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FRUTICOSE LICHENS AS A FOOD SOURCE FOR A PRIMATE SPECIES,
RHINOPITHECUS ROXELLANA: NUTRITIONAL ANALYSIS
by
Xuecong Liu
A Thesis Presented to the
FACULTY OF THE USC GRADUATE SCHOOL
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
MASTER OF SCIENCE
(BIOSTATISTICS)
May 2012
Copyright 2012 Xuecong Liu
Object Description
| Title | Fruticose lichens as a food source for a primate species, Rhinopithecus roxellana: nutritional analysis |
| Author | Liu, Xuecong |
| Author email | xuecongliu@hotmail.com |
| Degree | Master of Science |
| Document type | Thesis |
| Degree program | Biostatistics |
| School | Keck School of Medicine |
| Date defended/completed | 2012-03-26 |
| Date submitted | 2012-04-30 |
| Date approved | 2012-04-30 |
| Restricted until | 2012-04-30 |
| Date published | 2012-04-30 |
| Advisor (committee chair) | Azen, Stanley P. |
| Advisor (committee member) |
Stanford, Craig B. Wilcox, Rand R. |
| Abstract | Unlike most colobines, the Sichuan snub-nosed monkey (Rhinopithecus roxellana) lives in temperate habitats with strong seasonality and limited plant food availability. R. roxellana mainly relied on year-round available fruticose lichens, an uncommon food source for mammals, supplemented by seasonally available plant food. Fruticose lichens were more easily digestible than plant food. Fruticose lichens contained less feeding deterrents, in particular crude fibers and condensed tannins, than all plant parts. Fruticose lichens also contained more nonstructural carbohydrates than plant leaves. In addition, energy content in fruticose lichens was equivalent to that in some food plant parts. ❧ Fruticose lichens contained less crude proteins than most plant parts. It is unknown how R. roxellana physiologically adapts to the low-protein diet. Lichens produce a range of metabolites that are unique compared to vascular plants. These metabolites have various biological actions (e.g. antibiotic and antiviral), and it is unclear whether R. roxellana eats lichens only for nutrients, or also as a mechanism of self-medication. |
| Keyword | fruticose lichens; Rhinopithecus roxellana; nutritional analysis |
| Language | English |
| Part of collection | University of Southern California dissertations and theses |
| Publisher (of the original version) | University of Southern California |
| Place of publication (of the original version) | Los Angeles, California |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Provenance | Electronically uploaded by the author |
| Type | texts |
| Legacy record ID | usctheses-m |
| Rights | Liu, Xuecong |
| Access conditions | The author retains rights to his/her dissertation, thesis or other graduate work according to U.S. copyright law. Electronic access is being provided by the USC Libraries in agreement with the author, as the original true and official version of the work, but does not grant the reader permission to use the work if the desired use is covered by copyright. It is the author, as rights holder, who must provide use permission if such use is covered by copyright. The original signature page accompanying the original submission of the work to the USC Libraries is retained by the USC Libraries and a copy of it may be obtained by authorized requesters contacting the repository e-mail address given. |
| Repository name | University of Southern California Digital Library |
| Repository address | USC Digital Library, University of Southern California, University Park Campus MC 7002, 106 University Village, Los Angeles, California 90089-7002, USA |
| Repository email | cisadmin@usc.edu |
| Archival file | uscthesesreloadpub_Volume4/etd-LiuXuecong-682.pdf |
Description
| Title | Page 1 |
| Full text | FRUTICOSE LICHENS AS A FOOD SOURCE FOR A PRIMATE SPECIES, RHINOPITHECUS ROXELLANA: NUTRITIONAL ANALYSIS by Xuecong Liu A Thesis Presented to the FACULTY OF THE USC GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree MASTER OF SCIENCE (BIOSTATISTICS) May 2012 Copyright 2012 Xuecong Liu |
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