Co-varying effects of vegetation structure and terrain attributes are responsible for soil respiration spatial patterns in a sandy forest–steppe transition zone

<p>Forest–steppe habitats in central Hungary have contrasting canopy structure with strong influence on the spatiotemporal variability of ecosystem functions. Canopy differences also co-vary with terrain feature effects, hampering the detection of key drivers of carbon cycling in this threaten...

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Autores principales:	G. Süle, S. Fóti, L. Körmöczi, D. Petrás, L. Kardos, J. Balogh
Formato:	article
Lenguaje:	EN
Publicado:	Copernicus Publications 2021
Materias:	Human ecology. Anthropogeography GF1-900 Environmental sciences GE1-350 Oceanography GC1-1581 Science Q Biology (General) QH301-705.5 Ecology QH540-549.5 Microbiology QR1-502 Physiology QP1-981 Natural history (General) QH1-278.5 General. Including nature conservation, geographical distribution QH1-199.5 Zoology QL1-991 Botany QK1-989
Acceso en línea:	https://doaj.org/article/dbd725f896764c03896ae91a8d28a9d9
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spelling	oai:doaj.org-article:dbd725f896764c03896ae91a8d28a9d92021-11-09T11:37:23ZCo-varying effects of vegetation structure and terrain attributes are responsible for soil respiration spatial patterns in a sandy forest–steppe transition zone10.5194/we-21-95-20212193-30811399-1183https://doaj.org/article/dbd725f896764c03896ae91a8d28a9d92021-11-01T00:00:00Zhttps://we.copernicus.org/articles/21/95/2021/we-21-95-2021.pdfhttps://doaj.org/toc/2193-3081https://doaj.org/toc/1399-1183<p>Forest–steppe habitats in central Hungary have contrasting canopy structure with strong influence on the spatiotemporal variability of ecosystem functions. Canopy differences also co-vary with terrain feature effects, hampering the detection of key drivers of carbon cycling in this threatened habitat. We carried out seasonal measurements of ecosystem functions (soil respiration and leaf area index), microclimate and soil variables as well as terrain features along transects for 3 years in poplar groves and the surrounding grasslands. We found that the terrain features and the canopy differences co-varyingly affected the abiotic and biotic factors of this habitat. Topography had an effect on the spatial distribution of soil organic carbon content. Canopy structure had a strong modifying effect through allocation patterns and microclimatic conditions, both affecting soil respiration rates. Due to the vegetation structure difference between the groves and grasslands, spatial functional diversity was observed. We found notably different conditions under the groves with high soil respiration, soil water content and leaf area index; in contrast, on the grasslands (especially in E–SE–S directions from the trees) soil temperature and vapor pressure deficit showed high values. Processes of aridification due to climate change threaten these habitats and may cause reduction in the amount and extent of forest patches and decrease in landscape diversity. Owing to habitat loss, reduction in carbon stock may occur, which in turn has a significant impact on the local and global carbon cycles.</p>G. SüleS. FótiS. FótiL. KörmöcziD. PetrásL. KardosJ. BaloghCopernicus PublicationsarticleHuman ecology. AnthropogeographyGF1-900Environmental sciencesGE1-350OceanographyGC1-1581ScienceQBiology (General)QH301-705.5EcologyQH540-549.5MicrobiologyQR1-502PhysiologyQP1-981Natural history (General)QH1-278.5General. Including nature conservation, geographical distributionQH1-199.5ZoologyQL1-991BotanyQK1-989ENWeb Ecology, Vol 21, Pp 95-107 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Human ecology. Anthropogeography GF1-900 Environmental sciences GE1-350 Oceanography GC1-1581 Science Q Biology (General) QH301-705.5 Ecology QH540-549.5 Microbiology QR1-502 Physiology QP1-981 Natural history (General) QH1-278.5 General. Including nature conservation, geographical distribution QH1-199.5 Zoology QL1-991 Botany QK1-989
spellingShingle	Human ecology. Anthropogeography GF1-900 Environmental sciences GE1-350 Oceanography GC1-1581 Science Q Biology (General) QH301-705.5 Ecology QH540-549.5 Microbiology QR1-502 Physiology QP1-981 Natural history (General) QH1-278.5 General. Including nature conservation, geographical distribution QH1-199.5 Zoology QL1-991 Botany QK1-989 G. Süle S. Fóti S. Fóti L. Körmöczi D. Petrás L. Kardos J. Balogh Co-varying effects of vegetation structure and terrain attributes are responsible for soil respiration spatial patterns in a sandy forest–steppe transition zone
description	<p>Forest–steppe habitats in central Hungary have contrasting canopy structure with strong influence on the spatiotemporal variability of ecosystem functions. Canopy differences also co-vary with terrain feature effects, hampering the detection of key drivers of carbon cycling in this threatened habitat. We carried out seasonal measurements of ecosystem functions (soil respiration and leaf area index), microclimate and soil variables as well as terrain features along transects for 3 years in poplar groves and the surrounding grasslands. We found that the terrain features and the canopy differences co-varyingly affected the abiotic and biotic factors of this habitat. Topography had an effect on the spatial distribution of soil organic carbon content. Canopy structure had a strong modifying effect through allocation patterns and microclimatic conditions, both affecting soil respiration rates. Due to the vegetation structure difference between the groves and grasslands, spatial functional diversity was observed. We found notably different conditions under the groves with high soil respiration, soil water content and leaf area index; in contrast, on the grasslands (especially in E–SE–S directions from the trees) soil temperature and vapor pressure deficit showed high values. Processes of aridification due to climate change threaten these habitats and may cause reduction in the amount and extent of forest patches and decrease in landscape diversity. Owing to habitat loss, reduction in carbon stock may occur, which in turn has a significant impact on the local and global carbon cycles.</p>
format	article
author	G. Süle S. Fóti S. Fóti L. Körmöczi D. Petrás L. Kardos J. Balogh
author_facet	G. Süle S. Fóti S. Fóti L. Körmöczi D. Petrás L. Kardos J. Balogh
author_sort	G. Süle
title	Co-varying effects of vegetation structure and terrain attributes are responsible for soil respiration spatial patterns in a sandy forest–steppe transition zone
title_short	Co-varying effects of vegetation structure and terrain attributes are responsible for soil respiration spatial patterns in a sandy forest–steppe transition zone
title_full	Co-varying effects of vegetation structure and terrain attributes are responsible for soil respiration spatial patterns in a sandy forest–steppe transition zone
title_fullStr	Co-varying effects of vegetation structure and terrain attributes are responsible for soil respiration spatial patterns in a sandy forest–steppe transition zone
title_full_unstemmed	Co-varying effects of vegetation structure and terrain attributes are responsible for soil respiration spatial patterns in a sandy forest–steppe transition zone
title_sort	co-varying effects of vegetation structure and terrain attributes are responsible for soil respiration spatial patterns in a sandy forest–steppe transition zone
publisher	Copernicus Publications
publishDate	2021
url	https://doaj.org/article/dbd725f896764c03896ae91a8d28a9d9
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Co-varying effects of vegetation structure and terrain attributes are responsible for soil respiration spatial patterns in a sandy forest–steppe transition zone

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