using Portulacaria afra : root growth of cuttings differs depending on the harvest site during a drought by Potts, Alastair J, Duker, Robbert, Hunt, Kristen L, Tempel, Anize, Galuszynski, Nicholas C

“…The restoration of succulent thicket (the semi-arid components of the Albany Subtropical Thicket biome endemic to South Africa) has largely focused on the…”
Get full text

Application of High Resolution Melt analysis (HRM) for screening haplotype variation in a non-model plant genus: Cyclopia (Honeybush) by Galuszynski, Nicholas C, Potts, Alastair J

“…This study has three broad aims: to (a) develop genus-specific primers for High Resolution Melt analysis (HRM) of members of Cyclopia Vent., (b) test the…”
Get full text

Applied phylogeography of Cyclopia intermedia (Fabaceae) highlights the need for 'duty of care' when cultivating honeybush by Galuszynski, Nicholas C, Potts, Alastair J

“…The current cultivation and plant breeding of Honeybush tea (produced from members of Vent.) do not consider the genetic diversity nor structuring of wild…”
Get full text

Restoring South African subtropical succulent thicket using Portulacaria afra : exploring the rooting window hypothesis by Galuszynski, Nicholas C, Forbes, Ryan E, Rishworth, Gavin M, Potts, Alastair J

“…Drought prone, arid and semi-arid ecosystems are challenging to restore once degraded due to low levels of natural recruitment and survival of reintroduced…”
Get full text

Flammability of native and invasive alien plants common to the Cape Floristic Region and beyond: Fire risk in the wildland–urban interface by Kraaij, Tineke, Msweli, Samukelisiwe T, Potts, Alastair J

“…•Several alien invasive Pinus, Eucalyptus and Acacia species present high fire risk.•We rated the fire mitigation potential of various native fynbos and…”
Get full text

Fire weather effects on flammability of indigenous and invasive alien plants in coastal fynbos and thicket shrublands (Cape Floristic Region) by Msweli, Samukelisiwe T, Potts, Alastair J, Fritz, Herve, Kraaij, Tineke

“…Globally, and in the Cape Floristic Region of South Africa, extreme fires have become more common in recent years. Such fires pose societal and ecological…”
Get full text

Do Centres of Endemism provide a spatial context for predicting and preserving plant phylogeographic patterns in the Cape Floristic Region, South Africa? by Galuszynski, Nicholas C, Potts, Alastair J

“…The evolutionary forces that gave rise to the exceptional plant species richness of the Cape Floristic Region (CFR) have also likely played a role at the…”
Get full text

Catchments catch all in South African coastal lowlands: topography and palaeoclimate restricted gene flow in Nymania capensis (Meliaceae)-a multilocus phylogeographic and distribution modelling approach by Potts, Alastair J

“…This study investigates orbitally-forced range dynamics at a regional scale by exploring the evolutionary history of (Meliaceae) across the deeply incised…”
Get full text

The soil microbiomics of intact, degraded and partially-restored semi-arid succulent thicket (Albany Subtropical Thicket) by Schagen, Micaela, Bosch, Jason, Johnson, Jenny, Duker, Robbert, Lebre, Pedro, Potts, Alastair J., Cowan, Don A.

“…This study examines the soil bacterial diversity in the Portulacaria afra- dominated succulent thicket vegetation of the Albany Subtropical Thicket biome; this…”
Get full text

Site selection for subtropical thicket restoration: mapping cold-air pooling in the South African sub-escarpment lowlands by Duker, Robbert, Cowling, Richard M, van der Vyver, Marius L, Potts, Alastair J

“…Restoration of subtropical thicket in South Africa using the plant (an ecosystem engineer) has been hampered, in part, by selecting sites that are frost…”
Get full text

The response of geophytes to continuous human foraging on the Cape south coast, South Africa and its implications for early hunter-gatherer mobility patterns by Botha, M Susan, Cowling, Richard M, De Vynck, Jan C, Esler, Karen J, Potts, Alastair J

“…Current ecological understanding of plants with underground storage organs (USOs) suggests they have, in general, low rates of recruitment and thus as a…”
Get full text

Phylogenetic relationships in the southern African genus Drosanthemum (Ruschioideae, Aizoaceae) by Liede-Schumann, Sigrid, Grimm, Guido W, Nürk, Nicolai M, Potts, Alastair J, Meve, Ulrich, Hartmann, Heidrun E K

“…, the only genus of the tribe Drosanthemeae, is widespread over the Greater Cape Floristic Region in southern Africa. With 114 recognized species, together…”
Get full text

Seasonal availability of edible underground and aboveground carbohydrate resources to human foragers on the Cape south coast, South Africa by De Vynck, Jan C, Cowling, Richard M, Potts, Alastair J, Marean, Curtis W

“…The coastal environments of South Africa's Cape Floristic Region (CFR) provide some of the earliest and most abundant evidence for the emergence of cognitively…”
Get full text

Intertwining phylogenetic trees and networks by Schliep, Klaus, Potts, Alastair J., Morrison, David A., Grimm, Guido W., Fitzjohn, Richard

“…Summary The fields of phylogenetic tree and network inference have dramatically advanced in the past decade, but independently with few attempts to bridge…”
Get full text

Paleodistribution modeling in archaeology and paleoanthropology by Franklin, Janet, Potts, Alastair J., Fisher, Erich C., Cowling, Richard M., Marean, Curtis W.

“…Species distribution modeling (SDM) is a methodology that has been widely used in the past two decades for developing quantitative, empirical, predictive…”
Get full text

Variation in plant diversity in mediterranean-climate ecosystems: the role of climatic and topographical stability by Cowling, Richard M., Potts, Alastair J., Bradshaw, Peter L., Colville, Jonathan, Arianoutsou, Margarita, Ferrier, Simon, Forest, Felix, Fyllas, Nikolaos M., Hopper, Stephen D., Ojeda, Fernando, Procheş, Şerban, Smith, Rhian J., Rundel, Philip W., Vassilakis, Emmanuel, Zutta, Brian R.

“…Aim: Although all five of the major mediterranean-climate ecosystems (MCEs) of the world are recognized as loci of high plant species diversity and endemism,…”
Get full text

Constructing Phylogenies in the Presence Of Intra-Individual Site Polymorphisms (2ISPs) with a Focus on the Nuclear Ribosomal Cistron by Potts, Alastair J., Hedderson, Terry A., Grimm, Guido W.

“…Nuclear DNA is widely used to estimate phylogenetic and phylogeographic relationships. Nuclear gene variants may be present in an individual's genome, and…”
Get full text

A Winteraceae pollen tetrad from the early Paleocene of western Greenland, and the fossil record of Winteraceae in Laurasia and Gondwana by Grímsson, Friðgeir, Grimm, Guido W., Potts, Alastair J., Zetter, Reinhard, Renner, Susanne S.

“…Aim: Winteraceae comprise c. 130 species in seven genera, with the greatest species diversity in the Pacific (Pseudowintera, Zygogynum), Australia (Bubbia,…”
Get full text