raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... taxonomy...
TRANSCRIPT
![Page 1: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/1.jpg)
Raccoons - a new threat to indigenous species? - Feeding ecology investigations in a German National Park -
R. Vitt
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
I. Bartussek
![Page 2: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/2.jpg)
• Raccoon settlement in Germany
• Applied research on raccoons:
„Projekt Waschbär“
topics of research
selected results
Outline
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 3: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/3.jpg)
I. Bartussek
• class: mammals
• order: carnivora
• superfamily: musteloidea
• family:
Ailuridae (red panda)Mephitidae (skunks)Mustelidae (weasel family)Procyonidae (small bears) 6 genus, 13 species
Taxonomy
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 4: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/4.jpg)
I. Bartussek
Taxonomy
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 5: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/5.jpg)
I. Bartussek
Taxonomy
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 6: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/6.jpg)
I. Bartussek
Taxonomy
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 7: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/7.jpg)
I. Bartussek
Taxonomy
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 8: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/8.jpg)
Zeichnungen: Priscilla Barret
raccoons 1 genus (Procyon), 3 species
Procyon lotor Procyon cancrivorus Procyon pygmaeus
Taxonomy
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 9: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/9.jpg)
19291954
1941 1962
Geographic range
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 10: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/10.jpg)
Geographic range
1934
1945
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 11: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/11.jpg)
-5000
5000
15000
25000
35000
45000
55000
65000
75000
85000
95000
105000
1930 1940 1950 1960 1970 1980 1990 2000 2010
Erl
eg
te T
iere
pro
Ja
hr
Jagdstreckenentwicklung des Waschbären in Deutschland
1934: first documentedsuccesfull abandonment in north-Hesse (Edersee)
1954: hunting starts in Germany
Hunting bag development in Germany
shot
anim
als
/ y
ear
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
Population development
I. Bartussek
![Page 12: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/12.jpg)
-5000
5000
15000
25000
35000
45000
55000
65000
75000
85000
95000
105000
1930 1940 1950 1960 1970 1980 1990 2000 2010
Erl
eg
te T
iere
pro
Ja
hr
Jagdstreckenentwicklung des Waschbären in Deutschland
1934: first documented succesfull abandonment in north-Hesse (Edersee)
1954: hunting starts in Germany
Hunting bag development in Germany
shot
anim
als
/ y
ear
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
2013/2014 slightly< 100.000
I. Bartussek
Population development
![Page 13: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/13.jpg)
Ecology
I. Bartussek
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 14: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/14.jpg)
Ecology
I. Bartussek
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 15: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/15.jpg)
Ecology
I. Bartussek
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 16: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/16.jpg)
Ecology
I. Bartussek
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
I. Bartussek
![Page 17: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/17.jpg)
Ecology
I. Bartussek
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 18: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/18.jpg)
Current situation
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
I. Bartussek
![Page 19: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/19.jpg)
Current situation
- controversial and highly emotional discussion concerning the impacts of raccoon settlement in Germany
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
I. Bartussek
![Page 20: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/20.jpg)
Current situation
- controversial and highly emotional discussion concerning the impacts of raccoon settlement in Germany
- raccoons are expected to be problematic:
3 levels of impact
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
I. Bartussek
![Page 21: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/21.jpg)
Current situation
I. Bartussek
I. BartussekI. Bartussek
• Economic effects
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 22: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/22.jpg)
Current situation
I. Bartussek
I. Bartussek
• Economic effects
• Hygienic relevance
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 23: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/23.jpg)
Current situation
I. Bartussek
I. BartussekI. Bartussek
• Economic effects
• Hygienic relevance
• Ecological effects
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 24: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/24.jpg)
Research on raccoons in Germany
- raccoons are still among the least investigated carnivores in Europe
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 25: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/25.jpg)
Research on raccoons in Germany
- better founded knowledge is essential in order to evaluate potential impacts
lack of knowledge
- raccoons are still among the least investigated carnivores in Europe
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 26: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/26.jpg)
Research on raccoons in Germany
4 research studies
Society for Wildlife and Nature Conservation (GWN)
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 27: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/27.jpg)
Research on raccoons in Germany
Solling
Bad Karlshafen
Kassel
Müritz-Nationalpark
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 28: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/28.jpg)
„Projekt Waschbär“ – Müritz-Nationalpark
R. Vitt
R. Vitt
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 29: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/29.jpg)
„Projekt Waschbär“ – study area
• Ideal habitat for Central Europe
• highest density ever messured in Europe for a natural habitat until now (6-8 individuals/km²)
R. Vitt
• area under investigation: 60 km²
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 30: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/30.jpg)
„Projekt Waschbär“ – study area
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 31: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/31.jpg)
1. spatial use(home-range sizes, den sites, habitat use, dispersal behaviour)
„Projekt Waschbär“ – topics of research
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 32: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/32.jpg)
1. spatial use(home-range sizes, den sites, habitat use, dispersal behaviour)
2. feeding ecology/parasitology(food spectrum, endoparasite infestation)
„Projekt Waschbär“ – topics of research
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 33: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/33.jpg)
1. spatial use(home-range sizes, den sites, habitat use, dispersal behaviour)
2. feeding ecology/parasitology(food spectrum, endoparasite infestation)
3. social behaviour
(interaction analysis, relationships, ethology of mother families)
„Projekt Waschbär“ – topics of research
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 34: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/34.jpg)
1. spatial use(home-range sizes, den sites, habitat use, dispersal behaviour)
2. feeding ecology/parasitology(food spectrum, endoparasite infestation)
3. social behaviour
(interaction analysis, relationships, ethology of mother families)
4. reproduction biology
(mating- and cubbing season, litter size, parentship, MHC-dependant mate selection)
„Projekt Waschbär“ – topics of research
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 35: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/35.jpg)
1. spatial use(home-range sizes, den sites, habitat use, dispersal behaviour)
2. feeding ecology/parasitology(food spectrum, endoparasite infestation)
3. social behaviour
(interaction analysis, relationships, ethology of mother families)
4. reproduction biology
(mating- and cubbing season, litter size, parentship, MHC-dependant mate selection)
5. population density(capture-mark-recapture, camera traps)
„Projekt Waschbär“ – topics of research
R. Vitt
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 36: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/36.jpg)
1. spatial use(home-range sizes, den sites, habitat use, dispersal behaviour)
2. feeding ecology/parasitology(food spectrum, endoparasite infestation)
3. social behaviour
(interaction analysis, relationships, ethology of mother families)
4. reproduction biology
(mating- and cubbing season, litter size, parentship, MHC-dependant mate selection)
5. population density(capture-mark-recapture, camera traps)
6. population structure(structure of age groups, sex ratio, phenotypic characteristics)
„Projekt Waschbär“ – topics of research
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 37: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/37.jpg)
1. spatial use(home-range sizes, den sites, habitat use, dispersal behaviour)
2. feeding ecology/parasitology(food spectrum, endoparasite infestation)
3. social behaviour
(interaction analysis, relationships, ethology of mother families)
4. reproduction biology
(mating- and cubbing season, litter size, parentship, MHC-dependant mate selection)
5. population density(capture-mark-recapture, camera traps)
6. population structure(structure of age groups, sex ratio, phenotypic characteristics)
7. epidemiology & death investigation(histo-pathologic & serologic tests)
„Projekt Waschbär“ – topics of research
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 38: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/38.jpg)
1. spatial use(home-range sizes, den sites, habitat use, dispersal behaviour)
2. feeding ecology/parasitology(food spectrum, endoparasite infestation)
3. social behaviour
(interaction analysis, relationships, ethology of mother families)
4. reproduction biology
(mating- and cubbing season, litter size, parentship, MHC-dependant mate selection)
5. population density(capture-mark-recapture, camera traps)
6. population structure(structure of age groups, sex ratio, phenotypic characteristics)
7. epidemiology & death investigation(histo-pathologic & serologic tests)
8. landscape genetics
(impacts of spacial movement patterns)
„Projekt Waschbär“ – topics of research
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 39: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/39.jpg)
„Projekt Waschbär“ – fieldwork
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 40: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/40.jpg)
„Projekt Waschbär“ – fieldwork
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 41: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/41.jpg)
„Projekt Waschbär“ – basic methods
VHF- telemetry
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 42: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/42.jpg)
VHF- telemetry
Expanding radio-collars
R. Vitt
„Projekt Waschbär“ – basic methods
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 43: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/43.jpg)
Telemetrie
Eine wildbiologische Forschungsstudie im Müritz-Nationalpark
„Projekt Waschbär“Wallisellen, 1. Juli 2010
Berit Köhnemann
„Projekt Waschbär“ – fieldwork
![Page 44: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/44.jpg)
Camera trapping
„Projekt Waschbär“ – basic methods
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 45: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/45.jpg)
Individual marks
„Projekt Waschbär“ – basic methods
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
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march 2006 – november 2011:
- 489 raccoon captures
145 different individuals
69 fitted with radio-collars (23 ad. ♀; 28 ad. ♂; 18 juveniles)
- 31.193 localizations (12.931 by day, 18.262 at night)
- 24.959 pictures from camera traps (5365 trap nights)
„Projekt Waschbär“ – data basis
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
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• Nearly all animals in the study area under telemetric control
• Accurately defined kinship relations through moleculobiological analyses (highly variable microsatellites)
„Projekt Waschbär“ – data basis
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 48: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/48.jpg)
1. spatial use(home-range sizes, den sites, habitat use, dispersal behaviour)
2. feeding ecology/parasitology(food spectrum, endoparasite infestation)
3. social behaviour
(interaction analysis, relationships, ethology of mother families)
4. reproduction biology
(mating- and cubbing season, litter size, parentship, MHC-dependant mate selection)
5. population density(capture-mark-recapture, camera traps)
6. population structure(structure of age groups, sex ratio, phenotypic characteristics)
7. epidemiology & death investigation(histo-pathologic & serologic tests)
8. landscape genetics
(impacts of spacial movement patterns)
„Projekt Waschbär“ – selected results
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
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- main area of interest: what do the animals live off and doesthis affect indegenious species?
„Projekt Waschbär“
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 50: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/50.jpg)
- Common feeding alalysis are not sufficient for statementsconcerning the local ecological impact of raccoons
Foto: R. Vitt
„Projekt Waschbär“
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 51: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/51.jpg)
- Common feeding alalysis are not sufficient for statementsconcerning the local ecological impact of raccoons
Doctoral thesis: quantifying of data and intersection with local
offer (n=1300 samples from the Müritz-Nationalpark)
Foto: R. Vitt
„Projekt Waschbär“ – doctoral thesis
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 52: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/52.jpg)
B. procyonis identificationFeeding ecology
Feces from latrines
Feces from captured animals
Analysis of food contentConversion
factor
Feeding trials
Parasite eggs
A) Feeding ecology investigation
B) Determination of a raccoon-specific conversion factor based on feeding trials
C) Scat analysis in respect of Baylisascaris procyonis
„Projekt Waschbär“ – doctoral thesis
n=1285 fecal samples
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 53: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/53.jpg)
B. procyonis identificationFeeding ecology
Feces from latrines
Feces from captured animals
Analysis of food contentConversion
factor
Feeding trials
Parasite eggs
A) Feeding ecology investigation
B) Determination of a raccoon-specific conversion factor based on feeding trials
C) Scat analysis in respect of Baylisascaris procyonis
„Projekt Waschbär“ – doctoral thesis
n=1285 fecal samples
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 54: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/54.jpg)
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
„Projekt Waschbär“ – feeding ecology
- First results only relate to the rates of occurrence biomass data remaining (even more informative)
- fecal samples (n=1285) were collected from 90 different latrines between 2006-2011
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n=1285
„Projekt Waschbär“ – feeding ecology
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
34%
22%
44%plants
vertebrates
invertebrates
Müritz National Park
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„Projekt Waschbär“ – feeding ecology
Naturfotografen-forum.de
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
43%
29%
2%0%
26%
insects
molluscs
crayfish
others
earthworms
invertebrates (n = 1232; 44 %)
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„Projekt Waschbär“ – feeding ecology
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
37%
41%
6%
15%
1%
fruit
fruit of trees
nuts
corn
others
plants (n = 961; 34 %)
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„Projekt Waschbär“ – feeding ecology
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
21%
47%1%
19%
12%
0%
birds
amphibians
reptiles
fish
small mammals
others
vertebrates (n = 613; 22 %)
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„Projekt Waschbär“ – feeding ecology
- raccoons are omnivorous and havean opportunistic dietary behaviour
they can easily adapt to the localrange of available food
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 60: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/60.jpg)
„Projekt Waschbär“ – feeding ecology
- raccoons are omnivorous and havean opportunistic dietary behaviour
they can easily adapt to the localrange of available food
- raccoons are very variable in their diet but prefer food within wetland habitats and foodwhich is easily available in large amounts
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 61: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/61.jpg)
B. procyonis identificationFeeding ecology
Feces from latrines
Feces from captured animals
Analysis of food contentConversion
factor
Feeding trials
Parasite eggs
A) Feeding ecology investigation
B) Determination of a raccoon-specific conversion factor basedon feeding trials
C) Scat analysis in respect ofBaylisascaris procyonis
„Projekt Waschbär“ – doctoral thesis
n=1285 fecal samples
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 62: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/62.jpg)
„Projekt Waschbär“ – doctoral thesis
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
Conversion factor: proportion of freshweight of food and the dry weight ofthe faeces
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„Projekt Waschbär“ – doctoral thesis
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
Feeding trials with encounteredanimals
Conversion factor: proportion of freshweight of food and the dry weight ofthe faeces
how much of the food is finally
defecated?
specific value will be a factor in the
calculation of the biomass
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„Projekt Waschbär“ – doctoral thesis
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
Conversion factor: proportion of freshweight of food and the dry weight ofthe faeces
how much of the food is finally
defecated?
specific value will be a factor in the
calculation of the biomass
- 2 periods: summer & autumn – feeding of 15 different components(concurrent with the food in the wild)
Feeding trials with encounteredanimals
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B. procyonis identificationFeeding ecology
Feces from latrines
Feces from captured animals
Analysis of food contentConversion
factor
Feeding trials
Parasite eggs
A) Feeding ecology investigation
B) Determination of a raccoon-specific conversion factor based on feeding trials
C) Scat analysis in respect of Baylisascaris procyonis
„Projekt Waschbär“ – doctoral thesis
n=1285 fecal samples
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 66: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/66.jpg)
39 %2005
0 %1995
Quellen:
• Lux & Priemer 1995
• Gey 1998
• Gunnesch 2004
• Winter 2005
74 %2004
„Projekt Waschbär“ – Baylisascaris procyonis
Microscope image of an infectousBaylisascaris procyonis egg (size 50 µm)
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39 %2005
0 %2014
Quellen:
• Lux & Priemer 1995
• Gey 1998
• Gunnesch 2004
• Winter 2005
74 %2004
„Projekt Waschbär“ – Baylisascaris procyonis
Current investigation from n=400 faeces samles from the Müritz-Nationalpark
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Current situation
I. Bartussek
I. BartussekI. Bartussek
• Economic effects
• Hygienic relevance
• Ecological effects
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
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- no host animal for fox tapeworm
- no carrier of trichina
- does not play a major role in the european epidemiology ofrabies
- no important vector of scabies
- can be a carrier of canine distember viruses
- only known considerable zoonosis: raccoon roundworm
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
Current situation
Epidemiological status in Europe:
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- no host animal for fox tapeworm
- no carrier of trichina
- does not play a major role in the european epidemiology ofrabies
- no important vector of scabies
- can be a carrier of canine distember viruses
- only known considerable zoonosis: raccoon roundworm
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
Current situation
Epidemiological status in Europe:
low estimated epidemiologically risk in Germany
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Current situation
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
no appreciable economiceffects besides occasionallycostly damages to private house and garden
![Page 72: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/72.jpg)
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
- so far no serious predation pressure verifiable
- a threat of autochthonous species is not looming ahead
- local negative effects, especially in suboptimal habitats cannot be ruled out
Current situation
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Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
- so far no serious predation pressure verifiable
- a threat of autochthonous species is not looming ahead
- local negative effects, especially in suboptimal habitats cannot be ruled out
Current situation
all current scientific studiesindicate no serious ecologicalimpact for close to naturehabitat
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- research will be finished at the end of 2015
- currently 4 sub-projects in process
„Projekt Waschbär“ – prospects
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 75: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/75.jpg)
www.projekt-waschbaer.de
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
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Thank you
for your attention
I. Bartussek
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
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Conflict management
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 78: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/78.jpg)
Conflict management (Dealing with raccoons in urban areas)
decrease of basic food resource
F. Michler
F. Michler
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 79: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/79.jpg)
Conflict management (Dealing with raccoons in urban areas)
decrease of basic food resource
Do not feed the animals!
I. Bartussek
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
![Page 80: Raccoons - a new threat to indigenous species? - a new threat to indigenous species? ... Taxonomy Working Group Wildlife Research ... Priscilla Barret](https://reader031.vdocuments.us/reader031/viewer/2022030505/5ab20d677f8b9ac66c8d307f/html5/thumbnails/80.jpg)
Conflict management (Dealing with raccoons in urban areas)
safeguards against the entrance
effective
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
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Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
„Projekt Waschbär“ – fieldwork
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Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler
„Projekt Waschbär“ – fieldwork
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„Projekt Waschbär“ – basic methods
public relations
Working Group Wildlife Research (Tharandt)
Technische Universität Dresden (chair of forest zoology)Mikulov, 5.3.2015
Berit Michler