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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Signalling in a mutualistic interaction

Article Abstract:

The interaction between larvae of lycaenid butterfly larvae and ants reveals a flexible and fine-tuned response to rapid variation in conditions which produces a dynamically balanced exchange. The larvae show high rates of droplet delivery and tentacle display at first contact with ants, and after an interruption in attendance, low levels of attendance and a simulated enemy attack. Under steady state conditions, displays occur more often at low levels of attendance. Droplet delivery is maximum at intermediate levels. The larvae tentacle display increases attendance of ants.

Author: Leimar, Olof, Axen, Annkristin H., Hoffman, Veronika
Publisher: Elsevier B.V.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
Behavior, Butterflies, Ants, Mutualism (Biology)

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The geometry of stimulus control

Article Abstract:

'Stimulus selection' in ethology describes research into animals' response to stimuli and links with past experiences or genetic information. This is also called 'stimulus control' by researchers in comparative psychology. A heuristic approach is proposed to explain stimulus selection, using a model with two key elements. The receptor level is selected as the basic stimulus space, and a measure is introduced in this space. The measure uses calculations of overlapping activation patterns to assess similarity between stimuli.

Author: Enquist, Magnus, Ghirlanda, Stefano
Publisher: Elsevier B.V.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1999
Response consistency, Stimulus generalization

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The evolution of cooperation in mobile organisms

Article Abstract:

An experiment exploring the evolution of cooperation in mobile organisms represented by sphecid wasps was conducted using comparative data on the relationship between the species' nest sharing and size of nest aggregation. Results indicate that mobility hampers the development of cooperation since free riders can easily parasitize cooperating members. Search time, as affected by population size and density, positively influence the development of cooperation.

Author: Leimar, Olof, Enquist, Magnus
Publisher: Elsevier B.V.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1993
Wasps, Social behavior in animals, Animal social behavior

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Subjects list: Analysis, Research
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