75483
Beschreibung
Mindmap von arashi0712, aktualisiert more than 1 year ago
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Erstellt von arashi0712
vor fast 11 Jahre
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Savannah Elephant
- matrilines - semi permanent, aggression mediated dominance
- power=age/size related
- female kin coop
- allomothering
- alliances
- calf care
- no of adults determines
protection effectiveness
- association between no of allo
mothers and calf survivorship
- association between no of allo
mothers and calf survivorship
- no of adults determines
protection effectiveness
- alliances
- allomothering
- female kin coop
- power=age/size related
- McComb et al 2001
- discriminating knowledge better in matriarches?
- bunching response to calls decreased with age
- older may have a larger social network
- alot more reactive to unfamiliar calls - individ recognition
- Bates et al 2007
- found that females recognise 17 females
and up to 30 family members
- found that females recognise 17 females
and up to 30 family members
- McComb et al 2001
- showed that adult females must be familiar at least
with up to 100 auditory calls
- playback family and strangers
- playback family and strangers
- showed that adult females must be familiar at least
with up to 100 auditory calls
- Bates et al 2007
- alot more reactive to unfamiliar calls - individ recognition
- older may have a larger social network
- bunching response to calls decreased with age
- discriminating knowledge better in matriarches?
- Cognitive maps
- desert elephants move over long
distances for food and water
- travel 60km between water holes
- elephants in north/south deserts travel
hundreds kilometers to reach a water
source shortly after the onset of rain
- sometimes travelling along routes not used for a while
- reliant on longterm memory of elephants
that had travelled that way decades before
- Foley, pettorelli and foley 2008
- showed that older matriarch groups better able to survive a drought
- drawing on knowldge of where long term drought
resistant water sources are
- drawing on knowldge of where long term drought
resistant water sources are
- showed that older matriarch groups better able to survive a drought
- Foley, pettorelli and foley 2008
- reliant on longterm memory of elephants
that had travelled that way decades before
- sometimes travelling along routes not used for a while
- elephants in north/south deserts travel
hundreds kilometers to reach a water
source shortly after the onset of rain
- travel 60km between water holes
- desert elephants move over long
distances for food and water
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