共 37 条
[21]
NYBERG P, 1979, REP I FRESHWATER RES, V58, P140
[26]
PERSSON L, 1987, OIKOS, P148
[27]
RASK M, 1986, ANN ZOOL FENN, V23, P49
[28]
ROSEBERY DA, 1951, T AM FISH SOC, V80, P194, DOI DOI 10.1577/1548-8659(1950)80[194:FMOCLA]2.0.CO
[29]
2
[30]
SCHAEFER WF, 1977, ARTS LETT, V65, P204