A Comparative Study on Territories of White-Naped Crane and Red-Crowned Crane

Abstract

Abstract: The territories and territrial behavior of White-naped Crane and Red-crowned Crane were studied in Rindian County of Heilongjiang province from March to May in 1986-1988.Eight territories of White-naped crane and six of Red-crowned Crane were investigated.The results show that two species have successtively occupied the same territory for many years.The maximum size of occupied territory by Red-crowned Crane is 4.0 km^-2 with the average of 3.65 km^-2 and by White-naped crane is 10.7 km^-2 with the average of 7 km^-2.During most period of breeding, the size of territories of two species were gradually reduced to less than 1.5 km^-2 until nesting period,The area of territories of White-naped Crane with fixed foraging crop field is smaller than that of the territories without crop field.

Key words: anaerobic ferrous-oxidizing microorganism, habitat, biodiversity, nutritive characteristics, metabolic characteristics.

Li Fangman, Li Peixun. A Comparative Study on Territories of White-Naped Crane and Red-Crowned Crane[J]. cje, 1999, (6): 33-37.

References

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