Monitoring agroecosystem productivity and phenology at a national scale: A metric assessment framework

Effective measurement of seasonal variations in the timing and amount of production is critical to managing spatially heterogeneous agroecosystems in a changing climate. Although numerous technologies for such measurements are available, their relationships to one another at a continental extent are...

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Autores principales: Dawn M. Browning, Eric S. Russell, Guillermo E. Ponce-Campos, Nicole Kaplan, Andrew D. Richardson, Bijan Seyednasrollah, Sheri Spiegal, Nicanor Saliendra, Joseph G. Alfieri, John Baker, Carl Bernacchi, Brandon T. Bestelmeyer, David Bosch, Elizabeth H. Boughton, Raoul K. Boughton, Pat Clark, Gerald Flerchinger, Nuria Gomez-Casanovas, Sarah Goslee, Nick M. Haddad, David Hoover, Abdullah Jaradat, Marguerite Mauritz, Gregory W. McCarty, Gretchen R. Miller, John Sadler, Amartya Saha, Russell L. Scott, Andrew Suyker, Craig Tweedie, Jeffrey D. Wood, Xukai Zhang, Shawn D. Taylor
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Lenguaje:EN
Publicado: Elsevier 2021
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GPP
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spelling oai:doaj.org-article:71f69c22561c40999b13bf6e8f2759a72021-12-01T04:59:42ZMonitoring agroecosystem productivity and phenology at a national scale: A metric assessment framework1470-160X10.1016/j.ecolind.2021.108147https://doaj.org/article/71f69c22561c40999b13bf6e8f2759a72021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21008128https://doaj.org/toc/1470-160XEffective measurement of seasonal variations in the timing and amount of production is critical to managing spatially heterogeneous agroecosystems in a changing climate. Although numerous technologies for such measurements are available, their relationships to one another at a continental extent are unknown. Using data collected from across the Long-Term Agroecosystem Research (LTAR) network and other networks, we investigated correlations among key metrics representing primary production, phenology, and carbon fluxes in croplands, grazing lands, and crop-grazing integrated systems across the continental U.S. Metrics we examined included gross primary productivity (GPP) estimated from eddy covariance (EC) towers and modelled from the Landsat satellite, Landsat NDVI, and vegetation greenness (Green Chromatic Coordinate, GCC) from tower-mounted PhenoCams for 2017 and 2018. Overall, our analysis compared production dynamics estimated from three independent ground and remote platforms using data for 34 agricultural sites constituting 51 site-years of co-located time series.Pairwise sensor comparisons across all four metrics revealed stronger correlation and lower root mean square error (RMSE) between end of season (EOS) dates (Pearson R ranged from 0.6 to 0.7 and RMSE from 32.5 to 67.8) than start of season (SOS) dates (0.46 to 0.69 and 40.4 to 66.2). Overall, moderate to high correlations between SOS and EOS metrics complemented one another except at some lower productivity grazing land sites where estimating SOS can be challenging. Growing season length estimates derived from 16-day satellite GPP (179.1 days) were significantly longer than those from PhenoCam GCC (70.4 days, padj < 0.0001) and EC GPP (79.6 days, padj < 0.0001). Landscape heterogeneity did not explain differences in SOS and EOS estimates. Annual integrated estimates of productivity from EC GPP and PhenoCam GCC diverged from those estimated by Landsat GPP and NDVI at sites where annual production exceeds 1000 gC/m−2 yr−1. Based on our results, we developed a “metric assessment framework” that articulates where and how metrics from satellite, eddy covariance and PhenoCams complement, diverge from, or are redundant with one another. The framework was designed to optimize instrumentation selection for monitoring, modeling, and forecasting ecosystem functioning with the ultimate goal of informing decision-making by land managers, policy-makers, and industry leaders working at multiple scales.Dawn M. BrowningEric S. RussellGuillermo E. Ponce-CamposNicole KaplanAndrew D. RichardsonBijan SeyednasrollahSheri SpiegalNicanor SaliendraJoseph G. AlfieriJohn BakerCarl BernacchiBrandon T. BestelmeyerDavid BoschElizabeth H. BoughtonRaoul K. BoughtonPat ClarkGerald FlerchingerNuria Gomez-CasanovasSarah GosleeNick M. HaddadDavid HooverAbdullah JaradatMarguerite MauritzGregory W. McCartyGretchen R. MillerJohn SadlerAmartya SahaRussell L. ScottAndrew SuykerCraig TweedieJeffrey D. WoodXukai ZhangShawn D. TaylorElsevierarticleAgricultural managementEddy covarianceGPPGrowing season lengthIndicatorsLong-Term Agroecosystem Research (LTAR) networkEcologyQH540-549.5ENEcological Indicators, Vol 131, Iss , Pp 108147- (2021)
institution DOAJ
collection DOAJ
language EN
topic Agricultural management
Eddy covariance
GPP
Growing season length
Indicators
Long-Term Agroecosystem Research (LTAR) network
Ecology
QH540-549.5
spellingShingle Agricultural management
Eddy covariance
GPP
Growing season length
Indicators
Long-Term Agroecosystem Research (LTAR) network
Ecology
QH540-549.5
Dawn M. Browning
Eric S. Russell
Guillermo E. Ponce-Campos
Nicole Kaplan
Andrew D. Richardson
Bijan Seyednasrollah
Sheri Spiegal
Nicanor Saliendra
Joseph G. Alfieri
John Baker
Carl Bernacchi
Brandon T. Bestelmeyer
David Bosch
Elizabeth H. Boughton
Raoul K. Boughton
Pat Clark
Gerald Flerchinger
Nuria Gomez-Casanovas
Sarah Goslee
Nick M. Haddad
David Hoover
Abdullah Jaradat
Marguerite Mauritz
Gregory W. McCarty
Gretchen R. Miller
John Sadler
Amartya Saha
Russell L. Scott
Andrew Suyker
Craig Tweedie
Jeffrey D. Wood
Xukai Zhang
Shawn D. Taylor
Monitoring agroecosystem productivity and phenology at a national scale: A metric assessment framework
description Effective measurement of seasonal variations in the timing and amount of production is critical to managing spatially heterogeneous agroecosystems in a changing climate. Although numerous technologies for such measurements are available, their relationships to one another at a continental extent are unknown. Using data collected from across the Long-Term Agroecosystem Research (LTAR) network and other networks, we investigated correlations among key metrics representing primary production, phenology, and carbon fluxes in croplands, grazing lands, and crop-grazing integrated systems across the continental U.S. Metrics we examined included gross primary productivity (GPP) estimated from eddy covariance (EC) towers and modelled from the Landsat satellite, Landsat NDVI, and vegetation greenness (Green Chromatic Coordinate, GCC) from tower-mounted PhenoCams for 2017 and 2018. Overall, our analysis compared production dynamics estimated from three independent ground and remote platforms using data for 34 agricultural sites constituting 51 site-years of co-located time series.Pairwise sensor comparisons across all four metrics revealed stronger correlation and lower root mean square error (RMSE) between end of season (EOS) dates (Pearson R ranged from 0.6 to 0.7 and RMSE from 32.5 to 67.8) than start of season (SOS) dates (0.46 to 0.69 and 40.4 to 66.2). Overall, moderate to high correlations between SOS and EOS metrics complemented one another except at some lower productivity grazing land sites where estimating SOS can be challenging. Growing season length estimates derived from 16-day satellite GPP (179.1 days) were significantly longer than those from PhenoCam GCC (70.4 days, padj < 0.0001) and EC GPP (79.6 days, padj < 0.0001). Landscape heterogeneity did not explain differences in SOS and EOS estimates. Annual integrated estimates of productivity from EC GPP and PhenoCam GCC diverged from those estimated by Landsat GPP and NDVI at sites where annual production exceeds 1000 gC/m−2 yr−1. Based on our results, we developed a “metric assessment framework” that articulates where and how metrics from satellite, eddy covariance and PhenoCams complement, diverge from, or are redundant with one another. The framework was designed to optimize instrumentation selection for monitoring, modeling, and forecasting ecosystem functioning with the ultimate goal of informing decision-making by land managers, policy-makers, and industry leaders working at multiple scales.
format article
author Dawn M. Browning
Eric S. Russell
Guillermo E. Ponce-Campos
Nicole Kaplan
Andrew D. Richardson
Bijan Seyednasrollah
Sheri Spiegal
Nicanor Saliendra
Joseph G. Alfieri
John Baker
Carl Bernacchi
Brandon T. Bestelmeyer
David Bosch
Elizabeth H. Boughton
Raoul K. Boughton
Pat Clark
Gerald Flerchinger
Nuria Gomez-Casanovas
Sarah Goslee
Nick M. Haddad
David Hoover
Abdullah Jaradat
Marguerite Mauritz
Gregory W. McCarty
Gretchen R. Miller
John Sadler
Amartya Saha
Russell L. Scott
Andrew Suyker
Craig Tweedie
Jeffrey D. Wood
Xukai Zhang
Shawn D. Taylor
author_facet Dawn M. Browning
Eric S. Russell
Guillermo E. Ponce-Campos
Nicole Kaplan
Andrew D. Richardson
Bijan Seyednasrollah
Sheri Spiegal
Nicanor Saliendra
Joseph G. Alfieri
John Baker
Carl Bernacchi
Brandon T. Bestelmeyer
David Bosch
Elizabeth H. Boughton
Raoul K. Boughton
Pat Clark
Gerald Flerchinger
Nuria Gomez-Casanovas
Sarah Goslee
Nick M. Haddad
David Hoover
Abdullah Jaradat
Marguerite Mauritz
Gregory W. McCarty
Gretchen R. Miller
John Sadler
Amartya Saha
Russell L. Scott
Andrew Suyker
Craig Tweedie
Jeffrey D. Wood
Xukai Zhang
Shawn D. Taylor
author_sort Dawn M. Browning
title Monitoring agroecosystem productivity and phenology at a national scale: A metric assessment framework
title_short Monitoring agroecosystem productivity and phenology at a national scale: A metric assessment framework
title_full Monitoring agroecosystem productivity and phenology at a national scale: A metric assessment framework
title_fullStr Monitoring agroecosystem productivity and phenology at a national scale: A metric assessment framework
title_full_unstemmed Monitoring agroecosystem productivity and phenology at a national scale: A metric assessment framework
title_sort monitoring agroecosystem productivity and phenology at a national scale: a metric assessment framework
publisher Elsevier
publishDate 2021
url https://doaj.org/article/71f69c22561c40999b13bf6e8f2759a7
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