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Article

Ground Level Isoprenoid Exchanges Associated with Pinus pinea Trees in A Mediterranean Turf

by 1,2,*, 1,2 and 1,2
1
Consejo Superior de Investigaciones Científicas, Global Ecology Unit CREAF-CSIC-UAB, E08193 Bellaterra, Catalonia, Barcelona, Spain
2
Centre de Recerca Ecològica i Aplicacions Forestals, E08193 Cerdanyola, Catalonia, Spain
*
Author to whom correspondence should be addressed.
Atmosphere 2020, 11(8), 809; https://doi.org/10.3390/atmos11080809
Received: 10 July 2020 / Revised: 23 July 2020 / Accepted: 28 July 2020 / Published: 31 July 2020
(This article belongs to the Special Issue Plant Adaptation to Global Climate Change)
The emissions of isoprenoids, a kind of biogenic volatile organic compounds (BVOCs), from soils is not well characterized. We quantified the exchange of isoprenoids between soil with litter and atmosphere along a horizontal gradient from the trunks of the trees, in a Mediterranean Pinus pinea plantation with dry and green needle litter to open herbaceous turf during mornings at mid-summer. Further, potential associated drivers were identified. Isoprenoid emissions were greatest and most diverse, and also can be roughly estimated by litter dry weight near the trunk, where the needle litter was denser. The composition of emitted isoprenoid by needle litter was different than the composition previously described for green needles. Low exchange rates of isoprenoids were recorded in open turf. Isoprenoid exchange rates were correlated positively with soil temperature and negatively with soil moisture. Given the variations in ground emissions with soil, vegetation, microorganisms, and associated interactions, we recommend widespread extensive spatio-temporal analysis of ground level BVOC exchanges in the different ecosystem types. View Full-Text
Keywords: isoprenoid exchanges; ground; litter emissions; soil; Pinus pinea; distance gradient; Mediterranean turf isoprenoid exchanges; ground; litter emissions; soil; Pinus pinea; distance gradient; Mediterranean turf
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MDPI and ACS Style

Mu, Z.; Llusià, J.; Peñuelas, J. Ground Level Isoprenoid Exchanges Associated with Pinus pinea Trees in A Mediterranean Turf. Atmosphere 2020, 11, 809. https://doi.org/10.3390/atmos11080809

AMA Style

Mu Z, Llusià J, Peñuelas J. Ground Level Isoprenoid Exchanges Associated with Pinus pinea Trees in A Mediterranean Turf. Atmosphere. 2020; 11(8):809. https://doi.org/10.3390/atmos11080809

Chicago/Turabian Style

Mu, Zhaobin; Llusià, Joan; Peñuelas, Josep. 2020. "Ground Level Isoprenoid Exchanges Associated with Pinus pinea Trees in A Mediterranean Turf" Atmosphere 11, no. 8: 809. https://doi.org/10.3390/atmos11080809

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