DIET SELECTION BY VERTEBRATE HERBIVORES IN THE HIGH ARCTIC OF GREENLAND

被引：0
|
作者：
KLEIN, DR [1 ]
BAY, C [1 ]
机构：
[1] UNIV COPENHAGEN, BOT MUSEUM, DK-1123 COPENHAGEN, DENMARK
来源：
HOLARCTIC ECOLOGY | 1991年 / 14卷 / 02期
关键词：
D O I：
暂无
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
Microhistological analysis of fecal droppings indicates that graminoids (sedges, grasses, and rushes) and the only willow present, Salix arctica, are primary food items of the muskox Ovibos moschatus, arctic hare Lepus arcticus, and collared lemming Dicrostonyx groenlandicus in northern Greenland (79-degrees-83-degrees-N). Plant biomass available during the peak growing season varied with vegetation types from < 2 g m-2 in polar barrens to 34 g m-2 in sedge fens. The clustered distribution of vegetation minimizes competition among vertebrate herbivores.
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页码：152 / 155
页数：4
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