Seasonal rainfall in Daphne Major

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Presentation transcript:

Seasonal rainfall in Daphne Major Rainfall (mm) Seasons What is this graph showing you? _______________________________________ _______________________________________ ________________________________________ _______________________________________ 9.2mm

Distribution of beak depth for finches born in 1976 and 1978 Beak depth average=9.2mm 9.2mm Born in 1976 Number of Finches What is this graph showing you? __________________________________ __________________________________ __________________________________ 9.7mm Born in 1978 1978 Beak depth average=9.7mm

Beak depth of parents and their offspring Average beak depth in 1978 + Average beak depth of their offspring (mm) Average beak depth in 1976 + What is this graph showing you? __________________________________ __________________________________ __________________________________ Average beak depth of both parents (mm)

Seed size chosen by finches of different beak depths (1976) Number of finches What is this graph showing you? _______________________________________ _______________________________________ ________________________________________ _______________________________________ Beak depth (mm)

Distribution of beak depth of finches born in 1976 Number of finches What is this graph showing you? _______________________________________ _______________________________________ ________________________________________ _______________________________________ Beak depth (mm)

Population size of finches between 1975 -1978 What is this graph showing you? _______________________________________ _______________________________________ ________________________________________ _______________________________________ Number of finches

Total seed biomass available for finches to eat 1976-78 What is this graph showing you? _______________________________________ _______________________________________ ________________________________________ _______________________________________ Total available seed biomass

Average size and hardness of available seeds 1975-78 What is this graph showing you? _____________________________ _____________________________ _____________________________ Seed size and hardness index