D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Ecology and Evolution D-index 34 Citations 5,433 157 World Ranking 5036 National Ranking 51

Overview

What is he best known for?

The fields of study he is best known for:

  • Genus
  • Ecology
  • Botany

Nigel P. Barker spends much of his time researching Ecology, Biological dispersal, Endemism, Taxon and Monophyly. His work deals with themes such as Phylogeography and Vicariance, which intersect with Ecology. The concepts of his Biological dispersal study are interwoven with issues in Isolation by distance, Genetic structure and Population genetics.

Nigel P. Barker has researched Endemism in several fields, including Escarpment, Biodiversity and Climate change. His research in Monophyly intersects with topics in Zoology, Maximum parsimony, Botany, Pentaschistis and Supertree. His research integrates issues of Pooideae and Chloridoideae in his study of Botany.

His most cited work include:

  • Phylogeny and subfamilial classification of the grasses (Poaceae) (590 citations)
  • Grasses of Southern Africa. (230 citations)
  • Contrasted patterns of hyperdiversification in Mediterranean hotspots. (173 citations)

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

Nigel P. Barker mostly deals with Ecology, Botany, Evolutionary biology, Endemism and Cape. His Ecology study combines topics from a wide range of disciplines, such as Escarpment, Phylogeography and Biological dispersal. The various areas that he examines in his Botany study include Arundinoideae and Monophyly.

Nigel P. Barker has included themes like Clade, Genetic diversity, Lineage, Genetic variation and Rytidosperma in his Evolutionary biology study. His studies in Endemism integrate themes in fields like Floristics and Biota. The Taxon study combines topics in areas such as Proteaceae and Biogeography.

He most often published in these fields:

  • Ecology (52.02%)
  • Botany (31.21%)
  • Evolutionary biology (18.50%)

What were the highlights of his more recent work (between 2016-2021)?

  • Ecology (52.02%)
  • Evolutionary biology (18.50%)
  • Biodiversity (12.72%)

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

His primary scientific interests are in Ecology, Evolutionary biology, Biodiversity, Habitat and Negative selection. His Ecology study frequently draws connections between adjacent fields such as Phylogeography. The study incorporates disciplines such as Scutellastra, Foraging and Genetic divergence in addition to Evolutionary biology.

Nigel P. Barker interconnects Global warming, Species richness, Physical geography and Land use in the investigation of issues within Biodiversity. His Negative selection study integrates concerns from other disciplines, such as Intraspecific competition, Effective population size, Genetic variation and DNA barcoding. His Genetic structure study deals with Algae intersecting with Biological dispersal and Range.

Between 2016 and 2021, his most popular works were:

  • The Cuito catchment of the Okavango system: a vascular plant checklist for the Angolan headwaters. (8 citations)
  • Range contraction to a higher elevation: the likely future of the montane vegetation in South Africa and Lesotho (8 citations)
  • Range contraction to a higher elevation: the likely future of the montane vegetation in South Africa and Lesotho (8 citations)

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

  • Genus
  • Ecology
  • Botany

The scientist’s investigation covers issues in Biodiversity, Ecology, Conservation planning, Climate change and Range. Ecology is a component of his Threatened species, Cycad, Species distribution, Habitat and Critically endangered studies. His Conservation planning research is multidisciplinary, relying on both Drainage basin and Checklist.

His Climate change research includes themes of Manica and Sustainability. Nigel P. Barker combines subjects such as Land use, Global warming, Species richness, Beta diversity and Physical geography with his study of Range. Nigel P. Barker integrates several fields in his works, including Global warming and Environmental niche modelling.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Phylogeny and subfamilial classification of the grasses (Poaceae)

N. P. Barker;L. G. Clark;J. I. Davis.
Annals of the Missouri Botanical Garden (2001)

710 Citations

Grasses of Southern Africa.

.
Grasses of Southern Africa. (1990)

479 Citations

Contrasted patterns of hyperdiversification in Mediterranean hotspots.

.
Proceedings of the National Academy of Sciences of the United States of America (2009)

222 Citations

A review of marine phylogeography in southern Africa

.
South African Journal of Science (2011)

218 Citations

Molecular dating of the ‘Gondwanan’ plant family Proteaceae is only partially congruent with the timing of the break‐up of Gondwana

.
Journal of Biogeography (2007)

207 Citations

Phylogeny of the tribe Indigofereae (Leguminosae–Papilionoideae): Geographically structured more in succulent-rich and temperate settings than in grass-rich environments

.
American Journal of Botany (2009)

155 Citations

Phylogeny, biogeography and classification of the snake superfamily Elapoidea: a rapid radiation in the late Eocene

.
Cladistics (2009)

154 Citations

Phylogenetics of advanced snakes (Caenophidia) based on four mitochondrial genes.

.
Systematic Biology (2003)

141 Citations

Polyphyly of Arundinoideae (Poaceae): Evidence from rbcL Sequence Data

.
Systematic Botany (1995)

134 Citations

Implications of life history for genetic structure and migration rates of southern African coastal invertebrates: planktonic, abbreviated and direct development

.
Marine Biology (2007)

127 Citations

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