Jack A. Morgan

8.6k citations

95 papers · 6.6k indexed · 3 hit papers · h-index 45

Impact in

Soil Science top 0.2%
- Soil Carbon and Nitrogen Dynamics
Global and Planetary Change top 0.5%
- Plant Water Relations and Carbon Dynamics
- Climate variability and models
- Atmospheric and Environmental Gas Dynamics

Papers in

Soil Science 31
- Soil Carbon and Nitrogen Dynamics 31
Global and Planetary Change 57
- Plant Water Relations and Carbon Dynamics 44
- Atmospheric and Environmental Gas Dynamics 17
- Climate variability and models 12

Co-authors: Daniel R. LeCain Feike A. Dijkstra Elise Pendall Yolima Carrillo Dana M. Blumenthal A. R. Mosier R. F. Follett David G. Williams
Journals: Crop Science (9 papers)Global Change Biology (7 papers)Rangeland Ecology & Management (6 papers)New Phytologist (6 papers)PLANT PHYSIOLOGY (5 papers)
Partner nations: United States Australia Germany

In The Last Decade

Jack A. Morgan

95 papers receiving 6.3k citations

Hit Papers

align trajectories log scale

Ecosystem resilience despite large-scale altered hydroclimatic conditions 2013 · 481 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2013 Nature
2013 Frontiers in Microbiology
2011 Nature

Peers

Countries citing papers authored by Jack A. Morgan

Since Specialization

Citations

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

Fields of papers citing papers by Jack A. Morgan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jack A. Morgan. 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 Jack A. Morgan. The network helps show where Jack A. Morgan may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Jack A. Morgan, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Jack A. Morgan Line = papers co-authored together Jack A. Morgan links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Effects of Elevated CO2 on the Swainsonine Chemotypes of Astragalus lentiginosus and Astragalus mollissimus Journal of Chemical Ecology ·Daniel Cook, Dale R. Gardner, James A. Pfister, José Alberto Plaza Tejera, Joseph G. Robins, Jack A. Morgan	2017	4
2	Climate change effects on rangelands and rangeland management: affirming the need for monitoring Ecosystem Health and Sustainability ·Daniel W. McCollum, John A. Tanaka, Jack A. Morgan, John Mitchell, William E. Fox, C. N. CARRAWAY, Albano Figuereido, Clifford S. Duke, Urs P. Kreuter	2017	39
3	Disentangling root responses to climate change in a semiarid grassland Oecologia ·Yolima Carrillo, Feike A. Dijkstra, D. R. LeCain, Jack A. Morgan, Dana M. Blumenthal, Sarah Waldron, Elise Pendall	2014	44
4	Elevated CO2 further lengthens growing season under warming conditions Nature ·Shu Jing Lim, Heidi Steltzer, M. J. Trlica, Gregory S. McMaster, Allan A. Andales, D. R. LeCain, Jack A. Morgan	2014	159
5	Warming Reduces Carbon Losses from Grassland Exposed to Elevated Atmospheric Carbon Dioxide PLoS ONE ·Elise Pendall, Márcio Antônio de Paiva, David G. Williams, Feike A. Dijkstra, Yolima Carrillo, Jack A. Morgan, Daniel R. LeCain	2013	51
6	Simple additive effects are rare: a quantitative review of plant biomass and soil process responses to combined manipulations of CO ₂ and temperature Global Change Biology ·Wouter Dieleman, Sara Vicca, Feike A. Dijkstra, Frank Hagedorn, Mark J. Hovenden, Klaus Steenberg Larsen, Jack A. Morgan, Astrid Volder, Claus Beier, Jeffrey S. Dukes, John S. King, Sebastian Leuzinger, Sune Linder, Yiqi Luo, Ram Oren, Paolo De Angelis, David T. Tingey, Marcel R. Hoosbeek, Ivan A. Janssens	2012	344
7	Climate change alters stoichiometry of phosphorus and nitrogen in a semiarid grassland New Phytologist ·Feike A. Dijkstra, Elise Pendall, Jack A. Morgan, Dana M. Blumenthal, Yolima Carrillo, Daniel R. LeCain, R. F. Follett, David G. Williams	2012	220
8	C4 grasses prosper as carbon dioxide eliminates desiccation in warmed semi-arid grassland Nature ·Jack A. Morgan, Daniel R. LeCain, Elise Pendall, Dana M. Blumenthal, Bruce A. Kimball, Yolima Carrillo, David G. Williams, Márcio Antônio de Paiva, Feike A. Dijkstra, Mark West Hit paper breakdown →	2011	401
9	Contrasting effects of elevated CO₂ and warming on nitrogen cycling in a semiarid grassland New Phytologist ·Feike A. Dijkstra, Dana M. Blumenthal, Jack A. Morgan, Elise Pendall, Yolima Carrillo, R. F. Follett	2010	129
10	Wetting and drying cycles drive variations in the stable carbon isotope ratio of respired carbon dioxide in semi-arid grassland Oecologia ·Shuqi Li, Elise Pendall, Jack A. Morgan, Dennis S. Ojima	2009	27
11	Carbon dioxide enrichment alters plant community structure and accelerates shrub growth in the shortgrass steppe Proceedings of the National Academy of Sciences ·Jack A. Morgan, Daniel G. Milchunas, Daniel R. LeCain, Mark West, A. R. Mosier	2007	179
12	CO₂ENHANCES PRODUCTIVITY, ALTERS SPECIES COMPOSITION, AND REDUCES DIGESTIBILITY OF SHORTGRASS STEPPE VEGETATION Ecological Applications ·Jack A. Morgan, A. R. Mosier, Daniel G. Milchunas, Daniel R. LeCain, Jim A. Nelson, William J. Parton	2004	127
13	Rhizodeposition stimulated by elevated CO₂ in a semiarid grassland New Phytologist ·Elise Pendall, A. R. Mosier, Jack A. Morgan	2004	104
14	Response of Organic and Inorganic Carbon and Nitrogen to Long-Term Grazing of the Shortgrass Steppe Environmental Management ·J. D. Reeder, G. E. Schuman, Jack A. Morgan, Daniel R. LeCain	2004	135
15	UV Radiation Effects on Plant Growth and Forage Quality in a Shortgrass Steppe Ecosystem¶ Photochemistry and Photobiology ·Daniel G. Milchunas, Jennifer Y. King, A. R. Mosier, John C. Moore, Jack A. Morgan, 昭夫諸橋, James R. Slusser	2004	17
16	The Effects of N Nutrition on the Water Relations and Gas Exchange Characteristics of Wheat (Triticum aestivum L.) PLANT PHYSIOLOGY ·Jack A. Morgan	1986	90
17	Interaction of Water Supply and N in Wheat PLANT PHYSIOLOGY ·Jack A. Morgan	1984	65
18	Photosynthesis of Grass Species Differing in Carbon Dioxide Fixation Pathways PLANT PHYSIOLOGY ·R. H. Brown, Jack A. Morgan	1980	41
19	Photosynthesis in Grass Species Differing in Carbon Dioxide Fixation Pathways PLANT PHYSIOLOGY ·Jack A. Morgan, R. H. Brown, Bonnie J. Reger	1980	72
20	Photosynthesis in Grass Species Differing in Carbon Dioxide Fixation Pathways PLANT PHYSIOLOGY ·Jack A. Morgan, Rose H. Brown	1979	42

About Jack A. Morgan

Jack A. Morgan is a scholar working on Soil Science, Global and Planetary Change, Forestry, Plant Science and Ecology, having authored 95 papers that have together received 6.6k indexed citations. Recurring topics across this work include Plant responses to elevated CO2 (52 papers), Plant Water Relations and Carbon Dynamics (44 papers), Soil Carbon and Nitrogen Dynamics (31 papers), Atmospheric and Environmental Gas Dynamics (17 papers), Rangeland and Wildlife Management (14 papers), Climate variability and models (12 papers), Pasture and Agricultural Systems (8 papers) and Ecology and Vegetation Dynamics Studies (7 papers). The work is most often cited by research in Soil Science (2.2k citations), Global and Planetary Change (3.2k citations), Nature and Landscape Conservation (1.0k citations), Ecology (2.1k citations) and Forestry (284 citations). Jack A. Morgan has collaborated with scholars based in United States, Australia and Germany. Frequent co-authors include Daniel R. LeCain, Feike A. Dijkstra, Elise Pendall, Yolima Carrillo, Dana M. Blumenthal, A. R. Mosier, R. F. Follett, David G. Williams, Daniel G. Milchunas and William J. Parton. Their work appears in journals such as Crop Science, Global Change Biology, Rangeland Ecology & Management, New Phytologist and PLANT PHYSIOLOGY.

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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