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Plant Science and Agronomy
South Africa
2025

D-Index & Metrics

Plant Science and Agronomy

D-Index
60
Citations
11791
World Ranking
1229
National Ranking
13

Ecology and Evolution

D-Index
62
Citations
12493
World Ranking
2097
National Ranking
27

Research.com Recognitions

  • 2025 - Research.com Plant Science and Agronomy in South Africa Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Botany
  • Agriculture

Ed T.F. Witkowski spends much of his time researching Botany, Ecology, Woodland, Agroforestry and Shrub. His study in Botany is interdisciplinary in nature, drawing from both Nutrient, Agronomy and Horticulture. His Ecology research focuses on Microsite and how it relates to Hakea and Germination.

His work deals with themes such as Forest management, Natural resource and Sustainable management, which intersect with Woodland. His Agroforestry research integrates issues from Coppicing, Firewood, Grassland, Sustainability and Fire regime. The various areas that he examines in his Shrub study include Sclerophyll and Acacia saligna.

His most cited work include:

  • Leaf specific mass confounds leaf density and thickness (537 citations)
  • Population fragmentation may reduce fertility to zero in Banksia goodii — a demonstration of the Allee effect (353 citations)
  • Post-fire litter microsites: Safe for seeds, unsafe for seedlings (198 citations)

What are the main themes of his work throughout his whole career to date?

The scientist’s investigation covers issues in Ecology, Botany, Agroforestry, Agronomy and Woodland. His study in Ecology concentrates on Vegetation, Habitat, Biodiversity, Species richness and Herbivore. His Botany study incorporates themes from Nutrient and Horticulture.

His Agroforestry study combines topics in areas such as Agriculture, Livelihood, Environmental protection, Land use and Sustainability. Ed T.F. Witkowski interconnects Plant ecology, Woody plant and Biological pest control in the investigation of issues within Agronomy. His research integrates issues of Proteaceae and Fire ecology in his study of Shrub.

He most often published in these fields:

  • Ecology (46.46%)
  • Botany (25.98%)
  • Agroforestry (17.32%)

What were the highlights of his more recent work (between 2017-2021)?

  • Ecology (46.46%)
  • Biological pest control (6.30%)
  • Agronomy (16.54%)

In recent papers he was focusing on the following fields of study:

His primary areas of investigation include Ecology, Biological pest control, Agronomy, Weed and Herbivore. His work is dedicated to discovering how Ecology, Spatial distribution are connected with Spatial ecology and Woodland and other disciplines. His studies deal with areas such as Animal ecology, Plant growth and Lantana camara as well as Biological pest control.

His Agronomy study frequently draws connections to adjacent fields such as Vegetation. His Weed study combines topics from a wide range of disciplines, such as Biodiversity and Horticulture. His Herbivore research is multidisciplinary, incorporating perspectives in Shrub and Insect.

Between 2017 and 2021, his most popular works were:

  • Does host plant quality constrain the performance of the Parthenium beetle Zygogramma bicolorata (11 citations)
  • Wild Foods: Safety Net or Poverty Trap? A South African Case Study (11 citations)
  • A review of Solanum mauritianum biocontrol: prospects, promise and problems: a way forward for South Africa and globally (11 citations)

In his most recent research, the most cited papers focused on:

  • Ecology
  • Botany
  • Agriculture

His main research concerns Biological pest control, Ecology, Parthenium hysterophorus, Parthenium and Agronomy. Ed T.F. Witkowski works mostly in the field of Biological pest control, limiting it down to topics relating to Animal ecology and, in certain cases, Asteraceae, Greenhouse and Gall. His study brings together the fields of Sclerocarya birrea and Ecology.

His studies in Agronomy integrate themes in fields like Hakea, Woody plant, Fire ecology and Banksia. His Zygogramma bicolorata research is multidisciplinary, incorporating elements of Fecundity, Toxicology, Invasive species, Plant ecology and Insect. His Herbivore study is focused on Botany in general.

Best Publications

  • Leaf specific mass confounds leaf density and thickness

    E. T. F. Witkowski;Byron B. Lamont

  • Population fragmentation may reduce fertility to zero in Banksia goodii — a demonstration of the Allee effect

    Byron B. Lamont;Peter G. L. Klinkhamer;E. T. F. Witkowski

  • Regeneration by coppicing (resprouting) of miombo (African savanna) trees in relation to land use

    Emmanuel J Luoga;E.T.F Witkowski;Kevin Balkwill

  • Post-fire litter microsites: Safe for seeds, unsafe for seedlings

    Byron B. Lamont;E. T. F. Witkowski;N. J. Enright

  • Unraveling the commercial market for medicinal plants and plant parts on the witwatersrand, South Africa

    Vivienne L. Williams;Kevin Balkwill;Edward T. F. Witkowski

  • Effects of invasive alien acacias on nutrient cycling in the coastal lowlands of the cape fynbos

    E. T. F. Witkowski

  • Differential utilization and Ethnobotany of trees in Kitulanghalo forest reserve and surrounding communal lands, eastern Tanzania

    Emmanuel J. Luoga;E. T. F. Witkowski;Kevin Balkwill

  • Review of commonly used remote sensing and ground-based technologies to measure plant water stress

    M. Govender;M. Govender;P.J. Dye;I.M. Weiersbye;E.T.F. Witkowski

  • Harvested and standing wood stocks in protected and communal miombo woodlands of eastern Tanzania

    Emmanuel J Luoga;E.T.F Witkowski;Kevin Balkwill

  • Water requirements for germination and early seedling establishment in four African savanna woody plant species

    T.B. Wilson;E.T.F. Witkowski

  • Economics of charcoal production in miombo woodlands of eastern Tanzania: some hidden costs associated with commercialization of the resources

    E.J Luoga;E.T.F Witkowski;K Balkwill

  • Valuation of communal area livestock benefits, rural livelihoods and related policy issues

    Delali B.K. Dovie;Charlie M. Shackleton;E.T.F. Witkowski

  • Reviewing Biosphere Reserves globally: effective conservation action or bureaucratic label?

    Kaera L. Coetzer;Edward T. F. Witkowski;Barend F. N. Erasmus

  • Changes in density, biomass, seed production and soil seed banks of the non-native invasive plant, Chromolaena odorata, along a 15 year chronosequence

    E. T. F. Witkowski;M. Wilson

  • Variations in soil phosphorus in the fynbos biome, South Africa.

    E. T. F. Witkowski;D. T. Mitchell

  • The impact of commercial harvesting on Warburgia salutaris (‘pepper-bark tree’) in Mpumalanga, South Africa

    J. Botha;E.T.F. Witkowski;C.M. Shackleton

  • Market profiles and trade in medicinal plants in the Lowveld, South Africa

    J Botha;E T F Witkowski;Charlie Shackleton

  • Direct-use values of woodland resources consumed and traded in a South African village

    Delali B.K. Dovie;Charlie M. Shackleton;Ed T.F. Witkowski

  • Land‐use and cover changes (1988–2002) around budongo forest reserve, NW Uganda: implications for forest and woodland sustainability

    E. N. Mwavu;E. T. F. Witkowski

  • A decision-making framework for restoring riparian zones degraded by invasive alien plants in South Africa

    P. M. Holmes;David M. Richardson;K. J. Esler;E. T. F. Witkowski

  • Taxonomic, Edaphic and Biological Aspects of Narrow Plant Endemism on Matched Sites in Mediterranean South Africa and Australia

    R. M. Cowling;E. T. F. Witkowski;A. V. Milewski;K. R. Newbrey

Frequent Co-Authors

Byron B. Lamont
Byron B. Lamont Curtin University
Charlie M. Shackleton
Charlie M. Shackleton Rhodes University
Konrad J Wessels
Konrad J Wessels George Mason University
Renaud Mathieu
Renaud Mathieu International Rice Research Institute
Sally Archibald
Sally Archibald University of the Witwatersrand
Gregory P. Asner
Gregory P. Asner Arizona State University
Neal J. Enright
Neal J. Enright Murdoch University
Karen J. Esler
Karen J. Esler Stellenbosch University
Timothy G. O’Connor
Timothy G. O’Connor University of the Witwatersrand
David A. Baum
David A. Baum University of Wisconsin–Madison

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