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Academic literature on the topic 'Mischbestand'
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Journal articles on the topic "Mischbestand"
Kiziroğlu, Ilhami, Levend Turan, Ali Erdoğan, Özdemir Adizel, and Nahit Pamukoğlu. "Zur Schädlingsvertilgung einiger Singvogelarten in einem Schwarzkiefern/Eichen-Mischbestand im Beynamer Wald bei Ankara*." Anzeiger für Schädlingskunde 75, no. 4 (August 2002): 99–102. http://dx.doi.org/10.1034/j.1399-5448.2002.02032.x.
Full textHeinken, Th. "M. Kalhoff: Das Feinwurzelsystem in einem Kiefern-Eichen-Mischbestand. Struktur, Dynamik und Interaktion. Dissertationes Botanicae, Band 332. 199 S., 86 Abb., 36 Tab. J. Cramer in der Gebrüder Borntraeger Verlagsbuchhandlung, Berlin, Stuttgart, 2000. ISSN." Feddes Repertorium 112, no. 1 (April 18, 2008): 36. http://dx.doi.org/10.1002/fedr.20011120106.
Full textPretzsch, H. "Wuchsmodelle für Mischbestände als Herausforderung für die Waldwachstumsforschung." Forstwissenschaftliches Centralblatt 111, no. 1 (December 1992): 87–105. http://dx.doi.org/10.1007/bf02741662.
Full textHeinken, Th. "M. Kalhoff: Das Feinwurzelsystem in einem Kiefern-Eichen-Mischbestand. Struktur, Dynamik und Interaktion. Dissertationes Botanicae, Band 332. 199 S., 86 Abb., 36 Tab. J. Cramer in der Gebrüder Borntraeger Verlagsbuchhandlung, Berlin, Stuttgart, 2000. ISSN 0070-6728, ISBN 3-443-64244-6. Preis: kart. DM 90,—." Feddes Repertorium 112, no. 1 (July 2001): 36. http://dx.doi.org/10.1002/fedr.4921120106.
Full textPretzsch, Hans, Markus Kahn, and Rüdiger Grote. "Die Fichten-Buchen-Mischbestände des Sonderforschungsbereiches „Wachstum oder Parasitenabwehr?“ im Kranzberger Forst." Forstwissenschaftliches Centralblatt 117, no. 1-6 (December 1998): 241–57. http://dx.doi.org/10.1007/bf02832979.
Full textForrester, David I., Volodymyr Trotsiuk, and Amanda S. Mathys. "3-PG: ein physiologisches Waldwachstumsmodell." Schweizerische Zeitschrift fur Forstwesen 171, no. 3 (May 1, 2020): 158–64. http://dx.doi.org/10.3188/szf.2020.0158.
Full textDissertations / Theses on the topic "Mischbestand"
Schua, Karoline. "Standortsökologische Baumarteneffekte in einem Mischbestand aus Gemeiner Fichte (Picea abies [L.] KARST.) und Sand-Birke (Betula pendula Roth) im Erzgebirge." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-86186.
Full textIn a typical managed forest of the Ore Mountains (Saxony, SE Germany), consisting of 60 years old Norway spruce (Picea abies [L.] KARST.) admixed with silver birches (Betula pendula Roth) the impact of the admixture on topsoil properties was quantified and evaluated. This study was conducted in a stand which is representative for the Ore Mountains regarding the soil type, deposition and liming. Photosynthetic active radiation, the layer of herbs and mosses, the mass and distribution of the litter fall, the dynamics of litter decom-position, and morphology of the humus layer as well as the chemical and microbiological topsoil properties were all analyzed. The study was based on a single-tree-approach where samples were collected along transects from selected sample trees of birch and spruce. Transects were established within areas of pure spruce as well as within areas of spruce and birch mixture. Three different strata were defined based on the situation of the examined points in relation to the crowns of birch and spruce: the birch stratum, the spruce stratum and the spruce-birch stratum with measurements from underneath the crowns of birches, spruces and the transition area between spruce and birch crowns, respectively. Higher photosynthetic active radiation values were detected in the area underneath the crowns of birch crowns in comparison with the area underneath the crowns of spruce. Higher values of photosynthetic active radiation were also registered within areas of light foliage and in gaps in the pure spruce stand. The number of ground vegetation species underneath pure spruce and in the mixture of spruce and birch was negatively correlated with the distance to the crown edge. But altogether the same number of ground vegetation species was found in the mixed stand and in the pure spruce stand. A few species were, however, specific for each stand type. A higher coverage of ground vegetation was found in the mixture of spruce and birch in comparison to the pure spruce. The results of the litter traps show marginal densities of birch leaves at a distance of more than 16 m from the birch stem. The majority of the dry flux density was found within a radius of 10 m around the birch stem. Within this area an effect of the birch litter on top soil properties was expected. The whole dry litter mass was measured in the study time of a relative vital birch with a diameter at breast high of ca. 38 cm and was ca. 8 kg. Modeling the amount of litter for birches with lower vitality indicated a dry litter mass of 6.3 kg. The mass lost of the birch leaves in the litter bags was in each stratum the highest at a ratio of 5 to 1 of birch leaves to spruce needles. The greatest loss of dry mass for spruce needles was registered in litter-bags with pure needles. The litter-bags under the birch crowns exhibited the best decomposition rate of birch leaves and spruce needles for all variants. The C/N-ratios of the litter showed no clear positive effects of the birch crown. But they were clearly smaller for the birch leaves in contrast to the spruce needles in all variants, in each stratum and at all dates. Furthermore the C/N-curves drop away more for the birch leaves in contrast to the spruce needles. The thickness of the Of-horizon in contrast to the Oh-horizon showed clear spatial patterns for the mixed situation and the pure spruce area. Thus in the Of-horizon a clear spatial pattern in connection to the single tree was apparent. The highest thickness was found close to the stem. The highest total thickness of the Of- and Oh-horizon was found underneath the pure spruce stand. When comparing the thickness of the humus layers between the stratums, significant differences where found for the Of-layer between the birch stratum and the spruce stratum. In addition, for the thickness of the Oh-layer as well as for the total thickness of all layers, significant differences were observed between the spruce-birch stratum and the birch stratum. The humus form was a mor-like moder. In the spruce stratum more fine-humus-rich variants of the mor-like moder was found, in the spruce-birch stratum and in the birch stratum it was more fine-humus-poor variants of the mor-like moder. Significant differences between the stratums in the Of-layer were found with respect to acidification, the pool of Ctot and Ntot, the content of Ccarbonat and Ntot and the metabolic quotient. For the Oh-layer significant differences between the stratums were found for the ratio of Corg and N, the content of Ctot and Nmic, the ratio of Cmic and Nmic, the basal respiration activity and the metabolic quotient. In the A-horizon significant differences between the stratums were found for the ration of Corg and N, the content of Ctot, Ccarbonat and Corg and the pool of Ntot. The results of multivariate ordination confirm the formation of stratums again. Thereby the contents of C, Mg, Ca and N had the greatest influence. The data analysis of the effective cation exchange capacity (ECEC) showed differences between the stratums mainly for the A horizon. In the spruce stratum the ECEC was lowest and the percentage of acid cations at the ECEC was greatest. The highest ECEC was in the birch stratum. Different results showed clear tree effects. These were only found in areas, which are influenced by birch leaves. In this study, a minimum tree admixture of 10% was required before an impact on the ground conditions of the whole stand was observed. Therefore, based on the results of this study, an admixture of birch of 10% is recommended. These results however must be verified through future research. These findings can be used to assist in meeting the goals of silvicultural management for mixed spruce and birch forests in Germany. Definition of explicit ecological and economic criteria created from a combination of results from different forest research sectors (e. g. Site ecology, Vegetation science, Forest Growth, Economy, Zoology, Silviculture) is recommended
Wellhausen, Klaas Hendrik [Verfasser], Hans [Akademischer Betreuer] Pretzsch, Hans [Gutachter] Pretzsch, and Axel [Gutachter] Göttlein. "Wachstum von Kiefer und Fichte im Rein- und Mischbestand : Einzelbaum- und bestandesbezogener Vergleich von Struktur, Produktivität und Klimasensitivität / Klaas Hendrik Wellhausen ; Gutachter: Hans Pretzsch, Axel Göttlein ; Betreuer: Hans Pretzsch." München : Universitätsbibliothek der TU München, 2020. http://d-nb.info/1236342887/34.
Full textSchua, Karoline [Verfasser], Karl-Heinz [Akademischer Betreuer] Feger, and Klaus [Akademischer Betreuer] Katzensteiner. "Standortsökologische Baumarteneffekte in einem Mischbestand aus Gemeiner Fichte (Picea abies [L.] KARST.) und Sand-Birke (Betula pendula Roth) im Erzgebirge / Karoline Schua. Gutachter: Karl-Heinz Feger ; Klaus Katzensteiner. Betreuer: Karl-Heinz Feger." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://d-nb.info/1068442980/34.
Full textFrischbier, Nico. "Untersuchungen zur einzelbaumverursachten kleinräumigen Variabilität und regenhöhenbasierten Dynamik des Bestandesniederschlages am Beispiel zweier Buchen-Fichten-Mischbestände." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-94870.
Full textForests redistribute the precipitation falling on their canopy into interception, stemflow, drip or direct throughfall. Extremely high amounts of stemflow in the centre of the crown and distinct drip points along the crown edge of certain tree species can only be explained by admitting an additional precipitation component at these measurement locations that describes and captures the lateral movement of water within the individual tree crown (lateral in- or outflow). The aim of this study was therefore to analyse these precipitation-dependent, small-scale dynamics of precipitation redistribution in forests using field-measurements from two mixed stands of European beech (Fagus sylvatica L.) and Norway spruce (Picea abies (L.) Karst.). Periodic measurements of individual precipitation events were examined in relation to the respective gross precipitation, the type of canopy above a plot and the distance of a plot to its dominant sheltering canopy tree using variance and regression analysis, and complemented with stemflow analyses and litterfall models. Using this dataset, causal models for the high-precision estimation of throughfall were derived, showing tree species-specific pathways of the individual precipitation components through the tree crown. Apart from the particularities of measurements in canopy gaps, differences in throughfall between spruce and beech during the vegetation period amount to up to 35 % of gross precipitation per event, in favour of the beech canopy and depending on plot location. At the stem base of beech trees additional water can reach the forest floor via stemflow. The amount of water required to generate this stemflow can plausibly be explained by means of the verified lateral water flow in the inner third of beech crowns. Using a spatially explicit interception model combined with LAI estimates for specific individual trees, a spatial LAI model was developed for beech, showing maximal LAI values in the crown centre. As the net forest precipitation is sensitive with respect to precipitation amount, stand type, foliage status and the spatially explicit plot location below an individual tree crown, this study recommends the consideration of these influential factors and contradicts the commonly practiced blanket partitioning of precipitation into individual components based on spatial and temporal averages
Kahle, Mike. "Untersuchungen zum Wachstum der Elsbeere (Sorbus torminalis [L.] Crantz) am Beispiel einiger Mischbestände in Nordrhein-Westfalen /." Recklinghausen : Landesanstalt für Ökologie, Bodenordnung und Forsten, 2004. http://edok.ahb.niedersachsen.de/inhalt/07/491832184.pdf.
Full textPetercord, Ralf. "Entwicklung bewirtschafteter Buchen-Edellaubholz-Mischbestände unter dem Einfluss der Buchenwollschildlaus (Cryptococcus fagisuga Lind.) unter besonderer Berücksichtigung physiologischer und genetischer Aspekte /." Göttingen : Hainholz, 1999. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=008618645&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.
Full textNunn, Angela Josefine. "Risiko-Einschätzung der chronisch erhöhten Ozonbelastung mittels "Free-Air"-Begasung von Buchen (Fagus sylvatica) und Fichten (Picea abies) eines forstlich begründeten Mischbestandes." [S.l. : s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=974285854.
Full textNeuner, Susanne Renate [Verfasser], Thomas [Akademischer Betreuer] [Gutachter] Knoke, and Hans [Gutachter] Pretzsch. "Baumartenwahl im Klimawandel : Geänderte Überlebenswahrscheinlichkeiten und finanzielle Konsequenzen für Fichte, Buche und deren Mischbestände / Susanne Renate Neuner ; Gutachter: Thomas Knoke, Hans Pretzsch ; Betreuer: Thomas Knoke." München : Universitätsbibliothek der TU München, 2016. http://d-nb.info/1117796639/34.
Full textFrischbier, Nico [Verfasser], Sven [Akademischer Betreuer] Wagner, and Wolfgang [Akademischer Betreuer] Näther. "Untersuchungen zur einzelbaumverursachten kleinräumigen Variabilität und regenhöhenbasierten Dynamik des Bestandesniederschlages am Beispiel zweier Buchen-Fichten-Mischbestände / Nico Frischbier. Gutachter: Sven Wagner ; Wolfgang Näther. Betreuer: Sven Wagner." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://d-nb.info/1067732691/34.
Full textReitmayer, Heinrich. "Quantifizierung des spektralen Angebotes photosynthetisch aktiver Strahlung (PAR) innerhalb eines Fichten- Buchen- Mischbestandes Entwicklung und Aufbau eines Vielkanalmesssystems zur Erfassung des Sonnenspektrums im Wellenlängenbereich von 400 nm und 850 nm /." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=961284013.
Full textBooks on the topic "Mischbestand"
Mies, Erich. Elementeintrage in tannenreiche Mischbestande des Sudwestschwarzwaldes. Freiburg im Breisgau: Institut fur Bodenkunde und Waldernahrungslehre, 1987.
Find full textMies, Erich. Elementeinträge in tannenreiche Mischbestände des Südschwarzwaldes. Freiburg im Breisgau: Institut für Bodenkunde und Waldernährungsslehre der Albert-Ludwigs-Universität Freiburg i. Br., 1987.
Find full textElke, Küsters, ed. Die Kiefer im Rein- und Mischbestand.: Produktivität, Variabilität, Wachtumstrend. München: Bayerische Staatsforstverwaltung, 2004.
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