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Proceeding Paper

Different Temperature and Humidity Responses to the Clear-Cut and the Gap in a Scots Pine Forest: A Study Case in Central Poland

Institute of Forest Sciences, Department of Silviculture, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warsaw, Poland
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Presented at the 1st International Electronic Conference on Forests—Forests for a Better Future: Sustainability, Innovation, Interdisciplinarity, 15–30 November 2020; Available online: https://iecf2020.sciforum.net.
Academic Editors: Angela Lo Monaco, Cate Macinnis-Ng and Om P. Rajora
Environ. Sci. Proc. 2021, 3(1), 74; https://doi.org/10.3390/IECF2020-07998
Published: 12 November 2020
In recent decades, relatively few experimental studies have been carried out in which the micrometeorological conditions have been studied over different small clearings plots of the forest. As these conditions can significantly affect many processes in the ecosystem, two questions arise: (1) whether and how the microclimatic conditions differ in the clear-cut and the gap, and (2) how heterogeneous the distribution of these conditions is on these plots. The aim of this study was to determine the spatial variation of air temperature on the clear-cut and gap as well as to compare the distribution of thermal and humidity conditions in both areas. The research was carried out in central Poland on a clear-cut with a width of 60 m and on a gap of an ellipsoid shape (40 × 70 m). The measurements were carried out in two series: spring–summer, during the period when the height of the sun during the day conditioned the inflow of direct solar radiation to any surface (May–August 2006), and autumn, when direct radiation was limited by neighbouring stands (October–November 2006). Average values of air temperature on the gap in the spring–summer period differed in individual parts of 2.2 °C, while on the clear-cut by 1.0 °C. In the autumn, thermal diversity on both research plots was similar (average 0.8 °C). The thermal diversity within the research areas was particularly marked in the case of extreme air temperature values. We found the modest spatial diversification of humidity parameters: vapour pressure, relative humidity, and humidity deficit. The particularly large diversification of relativity humidity and vapour pressure deficit occurred during the spring–summer period in the context of heat waves. The least beneficial thermal and humidity conditions for growing plants occurred in the north-eastern (NE) parts of the clear-cut and gap, which is why it is necessary to take particular note of these locations when undertaking silviculture.
Keywords: temperature; vapour pressure; relative humidity; vapour pressure deficit temperature; vapour pressure; relative humidity; vapour pressure deficit
MDPI and ACS Style

Chojnacka-Ożga, L.; Ożga, W. Different Temperature and Humidity Responses to the Clear-Cut and the Gap in a Scots Pine Forest: A Study Case in Central Poland. Environ. Sci. Proc. 2021, 3, 74. https://doi.org/10.3390/IECF2020-07998

AMA Style

Chojnacka-Ożga L, Ożga W. Different Temperature and Humidity Responses to the Clear-Cut and the Gap in a Scots Pine Forest: A Study Case in Central Poland. Environmental Sciences Proceedings. 2021; 3(1):74. https://doi.org/10.3390/IECF2020-07998

Chicago/Turabian Style

Chojnacka-Ożga, Longina, and Wojciech Ożga. 2021. "Different Temperature and Humidity Responses to the Clear-Cut and the Gap in a Scots Pine Forest: A Study Case in Central Poland" Environmental Sciences Proceedings 3, no. 1: 74. https://doi.org/10.3390/IECF2020-07998

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