TY - JOUR
AU - Spurr, Stephen H.
AB - 426 Ecology, Vol. 33, No. 3 NOTES AND COMMENT writers appreciate greatly the assistance and REFERENCES criticism of Emerson Kemsies, Curator of Orni­ Errington, Paul L. 1930. The pellet analysis thology, and of William A. Dreyer, Department method of raptor food habits study. Condor of Zoology, at the University of Cincinnati. 32 : 292-296. --. 1932. Food habits of southern Wisconsin SuMMARY raptors. Condor 34: 176-186. 1. Observations of roosting, flight, and feed­ Kirkpatrick, Charles M. and Clinton H. Con­ ing behavior of long-eared owls and saw-whet way. 1947. The winter foods of some owls were made in southwestern Ohio during Indiana owls. Amer. Midi. Nat. 38 (3): the winter of 1949-50. 755-766. 2. Pellet analysis indicates that there is a Lack, David. 1946. Competition for food by marked difference in the percentages of the prey birds of prey. Jour. Animal Ecol. 15: 123- species of the two birds. 3. Observed difference in flight behavior of Tinbergen, Nicholas. 1933. Die Ernahrungs­ the two species seems to be related to the dif­ okologie von Eulen. Ecol. Monogr. 3: 443- ference in foraging behavior. 4. Although the roosting habitats are seem­ Wilson, Kenneth A. 1938. Owl studies at ingly identical, the 
TI - Origin of the Concept of Forest Succession
JF - Ecology
DO - 10.2307/1932839
DA - 1952-07-01
UR - https://www.deepdyve.com/lp/wiley/origin-of-the-concept-of-forest-succession-CCS092NPs1
SP - 426
EP - 427
VL - 33
IS - 3
DP - DeepDyve
ER -