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TEMPORAL ABUNDANCE PATTERN OF THE WILD RABBIT IN DONANA, SW SPAIN

被引：58
作者：
BELTRAN, JF
机构：
[1] Estación Biológica de Doñana, C.S.L.C., E-41080 Sevilla
来源：
MAMMALIA | 1991年 / 55卷 / 04期
关键词：
D O I：
10.1515/mamm.1991.55.4.591
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
From May 1983 to May 1985, sunset rabbit transect surveys (8.14 km long) were carried out on a weekly basis at Donana Biological Reserve (SW Spain). No changes in relative abundance were observed between years, however rabbit abundance showed abrupt seasonal changes. A bimodal pattern was observed, with maxima in June (mean: 8.34 rabbits/km) and December (3.59 rabbits/km), and the annual minimum in October (1.57 rabbits/km). Rabbit abundance was similar in shrubland (2.63 rabbits/km) and pastures close to marshland (2.28 rabbits/km), and significantly lower in both than in the transitional band between shrubland and pastures (9.08 rabbits/km). Rabbit abundance into the shrubland was significantly different between years, suggesting some intrapopulation movements influenced by environmental factors.
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收藏
页码：591 / 599
页数：9
相关论文
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