Selection by Brent Geese Branta bernicla for different leaf lengths of Aster tripolium on saltmarsh

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Ron W Summers
Clare Atkins

Abstract

In early winter Brent Geese feeding on lower saltmarsh selected Aster tripolium leaves in the length classes 30-89 mm and especially 40-59 mm; i.e. in the mid-range of available sizes. Small leaves (mean size 25 mm) had proportionately more crude protein and water-soluble carbohydrates than large leaves (113 mm), and a lower ash, water and salt content. Thus, Brent Geese were not selecting the most nutritious leaves though they may have been selecting the mid-range to maximize the rate of intake of nutrients.

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How to Cite
Summers, R. W., & Atkins, C. (1991). Selection by Brent Geese Branta bernicla for different leaf lengths of Aster tripolium on saltmarsh. Wildfowl, 33–36. Retrieved from https://tidsskrift.dk/Wildfowl/article/view/154074
Issue
Wildfowl 42
Section
Standard Papers

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