Ladd E. Johnson

4.3k total citations · 1 hit paper
76 papers, 3.3k citations indexed

About

Ladd E. Johnson is a scholar working on Oceanography, Ecology and Global and Planetary Change. According to data from OpenAlex, Ladd E. Johnson has authored 76 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 59 papers in Oceanography, 51 papers in Ecology and 26 papers in Global and Planetary Change. Recurrent topics in Ladd E. Johnson's work include Marine and coastal plant biology (49 papers), Marine Biology and Ecology Research (44 papers) and Coastal wetland ecosystem dynamics (21 papers). Ladd E. Johnson is often cited by papers focused on Marine and coastal plant biology (49 papers), Marine Biology and Ecology Research (44 papers) and Coastal wetland ecosystem dynamics (21 papers). Ladd E. Johnson collaborates with scholars based in Canada, United States and Chile. Ladd E. Johnson's co-authors include James T. Carlton, Susan H. Brawley, Anthony Ricciardi, Dianna K. Padilla, Patrick Gagnon, John H. Himmelman, Clifford E. Kraft, Richard R. Strathmann, Jonathan M. Bossenbroek and Anissa Merzouk and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Ecology and Scientific Reports.

In The Last Decade

Ladd E. Johnson

75 papers receiving 3.0k citations

Hit Papers

Global regime shift dynam... 2014 2026 2018 2022 2014 100 200 300 400
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Global regime shift dynamics of catastrophic sea urchin overgrazing
    2014 402 citations SD Ling, Robert E. Scheibling et al. Philosophical Transactions of the Royal Society B Biological Sciences profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
Ladd E. Johnson 2.3k 1.8k 1.0k 737 252 76 3.3k
Tasman P. Crowe 1.9k 0.8× 2.1k 1.1× 1.5k 1.5× 402 0.5× 237 0.9× 108 3.5k
Jennifer L. Ruesink 1.8k 0.8× 1.9k 1.1× 2.2k 2.1× 619 0.8× 112 0.4× 93 3.8k
Rebecca L. Kordas 2.3k 1.0× 3.6k 2.0× 2.1k 2.1× 240 0.3× 178 0.7× 21 4.5k
Teresa Alcoverro 3.7k 1.6× 3.9k 2.2× 1.2k 1.2× 428 0.6× 96 0.4× 130 5.0k
Laura F. Rodriguez 1.6k 0.7× 1.3k 0.7× 1.3k 1.3× 410 0.6× 76 0.3× 6 2.7k
Richard W. Osman 1.7k 0.8× 2.1k 1.2× 1.9k 1.9× 429 0.6× 209 0.8× 41 3.6k
Paul E. Gribben 1.3k 0.6× 1.4k 0.8× 908 0.9× 290 0.4× 86 0.3× 100 2.3k
Joan Enric Cartes 2.5k 1.1× 1.6k 0.9× 2.5k 2.5× 595 0.8× 221 0.9× 120 3.9k
Angelo Tursi 1.7k 0.8× 785 0.4× 1.6k 1.6× 453 0.6× 127 0.5× 103 2.6k
Bayram Öztürk 1.2k 0.5× 605 0.3× 1.2k 1.2× 362 0.5× 287 1.1× 124 2.8k

Countries citing papers authored by Ladd E. Johnson

Since Specialization
Citations

This map shows the geographic impact of Ladd E. Johnson's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ladd E. Johnson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ladd E. Johnson more than expected).

Fields of papers citing papers by Ladd E. Johnson

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ladd E. Johnson. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ladd E. Johnson. The network helps show where Ladd E. Johnson may publish in the future.

Co-authorship network of co-authors of Ladd E. Johnson

This figure shows the co-authorship network connecting the top 25 collaborators of Ladd E. Johnson. A scholar is included among the top collaborators of Ladd E. Johnson based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ladd E. Johnson. Ladd E. Johnson is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
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Guardia, Laura Castro de la, Karen Filbee‐Dexter, Ignacio Garrido, et al.. (2023). Increasing depth distribution of Arctic kelp with increasing number of open water days with light. Elementa Science of the Anthropocene. 11(1). 11 indexed citations
3.
Johnson, Ladd E., et al.. (2022). Effects of sediment on spore performance as a potential constraint on kelp distribution. Marine Pollution Bulletin. 185(Pt B). 114336–114336. 7 indexed citations
4.
Morrison, Hilary G., Aschwin H. Engelen, Ester Á. Serrão, et al.. (2021). The microbiome of the habitat‐forming brown alga Fucus vesiculosus (Phaeophyceae) has similar cross‐Atlantic structure that reflects past and present drivers1. Journal of Phycology. 57(6). 1681–1698. 23 indexed citations
5.
McKindsey, Christopher W., et al.. (2020). Larval supply is a limited determinant of settlement at mesoscales across an anthropogenic seascape. Hydrobiologia. 847(19). 4015–4029. 1 indexed citations
6.
Morrison, Hilary G., et al.. (2020). Bacterial Communities Show Algal Host (Fucus spp.)/Zone Differentiation Across the Stress Gradient of the Intertidal Zone. Frontiers in Microbiology. 11. 563118–563118. 20 indexed citations
7.
Cárdenas, Leyla, Jean‐Charles Leclerc, Ignacio Garrido, et al.. (2020). First mussel settlement observed in Antarctica reveals the potential for future invasions. Scientific Reports. 10(1). 5552–5552. 53 indexed citations
8.
McKindsey, Christopher W., et al.. (2016). Dynamics of recruitment and establishment of the invasive seaweed Codium fragile within an eelgrass habitat. Marine Biology. 163(3). 61–61. 3 indexed citations
9.
Tamigneaux, Éric & Ladd E. Johnson. (2016). Les macroalgues du Saint-Laurent : une composante essentielle d’un écosystème marin unique et une ressource naturelle précieuse dans un contexte de changement global. Érudit (Université de Montréal). 140(2). 62–73. 12 indexed citations
10.
Devillers, Rodolphe, et al.. (2015). Delineating marine ecological units: a novel approach for deciding which taxonomic group to use and which taxonomic resolution to choose. Diversity and Distributions. 21(10). 1167–1180. 10 indexed citations
11.
Ling, SD, Robert E. Scheibling, Andrew Rassweiler, et al.. (2014). Global regime shift dynamics of catastrophic sea urchin overgrazing. Philosophical Transactions of the Royal Society B Biological Sciences. 370(1659). 20130269–20130269. 402 indexed citations breakdown →
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Simons, Rachel D., Stephen G. Monismith, François J. Saucier, Ladd E. Johnson, & Gesche Winkler. (2010). Modelling stratification and baroclinic flow in the estuarine transition zone of the St. Lawrence estuary. ATMOSPHERE-OCEAN. 48(2). 132–146. 18 indexed citations
15.
Bossenbroek, Jonathan M., Ladd E. Johnson, Brett Peters, & David M. Lodge. (2007). Forecasting the Expansion of Zebra Mussels in the United States. Conservation Biology. 21(3). 800–810. 117 indexed citations
16.
Garton, David W. & Ladd E. Johnson. (2000). Variation in growth rates of the zebra mussel, Dreissena polymorpha, within Lake Wawasee. Freshwater Biology. 45(4). 443–451. 40 indexed citations
17.
Brawley, Susan H., Ladd E. Johnson, Gareth A. Pearson, et al.. (1999). Gamete Release at Low Tide in Fucoid Algae: Maladaptive or Advantageous?. American Zoologist. 39(2). 218–229. 46 indexed citations
18.
Johnson, Ladd E. & Susan H. Brawley. (1998). Dispersal and recruitment of a canopy-forming intertidal alga: the relative roles of propagule availability and post-settlement processes. Oecologia. 117(4). 517–526. 71 indexed citations
19.
Davison, I. R., Ladd E. Johnson, & Susan H. Brawley. (1993). Sublethal stress in the intertidal zone: tidal emersion inhibits photosynthesis and retards development in embryos of the brown alga Pelvetia fastigiata. Oecologia. 96(4). 483–492. 35 indexed citations
20.
Johnson, Ladd E.. (1992). Potential and peril of field experimentation: the use of copper to manipulate molluscan herbivores. Journal of Experimental Marine Biology and Ecology. 160(2). 251–262. 31 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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