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An efficient survey method for estimating populations of Marsh Tits Poecile palustris, a low-density woodland passerine
被引:3
作者:
Broughton, Richard K.
[1
]
Dadam, Daria
[2
]
Maziarz, Marta
[1
,3
]
Bellamy, Paul E.
[4
]
Hinsley, Shelley A.
[1
]
机构:
[1] Ctr Ecol & Hydrol, Maclean Bldg,Benson Lane, Wallingford OX10 8BB, Oxon, England
[2] British Trust Ornithol, Thetford, England
[3] Polish Acad Sci, Museum & Inst Zool, Warsaw, Poland
[4] RSPB Ctr Conservat Sci, Sandy, Beds, England
来源:
基金:
英国自然环境研究理事会;
关键词:
WILLOW TIT;
BRITAIN;
MONTANUS;
ENGLAND;
DECLINE;
BIRDS;
D O I:
10.1080/00063657.2018.1517243
中图分类号:
Q95 [动物学];
学科分类号:
071002 ;
摘要:
Capsule: A playback survey comprising two visits to woodland in early spring can reliably detect Marsh Tits Poecile palustris and permit reasonable estimation of the number of territories.Aims: To assess the efficacy of an efficient survey method for detecting and estimating populations of Marsh Tits.Methods: Detection probability of colour-marked Marsh Tits, surveyed using playback, was assessed with Cormack-Jolly-Seber models. Reliability of territory estimates was compared between colour-marked and largely or wholly unmarked populations.Results: Playback surveys over two visits in early spring were highly effective in detecting individual Marsh Tits. Territory estimates were similar for woods in years where less than 20% of the population was marked compared to years when a higher proportion of birds were colour-marked, although territories may be underestimated in larger woods with unmarked populations.Conclusion: A playback survey comprising two visits in early spring is recommended as an efficient method of surveying Marsh Tit populations and locating individuals. A survey protocol is suggested.
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页码:299 / 305
页数:7
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