Stable carbon isotope analysis of eland (Taurotraaus oryx) diet in the Suikerbosrand Nature Reserve

被引：7

作者：

Wallington, Brett P. ^{[1
,2
]}

McKechnie, Andrew E. ^{[1
]}

Owen-Smith, Norman ^{[1
,2
]}

Woodborne, Stephan ^{[3
]}

机构：

[1] Univ Witwatersrand, Sch Anim Plant & Environm Sci, ZA-2050 Johannesburg, South Africa

[2] Univ Witwatersrand, Ctr African Ecol, ZA-2050 Johannesburg, South Africa

[3] CSIR, Nat Resources & Environm, ZA-0001 Pretoria, South Africa

来源：

SOUTH AFRICAN JOURNAL OF WILDLIFE RESEARCH | 2007年 / 37卷 / 02期

关键词：

browsing; dietary reconstruction; grazing; photosynthetic pathway;

D O I：

10.3957/0379-4369-37.2.127

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

We analysed faecal stable carbon isotope ratios in eland (Taurotragus oryx) in the Suikerbosrand Nature Reserve, Gauteng, South Africa, in order to determine the relative contributions of browsing and grazing to their diet. Plants with C-3 photosynthetic pathways comprised 95% of eland diet in March (late wet season) and June (early dry season), indicating almost exclusive browsing during both these periods. Our results are qualitatively similar to several other studies of eland diet in savanna and semi-arid habitats in South Africa. Observations of eland feeding behaviour suggested that the small non-C-3 diet component may not necessarily reflect grazing, but rather feeding on Aloe marlothii.

引用

页码：127 / 131

页数：5

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