Digital repository of Slovenian research organisations

Show document
A+ | A- | Help | SLO | ENG

Title:Nekateri ekofiziološki kazalci stresa pri dobu (Quercus robur L.) v severovzhodni Sloveniji
Authors:ID Čater, Matjaž (Author)
ID Batič, Franc (Author)
Files:.pdf PDF - Presentation file, download (1,43 MB)
MD5: D5E565A5426362D06D19CDD09AD02812
PID: 20.500.12556/dirros/a2b192e9-74d5-49b3-9fd6-82b487a2ee2c
 
Language:Slovenian
Typology:1.01 - Original Scientific Article
Organization:Logo SciVie - Slovenian Forestry Institute
Abstract:Opazno sušenje in fiziološko pešanje doba (Quercus robur L.) je posebno izrazito v Prekmurju v zadnjem desetletju zaradi sušnega podnebja, neugodne razporeditve padavin in možnih hidromelioracijskih ukrepov. Prispevek obravnava povezavo med vodnim stresom in kazalci vodnih razmer (višina podtalnice, padavine, vodostaji rek Mure in Ledave) ter drugimi kazalci stresa(vodni potencial, električna prevodnost kambijeve cone, osutost krošnje)v gozdnem kompleksu Murska šuma na skrajnem vzhodu Slovenije, kjer stabili izbrani dve ploskvi z različno poškodovanostjo dobovih dreves. Tam smo mesečno določali vodni potencial, električno prevodnost kambijeve cone in osutost krošnje. Meritve so pokazale zvezo med vodnim potencialom in gladino podtalnice, ki je bila na ploskvi z bolj prizadetimi dobovimi drevesi večja, kot na ploskvi z manjšo prizadetostjo. Vzporedno s terenskimi opazovanji je potekal lončni poskus v kontroliranih pogojih na petletnih dobovih sadikah, opravljen v avgustu. Točka začetnega zapiranja listnih rež je bila v intervalu med -0,5 in -0,7 MPa, nepovratno zapiranje pa je povzročil vodni potencial pod (bolj negativen) -1,62 MPa.
Keywords:dob, Quercus robur (L.), propadanje, rastišče, vodni režim, ksilemski vodni potencial, električna upornost, kambij, kambijeva cona, Prekmurje, Murska šuma, Slovenija
Publication status:Published
Publication version:Version of Record
Year of publishing:1999
Number of pages:str. 47-83
Numbering:Vol. 58
PID:20.500.12556/DiRROS-7443 New window
UDC:630
ISSN on article:0351-3114
URN:URN:NBN:SI:doc-UEWAVE6R
COBISS.SI-ID:504230 New window
Publication date in DiRROS:12.07.2017
Views:4422
Downloads:1881
Metadata:XML RDF-CHPDL DC-XML DC-RDF
:
Copy citation
  
Share:Bookmark and Share


Hover the mouse pointer over a document title to show the abstract or click on the title to get all document metadata.

Record is a part of a journal

Title:Zbornik gozdarstva in lesarstva. forest and wood science & technology
Shortened title:Zb. gozd. lesar.
Publisher:Gozdarski inštitut Slovenije, Biotehniška fakulteta, Oddelek za gozdarstvo in obnovljive gozdne vire, Biotehniška fakulteta, Oddelek za lesarstvo
ISSN:0351-3114
COBISS.SI-ID:6206978 New window

Secondary language

Language:English
Title:Some ecophysiological stress indicators of pedunculate oak (Quercus robur L.) in the north easteren of Slovenia
Abstract:In the last decade in Prekmurje, there has been a noticeable decline and physiologically weakening of the pedunculate oak (Quercus robur L.) because ofdry climate, unfavourable precipitation patterns and human influence throughchanges in watercourses and the water table. The paper addresses the relationship between water stress of the common oak and indicators of water status in the Murska {uma forest complex (groundwater table, precipitation, water level of the rivers Mura and Ledava) using plant stress indicators such as water potential, electrical resistance of the cambial zone and crown defoliation. Ttwo permanent plots with varying levels in decline in pedunculate oak trees were chosen. Water potential, electrical resistance of cambial zone and defoliation were measured once a month. The measurements showed a relationship of considerable importance between the water potential and groundwater table, which was stronger on plot that showed more intensive decline. At the same time a pot experiment was carried out withfive year common oak seedlings to define water potential at wilting and permanent stomatal closure point. The wilting point was reached at values between -0,5 and -0,7 MPa and permanent stomatal closure was reached below -1,62 MPa.
Keywords:pedunculate oak, Quercus robur (L.), oak decline, site, groundwater table, xylem water potential, electrical resistance, cambi, Murska šuma, Slovenia


Collection

This document is a part of these collections:
  1. Acta Silvae et Ligni

Back