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An understated player of Climate Change - increased air humidity - impact on volatile signaling compound emission at northern forests

Total Cost €


EC-Contrib. €






 BioVOLHum project word cloud

Explore the words cloud of the BioVOLHum project. It provides you a very rough idea of what is the project "BioVOLHum" about.

influence    incl    sink    combine    assimilation    hydraulics    lue    synthesis    predicted    considerably    physiological    irradiation    simulations    spring    tree    feedback    forest    photosynthesis    agent    foliage    content    clarify    transpiration    predict    emissions    trees    vary    leaf    biogenic    forests    water    competence    temperate    carbon    measured    perspectives    compounds    latitudes    limited    pigments    volatile    experiment    manipulation    atmospheric    vapor    seasonality    pigment    link    hypothesizes    elaborate    data    professional    light    source    irradiance    environmental    air    appears    humidified    nitrogen    ah    revealed    global    ant    constraints    elevated    bvc    natural    models    greenhousegas    temperature    efficiency    free    period    plants    chemistry    mechanisms    emission    plant    differences    shoot    humidity    climate    consequently    substantially    nutrient    broad    bvcs    diffuse    outcome    northern    allocation    magnify    supply    variation    turn   

Project "BioVOLHum" data sheet

The following table provides information about the project.


Organization address
postcode: 14

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Finland [FI]
 Total cost 191˙325 €
 EC max contribution 191˙325 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2017
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2019
 Duration (year-month-day) from 2019-01-01   to  2020-12-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Global climate simulations predict increased atmospheric humidity (AH) for northern latitudes. Water vapor, as an effective greenhousegas, can magnify the rise in temperature even more. There is large uncertainty of the impact of elevated AH on the production of biogenic volatile compounds (BVCs) by plants, which in turn, might contribute considerably to changes in atmospheric chemistry. The aim of this project is to clarify the impact of increased AH and diffuse irradiation to carbon assimilation, allocation and consequently BVC emissions from northern forests. This study will combine a unique free-air manipulation experiment of increased AH in a temperate forest with analysis of long-term data of plant responses to natural variation in AH. A broad selection of environmental and plant parameters (incl. BVCs, growth, photosynthesis, leaf pigment and nitrogen content, tree hydraulics) will be measured during the period of shoot development in spring, to clarify the impact of seasonality and physiological constraints on the emission of BVCs. Increased AH appears to influence photosynthesis, transpiration and foliage nutrient supply in trees and previous research by the applicant has revealed that changes in light use efficiency (LUE), nitrogen and carbon allocation into pigments result from differences in irradiance and temperature, but BVC emissions are not well predicted by current carbon-allocation and climate models. This project hypothesizes that control and humidified trees vary in LUE due to differences in sink-source limited growth and resultant differences in allocation of carbon to synthesis of pigments or to BVCs. As an outcome of this project, the feedback mechanisms between carbon production, allocation and BVC emissions will be analyzed and the link between air humidity and BVC production will be proposed as an important agent of climate change. The project will substantially elaborate the professional competence and perspectives of the applicant.

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The information about "BIOVOLHUM" are provided by the European Opendata Portal: CORDIS opendata.

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