Contact

 

Department Head: 

Prof. Dr. Alexandra-Maria Klein
phone:+49 (0)761 203-67770

alexandra.kleinatnature.uni-freiburg.de

 


Office: 

Mrs. Ilona Winkler
phone:+49 (0)761 203-3635
fax:+49 (0)761 203-3638

ilona.winkleratnature.uni-freiburg.de


Address:

Chair of Nature Conservation
& Landscape Ecology
University of Freiburg
Tennenbacher Str. 4
D-79106 Freiburg

 

 

 

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Sex determination and biomass allocation in response to habitat quality

Sex determination and biomass allocation

in response to habitat quality
  

 
Standorte_KW

Team:

Dr. Michael Staab

PhD student Katharina Wittmann

Project duration:

January  2020 -  December 2021

Funding:

Elite program - Baden-Württemberg Foundation


Changes in habitat influence species diversity and population structure within individual species groups as well. A classical theory of evolutionary biology forecasts that within a species population, the gender relationships between females are males are balanced. Yet gender relationships nevertheless are dependent on the availability of resources which is directly related to the quality of the habitat. Therefore, in insect populations in poor quality habitats, the number of males rises, which can, among other things, influence the population’s potential for survival. There will be used nesting aids for solitary bees and wasps in order to test if habitat quality has an influence on resource distribution and gender relationships. The project will in this way test a plausible mechanism that might be behind the clear drop in the insect population.

 

 

 

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