MOVEMENT PATTERNS OF 5 SPECIES OF SMALL MAMMALS IN A BRAZILIAN RESTINGA

被引：38

作者：

GENTILE, R

CERQUEIRA, R

机构：

[1] Departamento de Ecologia, Universidade Federal do Rio de Janeiro, CP 68020, 21941-590, Rio de Janeiro

来源：

JOURNAL OF TROPICAL ECOLOGY | 1995年 / 11卷

关键词：

AGGREGATION; BRAZIL; HOME RANGE; MARK-RECAPTURE; MARSUPIALS; MOVEMENTS; POPULATIONS; RODENTS; SHRUBLAND; SMALL MAMMALS;

D O I：

10.1017/S0266467400009214

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

During the course of a population study of small mammals in a Brazilian coastal shrubland we calculated the movements between successive captures, the residence time, the indices of aggregation and the kinds of movements of the live most common species of small mammal. A capture-mark-recapture study was undertaken over two years, quarterly. Philander opossum, Akodon cursor and Proechimys iheringi presented low mobility, with a high proportion of restricted movements, long residence time and larger coefficients of aggregation. Didelphis aurita and Metachirus nudicaudatus presented higher mobility and exploratory movements, short residence rime and small coefficients of aggregation. The species with lower mobility had permanent populations within our sampling grid, while the species with higher mobility used areas outside the grid, presenting no local populations but occupying portions of regional metapopulations.

引用

页码：671 / 677

页数：7

共 27 条

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