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- Title
Patterns of food abundance for breeding waterbirds in the San Luis Valley of Colorado.
- Authors
GAMMONLEY, JAMES H.; LAUBHAN, MURRAY K.
- Abstract
Measures the amount and distribution of macroinvertebrates and seeds in four wetland habitats used by breeding ducks and shorebirds at a wetland complex in the San Luis Valley, Colorado, USA. Density of macroinvertebrates, dry mass, crude protein, and gross energy production among habitats; Impact of dry mass of gastropods in short emergent habitat; Comparison of foraging patterns used by waterbird species, ducks and shorebirds at this wetland complex; Results indicating that estimates of food or nutrient abundance are useful in assessing the functional role of broad habitat types, but factors other than food abundance also influence avian selection of wetland foraging habitats.
- Subjects
SAN Luis Valley (Colo. &; N.M.); INVERTEBRATES; DUCKS; WETLANDS; FORAGING behavior; SURVIVAL behavior (Animals); WATER birds; WATERFOWL
- Publication
Wetlands, 2002, Vol 22, Issue 3, p1
- ISSN
0277-5212
- Publication type
Article
- DOI
10.1672/0277-5212(2002)022[0499:POFAFB]2.0.CO;2