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
Biology and Biochemistry D-index 45 Citations 9,265 165 World Ranking 15613 National Ranking 6502

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Genus
  • Ecology

Botany, Ecology, Phylogenetic tree, Evolutionary biology and Phylogenetics are his primary areas of study. His study in the fields of Pollen under the domain of Botany overlaps with other disciplines such as Coreopsis nuecensis. Monophyly and Hybrid speciation are the primary areas of interest in his Phylogenetic tree study.

His work carried out in the field of Hybrid speciation brings together such families of science as Chloroplast DNA, Chloroplast capture, Nucleic acid, Intergenic region and Reticulate evolution. Daniel J. Crawford has included themes like Internal transcribed spacer, Inuleae, Taxonomic rank, Nuclear gene and Systematics in his Evolutionary biology study. His studies link Disjunct distribution with Phylogenetics.

His most cited work include:

  • Chloroplast DNA phylogeny, reticulate evolution, and biogeography of Paeonia (Paeoniaceae). (1172 citations)
  • Clonal diversity in the rare Calamagrostis porteri ssp. insperata (Poaceae): comparative results for allozymes and random amplified polymorphic DNA (RAPD) and intersimple sequence repeat (ISSR) markers (345 citations)
  • Plant genetic diversity in the Canary Islands: a conservation perspective (264 citations)

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

Daniel J. Crawford mostly deals with Botany, Ecology, Evolutionary biology, Genus and Taxon. The Botany study combines topics in areas such as Monophyly and Phylogenetic tree. In his study, which falls under the umbrella issue of Ecology, Genetic variation is strongly linked to Genetic diversity.

His studies deal with areas such as Allopatric speciation, Polyploid, Plant evolution, Tolpis and Phylogenetics as well as Evolutionary biology. His work on Subgenus as part of general Genus study is frequently connected to Flavonols, therefore bridging the gap between diverse disciplines of science and establishing a new relationship between them. His Taxon research is multidisciplinary, relying on both Plant ecology and Divergence.

He most often published in these fields:

  • Botany (53.98%)
  • Ecology (25.57%)
  • Evolutionary biology (22.16%)

What were the highlights of his more recent work (between 2008-2020)?

  • Ecology (25.57%)
  • Archipelago (11.93%)
  • Genetic diversity (11.93%)

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

Daniel J. Crawford focuses on Ecology, Archipelago, Genetic diversity, Tolpis and Genetic variation. His work in Ecology tackles topics such as Genetic divergence which are related to areas like Allopatric speciation. His work in Genetic diversity covers topics such as Zoology which are related to areas like Species complex.

His Tolpis study also includes fields such as

  • Selfing which is related to area like Small population size,
  • Lineage which is related to area like Evolutionary biology and Phylogenomics,
  • Fertility most often made with reference to Hybrid,
  • Pollen which is related to area like Whole genome sequencing, Genomics, Gene, Quantitative trait locus and Genetics. Botany covers he research in Asteraceae. In his research, Daniel J. Crawford undertakes multidisciplinary study on Botany and Lemnoideae.

Between 2008 and 2020, his most popular works were:

  • Conservation of oceanic island floras: present and future global challenges. (221 citations)
  • Phylogeny and Systematics of Lemnaceae, the Duckweed Family (154 citations)
  • Phylogeny and Systematics of Lemnaceae, the Duckweed Family (154 citations)

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

  • Botany
  • Genus
  • Ecology

Daniel J. Crawford mainly focuses on Genetic diversity, Ecology, Genetic variation, Botany and Zoology. The concepts of his Genetic diversity study are interwoven with issues in Archipelago, Population genetics and Endemism. In the field of Ecology, his study on Hesperomannia, Dioecy and Commidendrum overlaps with subjects such as Christmas Island and Colonisation.

His Botany study frequently intersects with other fields, such as Paraphyly. The study incorporates disciplines such as Ecological speciation and Hybrid zone in addition to Zoology. His research in Wolffiella intersects with topics in Phylogenetics, Monophyly and Phylogenetic tree.

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

Chloroplast DNA phylogeny, reticulate evolution, and biogeography of Paeonia (Paeoniaceae).

Tao Sang;Daniel J. Crawford;Tod F. Stuessy.
American Journal of Botany (1997)

1709 Citations

Clonal diversity in the rare Calamagrostis porteri ssp. insperata (Poaceae): comparative results for allozymes and random amplified polymorphic DNA (RAPD) and intersimple sequence repeat (ISSR) markers

E. J. Esselman;L. Jianqiang;D. J. Crawford;J. L. Windus.
Molecular Ecology (1999)

530 Citations

Plant genetic diversity in the Canary Islands: a conservation perspective

Javier Francisco-Ortega;Arnoldo Santos-Guerra;Seung-Chul Kim;Daniel J. Crawford.
American Journal of Botany (2000)

370 Citations

Conservation of oceanic island floras: present and future global challenges.

Juli Caujapé-Castells;Alan Tye;Daniel J. Crawford;Arnoldo Santos-Guerra.
Perspectives in Plant Ecology Evolution and Systematics (2010)

343 Citations

Phylogeny and Systematics of Lemnaceae, the Duckweed Family

Donald H. Les;Daniel J. Crawford;Daniel J. Crawford;Elias Landolt;John D. Gabel.
Systematic Botany (2009)

283 Citations

Timing the Eastern Asian–Eastern North American Floristic Disjunction: Molecular Clock Corroborates Paleontological Estimates

Qiu-Yun Xiang;Douglas E. Soltis;Pamela S. Soltis;Steven R. Manchester.
Molecular Phylogenetics and Evolution (2000)

258 Citations

Enzyme Electrophoresis and Plant Systematics

Daniel J. Crawford.
(1989)

251 Citations

Pleistocene refugium endemics exhibit greater allozymic diversity than widespread congeners in the genus Polygonella (Polygonaceae)

Paul O. Lewis;Daniel J. Crawford.
American Journal of Botany (1995)

238 Citations

Radiation of the endemic genus Dendroseris (Asteraceae) on the Juan Fernandez Islands: evidence from sequences of the its regions of nuclear ribosomal DNA

Tao Sang;Daniel J. Crawford;Sueng-Chul Kim;Tod F. Stuessy.
American Journal of Botany (1994)

225 Citations

Breeding System and pollination of selected plants endemic to Juan Fernandez Islands.

Gregory J. Anderson;Gabriel Bernardello;Tod F. Stuessy;Daniel J. Crawford.
American Journal of Botany (2001)

204 Citations

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