NATURE PRESENTATION
Hanna Hamann
Created on June 1, 2022
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Transcript
Hanna Hamann
Forests in northern germany
1. Overview and Development of different Forests 2. forest Types in detail2.1. weichselian moraines2.2. central sandy deposits2.3. holocene marshes3. Human Impact4. Sources
Index
Section
Main landscape types
- weichselian moraines - east
- central sandy deposits - center
- holocene marshes - west
correlating main forest types
Overview
- woodruff beech forestst
- wood hairgrass beech forests
- hard- and softwood alluvial forests
- alder swamp forests
located on weichselian moraines
- 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
woodruff beech forests
woodruff beech forests
central sandy deposits
crinkled hairgrass beech forests
- sandy, low pH soils
- red beech main species
- not much ground vegetation
crinkled hairgrass beech forests
softwooded
- flooded often
- wet for long time period
- lower and close to water level
- mainly populatet by willows
hardwooded
- flooded less frequently
- wet for shorter time period
- higher over water level
- mainly populatet by oaks, ash trees and elms
Alluvial woods
holocene marshes
- permanet high water levels
- only small fluctuation
- mainly populatet by alder trees, adjustet to wet habitats
- home for animals adapted to water
alder swamp forests
- large areas of beech forests replaced for wood production
- deadwood gets removed by forestry
- general loss of forest area
human impact
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=146D0B7EE1CBD05DF5706152AE5FE12896560492https://www.ecosia.org/images?q=drahtschmiele#id=9368A7C39DB86B5EBC18BBE2295EF6DFC871EE2Ahttps://www.ecosia.org/images?q=auenwald%20fauna#id=D1A0E26083FA057C130736778E5747DC4CEA587Cecture "Ökologie mitteleuropäischer Lebensräume" by Kai Jensen, part two, "Wälder"https://www.ecosia.org/images?q=forstwirtschaft
sources
content
pictures
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 191:47–65Härdtle, 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 Ecologyhttps://www.youtube.com/watch?v=RKvCuQyatbklecture "Ökologie mitteleuropäischer Lebensräume" by Kai Jensen, part two, "Wälder"https://www.biologie-seite.de/Biologie/Erlenbruch
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