Quantifying foodweb interactions with simultaneous linear equations: Stable isotope models of the Truckee River, USA
aquatic food webs,foodweb model,simultaneous linear equations,carbon,stable isotopes,nitrogen stable isotopes,SPATIAL VARIATION,TROPHIC POSITION,ATLANTIC SALMON,WEB STRUCTURE,CARBON FLOW,STREAM,DELTA-N-15,DELTA-C-13,CRAYFISH,PATTERNS