Variations in carbon and nitrogen ratios and their effects on seed germination in<i>Cupressus sempervirens</i>populations

Caliskan, Servet; Makineci, Ender

doi:10.1080/02827581.2014.881544

Cited by 8 publications

(5 citation statements)

References 34 publications

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“…This suggests that when both factors act on the seeds simultaneously, the utilization efficiency of N may increase. These changes may further affect the germination rate and average germination time of propagules ( Caliskan and Makineci, 2014 ), thereby affecting the distribution and abundance of the plant’s population. The stoichiometry of seeds was less sensitive to warming and P input and may be more stable than other organs because its function is to maintain the ability to reproduce in response to environmental changes.…”

Section: Discussionmentioning

confidence: 99%

Effects of Warming and Phosphorus Enrichment on the C:N:P Stoichiometry of Potamogeton crispus Organs

Dai

Wang

et al. 2022

Front. Plant Sci.

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The loss of submerged macrophytes from freshwater ecosystems is accelerating owing to the combined effects of eutrophication and climate change. Submerged macrophytes depend on spring clear water; however, increased water temperatures and excessive phosphorus (P) inputs often lead to the dominance of phytoplankton. It is still not clear how the stoichiometric characteristics of carbon (C), nitrogen (N), and P in different tissues of submerged macrophytes respond to P enrichment and temperature increases. In this study, we established 36 mesocosm ecosystems to explore the effects of warming and P addition on the leaf, turion, stem, and seed stoichiometry of Potamogeton crispus. The results revealed that different functional plant organs show distinct responses to P addition and warming, which demonstrates the importance of evaluating the responses of different submerged macrophyte organs to environmental changes. In addition, interactive effects between P addition and warming were observed in the leaf, turion, and seed C:N:P stoichiometry, which highlights the importance of multifactorial studies. Our data showed that warming caused a decrease in the C content in most organs, with the exception of the stem; P addition increased the P content in most organs, with the exception of seed; N content in the turion and seed were influenced by interactive effects. Collectively, P addition could help P. crispus to resist the adverse effects of high temperatures by aiding growth and asexual reproduction, and asexual propagules were found to be more sensitive to P enrichment than sexual propagules.

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Section: Discussionmentioning

confidence: 99%

Effects of Warming and Phosphorus Enrichment on the C:N:P Stoichiometry of Potamogeton crispus Organs

Dai

Wang

et al. 2022

Front. Plant Sci.

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“…Materials reserved by propagule can affect its germination [51], especially the nitrogen (N) and carbon (C) contents [52]. In most cases, researchers showed that a high content of nitrogen will enhance the germination of seeds [53,54]. Therefore, turion's vigor is likely to be enhanced by the increase of turions nitrogen content, which may be achieved by an adequate application of a large amount of nitrogen from parent plants.…”

Section: Warming and Phosphorus Addition Effect On P Crispus Stoichimentioning

confidence: 99%

Maternal Environment Effect of Warming and Eutrophication on the Emergence of Curled Pondweed, Potamogeton crispus L.

Tao

Zhang

et al. 2018

Water

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Maternal effects may play an important role in life history and offspring performance of aquatic plants. Performance and response of maternal and offspring aquatic plants can affect population dynamics and community composition. Understanding maternal effect can help to fill a gap in the knowledge of aquatic plant life cycles, and provide important insights for species’ responses to climate change and eutrophication. This study showed that maternal warming and eutrophication significantly affected the early life stages of curled pondweed, Potamogeton crispus, a submerged macrophyte. Propagule in warmed condition had higher germination percentages and a shorter mean germination time than those under ambient conditions. However, propagule germination in phosphorus addition treatment was inhibited due to the negative effect of eutrophication, e.g., phytoplankton competition and deteriorated underwater light. Meanwhile, elevated temperature led to a decrease of total nitrogen concentrations and an increase of carbon: nitrogen ratios in plant tissues, which may suggest that P. crispus will allocate more nutrients to propagules in order to resist the adverse effects of high temperature. A subsequent germination experiment in the same ambient condition showed that maternal warming promoted seedling emergence in contrast to maternal phosphorus addition. Consequently, global warming could modify population growth via maternal environmental effects on early life histories, while increased anthropogenic nutrient inputs may result in a decreased submerged macrophyte. These maternal effects on offspring performance may change competition and the survival of early life-history stages under climate warming and eutrophication through changing the ecological stoichiometry of plant tissue.

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“…Furthermore, we obtained stronger relationships for germination parameters, except for MGTS, with combined carbon and nitrogen concentrations and carbon mass and nitrogen mass. Similarly, Caliskan and Makineci (2014) concluded that a positive linear relationship existed between carbon and nitrogen concentrations and GP, and that there was a negative relationship between carbon and nitrogen concentrations and MGT in Mediterranean cypress (Cupressus sempervirens L.) seeds. They also obtained more significant results by combining seed carbon and nitrogen concentrations on the regression models to estimate GP and MGT.…”

Section: Charactersmentioning

confidence: 99%

“…Limited literature (Gül 1992, Matthaus and Özcan 2011, Caliskan and Makineci 2014 has focused on the carbon, nitrogen contents of forest tree seeds and the relationship between these ratios and germination. We identified low or moderate relationships in the regression models in which individual carbon and nitrogen concentration were used, and these were statistically significant.…”

Section: Charactersmentioning

confidence: 99%

See 1 more Smart Citation

Effects of carbon and nitrogen content on seed germination of calabrian pine (Pinus brutia) populations

Caliskan

Makineci

2015

Bosque (Valdivia)

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Variations in carbon and nitrogen ratios and their effects on seed germination inCupressus sempervirenspopulations

Cited by 8 publications

References 34 publications

Effects of Warming and Phosphorus Enrichment on the C:N:P Stoichiometry of Potamogeton crispus Organs

Effects of Warming and Phosphorus Enrichment on the C:N:P Stoichiometry of Potamogeton crispus Organs

Maternal Environment Effect of Warming and Eutrophication on the Emergence of Curled Pondweed, Potamogeton crispus L.

Effects of carbon and nitrogen content on seed germination of calabrian pine (Pinus brutia) populations

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