John M. Pleasants

4.3k citations

54 papers · 3.1k indexed · 1 hit paper · h-index 27

Ecology, Evolution, Behavior and Systematics top 0.5%
Plant Science top 1%
Nature and Landscape Conservation top 1%
Insect Science top 0.5%
Genetics top 2%

Co-authors: Karen S. Oberhauser Jonathan F. Wendel Michael J. Zimmerman Richard L. Hellmich Galen P. Dively Heather R. Mattila Diane E. Stanley-Horn M. K. Sears
Topics: Plant and animal studies (35 papers)Insect and Pesticide Research (14 papers)Ecology and Vegetation Dynamics Studies (12 papers)
Cited by: Ecological Modeling Ecology, Evolution, Behavior and Systematics Nature and Landscape Conservation
Journals: Proceedings of the National Academy of Sciences PLoS ONE Ecology
Partner nations: United States Canada Australia

In The Last Decade

John M. Pleasants

54 papers receiving 2.7k 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.

Milkweed loss in agricultural fields because of herbicide use: effect on the monarch butterfly population

2012 332 citations John M. Pleasants, Karen S. Oberhauser Insect Conservation and Diversity profile →

Peers

Countries citing papers authored by John M. Pleasants

Since Specialization

Citations

This map shows the geographic impact of John M. Pleasants'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 John M. Pleasants with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John M. Pleasants more than expected).

Fields of papers citing papers by John M. Pleasants

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John M. Pleasants. 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 John M. Pleasants. The network helps show where John M. Pleasants may publish in the future.

Co-authorship network of co-authors of John M. Pleasants

This figure shows the co-authorship network connecting the top 25 collaborators of John M. Pleasants. A scholar is included among the top collaborators of John M. Pleasants 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 John M. Pleasants. John M. Pleasants 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	A comparison of summer, fall and winter estimates of monarch population size before and after milkweed eradication from crop fields in North America 2023 ·Insect Conservation and Diversity ·John M. Pleasants,Wayne E. Thogmartin,Karen S. Oberhauser,Orley R. Taylor,Carl Stenoien	7
2	Differences in δ ¹³ C and δ ¹⁵ N values for monarch butterflies raised on milkweeds from within and outside of crop fields: implications for inferences about natal origins 2023 ·Isotopes in Environmental and Health Studies ·John M. Pleasants	1
3	Monarch Butterfly Ecology, Behavior, and Vulnerabilities in North Central United States Agricultural Landscapes 2022 ·BioScience ·(unknown),(unknown),(unknown),(unknown),Richard L. Hellmich,Thomas W. Sappington,James S. Adelman,Joel R. Coats,Robert G. Hartzler,John M. Pleasants,Steven P. Bradbury	10
4	Monarch Butterflies Show Differential Utilization of Nine Midwestern Milkweed Species 2018 ·Frontiers in Ecology and Evolution ·(unknown),John M. Pleasants,Diane M. Debinski,Keith G. Bidne,Richard L. Hellmich,Steven P. Bradbury,Sue L. Blodgett	23
5	Density estimates of monarch butterflies overwintering in central Mexico 2017 ·PeerJ ·Wayne E. Thogmartin,Jay E. Diffendorfer,Laura López‐Hoffman,Karen S. Oberhauser,John M. Pleasants,Brice X. Semmens,Darius J. Semmens,Orley R. Taylor,Ruscena Wiederholt	37
6	Interpreting surveys to estimate the size of the monarch butterfly population: Pitfalls and prospects 2017 ·PLoS ONE ·John M. Pleasants,Myron P. Zalucki,Karen S. Oberhauser,Lincoln P. Brower,Orley R. Taylor,Wayne E. Thogmartin	57
7	Quasi-extinction risk and population targets for the Eastern, migratory population of monarch butterflies (Danaus plexippus) 2016 ·Scientific Reports ·Brice X. Semmens,Darius J. Semmens,Wayne E. Thogmartin,Ruscena Wiederholt,Laura López‐Hoffman,Jay E. Diffendorfer,John M. Pleasants,Karen S. Oberhauser,Orley R. Taylor	147
8	Milkweed loss in agricultural fields because of herbicide use: effect on the monarch butterfly populationbreakdown → 2012 ·Insect Conservation and Diversity ·John M. Pleasants,Karen S. Oberhauser	332
9	Impact of Bt corn pollen on monarch butterfly populations: A risk assessment 2001 ·Proceedings of the National Academy of Sciences ·M. K. Sears,Richard L. Hellmich,Diane E. Stanley-Horn,Karen S. Oberhauser,John M. Pleasants,Heather R. Mattila,Blair D. Siegfried,Galen P. Dively	326
10	Temporal and spatial overlap between monarch larvae and corn pollen 2001 ·Proceedings of the National Academy of Sciences ·Karen S. Oberhauser,Michelle Prysby,Heather R. Mattila,Diane E. Stanley-Horn,M. K. Sears,Galen P. Dively,(unknown),John M. Pleasants,(unknown),Richard L. Hellmich	171
11	Learning Strategies and Other Factors Influencing Achievement via Web Courses. 1998 ·Ching‐Chun Shih,(unknown),John M. Pleasants,(unknown),George Brown	31
12	Teaching Biology on the Internet. 1997 ·WebNet ·Thomas S. Ingebritsen,George Gardner Brown,John M. Pleasants	3
13	Ecophysiological consequences of non-random leaf orientation in the prairie compass plant, Silphium laciniatum 1990 ·Oecologia ·Thomas W. Jurik,Han‐Zhong Zhang,John M. Pleasants	19
14	The Effects of Light and Plant Size on Fate of Seedlings of the Prairie Compass Plant (Silphium laciniatum L.) 1990 ·Functional Ecology ·Thomas W. Jurik,John M. Pleasants	7
15	Reversed Size Dimorphism Is Raptors: Can We Tell Which Sex Changed Size? 1989 ·Oikos ·John M. Pleasants	5
16	Bumblebee Foraging at a "Hummingbird" Flower: Reward Economics and Floral Choice 1985 ·The American Midland Naturalist ·John M. Pleasants,Nickolas M. Waser	32
17	NECTAR PRODUCTION PATTERNS IN IPOMOPSIS AGGREGATA (POLEMONIACEAE) 1983 ·American Journal of Botany ·John M. Pleasants	161
18	The distribution of standing crop of nectar: what does it really tell us? 1983 ·Oecologia ·John M. Pleasants,Michael J. Zimmerman	40
19	Nectar production rates of Asclepias quadrifolia: causes and consequences of individual variation 1983 ·Oecologia ·John M. Pleasants,Stephen J. Chaplin	139
20	Bumblebee Response to Variation in Nectar Availability 1981 ·Ecology ·John M. Pleasants	147

About John M. Pleasants

John M. Pleasants is a scholar working on Ecology, Evolution, Behavior and Systematics, Insect Science and Nature and Landscape Conservation, having authored 54 papers that have together received 3.1k indexed citations. Recurring topics across this work include Plant and animal studies (35 papers), Insect and Pesticide Research (14 papers) and Ecology and Vegetation Dynamics Studies (12 papers). The work is most often cited by research in Ecological Modeling (469 citations), Ecology, Evolution, Behavior and Systematics (2.1k citations) and Nature and Landscape Conservation (898 citations). John M. Pleasants has collaborated with scholars based in United States, Canada and Australia. Frequent co-authors include Karen S. Oberhauser, Jonathan F. Wendel, Michael J. Zimmerman, Richard L. Hellmich, Galen P. Dively, Heather R. Mattila, Diane E. Stanley-Horn, M. K. Sears, Stephen J. Chaplin and Orley R. Taylor. Their work appears in journals such as Proceedings of the National Academy of Sciences, PLoS ONE and Ecology.

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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