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Nolte, P.L.; Wessels, Johanna C.; Prinsloo, Christina (Reineth)
(Central University of Technology, Free State (CUT), 2009)
Adolescent and young adult university students' decreasing physical activity
levels impact considerably on their psychological stress levels. Acute and
long-term bouts of exercise can reduce psychological stress (Taylor, ...
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Chapwanya, Michael; Lubuma, Jean M.-S.; Mickens, Ronald E.
(Wiley, 2013-01)
We compare and investigate the performance of the exact scheme of the Michaelis-Menten
(M-M) ordinary differential equation with several new non-standard finite difference (NSFD)
schemes that we construct by using Mickens’ ...
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Scott, Katherine Anne; Hlela, Quinsile; Zablocki, Olivier; Read, David; Van Vuuren, Stephanus; Pietersen, Gerhard
(Springer, 2013-01)
Citrus tristeza virus (CTV) causes severe losses in grapefruit production in South Africa and requires mild
strain cross-protection to maintain production. Unfortunately cross-protection breakdown of the pre4
immunizing ...
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De Bruyn, P.J. Nico; Tosh, Cheryl A.; Terauds, Aleks
(John Wiley & Sons, Inc., 2013-02)
Killer whales, Orcinus orca, are top predators occupying key ecological roles in a
variety of ecosystems and are one of the most widely distributed mammals on the
planet. In consequence, there has been significant interest ...
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Zöttl, Markus; Lienert, Raphaela; Clutton-Brock, Tim; Millesi, Eva; Manser, Marta B.
(Oxford University Press, 2013)
Behavioral responses of animals to direct predator cues (DPC; e. g. urine) are common
and may improve their survival. We investigated wild meerkat (Suricata suricatta) responses
to DPCs by taking an experimental approach. ...