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Related Concept Videos

Carbon-dioxide Fixation01:28

Carbon-dioxide Fixation

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Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
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Plant cells maintain appropriate osmotic balance in extreme conditions. For instance, plants in dry environments store water in vacuoles, limit the opening of their stoma, and have thick, waxy cuticles to prevent unnecessary water loss. Some species of plants that live in salty environments store salt in their roots. As a result, water osmosis occurs in the root from the surrounding soil.
Tonicity
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The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics
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A Simple Method Using an Allometric Model to Quantify the Carbon Sequestration Capacity in Vineyards.

Rui Song1, Zongwen Zhu1, Liang Zhang1

  • 1College of Enology, Northwest A&F University, Xianyang 712100, China.

Plants (Basel, Switzerland)
|March 11, 2023
PubMed
Summary

Vineyards sequester significant carbon, with total storage increasing with vine age. Soil and perennial organs store the most carbon, highlighting vineyards as crucial carbon sinks.

Keywords:
carbon storagedistribution featuresperennial organsvineyard ecosystemwinegrape

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Area of Science:

  • Agroecology
  • Environmental Science
  • Viticulture

Background:

  • Winegrape cultivation is integral to agroecosystems.
  • Grapevines possess substantial potential for carbon sequestration and storage.
  • Mitigating greenhouse gas emissions is a global environmental priority.

Purpose of the Study:

  • To determine grapevine biomass and analyze carbon storage and distribution in vineyard ecosystems.
  • To quantify the carbon sequestration capacity of Cabernet Sauvignon vineyards.
  • To assess the relationship between vine age and carbon sequestration.

Main Methods:

  • Utilized an allometric model for winegrape organs to estimate biomass.
  • Analyzed carbon storage and distribution patterns within vineyard ecosystems.
  • Quantified carbon sequestration in a specific vineyard region (Helan Mountain East).

Main Results:

  • Total carbon storage in grapevines increases with vine age, ranging from 50.22 t·ha⁻¹ in 5-year-old vines to 61.06 t·ha⁻¹ in 20-year-old vines.
  • The majority of carbon storage resides in the soil, particularly in the top 0-40 cm layer.
  • Biomass carbon is primarily stored in perennial organs (branches and roots), with sequestration rates declining as vines mature.

Conclusions:

  • Vineyards exhibit a net carbon sequestration capacity.
  • Vine age is positively correlated with increased carbon sequestration over time.
  • Accurate biomass carbon estimations using allometric models can establish vineyards as significant carbon sinks and inform regional ecological value assessments.