Growth, water productivity, and biomass allocation of Great Basin plants as affected by summer watering
ABSTRACT This study measured water‐use efficiency of wildland vegetation at the whole‐plant level during two contrasting years to better understand ecosystem responses to precipitation fluctuations in the Great Basin, USA. Biome‐representative species included grasses ( Distichlis spicata , Leymus t...
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crwiley:10.1002/eco.1292 2024-09-15T18:15:44+00:00 Growth, water productivity, and biomass allocation of Great Basin plants as affected by summer watering Evans, T. L. Mata‐González, R. Martin, D. W. McLendon, T. Noller, J. S. 2012 http://dx.doi.org/10.1002/eco.1292 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Feco.1292 https://onlinelibrary.wiley.com/doi/pdf/10.1002/eco.1292 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Ecohydrology volume 6, issue 5, page 713-721 ISSN 1936-0584 1936-0592 journal-article 2012 crwiley https://doi.org/10.1002/eco.1292 2024-08-09T04:31:09Z ABSTRACT This study measured water‐use efficiency of wildland vegetation at the whole‐plant level during two contrasting years to better understand ecosystem responses to precipitation fluctuations in the Great Basin, USA. Biome‐representative species included grasses ( Distichlis spicata , Leymus triticoides , and Sporobolus airoides ), desert shrubs ( Artemisia tridentata , Atriplex confertifolia , and Ericameria nauseosa ), wetland/riparian plants ( Glycyrrhiza lepidota , Juncus arcticus , and Salix exigua ), and an exotic annual ( Salsola tragus ). Plants were grown in 5·8 m 2 plots in a common garden in eastern California. Four watering treatments were applied monthly during two summers: control (no water other than natural precipitation), low (1·3 cm), medium (2·6 cm), and high (3·9 cm). Water‐use efficiency, here termed water to production (WTP a ), was the ratio of water transpired to aboveground biomass produced. Biomass production was 50% lower and WTP a was five times higher during 2009 than 2010. WTP a decreased with watering during 2009 but increased with watering during 2010. Year differences determined vegetation productivity and response to summer watering and were related to the lower winter/spring precipitation during 2009 than 2010. Desert shrubs were more drought tolerant than grasses and wetland plants. Yet, an increase in summer precipitation would primarily benefit herbaceous species and not desert shrubs. Desert shrubs achieved greater standing crop but lower root‐to‐shoot ratio (RSR) than herbaceous species. Nonetheless, the grass S. airoides had the greatest standing crop overall, mainly because of its greater root production (RSR 5·5). Species differences in growth, WTP a , and biomass allocation should be considered in land management and conservation practices. Copyright © 2012 John Wiley & Sons, Ltd. Article in Journal/Newspaper Juncus arcticus Wiley Online Library Ecohydrology 6 5 713 721 |
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Wiley Online Library |
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crwiley |
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English |
description |
ABSTRACT This study measured water‐use efficiency of wildland vegetation at the whole‐plant level during two contrasting years to better understand ecosystem responses to precipitation fluctuations in the Great Basin, USA. Biome‐representative species included grasses ( Distichlis spicata , Leymus triticoides , and Sporobolus airoides ), desert shrubs ( Artemisia tridentata , Atriplex confertifolia , and Ericameria nauseosa ), wetland/riparian plants ( Glycyrrhiza lepidota , Juncus arcticus , and Salix exigua ), and an exotic annual ( Salsola tragus ). Plants were grown in 5·8 m 2 plots in a common garden in eastern California. Four watering treatments were applied monthly during two summers: control (no water other than natural precipitation), low (1·3 cm), medium (2·6 cm), and high (3·9 cm). Water‐use efficiency, here termed water to production (WTP a ), was the ratio of water transpired to aboveground biomass produced. Biomass production was 50% lower and WTP a was five times higher during 2009 than 2010. WTP a decreased with watering during 2009 but increased with watering during 2010. Year differences determined vegetation productivity and response to summer watering and were related to the lower winter/spring precipitation during 2009 than 2010. Desert shrubs were more drought tolerant than grasses and wetland plants. Yet, an increase in summer precipitation would primarily benefit herbaceous species and not desert shrubs. Desert shrubs achieved greater standing crop but lower root‐to‐shoot ratio (RSR) than herbaceous species. Nonetheless, the grass S. airoides had the greatest standing crop overall, mainly because of its greater root production (RSR 5·5). Species differences in growth, WTP a , and biomass allocation should be considered in land management and conservation practices. Copyright © 2012 John Wiley & Sons, Ltd. |
format |
Article in Journal/Newspaper |
author |
Evans, T. L. Mata‐González, R. Martin, D. W. McLendon, T. Noller, J. S. |
spellingShingle |
Evans, T. L. Mata‐González, R. Martin, D. W. McLendon, T. Noller, J. S. Growth, water productivity, and biomass allocation of Great Basin plants as affected by summer watering |
author_facet |
Evans, T. L. Mata‐González, R. Martin, D. W. McLendon, T. Noller, J. S. |
author_sort |
Evans, T. L. |
title |
Growth, water productivity, and biomass allocation of Great Basin plants as affected by summer watering |
title_short |
Growth, water productivity, and biomass allocation of Great Basin plants as affected by summer watering |
title_full |
Growth, water productivity, and biomass allocation of Great Basin plants as affected by summer watering |
title_fullStr |
Growth, water productivity, and biomass allocation of Great Basin plants as affected by summer watering |
title_full_unstemmed |
Growth, water productivity, and biomass allocation of Great Basin plants as affected by summer watering |
title_sort |
growth, water productivity, and biomass allocation of great basin plants as affected by summer watering |
publisher |
Wiley |
publishDate |
2012 |
url |
http://dx.doi.org/10.1002/eco.1292 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Feco.1292 https://onlinelibrary.wiley.com/doi/pdf/10.1002/eco.1292 |
genre |
Juncus arcticus |
genre_facet |
Juncus arcticus |
op_source |
Ecohydrology volume 6, issue 5, page 713-721 ISSN 1936-0584 1936-0592 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/eco.1292 |
container_title |
Ecohydrology |
container_volume |
6 |
container_issue |
5 |
container_start_page |
713 |
op_container_end_page |
721 |
_version_ |
1810453674947772416 |