Titlebook: Statistics in Ornithology; Byron J. T. Morgan,Philip M. North Conference proceedings 1985 Springer-Verlag Berlin Heidelberg 1985 Likelihoo

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J. Clobert,J. D. Lebreton,M. Clobert-Gillet,H. Coquillart

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Neutropenia

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Migration Counts and Local Weather at British Bird Observatories — An Examination By Linear Discrimid local weather conditions. Discriminant analysis is seen to be a useful tool for this purpose since it offers straightforward interpretations of results, and it is based on assumptions that appear to be upheld by the data..The particular type of migration data that are considered in this paper are

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Statistical Problems in the Study of Seed-Eating Birdsullfinches eating sunflower seeds showed that handling times for larger seeds may be greater or smaller, depending on experimental context, and on which dimension of seed size is measured. There was very little variability of kernel weight among seeds of a given size, but handling times were highly

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Multivariate Analysis of Atlas Data useful pictorial summaries of such data, and cluster analysis allows species to be grouped by habitat. Although only breeding data are considered here, the methods may be applied for example to presence/absence data recorded in winter.

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A Test for Seasonal Occurence an area in particular seasons of the year, but totally absent from that area in the other seasons. There is no need for formal statistical analysis to quantify this. However, in cases where some birds migrate while others remain resident, a formal test for seasonal occurrence may be required..A sui

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Analyses of Nest Spacingsaps have been summarised, in particular the problems of extracting simple summaries which can be related to habitat measurements. This is a difficult problem in spatial statistics, compounded by the patchy nature of most habitats.

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An Assessment of Species-Area Relationships Using Ornithological Datadlands, islands, other habitats) fit the most frequently used model S = CA. where S is the number of species, A is the area, and C and z are positive constants..An analysis of British Trust for Ornithology data for 30 woodlands over five years show no significant year to year variation in the specie

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