Forest structure, plants, arthropods, scale, or birds’ functional groups: what key factor are forest birds responding to?

HIGHLIGHTS

• What: The aim of the study is to examine how bird abundance is affected by environmental factors, specifically forest structural parameters (quantified by LiDAR-Light Detection and Bird response to land use management Ranging) and resource availability (arthropods, shrub and herbs), across local and regional scales in Germany. Particularly the authors focus on the role of eco-morphological traits, such as wing size, bill size, and tarsus size, in mediating bird responses to forest management by using Structural Equation Modeling (SEM). Collinearity analysis of the data showed high correlation between the parameters (|r2| > 0.7) and consequently . . .
  

   

  

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