NATURE PRESENTATION
Hanna Hamann
Created on June 1, 2022
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Transcript
Forests in northern germany
Hanna Hamann
Index
1. Overview and Development of different Forests
2. forest Types in detail
3. Human Impact2.1. weichselian moraines2.2. central sandy deposits2.3. holocene marshes
4. Sources
Section
- woodruff beech forestst
- wood hairgrass beech forests
- hard- and softwood alluvial forests
- alder swamp forests
Overview
correlating main forest types
- weichselian moraines - east
- central sandy deposits - center
- holocene marshes - west
Main landscape types
woodruff beech forests
- main species red beech
- ca 35 m, dense tree crown
- rich ground vegetation, blooms very colourful in early spring
- deadwood is habitat for many animal species
located on weichselian moraines
woodruff beech forests
- sandy, low pH soils
- red beech main species
- not much ground vegetation
crinkled hairgrass beech forests
central sandy deposits
crinkled hairgrass beech forests
Alluvial woods
- flooded less frequently
- wet for shorter time period
- higher over water level
- mainly populatet by oaks, ash trees and elms
hardwooded
- flooded often
- wet for long time period
- lower and close to water level
- mainly populatet by willows
softwooded
alder swamp forests
- permanet high water levels
- only small fluctuation
- mainly populatet by alder trees, adjustet to wet habitats
- home for animals adapted to water
holocene marshes
human impact
- large areas of beech forests replaced for wood production
- deadwood gets removed by forestry
- general loss of forest area
von Oheimb, G., Friedel, A., Bertsch, A. & W. Hardtle (2007): The effects of windthrow on plant
species richness in a Central European beech forest. Plant Ecology 191:47–65
Härdtle, W., von Oheimb, G. & C. Westphal (2003): The effects of light and soil conditions on the
species richness of the ground vegetation of deciduous forests in northern Germany (SchleswigHolstein). Forest Ecology
https://www.youtube.com/watch?v=RKvCuQyatbk
lecture "Ökologie mitteleuropäischer Lebensräume" by Kai Jensen, part two, "Wälder"
https://www.biologie-seite.de/Biologie/Erlenbruch
pictures
content
sources
https://www.ecosia.org/images?q=waldmeister%20buchenwald#id=57B34C9C552F9E71C8325D383E660F7AA05880C9https://www.feuchtwaelder.de/lebensraum/auenwaelder/fauna/
https://www.ecosia.org/images?q=buschwindr%C3%B6schen#f=null&id=146D0B7EE1CBD05DF5706152AE5FE12896560492
https://www.ecosia.org/images?q=drahtschmiele#id=9368A7C39DB86B5EBC18BBE2295EF6DFC871EE2A
https://www.ecosia.org/images?q=auenwald%20fauna#id=D1A0E26083FA057C130736778E5747DC4CEA587C
ecture "Ökologie mitteleuropäischer Lebensräume" by Kai Jensen, part two, "Wälder"
https://www.ecosia.org/images?q=forstwirtschaft
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