Body Size Declines despite Positive Directional Selection on Heritable Size Traits in a Barnacle Goose Population.

@article{Larsson1998BodySD,
  title={Body Size Declines despite Positive Directional Selection on Heritable Size Traits in a Barnacle Goose Population.},
  author={Kjell Larsson and Henk P. van der Jeugd and Ineke T van der Veen and P{\"a}r Forslund},
  journal={Evolution; international journal of organic evolution},
  year={1998},
  volume={52 4},
  pages={1169-1184}
}
Analyses of more than 2000 marked barnacle geese (Branta leucopsis) in the largest Baltic colony, Sweden, showed that structurally large females generally produced larger clutches and larger eggs, hatched their broods earlier in the season, and produced more and heavier young than smaller females. In males, the corresponding relationships between reproductive parameters and structural body size were weaker or nonsignificant. Because structural body size traits have previously been found to be… CONTINUE READING