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  1. Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch
  2. Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 118
  3. Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 118, Issue 1-6, December 1999
  4. Conservation of species, processes and resources against the background of faunistic investigations of the forest canopy
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Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 136
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 135
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 134
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 133
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 132
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 131
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 130
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 129
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 128
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 127
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 126
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 125
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 124
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 123
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 122
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 121
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 120
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 119
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 118
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 118, Issue 1-6, December 1999
Forest management strategies in the context of potential climate change
Height increment models for Austrian forests
Logistics in timber production — state-of-the-art and perspectives
Measuring fragmentation and structural diversity
The influence of elevated CO2 on growth parameters of various provenances of European beech (Fagus sylvatica L.) at different irradiance
Buchbesprechungen
Editorial
Conservation of species, processes and resources against the background of faunistic investigations of the forest canopy
Indicators of forest soil fertility — temporal changes and anthropogenic impact
Forests in the alps and their performance under the conflicting social forces of the future
Generation of variable assortment and calculation tables for forest management
Development prognosis of forest ecosystems in the light of hierarchy theory
Buchbesprechungen
Yield tables for Norway spruce stands in Greece
Economic investigation of advanced planting in old spruce stands
Carbon budget of a virginNothofagus forest in Tierra del Fuego
Dead wood research in forest reserves of Northwest-Germany: methodology and results
Vegetation ecology of primeval and managed forests. Comparison of Tilio-Carpinetum-stands in the Bialowieza forest area (Northeastern Poland)
Opportunities for balance-sheets in forestry-companies in view of the circumstances of the German commerce law and tax-law
Estimating chemical soil parameters for sample plots of the Austrian Forest Inventory
Changes in forest growth
Radial growth of Norway spruce and European beech in relation to weather and altitude
Twig abscission (cladoptosis) and its ecophysiological significance for decline symptoms inQuercus robur L.
Interpretation of the nutritional status of forest trees by the Diagnosis and Recommendation Integrated System (DRIS)
Forest liming and root system of beech (Fagus sylvatica) A case study in the Sauerland region
Deadwood in commercial forest: a source of danger for the outbreak of pest species?
Application of sample inventory data for prognosis, harvest planning and silvicultural improvement in a forest district
List of reviewers in the year 1999
A simple routine method for assessing the SO4 2− remobilization potential of forest soils for sulfate-sulfur from atmospheric deposition
Water chemistry in a forested catchment as influenced by biogeochemical transformations in riparian soils
Estimating tree heights with Johnson’s SBB-distribution
Forest science or forest sciences: interdisciplinarity between inevitability, vision, and utopia
Buchbesprechungen
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 117
Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 116

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Conservation of species, processes and resources against the background of faunistic investigations of the forest canopy

Content Provider Springer Nature Link
Author Ammer, Ulrich Schubert, Holger
Copyright Year 1999
Abstract In 3 Wirtschaftswaldbeständen unterschiedlicher Naturnähe und in 2 ungenutzten Wäldern (20 bzw. 90 Jahre aus der Nutzung) im Hienheimer Forst bei Kelheim wurden insgesamt 39 Bäume (Eiche, Buche, Fichte, Lärche) mit verschiedenen Fallentypen befangen. Vier der gefangenen Tierartengruppen (Käfer, Spinnen, Netzflügler und Wanzen) wurden bis zur Art bestimmt.Die Ergebnisse zeigen bei den Käfern eine deutliche Abhängigkeit zum Naturnähegrad der Bestände, was im wesentlichen auf den hohen Anteil von Totholzkäfern am Gesamtspektrum zurückzuführen ist.Die Spinnen sind in Wirtschafts- und in Naturwäldern ziemlich gleichmäßig verteilt. Sie sind wohl eher abhängig von Raumstrukturen, die nicht zwingend mit der Naturnähe eines Bestandes korrelieren müssen.Auch bei den Netzflügern und den Wanzen ist keine Beziehung zur Naturnähe nachweisbar. Sie kommen in bewirtschafteten Laubmischwäldern mindestens ebenso häufig und artenreich vor wie in den ungenutzten Beständen. Sie sind typische Vertreter eines wärme- und lichtbetonten Habitats und besonders an Lichtbaumarten (wie Eiche und Lärche) gebunden.Aus den Kronenfängen ergibt sich, daß gut aufgebaute und gepflegte Mischwälder nicht grundsätzlich artenärmer sind als Naturwälder, vor allem wenn an den Mischbaumarten die Eiche beteiligt ist. In reinen Fichtenbeständen sind dagegen eher artenärmere Zönosen zu erwarten. Dies gilt allerdings auch für reine und geschlossene Buchenbestände, wie sie von Natur aus auf vielen unserer Waldstandorte anzutreffen wären.Von daher ist Prozeßschutz, d. h. ein prioritäres Abstellen auf die Naturnähe mit einer max. Förderung von Arten auf Bestandesebene schwer vereinbar.Für die Erhaltung und Förderung eines möglichst umfassenden Arteninventars ist vielmehr eine sensible, auf Baumartenvielfalt und Strukturdiversität ausgerichtete Nutzung hilfreich. Unter Berücksichtigung auch der Forderungen des Ressourcenschutzes lassen sich jedoch regionale oder besser naturraumbezogene Kompromisse erreichen, die diskutiert werden.Die Ergebnisse dieser Arbeit haben einige Fragen aufgeworfen, die eine weitergehende Untersuchung erfordern. Als vorrangiges Ziel ist auf eine intensivere Erforschung der heimischen Wirtschaftswälder hinzuweisen. Erst ein tieferer Einblick in bewirtschaftete Systeme kann zeigen, welche naturschutzfachlich wichtigen Strukturen diese Flächen bereits besitzen und welche ihnen noch fehlen. Gerade die Berücksichtigung des Naturschutzes in bewirtschafteten Wäldern sichert Lebensräume auf großer Fläche.We captured arthropods in three commercial forests with different degrees of naturalness and two unlogged forests (out of management for the past 20 and 90 years) in the Hienheimer Forst near Kelheim (Germany). We chose 39 trees (oak, beech, spruce and larch) using different trapping systems. Four of the captured taxa were determined to species (Colepotera, Araneae, Neuropteroidea and Heteroptera). The results indicate a strong dependence of beetle species diversity on the naturalness of the sites. This is mainly due to the great proportion of saproxylic beetles within the total amount of species.The number of spider species are comparable in natural and commercial forests. They mainly seem to depend on strucutral elements which are not necessarily correlated with the naturalness of a site.Also, the neuropteroids and true bugs do not exhibit any clear relationship to the naturalness of the sites. The species diversity in commercial broadleaf forests is comparable to that of the unlogged sites. The majority of the species are typical inhabitants of light and warm habitats and therefore bound to light-demanding tree species such as oak and larch.The results of the canopy traps show that the amount of species in commercial forests does not have to be less than that in nature forests, especially in mixed stands where oak is involved. Pure spruce stands, on the other hand, exhibit lower values for species diversity. But this is also true for unmixed beech forests, the natural vegetation unit for a large proportion of our landscapes.Consequently, the conservation of processes, i.e. focusing on the maximation of naturalness of our forests, interfers with the other possible goal of maximizing species diversity.For the maintainance and promotion of species diversity one should focus on using forest habitats in a way that ensures high diversity of tree species and structures. To take into account the demands of the protection of natural ressources one has to extend the visual angle as discussed in this article.The controversal results raise a lot of questions that demand further investigation. Predominantly this is the further exploration of our domestic commercial forests. Only a deeper insight into used systems can reveal which structures relevant to conservational issues those areas already carry and which are lacking. Observing conservational aspects in commercial forests is an important chance to secure important habitats on a large environmental scale that should not be missed.
Starting Page 70
Ending Page 87
Page Count 18
File Format PDF
ISSN 00158003
Journal Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch
Volume Number 118
Issue Number 1-6
e-ISSN 14390337
Language English
Publisher Springer-Verlag
Publisher Date 1999-01-01
Publisher Place Berlin, Heidelberg
Access Restriction Subscribed
Subject Keyword coleoptera araneae neuropteroidea canopy forestry biodiversity comparison unlogged forests heteroptera Forestry Plant Sciences Plant Ecology
Content Type Text
Resource Type Article
Subject Plant Science Forestry
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