Search Results - "Botha, Judith"

Soils and fire jointly determine vegetation structure in an African savanna by Staver, A. Carla, Botha, Judith, Hedin, Lars

“…Savanna vegetation is variable, and predicting how water, nutrients, and chronic disturbances interact to determine vegetation structure in savannas represents…”
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Anthropogenic influences on conservation values of white rhinoceros by Ferreira, Sam M, Botha, Judith M, Emmett, Megan C

“…White rhinoceros (rhinos) is a keystone conservation species and also provides revenue for protection agencies. Restoring or mimicking the outcomes of impeded…”
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Evidence that residues of tebuthiuron arboricide present in soil of Mokala National Park can be phytotoxic to woody and grass species by Reinhardt, Carl F., Bezuidenhout, Hugo, Botha, Judith M.

“…Mokala National Park (MoNP) has a history of arboricide use through South African National Parks (SANPs) having bought commercial game farmland for its…”
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Heterogeneity in African savanna elephant distributions and their impacts on trees in Kruger National Park, South Africa by Abraham, Joel O., Goldberg, Emily R., Botha, Judith, Staver, A. Carla

“…Though elephants are a major cause of savanna tree mortality and threaten vulnerable tree species, managing their impact remains difficult, in part because…”
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Pollution impacts on the aquatic ecosystems of the Kruger National Park, South Africa by Riddell, Eddie S., Govender, Danny, Botha, Judith, Sithole, Hendrik, Petersen, Robin M., Shikwambana, Purvance

“…The Kruger National Park (KNP) is a savanna ecosystem situated in the middle reaches of five large, dynamic and biologically diverse transboundary river…”
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Reflecting on research produced after more than 60 years of exclosures in the Kruger National Park by Wigley-Coetsee, Corli, Strydom, Tercia, Govender, Danny, Thompson, Dave I., Govender, Navashni, Botha, Judith, Simms, Chenay, Manganyi, Adolf, Kruger, Laurence, Venter, Jacques, Greaver, Cathy, Smit, Izak P.

“…Herbivores are a main driver of ecosystem patterns and processes in semi-arid savannas, with their effects clearly observed when they are excluded from…”
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Differential herbivore occupancy of fire-manipulated savannas in the Satara region of the Kruger National Park, South Africa by Dlamini, Thobile B., Reilly, Brian K., Thompson, Dave I., Burkepile, Deron E., Botha, Judith M., Rebelo, Anthony G.

“…The Kruger National Park's (KNP) long-running experimental burn plots (EBPs) have a history of research projects, which improve the understanding of fire in…”
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Collating biodiversity occurrence data for conservation by Spear, Dian, van Wilgen, Nicola J., Rebelo, Anthony G., Botha, Judith M.

“…Plant and animal checklists, with conservation status information, are fundamental for conservation management. Historical field data, more recent data of…”
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Grazer movements exacerbate grass declines during drought in an African savanna by Staver, A. Carla, Wigley‐Coetsee, Corli, Botha, Judith, Sankaran, Mahesh

“…Rainfall variability, including drought, consistently translates into variation in grass productivity in savanna ecosystems. These variations in grass…”
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The hard lives of trees in African savanna—Even without elephants by Coetsee, Corli, Botha, Judith, Case, Madelon F., Manganyi, Adolf, Siebert, Frances

“…The ongoing loss of large trees and densification of shrubs are two prevalent processes that take place in African savannas, with profound consequences for…”
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Diatom responses to river water quality in the Kruger National Park, South Africa by Shikwambana, Purvance, Taylor, Jonathan C., Govender, Danny, Botha, Judith

“…Background: Although the Kruger National Park (KNP) is a protected area, it is not exempted from anthropogenically induced impacts, which often compromise…”
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Drowning in data, thirsty for information and starved for understanding: A biodiversity information hub for cooperative environmental monitoring in South Africa by MacFadyen, Sandra, Allsopp, Nicky, Altwegg, Res, Archibald, Sally, Botha, Judith, Bradshaw, Karen, Carruthers, Jane, De Klerk, Helen, de Vos, Alta, Distiller, Greg, Foord, Stefan, Freitag-Ronaldson, Stefanie, Gibbs, Richard, Hamer, Michelle, Landi, Pietro, MacFadyen, Duncan, Manuel, Jeffrey, Midgley, Guy, Moncrieff, Glenn, Munch, Zahn, Mutanga, Onisimo, Sershen, Nenguda, Rendani, Ngwenya, Mzabalazo, Parker, Daniel, Peel, Mike, Power, John, Pretorius, Joachim, Ramdhani, Syd, Robertson, Mark, Rushworth, Ian, Skowno, Andrew, Slingsby, Jasper, Turner, Andrew, Visser, Vernon, Van Wageningen, Gerhard, Hui, Cang

“…The world is firmly cemented in a notitian age (Latin: notitia, meaning data) – drowning in data, yet thirsty for information and the synthesis of knowledge…”
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Optimizing waist circumference cut-points for the metabolic syndrome in a South African cohort at 3-year follow-up: the SABPA prospective cohort by Hoebel, Svelka, Malan, Leoné, Botha, Judith, Swanepoel, Mariëtte

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When less is more: heterogeneity in grass patch height supports herbivores in counter-intuitive ways by Grant, Rina CC, Botha, Judith, Grant, Thelani C, Peel, Mike JS, Smit, Izak PJ

“…Herbivores are an integral part of the African landscape and have evolved with the vegetation to create the savanna landscape. Managers of these landscapes can…”
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Long-term effects of fire frequency and season on herbaceous vegetation in savannas of the Kruger National Park, South Africa by Smith, Melinda D., van Wilgen, Brian W., Burns, Catherine E., Govender, Navashni, Potgieter, Andre L. F., Andelman, Sandy, Biggs, Harry C., Botha, Judith, Trollope, Winston S. W.

“…Aims: The long-term effects of changing fire regimes on the herbaceous component of savannas are poorly understood but essential for understanding savanna…”
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