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

align trajectories

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.

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 →

Peers

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

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20 of 20 papers shown

#	Work	Indexed citations
1	Drift Algal Accumulation in Ice Scour Pits Provides an Underestimated Ecological Subsidy in a Novel Antarctic Soft-Sediment Habitat 2023 ·Biology ·Ignacio Garrido, Heather Hawk, (unknown), Luis Miguel Pardo, Ladd E. Johnson	1
2	Increasing depth distribution of Arctic kelp with increasing number of open water days with light 2023 ·Elementa Science of the Anthropocene ·Laura Castro de la Guardia, Karen Filbee‐Dexter, (unknown), (unknown), Ignacio Garrido, Rakesh Kumar Singh, Simon Bélanger, Brenda Konar, Katrin Iken, Ladd E. Johnson, Philippe Archambault, Mikael K. Sejr, Janne E. Søreide, C. J. Mundy	11
3	Effects of sediment on spore performance as a potential constraint on kelp distribution 2022 ·Marine Pollution Bulletin ·(unknown), Ladd E. Johnson, Isabelle M. Côté	7
4	The microbiome of the habitat‐forming brown alga Fucus vesiculosus (Phaeophyceae) has similar cross‐Atlantic structure that reflects past and present drivers¹ 2021 ·Journal of Phycology ·(unknown), Hilary G. Morrison, Aschwin H. Engelen, (unknown), (unknown), Ester Á. Serrão, Juliet Brodie, Claire M. M. Gachon, Yacine Badis, Ladd E. Johnson, (unknown), Helena Abreu, Patricia A. Tester, L. A. Stearns, Susan H. Brawley	23
5	Larval supply is a limited determinant of settlement at mesoscales across an anthropogenic seascape 2020 ·Hydrobiologia ·(unknown), Christopher W. McKindsey, Ladd E. Johnson	1
6	Bacterial Communities Show Algal Host (Fucus spp.)/Zone Differentiation Across the Stress Gradient of the Intertidal Zone 2020 ·Frontiers in Microbiology ·(unknown), (unknown), Hilary G. Morrison, Ladd E. Johnson, (unknown), Vicki Hertzberg, Susan H. Brawley	20
7	First mussel settlement observed in Antarctica reveals the potential for future invasions 2020 ·Scientific Reports ·Leyla Cárdenas, Jean‐Charles Leclerc, (unknown), Ignacio Garrido, Camille Détrée, (unknown), Marcela Astorga, Jorge M. Navarro, Ladd E. Johnson, James T. Carlton, Luis Miguel Pardo	53
8	Les macroalgues du Saint-Laurent : une composante essentielle d’un écosystème marin unique et une ressource naturelle précieuse dans un contexte de changement global 2016 ·Érudit (Université de Montréal) ·Éric Tamigneaux, Ladd E. Johnson	12
9	Delineating marine ecological units: a novel approach for deciding which taxonomic group to use and which taxonomic resolution to choose 2015 ·Diversity and Distributions ·(unknown), Rodolphe Devillers, Pedro R. Peres‐Neto, Ladd E. Johnson	10
10	Global regime shift dynamics of catastrophic sea urchin overgrazing breakdown → 2014 ·Philosophical Transactions of the Royal Society B Biological Sciences ·SD Ling, Robert E. Scheibling, Andrew Rassweiler, Craig R. Johnson, Nick T. Shears, Sean D. Connell, Anne K. Salomon, Kjell Magnus Norderhaug, Alejandro Pérez‐Matus, José Carlos Hernández, Sabrina Clemente, Laura K. Blamey, Bernat Hereu, Enric Ballesteros, Enric Sala, Joaquim Garrabou, Emma Cebrián, Míkel Zabala, Daisuke Fujita, Ladd E. Johnson	402
11	Optimizing early detection of non-indigenous species: Estimating the scale of dispersal of a nascent population of the invasive tunicate Ciona intestinalis (L.) 2013 ·Marine Pollution Bulletin ·(unknown), Paul Edwards, Brian Leung, Ladd E. Johnson	18
12	Detecting the impacts of notorious invaders: experiments versus observations in the invasion of eelgrass meadows by the green seaweed Codium fragile 2011 ·Oecologia ·(unknown), Christopher W. McKindsey, Ladd E. Johnson	22
13	Modelling stratification and baroclinic flow in the estuarine transition zone of the St. Lawrence estuary 2010 ·ATMOSPHERE-OCEAN ·Rachel D. Simons, Stephen G. Monismith, François J. Saucier, Ladd E. Johnson, Gesche Winkler	18
14	Forecasting the Expansion of Zebra Mussels in the United States 2007 ·Conservation Biology ·Jonathan M. Bossenbroek, Ladd E. Johnson, Brett Peters, David M. Lodge	117
15	KELP PATCH DYNAMICS IN THE FACE OF INTENSE HERBIVORY: STABILITY OF AGARUM CLATHRATUM (PHAEOPHYTA) STANDS AND ASSOCIATED FLORA ON URCHIN BARRENS¹ 2005 ·Journal of Phycology ·Patrick Gagnon, Ladd E. Johnson, John H. Himmelman	27
16	Overland Dispersal of Aquatic Invasive Species: A Risk Assessment of Transient Recreational Boating 2001 ·Ecological Applications ·Ladd E. Johnson, Anthony Ricciardi, James T. Carlton	16
17	Gamete Release at Low Tide in Fucoid Algae: Maladaptive or Advantageous? 1999 ·American Zoologist ·Susan H. Brawley, Ladd E. Johnson, Gareth A. Pearson, Vladislav V. Speransky, Rui Li, Ester Á. Serrão	46
18	Dispersal and recruitment of a canopy-forming intertidal alga: the relative roles of propagule availability and post-settlement processes 1998 ·Oecologia ·Ladd E. Johnson, Susan H. Brawley	71
19	Sublethal stress in the intertidal zone: tidal emersion inhibits photosynthesis and retards development in embryos of the brown alga Pelvetia fastigiata 1993 ·Oecologia ·I. R. Davison, Ladd E. Johnson, Susan H. Brawley	35
20	Potential and peril of field experimentation: the use of copper to manipulate molluscan herbivores 1992 ·Journal of Experimental Marine Biology and Ecology ·Ladd E. Johnson	31

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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