共 61 条
[41]
REES J, 1977, J SCOTT ASS GEOGR TE, P8
[43]
REICHHOLF J, 1970, Vogelwelt, V91, P68
[44]
ROBSON TO, 1978, ECOLOGICAL EFFECTS P, P111
[45]
SATCHELL JE, 1976, EFFECTS RECREATION E
[46]
SCORGIE HRA, B ENV CONTAM TOXICOL
[47]
SCORGIE HRA, 1978, EFFECTS AQUATIC HERB
[48]
SPEIGHT MCD, 1973, 4 U COLL LOND DISC P
[49]
STEWART R, 1968, CONSERVATIONIST, V22, P6
[50]
STREETER D. T., 1971, The scientific management of animal and plant communities for conservation. The 11th Symposium of the British Ecological Society, University of East Anglia, Norwich, 7-9 July, 1970., P459