Status of the hazel grouse in Hokkaido, Japan in 1923-93
1995
Fujimaki, Y. (Obihiro Univ. of Agriculture and Veterinary Medicine, Hokkaido (Japan))
Hazel Grouse were formerly numerous and widely distributed in Hokkaido, Japan, but there has been a big decrease since the 1970s, associated with an increase in red foxes. In 1987-93, sample counts showed Hazel Grouse in 40-60% of natural forests but not in larch plantations. In these natural forests, densities of Hazel Grouse were c. 0.5 - 0.8 birds/2 km transect in sample areas
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Библиографическая информация
Издатель
Istituto Nazionale per la Fauna Selvatica
Другие темы
Foret melangee; Distribucion de la poblacion; Espece; Bosque mixto; Analisis estadistico; Analyse de donnees; Tetras; Analisis de datos
Язык
Английский
Примечание
Summary (En)
3 tables; 3 graphs
ISBN Международный стандартный книжный номер
0-906864-10-0
Тип
Conference; Numerical Data; Summary; Non-Conventional
Источник
Proceedings of the 6. International grouse symposium, Jenkins, D. (ed.).- Ozzano dell'Emilia (Italy): Istituto Nazionale per la Fauna Selvatica, May 1995.- ISBN 0-906864-10-0. p. 168-169
Конференция
6. International grouse symposium, Udine (Italy), 20-24 Sep 1993
1996-08-15
AGRIS AP
Поставщик данных
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