On the modeling paradigm of plant root nutrient acquisition
Plant root nutrient acquisition, and to a lesser extent foliar nutrient uptake, maintain plant metabolism and strongly regulate terrestrial biogeochemistry and carbon-climate feedbacks. However, terrestrial biogeochemical models differ in their representations of plant root nutrient acquisition, lea...
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Veröffentlicht in: | Plant and soil 2021-02, Vol.459 (1/2), p.441-451 |
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description | Plant root nutrient acquisition, and to a lesser extent foliar nutrient uptake, maintain plant metabolism and strongly regulate terrestrial biogeochemistry and carbon-climate feedbacks. However, terrestrial biogeochemical models differ in their representations of plant root nutrient acquisition, leading to significantly different, and uncertain, carbon cycle and future climate projections. Here we first review biogeochemical principles and observations relevant to three essential plant root nutrient acquisition mechanisms: activity of nutrient acquiring proteins, maintenance of nutrient stoichiometry, and energy expenditure for these processes. We next examine how these mechanisms are considered in three existing modeling paradigms, and conclude by recommending the capacity-based approach, the need for observations, and necessary modeling developments of plant root nutrient acquisition to improve carbon-climate feedback projections. |
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However, terrestrial biogeochemical models differ in their representations of plant root nutrient acquisition, leading to significantly different, and uncertain, carbon cycle and future climate projections. Here we first review biogeochemical principles and observations relevant to three essential plant root nutrient acquisition mechanisms: activity of nutrient acquiring proteins, maintenance of nutrient stoichiometry, and energy expenditure for these processes. 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subjects | BASIC BIOLOGICAL SCIENCES Biogeochemistry Biogeochemistry-climate feedback Biomedical and Life Sciences Botanical research Carbon Carbon cycle Climate models Ecology Energy expenditure Food and nutrition Life Sciences Nutrient limitation Nutrient stoichiometry Nutrient uptake OPINION PAPER Physiological aspects Plant metabolism Plant Physiology Plant root nutrient acquisition Plant roots Plant Sciences Plantmicrobial competition Plants Roots (Botany) Soil Science & Conservation Stoichiometry Terrestrial biogeochemical modeling |
title | On the modeling paradigm of plant root nutrient acquisition |
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