Results 151 to 160 of about 2,631,335 (336)

The unique morphological basis and repeated evolutionary origins of personate flowers in Penstemon

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Adaptive radiation in ecologically and morphologically diverse plant lineages presents an opportunity to investigate the rapid evolution of novel floral traits. While some types of floral traits, such as flower color, are well characterized, other types of complex morphologies remain understudied.
Trinity H. Depatie, Carolyn A. Wessinger
wiley   +1 more source

Rickettsia aeschlimannii: A New Pathogenic Spotted Fever Group Rickettsia, South Africa

open access: yesEmerging Infectious Diseases, 2002
Anne-Marie Pretorius, Richard J. Birtles
doaj   +1 more source

Arbitration Foundation of South Africa

open access: yesÈkonomika, Pedagogika i Pravo, 2016
In the present article author explores the history and legal framework for the creation and operation of international commercial arbitration in South Africa.
Vladimir O. Kramarenko
doaj  

New and interesting Campylopus records from South Africa [PDF]

open access: yes, 2004
New records are presented based on a collection of Campylopus specimens made by the second author in the Western Cape Province of South Africa. The austral species Campylopus clavatus (R. Brown) Wils. in Hook. and Campylopus vesticaulis Mitt.
Frahm, Jan-Peter, Hedderson, Terry
core  

Climate‐change‐driven shifts in C3 and C4 grass distributions and leaf traits could lead to changes in community‐level flammability

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Climate change poses challenges to grasslands, including those of the North American Great Plains Region, where shifts in species distributions and fire dynamics are expected. Our present analysis focuses on remaining grasslands within this largely developed and agricultural region. The differential responses of C4 and C3 grass species
Sarah L. Raubenheimer   +3 more
wiley   +1 more source

The efficacy and usability of motivational interviewing just‐in‐time trainings for youth mentors

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract Using youth mentors to deliver evidence‐based psychosocial services has been proposed to increase the reach of treatments, in part given the affordability and ubiquity of mentors in youth settings. Further, tests of mentor‐delivered motivational interviewing (MI) have shown increases in youth mentees' academic performance and wellbeing.
Mackenzie J. Hart   +4 more
wiley   +1 more source

Troubling Signs for South African Democracy under the ANC [PDF]

open access: yes, 2007
Thirteen years ago, South Africa underwent a peaceful transition from white minority rule to majority rule. Today, the country is a stable multiparty democracy.
Marian L. Tupy
core  

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