Quantifying the importance of functional traits for primary production in aquatic plant communities

Research output: Contribution to journalArticleScientificpeer-review

Abstract

1. Aquatic plant meadows are important coastal habitats that sustain many ecosystem functions such as primary production and carbon sequestration. Currently, there is a knowledge gap in understanding which plant functional traits, for example, leaf size or plant height underlie primary production in aquatic plant communities.
2. To study how plant traits are related to primary production, we conducted a field survey in the Baltic Sea, Finland, which is characterized by high plant species and functional diversity. Thirty sites along an exposure gradient were sampled (150 plots), and nine plant morphological and chemical traits measured. The aim was to discern how community-weighted mean traits affect community production and whether this relationship changes along an environmental gradient using structural equation modelling (SEM).
3. Plant height had a direct positive effect on production along an exposure gradient (r = 0.33) and indirect effects through two leaf chemical traits, leaf δ15N and leaf δ13C (r = 0.24 and 0.18, respectively) resulting in a total effect of 0.28. In plant communities experiencing varying exposure, traits such as root N concentration and leaf δ15N had positive and negative effects on production, respectively.
4. Synthesis. Our results demonstrate that the relationship between aquatic plant
functional traits and community production is variable and changes over environmental gradients. Plant height generally has a positive effect on community production along an exposure gradient, while the link between other traits and production changes in plant communities experiencing varying degrees of exposure. Thus, the underlying biological mechanisms influencing production differ in plant communities, emphasizing the need to resolve variability and its drivers in real-world communities. Importantly, functionally diverse plant communities sustain ecosystem functioning differently and
Original languageEnglish
JournalJournal of Ecology
Volume107
Issue number1
Pages (from-to)154-166
Number of pages13
ISSN0022-0477
DOIs
Publication statusPublished - Jan 2019
MoE publication typeA1 Journal article-refereed

Fields of Science

  • AUSTRALIA
  • BIODIVERSITY
  • ECOSYSTEM
  • FRAMEWORK
  • ISOTOPE COMPOSITION
  • LIGHT
  • MANAGEMENT
  • SEAGRASSES
  • STABLE CARBON
  • STRATEGIES
  • Zostera marina
  • biodiversity
  • ecosystem function
  • effect trait
  • environmental gradient
  • macrophytes
  • seagrass
  • structural equation modelling
  • 1181 Ecology, evolutionary biology

Cite this

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title = "Quantifying the importance of functional traits for primary production in aquatic plant communities",
abstract = "1. Aquatic plant meadows are important coastal habitats that sustain many ecosystem functions such as primary production and carbon sequestration. Currently, there is a knowledge gap in understanding which plant functional traits, for example, leaf size or plant height underlie primary production in aquatic plant communities.2. To study how plant traits are related to primary production, we conducted a field survey in the Baltic Sea, Finland, which is characterized by high plant species and functional diversity. Thirty sites along an exposure gradient were sampled (150 plots), and nine plant morphological and chemical traits measured. The aim was to discern how community-weighted mean traits affect community production and whether this relationship changes along an environmental gradient using structural equation modelling (SEM).3. Plant height had a direct positive effect on production along an exposure gradient (r = 0.33) and indirect effects through two leaf chemical traits, leaf δ15N and leaf δ13C (r = 0.24 and 0.18, respectively) resulting in a total effect of 0.28. In plant communities experiencing varying exposure, traits such as root N concentration and leaf δ15N had positive and negative effects on production, respectively.4. Synthesis. Our results demonstrate that the relationship between aquatic plantfunctional traits and community production is variable and changes over environmental gradients. Plant height generally has a positive effect on community production along an exposure gradient, while the link between other traits and production changes in plant communities experiencing varying degrees of exposure. Thus, the underlying biological mechanisms influencing production differ in plant communities, emphasizing the need to resolve variability and its drivers in real-world communities. Importantly, functionally diverse plant communities sustain ecosystem functioning differently and",
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author = "Gustafsson, {Camilla Maria} and Norkko, {Alf Mattias}",
year = "2019",
month = "1",
doi = "10.1111/1365-2745.13011",
language = "English",
volume = "107",
pages = "154--166",
journal = "Journal of Ecology",
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}

Quantifying the importance of functional traits for primary production in aquatic plant communities. / Gustafsson, Camilla Maria; Norkko, Alf Mattias.

In: Journal of Ecology, Vol. 107, No. 1, 01.2019, p. 154-166.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Quantifying the importance of functional traits for primary production in aquatic plant communities

AU - Gustafsson, Camilla Maria

AU - Norkko, Alf Mattias

PY - 2019/1

Y1 - 2019/1

N2 - 1. Aquatic plant meadows are important coastal habitats that sustain many ecosystem functions such as primary production and carbon sequestration. Currently, there is a knowledge gap in understanding which plant functional traits, for example, leaf size or plant height underlie primary production in aquatic plant communities.2. To study how plant traits are related to primary production, we conducted a field survey in the Baltic Sea, Finland, which is characterized by high plant species and functional diversity. Thirty sites along an exposure gradient were sampled (150 plots), and nine plant morphological and chemical traits measured. The aim was to discern how community-weighted mean traits affect community production and whether this relationship changes along an environmental gradient using structural equation modelling (SEM).3. Plant height had a direct positive effect on production along an exposure gradient (r = 0.33) and indirect effects through two leaf chemical traits, leaf δ15N and leaf δ13C (r = 0.24 and 0.18, respectively) resulting in a total effect of 0.28. In plant communities experiencing varying exposure, traits such as root N concentration and leaf δ15N had positive and negative effects on production, respectively.4. Synthesis. Our results demonstrate that the relationship between aquatic plantfunctional traits and community production is variable and changes over environmental gradients. Plant height generally has a positive effect on community production along an exposure gradient, while the link between other traits and production changes in plant communities experiencing varying degrees of exposure. Thus, the underlying biological mechanisms influencing production differ in plant communities, emphasizing the need to resolve variability and its drivers in real-world communities. Importantly, functionally diverse plant communities sustain ecosystem functioning differently and

AB - 1. Aquatic plant meadows are important coastal habitats that sustain many ecosystem functions such as primary production and carbon sequestration. Currently, there is a knowledge gap in understanding which plant functional traits, for example, leaf size or plant height underlie primary production in aquatic plant communities.2. To study how plant traits are related to primary production, we conducted a field survey in the Baltic Sea, Finland, which is characterized by high plant species and functional diversity. Thirty sites along an exposure gradient were sampled (150 plots), and nine plant morphological and chemical traits measured. The aim was to discern how community-weighted mean traits affect community production and whether this relationship changes along an environmental gradient using structural equation modelling (SEM).3. Plant height had a direct positive effect on production along an exposure gradient (r = 0.33) and indirect effects through two leaf chemical traits, leaf δ15N and leaf δ13C (r = 0.24 and 0.18, respectively) resulting in a total effect of 0.28. In plant communities experiencing varying exposure, traits such as root N concentration and leaf δ15N had positive and negative effects on production, respectively.4. Synthesis. Our results demonstrate that the relationship between aquatic plantfunctional traits and community production is variable and changes over environmental gradients. Plant height generally has a positive effect on community production along an exposure gradient, while the link between other traits and production changes in plant communities experiencing varying degrees of exposure. Thus, the underlying biological mechanisms influencing production differ in plant communities, emphasizing the need to resolve variability and its drivers in real-world communities. Importantly, functionally diverse plant communities sustain ecosystem functioning differently and

KW - AUSTRALIA

KW - BIODIVERSITY

KW - ECOSYSTEM

KW - FRAMEWORK

KW - ISOTOPE COMPOSITION

KW - LIGHT

KW - MANAGEMENT

KW - SEAGRASSES

KW - STABLE CARBON

KW - STRATEGIES

KW - Zostera marina

KW - biodiversity

KW - ecosystem function

KW - effect trait

KW - environmental gradient

KW - macrophytes

KW - seagrass

KW - structural equation modelling

KW - 1181 Ecology, evolutionary biology

U2 - 10.1111/1365-2745.13011

DO - 10.1111/1365-2745.13011

M3 - Article

VL - 107

SP - 154

EP - 166

JO - Journal of Ecology

JF - Journal of Ecology

SN - 0022-0477

IS - 1

ER -