Mortality and crown conditions on Quercus robur L. permanent plots - a 20-year overview

Pedunculate oak (Quercus robur L.) forests in Slovenia are experiencing widespread mortality. Changes in lowlands are reflected in decline of complete forest complexes, high mortality, uneven stand structure and associated forest regeneration problems. Prediction of the present-tree respons...

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Autor principal:	Matjaž Čater
Formato:	article
Lenguaje:	DE EN ES FR SL
Publicado:	Slovenian Forestry Institute 2014
Materias:	Forestry SD1-669.5 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/de8a84d8cc244e859c1896c81b31a8d8
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spelling	oai:doaj.org-article:de8a84d8cc244e859c1896c81b31a8d82021-11-15T12:33:58ZMortality and crown conditions on Quercus robur L. permanent plots - a 20-year overview2335-31122335-395310.20315/ASetL.105.2https://doaj.org/article/de8a84d8cc244e859c1896c81b31a8d82014-01-01T00:00:00Zhttp://dirros.openscience.si/IzpisGradiva.php?id=7787https://doaj.org/toc/2335-3112https://doaj.org/toc/2335-3953 Pedunculate oak (Quercus robur L.) forests in Slovenia are experiencing widespread mortality. Changes in lowlands are reflected in decline of complete forest complexes, high mortality, uneven stand structure and associated forest regeneration problems. Prediction of the present-tree response in disturbed forest ecosystems may significantly contribute to better guideline policies for the silvicultural and forest management practice in the changing environment in both stressed and stabile forest ecosystems. Data from annual crown condition surveys in the 1995-2014 period from four permanent plots have been compared with parameters from hemispherical photo analysis and hydrometeorological data. Good agreement has been confirmed between crown defoliation and total openness; all parameters from the hemispherical photo analysis, which were corrected for winter period values, also indicated a better agreement. Mortality rate and crown defoliation correlated well with extreme drought events. Pattern of agreement among compared parameters was different for the Krakovski gozd and Dobrava plots on one hand and Cigonca and Hraščica plots on the other hand. Mortality is influenced by the average air temperatures much more than by precipitation and groundwater table oscillationsMatjaž ČaterSlovenian Forestry InstitutearticleForestrySD1-669.5Environmental sciencesGE1-350DEENESFRSLActa Silvae et Ligni, Vol 105, Pp 17-25 (2014)
institution	DOAJ
collection	DOAJ
language	DE EN ES FR SL
topic	Forestry SD1-669.5 Environmental sciences GE1-350
spellingShingle	Forestry SD1-669.5 Environmental sciences GE1-350 Matjaž Čater Mortality and crown conditions on Quercus robur L. permanent plots - a 20-year overview
description	Pedunculate oak (Quercus robur L.) forests in Slovenia are experiencing widespread mortality. Changes in lowlands are reflected in decline of complete forest complexes, high mortality, uneven stand structure and associated forest regeneration problems. Prediction of the present-tree response in disturbed forest ecosystems may significantly contribute to better guideline policies for the silvicultural and forest management practice in the changing environment in both stressed and stabile forest ecosystems. Data from annual crown condition surveys in the 1995-2014 period from four permanent plots have been compared with parameters from hemispherical photo analysis and hydrometeorological data. Good agreement has been confirmed between crown defoliation and total openness; all parameters from the hemispherical photo analysis, which were corrected for winter period values, also indicated a better agreement. Mortality rate and crown defoliation correlated well with extreme drought events. Pattern of agreement among compared parameters was different for the Krakovski gozd and Dobrava plots on one hand and Cigonca and Hraščica plots on the other hand. Mortality is influenced by the average air temperatures much more than by precipitation and groundwater table oscillations
format	article
author	Matjaž Čater
author_facet	Matjaž Čater
author_sort	Matjaž Čater
title	Mortality and crown conditions on Quercus robur L. permanent plots - a 20-year overview
title_short	Mortality and crown conditions on Quercus robur L. permanent plots - a 20-year overview
title_full	Mortality and crown conditions on Quercus robur L. permanent plots - a 20-year overview
title_fullStr	Mortality and crown conditions on Quercus robur L. permanent plots - a 20-year overview
title_full_unstemmed	Mortality and crown conditions on Quercus robur L. permanent plots - a 20-year overview
title_sort	mortality and crown conditions on quercus robur l. permanent plots - a 20-year overview
publisher	Slovenian Forestry Institute
publishDate	2014
url	https://doaj.org/article/de8a84d8cc244e859c1896c81b31a8d8
work_keys_str_mv	AT matjazcater mortalityandcrownconditionsonquercusroburlpermanentplotsa20yearoverview
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Mortality and crown conditions on Quercus robur L. permanent plots - a 20-year overview

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