共 15 条
[1]
BEAL REL, 1918, USDA, V619
[5]
ASSESSING AVIAN DIETS USING STABLE ISOTOPES .2. FACTORS INFLUENCING DIET-TISSUE FRACTIONATION
[J].
CONDOR,
1992, 94 (01)
:189-197
[6]
Kohzu A, 2005, ECOL CIVIL ENG, V7, P201
[8]
CARBON ISOTOPE RATIO OF FEATHERS REVEALS FEEDING-BEHAVIOR OF CORMORANTS
[J].
AUK,
1990, 107 (02)
:400-403