Potamogeton crispus responses to varying water depth in morphological plasticity and physiological traits

Wang, Lei; Wang, Xuan; Han, Xiaohui; Gao, Yuxuan; Liu, Baogui; Zhang, Xinhou; Wang, Guoxiang

doi:10.1007/s11356-020-10806-z

Cited by 20 publications

(11 citation statements)

References 54 publications

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“…It is also worth noting that a relatively lower leaf POD activity was detected at water depth ≥270 cm. However, such finding is inconsistent with some previous studies, showing that increased water depth generally induces a significant enhancement in antioxidant enzyme activity (Li et al., 2020 ; Wang, Wang, et al., 2021 ). The enhanced enzyme activity could help scavenge the reactive oxygen species (ROS) generated under stress conditions, thus avoiding or reducing oxidative damage (García‐Caparrós et al., 2020 ).…”

Section: Discussioncontrasting

confidence: 82%

“…Variations in water depth greatly impact the growth and development of submerged macrophytes (Coops et al., 2003 ; Ersoy et al., 2020 ), due to changes in multiple environmental factors, especially the underwater light intensity (Wang, Wang, et al., 2021 ; Yuan et al., 2018 ). Behaving like shade‐adapted species, submerged macrophytes generally have a low tolerance of high light intensity in shallow‐water environments (Bowes & Salvucci, 1989 ; Hussner et al., 2010 ), whereas reduced light availability in deep waters can hamper their photosynthesis or root respiration (Han et al., 2019 ).…”

Section: Introductionmentioning

confidence: 99%

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Rapid adaptive responses of rosette‐type macrophyte Vallisneria natans juveniles to varying water depths: The role of leaf trait plasticity

Gao

Wang

et al. 2021

Ecology and Evolution

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Section: Discussioncontrasting

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Rapid adaptive responses of rosette‐type macrophyte Vallisneria natans juveniles to varying water depths: The role of leaf trait plasticity

Gao

Wang

et al. 2021

Ecology and Evolution

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“…Submerged macrophytes can change the morphology and biomass allocation of leaves, stems, and roots to support the survival of the species in response to different environmental changes (Fu et al, 2020;Wang et al, 2021). In the past decades, many studies mainly focused on the response of single or several submerged macrophytes traits to environmental gradients.…”

Section: Introductionmentioning

confidence: 99%

“…In the past decades, many studies mainly focused on the response of single or several submerged macrophytes traits to environmental gradients. For instance, Potamogeton crispus showed an increase in leaf length, leaf area and plant height and a decrease in leaf thickness and stem diameter along water depth from 0.4 m to 1.6m (Wang et al, 2021). Vallisneria natans displayed a decrease in ramets number, ramet biomass, root/shoot ratio and ramet/total biomass ratio with underwater light weakened (Yang et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Characteristics of plant trait network and its influencing factors in impounded lakes and channel rivers of South-to-North Water Transfer Project, China

Zhu

Jiang²,

Shen³

et al. 2023

Front. Plant Sci.

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Trait-based approaches have been widely used to evaluate the effects of variable environments on submerged macrophytes communities. However, little research focused on the response of submerged macrophytes to variable environmental factors in impounded lakes and channel rivers of water transfer project, especially from a whole plant trait network (PTN) perspective. Here, we conducted a field survey designed to clarify the characteristic of PTN topology among impounded lakes and channel rivers of the East Route of South-to-North Water Transfer Project (ERSNWTP) and to unravel the effects of determining factors on the PTN topology structure. Overall, our results showed that leaf-related traits and organ mass allocation traits were the hub traits of PTNs in impounded lakes and channel rivers of the ERSNWTP, which traits with high variability were more likely to be the hub traits. Moreover, PTNs showed different structures among impounded lakes and channel rivers, and PTNs topologies were related to the mean functional variation coefficients of lakes and channel rivers. Specially, higher mean functional variation coefficients represented tight PTN, and lower mean functional variation coefficients indicated loose PTN. The PTN structure was significantly affected by water total phosphorus and dissolved oxygen. Edge density increased, while average path length decreased with increasing total phosphorus. Edge density and average clustering coefficient showed significant decreases with increasing dissolved oxygen, while average path length and modularity exhibited significant increases with increasing dissolved oxygen. This study explores the changing patterns and determinants of trait networks along environmental gradients to improve our understanding of ecological rules regulating trait correlations.

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“…For example, water depth has been shown to affect the allocation of energy for reproduction as well as reproductive allometry in the submerged macrophyte Vallisneria natans (Li et al 2017). Submerged macrophytes have morphological plasticity that allows them to adapt to different water regimes, but only within a certain tolerance range (Madsen et al 2001;Wernberg and Thomsen 2005;Chen et al 2011;Wu et al 2012;Wang et al 2021). Many studies have investigated how the growth of submerged macrophytes is affected by depth, most have utilized experimental simulations or field observations (Riis and Hawes 2002;Nõges et al 2003;Busch et al 2004Busch et al , 2006Geest et al 2005;Hu et al 2006;Gu et al 2017;).…”

Section: Introductionmentioning

confidence: 99%

The effects of water depth on the growth of two submerged macrophytes in an in situ experiment

Pan

Ren

et al. 2021

Journal of Freshwater Ecology

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An in situ experiment was designed in which Potamogeton crispus and Hydrilla verticillata were planted in plastic pots 25, 50, 75, 100, 125, 150, 175 and 200 cm underwater to study the effect of water depth on the growth and photosynthetic fluorescence characteristics of the two submerged macrophytes in Lake Gehu, China. The results showed that: 1) Water depth had no significant effect on the germination of both submerged macrophytes. The final germination rate of P. crispus turions was higher than 80%, and the final germination rate of the H. verticillata winter buds was 100%; 2) Water depth affected the survival rate of both submerged macrophytes, and the seedlings at depths of 150, 175 and 200 cm all eventually died; 3) Water depth altered the morphological characteristics of P. crispus and H. verticillata seedlings. (4) Increasing water depth significantly affected biomass (p < .05), with the biomass initially tending to increase, but then decreasing. The root to shoot ratio of both submerged macrophytes decreased with increasing water depth; 5) Chlorophyll contents of P. crispus and H. verticillata increased with water depth from 25 to 150 cm; 6) Water depth had an obvious effect on the photosynthetic fluorescence of submerged macrophytes. The Fv/Fm increased slightly from water depths from 25 to 75 cm, and then decreased significantly when water depth exceeded 100 cm. The ETRmax was significantly different among all treatment groups, and ETRmax was obviously higher at water depths of 25 and 50 cm than at all other depths. These results showed that submerged macrophytes have a limited water depth tolerance range. In Lake Gehu, the recovery of submerged macrophytes will be better in areas with water depths less than 125 cm.

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Potamogeton crispus responses to varying water depth in morphological plasticity and physiological traits

Cited by 20 publications

References 54 publications

Rapid adaptive responses of rosette‐type macrophyte Vallisneria natans juveniles to varying water depths: The role of leaf trait plasticity

Rapid adaptive responses of rosette‐type macrophyte Vallisneria natans juveniles to varying water depths: The role of leaf trait plasticity

Characteristics of plant trait network and its influencing factors in impounded lakes and channel rivers of South-to-North Water Transfer Project, China

The effects of water depth on the growth of two submerged macrophytes in an in situ experiment

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