Seasonal variation in assimilated diets of American beavers

Agriculture & Biology

• Castor canadensis 100%
• aquatic plants 71%
• seasonal variation 55%
• Castoridae 35%
• diet 33%
• vegetation 28%
• summer 25%
• tail 21%
• leaves 17%
• winter 16%
• confidence interval 13%
• stable isotopes 13%
• age structure 13%
• body condition 12%
• national parks 12%
• forage 9%
• carbon 8%
• gender 7%
• nitrogen 7%

Earth & Environmental Sciences

• diet 56%
• seasonal variation 53%
• vegetation 38%
• summer 15%
• body condition 12%
• winter 11%
• aquatic plant 10%
• body mass 10%
• forage 9%
• confidence interval 9%
• national park 8%
• plant species 8%
• stable isotope 7%
• nitrogen 5%
• carbon 5%