[1].Geographic Variation in Clutch and Egg Size for the Lizard Phrynocephalus przewalskii (Squamata: Agamidae)[J].Asian Herpetological Research,2011,2(2):97-102.[doi:10.3724/SP.J.1245.2011.00097]
 Yajuan WANG,Weihong JI,Wei ZHAO,et al.Geographic Variation in Clutch and Egg Size for the Lizard Phrynocephalus przewalskii (Squamata: Agamidae)[J].Asian Herpetological Research(AHR),2011,2(2):97-102.[doi:10.3724/SP.J.1245.2011.00097]
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Geographic Variation in Clutch and Egg Size for the Lizard Phrynocephalus przewalskii (Squamata: Agamidae)()
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Asian Herpetological Research[ISSN:2095-0357/CN:51-1735/Q]

卷:
2
期数:
2011年2期
页码:
97-102
栏目:
Original Article
出版日期:
2011-06-15

文章信息/Info

Title:
Geographic Variation in Clutch and Egg Size for the Lizard Phrynocephalus przewalskii (Squamata: Agamidae)
文章编号:
AHR-2010-032
Author(s):
Yajuan WANG1 Weihong JI2 Wei ZHAO1 Nannan YU1 and Naifa LIU1*
1 School of Life Sciences, Lanzhou University, Lanzhou 730000, Gansu, China
2 Institute of Natural Sciences, Massey University, Private Bag 102904, North Shore Mail Centre, Auckland 0745, New Zealand
Keywords:
Phrynocephalus przewalskii reproductive parameter geographic variation egg size clutch size
DOI:
10.3724/SP.J.1245.2011.00097
Abstract:
In order to tease apart proximate vs. ultimate sources of variation in reproductive strategy, studies have increasingly focused on populations rather than species as the unit of interest. The reproductive parameters of Phrynocephalus przewalskii (Agamidae) in different populations within the same phylogenetic clade were compared in this study. Female SVL, clutch size, egg volume and clutch volume varied significantly among populations. With increase in latitude, clutch size increased, while egg size decreased. Relatively fewer but larger eggs were produced with increasing of population density. Food availability had positive effects on clutch size, but no effect on egg size. Our result indicated that latitude, food availability and population density may be the proximate factors affecting the reproductive parameters of P. przewalskii.

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更新日期/Last Update: 2016-03-15