THE BREEDING PHENOLOGY AND BREEDING SUCCESS OF GREY HERON (ARDEA CINEREA)IN SIAHKESHIM PROTECTED AREA,GUILAN PROVINCE

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ASHOURI A.

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Paper Information

Journal: JOURNAL OF BIOLOGY SCIENCE Year:2011 | Volume:5 | Issue:3 (SERIES NO. 18) Page(s): 97-108

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Title

THE BREEDING PHENOLOGY AND BREEDING SUCCESS OF GREY HERON (ARDEA CINEREA)IN SIAHKESHIM PROTECTED AREA,GUILAN PROVINCE

Author(s)

ASHOURI A. | Issue Writer Certificate

Keywords

GREY HERONQ2

BREEDING SUCCESSQ2

BREEDING PHENOLOGYQ2

DAILY SURVIVAL RATEQ2

SIAHKESHIMQ2

Abstract

GREY HERON (Ardea cinerea) is one of the biodiversity indicator species of wetlands and its important roles in aquatic ecosystems is been recognized. This species breeds in SIAHKESHIM protected area in edge of Bahambar River on the willow trees, yearly. In this study the BREEDING SUCCESS,, Phenology Breeding and the daily survivorship rate this species in Siakeshim protected area of Anzali wetland was been studied during from February to June 2008. The average number of eggs (91 eggs) was 4.33+0.68, whereas the average number of hatched eggs and the average number of chicks that arrived to flying age were 80.2% and 78.02%, respectively. 3.38 chicks in average arrived to flying age per each nest in this region. the Mayfield’s daily survivorship rate (in 95% confidence limits) in stages of before the eggs hatchling, nesting and post-nestling was 0.971, 0,993 and 1, respectively. Also, this daily survivorship rate has the same trend with the maximum likelihood, and represents that this rate increase of eggs hatchling to post-nestling stages. In general, the results represents that SIAHKESHIM protected area more suitable situation for breeding of GREY HERON, in compare with studied colonies of other regions. But the effective management acts for conservation and rehabilitation of colonies must be performed.

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APA: Copy

ASHOURI, A.. (2011). THE BREEDING PHENOLOGY AND BREEDING SUCCESS OF GREY HERON (ARDEA CINEREA)IN SIAHKESHIM PROTECTED AREA,GUILAN PROVINCE. JOURNAL OF BIOLOGY SCIENCE, 5(3 (SERIES NO. 18)), 97-108. SID. https://sid.ir/paper/164220/en

Vancouver: Copy

ASHOURI A.. THE BREEDING PHENOLOGY AND BREEDING SUCCESS OF GREY HERON (ARDEA CINEREA)IN SIAHKESHIM PROTECTED AREA,GUILAN PROVINCE. JOURNAL OF BIOLOGY SCIENCE[Internet]. 2011;5(3 (SERIES NO. 18)):97-108. Available from: https://sid.ir/paper/164220/en

IEEE: Copy

A. ASHOURI, “THE BREEDING PHENOLOGY AND BREEDING SUCCESS OF GREY HERON (ARDEA CINEREA)IN SIAHKESHIM PROTECTED AREA,GUILAN PROVINCE,” JOURNAL OF BIOLOGY SCIENCE, vol. 5, no. 3 (SERIES NO. 18), pp. 97–108, 2011, [Online]. Available: https://sid.ir/paper/164220/en

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