Abstract
Abstract Introduction The successful restoration of submerged macrophytes is fundamental to rehabilitating degraded aquatic ecosystems. A major obstacle in this process is light limitation in turbid or shaded waters, which severely limits plant colonization and survival. Understanding species‐specific shade adaptation strategies is essential for guiding effective aquatic restoration. Objectives This study aimed to elucidate the shade adaptation strategies of two submerged macrophytes, Hydrilla verticillata and Myriophyllum spicatum , through a plant trait network (PTN) approach. Methods A controlled shading experiment was conducted, combining functional trait analysis with PTN to quantify shifts in growth patterns, biomass allocation, nutrient stoichiometry, and photosynthetic traits. Results Under shaded conditions, H. verticillata exhibited a photosynthetic compensation strategy through high phenotypic plasticity in shoot elongation and pigment production, while M. spicatum employed an optimization strategy mediated by more complex trait coordination. These distinct adaptation pathways resulted in markedly different resource allocation patterns between the two species. Conclusion The findings demonstrate distinct shade adaptation strategies in submerged macrophytes, which are effectively characterized through functional trait analysis and PTN.
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Claims 4
Claim · model-written summary
Under shade, H. verticillata showed high phenotypic plasticity in shoot elongation and pigment production as a photosynthetic compensation strategy.
- Taxon
- H. verticillata
Hydrilla verticillatae0 - Treatment
- Under shaded conditionse0
- Outcome
- phenotypic plasticity in shoot elongation and pigment productione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under shaded conditions, H. verticillata exhibited a photosynthetic compensation strategy through high phenotypic plasticity in shoot elongation and pigment production”
Claim · model-written summary
Under shade, M. spicatum showed an optimization strategy with more complex trait coordination.
- Taxon
- M. spicatum
Myriophyllum spicatume1 - Treatment
- shaded conditionse0
- Outcome
- trait coordinatione1
- Qualifier
- more complexe1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under shaded conditions, H. verticillata exhibited a photosynthetic compensation strategy through high phenotypic plasticity in shoot elongation and pigment production”
e1“M. spicatum employed an optimization strategy mediated by more complex trait coordination”
Claim · model-written summary
The two submerged macrophytes differed markedly in resource allocation patterns.
Verbatim
e2“These distinct adaptation pathways resulted in markedly different resource allocation patterns between the two species”
e3“The findings demonstrate distinct shade adaptation strategies in submerged macrophytes, which are effectively characterized through functional trait analysis and PTN”
Claim · model-written summary
Submerged macrophytes show distinct shade adaptation strategies that are effectively characterized through functional trait analysis and a plant trait network.
Verbatim
e3“The findings demonstrate distinct shade adaptation strategies in submerged macrophytes, which are effectively characterized through functional trait analysis and PTN”