检索结果-南通市图书馆

Observations on the Spermatogenic Cycle of the Grass Snake,Natrix natrix (Serpentes:Colubridae) in Northern Iran

Asian Herpetological Research 2011年第1期2卷 55-59页

作者： Afshin FAGHIRI Abdolhossein SHIRAVI Vida HOJATI haji gholi kami Department of Biology Islamic Azad UniversityDamghan BranchDamghanIran Department of Biology Faculty of ScienceGolestan UniversityGorganIran

The Grass Snake, Natrix natrix, is one of the non-venomous oviparous snakes of the family Colubridae, found in Mazandaran, a northern province of Iran. In order to study the spermatogenic cycle of this species in the area, sampling was done from April to November, and twenty-six male snakes were collected by hand during daylight hours. Testes were extracted from the specimens, and were fixed and prepared for histological examination. The results indicated that the spermatogenesis started in early June, November. The mean body length of the specimens was reached its height in August and September, and ended in measured 636.21 mm, and the mean volume of testes was 524.54 rnm3 and 569.06 mm3 for the right and left ones, respectively, and the mean weight of the testes was 0.051 g Spermatogenesis in this species is aestival and sperms are stored for use in the year following production.

关键词： spermatogenesis Grass snake Natrix natrix northern Iran

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

New Karyological and Morphometric Data on Poorly Known Bufo surdus and Bufo luristanicus in Comparison with Data of Diploid Green Toads of the Bufo viridis Complex from South of Iran

引用

Asian Herpetological Research 2014年第3期5卷 168-178页

作者： Fatemeh FAKHARZAEH Jamshid DARVISH haji gholi kami Fereshteh GHASEMZADEH Eskandar RASTEGAR-POUYANI Department of Biology Faculty of Sciences Ferdowsi University of Mashhad Department of Biology Faculty of Sciences Shahid Chamran University of Ahvaz Department of Biology Faculty of Sciences Golestan University Department of Biology Faculty of Sciences Hakim Sabzevari university

Previous studies on the Bufo viridis complex, which is distributed broadly across Iran, are incomplete and restricted to a few regions or a few samples. In this paper a new detailed study on the B. viridis complex in southern of Iran （from West to East） is presented. The analysis of 18 morphometric characters with univariate and multivariate methods reveals significant differences between three members of the B. viridis complex namely B. variabilis, B. luristanicus, and B. surdus distributed in southern part of Iran. Our result help to resolve an old taxonomic problem about B. surdus subgroup （taxa closely related to B. surdus） confirming that B. luristanicus and B. surdus are distinct species. Moreover, for the first time we report and describe karyotype details of B. luristanicus and B. surdus which confirmed that they are diploid. Karyological studies demonstrate that all toads from three mentioned species have 2n = 22 chromosomes. These chromosomes are arranged into two groups. First group has six large chromosomes and the second group is composed of five small chromosomes. These chromosomes are metacentric or submetacentric. The number of submetacentric chromosomes is different in three mentioned species of B. viridis complex. Neither sexual heteromorphism, nor secondary constriction was observed in any pairs of chromosomes.

关键词： Bufo viridis complex taxonomy Bufo surdus Bufo luristanicus Bufo variabilis karyotype morphometry,Iran

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

first records of tropiocolotes steudneri peters, 1869 and hemidactylus flaviviridis riippell, 1840 (sauria: gekkonidae)from fars province, iran

引用

Asian Herpetological Research 2010年第1期1卷 61-63页

作者： Ali Gholamifard Ali Gholamhosseini Nasrullah Rastegar-Pouyani Hamid Reza Esmaeili haji-gholi kami department of biology college of sciences shiraz university shiraz 71454 iran department of biology faculty of sciences razi university kermanshah 671491ran department of biology faculty of sciences golestan university gorgan 336 iran

Steudner’s dwarf gecko,Tropiocolotes steudneri(Peters,1869) and the yellow-bellied house gecko,Hemidactylus flaviviridis Rüppell,1840 were recorded for the first time from Fars Province in southern *** a herpetofaunal survey in November 2006,a single subadult specimen of *** was collected from Deh Kohneh in southwestern *** November 2007 and May 2008,two specimens of *** were collected from Ghaleh Seied in western Fars,*** collection locations of the two new records are well outside the known distribution ranges of the two species in Iran.

关键词： lizard new record distribution Iranian Plateau gecko

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：