Nutrient additions to seagrass seed planting improve seedling emergence and growth

Unsworth, Richard; Rees, Sam; Bertelli, Chiara; Esteban, Nicole; Furness, E.J.; Walter, B.

doi:10.3389/fpls.2022.1013222

Journal article 550 views 76 downloads

Nutrient additions to seagrass seed planting improve seedling emergence and growth

Richard Unsworth

, Sam Rees, Chiara Bertelli

, Nicole Esteban

, E.J. Furness, B. Walter

Frontiers in Plant Science, Volume: 13

Swansea University Authors: Richard Unsworth , Sam Rees, Chiara Bertelli , Nicole Esteban

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© 2022 Unsworth, Rees, Bertelli, Esteban, Furness and Walter. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY).
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DOI (Published version): 10.3389/fpls.2022.1013222

Abstract

To maximise the opportunities of seagrass as a nature-based solution requires restoration to occur on a large scale. New methods and knowledge are required that can solve ecological bottlenecks, improving its reliability and effectiveness. Although there is increasing interest in the use of seeds fo...

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Published in:	Frontiers in Plant Science
ISSN:	1664-462X
Published:	Frontiers Media SA 2022
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URI:	https://cronfa.swan.ac.uk/Record/cronfa61661
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first_indexed	2022-10-25T15:52:14Z
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New methods and knowledge are required that can solve ecological bottlenecks, improving its reliability and effectiveness. Although there is increasing interest in the use of seeds for seagrass restoration there exists a limited understanding of how best to plant them with the most knowledge on germination and seedling emergence coming from laboratory studies. Here we present the results of a novel field study on the emergence success of seeds of the seagrass Zostera marina when subjected to varied planting treatments. Seeds were planted into hessian bags according to a factorial design of three treatments (sediment type, detritus addition, and nutrient addition) each replicated 12 times. By adding nutrients to natural sediment, the present study provides some evidence of seagrass shoot emergence and maximum shoot length doubling. The present study provides evidence that even in heavily nutrient-rich environments, seagrass sediments may require additional nutrients to improve seedling emergence and growth. It also highlights the highly variable nature of planting seagrass seeds in shallow coastal environments. 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spelling	2022-12-01T16:32:23.1623055 v2 61661 2022-10-25 Nutrient additions to seagrass seed planting improve seedling emergence and growth b0f33acd13a3ab541cf2aaea27f4fc2f 0000-0003-0036-9724 Richard Unsworth Richard Unsworth true false 25809349ff4e207ac37ac3846a87b51c Sam Rees Sam Rees true false ef2a5aa98cae33d09caf7b77f6f16e71 0000-0002-9799-2522 Chiara Bertelli Chiara Bertelli true false fb2e760b83b4580e7445092982f1f319 0000-0003-4693-7221 Nicole Esteban Nicole Esteban true false 2022-10-25 SBI To maximise the opportunities of seagrass as a nature-based solution requires restoration to occur on a large scale. New methods and knowledge are required that can solve ecological bottlenecks, improving its reliability and effectiveness. Although there is increasing interest in the use of seeds for seagrass restoration there exists a limited understanding of how best to plant them with the most knowledge on germination and seedling emergence coming from laboratory studies. Here we present the results of a novel field study on the emergence success of seeds of the seagrass Zostera marina when subjected to varied planting treatments. Seeds were planted into hessian bags according to a factorial design of three treatments (sediment type, detritus addition, and nutrient addition) each replicated 12 times. By adding nutrients to natural sediment, the present study provides some evidence of seagrass shoot emergence and maximum shoot length doubling. The present study provides evidence that even in heavily nutrient-rich environments, seagrass sediments may require additional nutrients to improve seedling emergence and growth. It also highlights the highly variable nature of planting seagrass seeds in shallow coastal environments. Critically this study provides increasing levels of evidence that small subtleties in the method can have large consequences for seagrass restoration and that for restoration to scale to levels that are relevant for nature-based solutions there remain many unknowns that require consideration. Journal Article Frontiers in Plant Science 13 Frontiers Media SA 1664-462X Zostera, nature-based solution (NBS), marine, eelgrass, microbiome 23 11 2022 2022-11-23 10.3389/fpls.2022.1013222 Data availability statement:The raw data supporting the conclusions of this article will be made available by the authors, without undue reservation. COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University External research funder(s) paid the OA fee (includes OA grants disbursed by the Library) This study was supported by the UK Government Research Funding: NERC RESOW project NE/V016385/1 and the Welsh Government ERDF Funding: SEACAMS. 2022-12-01T16:32:23.1623055 2022-10-25T16:49:54.4028970 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Richard Unsworth 0000-0003-0036-9724 1 Sam Rees 2 Chiara Bertelli 0000-0002-9799-2522 3 Nicole Esteban 0000-0003-4693-7221 4 E.J. Furness 5 B. Walter 6 61661__25981__d56eb1d7bd264997a45f961525ca96ea.pdf 61661.pdf 2022-12-01T16:28:36.3291725 Output 2338756 application/pdf Version of Record true © 2022 Unsworth, Rees, Bertelli, Esteban, Furness and Walter. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). true eng http://creativecommons.org/licenses/by/4.0/
title	Nutrient additions to seagrass seed planting improve seedling emergence and growth
spellingShingle	Nutrient additions to seagrass seed planting improve seedling emergence and growth Richard Unsworth Sam Rees Chiara Bertelli Nicole Esteban
title_short	Nutrient additions to seagrass seed planting improve seedling emergence and growth
title_full	Nutrient additions to seagrass seed planting improve seedling emergence and growth
title_fullStr	Nutrient additions to seagrass seed planting improve seedling emergence and growth
title_full_unstemmed	Nutrient additions to seagrass seed planting improve seedling emergence and growth
title_sort	Nutrient additions to seagrass seed planting improve seedling emergence and growth
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author_id_fullname_str_mv	b0f33acd13a3ab541cf2aaea27f4fc2f_*_Richard Unsworth 25809349ff4e207ac37ac3846a87b51c__Sam Rees ef2a5aa98cae33d09caf7b77f6f16e71__Chiara Bertelli fb2e760b83b4580e7445092982f1f319_*_Nicole Esteban
author	Richard Unsworth Sam Rees Chiara Bertelli Nicole Esteban
author2	Richard Unsworth Sam Rees Chiara Bertelli Nicole Esteban E.J. Furness B. Walter
format	Journal article
container_title	Frontiers in Plant Science
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publishDate	2022
institution	Swansea University
issn	1664-462X
doi_str_mv	10.3389/fpls.2022.1013222
publisher	Frontiers Media SA
college_str	Faculty of Science and Engineering
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description	To maximise the opportunities of seagrass as a nature-based solution requires restoration to occur on a large scale. New methods and knowledge are required that can solve ecological bottlenecks, improving its reliability and effectiveness. Although there is increasing interest in the use of seeds for seagrass restoration there exists a limited understanding of how best to plant them with the most knowledge on germination and seedling emergence coming from laboratory studies. Here we present the results of a novel field study on the emergence success of seeds of the seagrass Zostera marina when subjected to varied planting treatments. Seeds were planted into hessian bags according to a factorial design of three treatments (sediment type, detritus addition, and nutrient addition) each replicated 12 times. By adding nutrients to natural sediment, the present study provides some evidence of seagrass shoot emergence and maximum shoot length doubling. The present study provides evidence that even in heavily nutrient-rich environments, seagrass sediments may require additional nutrients to improve seedling emergence and growth. It also highlights the highly variable nature of planting seagrass seeds in shallow coastal environments. Critically this study provides increasing levels of evidence that small subtleties in the method can have large consequences for seagrass restoration and that for restoration to scale to levels that are relevant for nature-based solutions there remain many unknowns that require consideration.
published_date	2022-11-23T04:20:38Z
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score	11.036684

Nutrient additions to seagrass seed planting improve seedling emergence and growth

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