Asiatic herpetological research

Asiatic Herpetological Research Society

Sujets

• Reptiles
• Amphibian

Informations

• Publié par: les_archives_du_savoir
• Nombre de lectures: 12
• Langue: English
• Poids de l'ouvrage: 11 Mo

Extrait

t
HARVARD UNIVERSITY
Ernst Mayr Library
of the Museum of
Comparative ZoologyMCZ
LIBRARY•Volume 9 2001
2002JUL. 2 jj
HARVARD
UNIVERSITY.I imi Zhao
Academia ChinaInstitute of Sinica, Sichuan.Chengdu Biology. Chengdu.
Associate Editors
Ki ll.ii Autumn Theodore J. Papenfuss
USA Museum of Vertebrate of California.Lewis & Clark Portland.College, Oregon. Zoology. University
California. USABerkeley.
Robert Ford ParhamJ. JamesMacey
St. Louis. Museum of ofof California.Department Biology. Washington University. Paleontology. University
USA California. USAMissouri. Berkeley.
Editorial Board
Adler JiKraig Xiang
Normal ChinaCornell Ithaca. New York. USAUniversity. Hangzhou College. Hangzhou. Zhejiang,
LiNatalia B. Ananjeva Pi-peng
Russia Yantai Normal Yantai. ChinaInstitute, Si.Zoological Petersburg. College, Shandong.
Ronald MarlowSteven C. Anderson
of the USA of Nevada. Las Nevada. USAPacific. Stockton. California.University University Vegas.
Aaron Bauer Robert W. Murphy
(Villanova Villanova. USA )ntario Museum. Toronto. Ontario. CanadaUniversity. Pennsylvania. Royal
Bell Giiren NiLsonChristopher
of Texas. Austin. Texas. USA ol SwedenGoteborg. Goteborg.University University
Leo Borkin Nikolai Orlov
St. Russia Institute, St RussiaInstitute, Petersburg,Zoological Petersburg. Zoological
Bihui Chen Hidetoshi Ota
Anhui Normal Anhui. China of of the Nishihara,Wuhu. Biology, University Ryukyus.University, Department
Okinawa. Japan
I Soheila Shafii.|iiiiiii Cheng
Institute of Marine National Taiwan Ocean of Shahid Bahonar. Kerman. IranUniversity. UniversityBiology.
Taiwan. ChinaKeelung,
Hai-tao ShiIlya Darevsky
Haikou. Hainan. ChinaInstitute. St. Russia Hainan Normal University.Zoological Petersburg.
Indraneil Das \iu-ling Wang
Normal ChinaMadras Crocodile Bank, Vadanemmeli Perur. Madras. India Xinjiang University. Urumqi. Xinjiang.
William K. Duellman Yue-zhao Wang
of Academiaof Kansas. Lawrence. Kansas. USA Institute Sinica.University Chengdu Biology. Chengdu.
Sichuan. China
WernerFukada YehudahHajime
Hebrew Jerusalem. IsraelSannaicho.Sennyuji Higashiyamaku. Kyoto. Japan University,
ZhaoCarl Gans Ken-tang
Su/hou Teacher's Suzhou. Chinaof Ann Arbor. USAUniversity Michigan. Michigan. Railway College, Jiangsu.
Robert F. Inger
Field Museum. Illinois, USAChicago,
ChineseAsiatic Research is the Asiatic Research (AHRS) and theHerpetological published by Herpetological Society
for the of and at the Museum of Vertebrate of California.(CSSAR) Zoology. UniversitySociety Study Amphibians Reptiles
Alleditors authors from all countries to submit articles but not limited to AsianThe herpetology.encourage concerning
outside ofChina and for should be sent to AHR. Museum of Vertebrate Zoology.correspondence requests subscription
Allof USA 94720. or email toCalifornia. California.University Berkeley. by [e-mail].
within China should be sent to Ermi Zhao. Editor. Institute of P.O. Box 416, Chengdu. Chengdu Biology.
at the end thisSichuan China. Authors should consult Guidelines and Submission ofProvince. for Manuscript Preparation
USA and China, addissue. and are $25 ($45 for libraries). outside of the pleaseSubscription membership per year Postage
in US to AHRS. Ifissue for surface mail or issue for air mail. Make checks or orders$5 $10 payable currencyper per money
do not have access to US us. and we will make other arrangements.you currency, please notify
Vol. 49 Volume 8 in Vol. 7 Vol. 6 (1995). Vol. 5 (1993).Asiatic Research Volume succeeds 1999). (1997).Herpetological (published
1Research Vol which was at the Museum of Vertebrate 1988- 989
( 1992). Vol. 3 (1990). and Chinese 2, Zoology.Herpetological published
Researchfor Chinese for the of and Volume 2 succeeded Chineseas the the Herpetologicaljournal Society Study Amphibians Reptiles.
the Branch Scientific and Literature Press.1987. for the Institute of Technological Chongqing,published Chengdu Biology by Chongqing
in 1988.Sichuan. China Acta Sinica ceased June.Herpetologica publication
Cover: Turtles of left: 6/16/00. Tesnuio anamurensis. Anamurium. Anamur,graecaTurkey. Upper Trionyx triunguis. Dalyan. Upper right:
Anamur. 6/10/00. orbicularis. Lower Mamure Kalesi. Anamur.6/1 1/00. Lower left: rivulataMamure Kalesi. right:Mauremys caspica Emys
6/10/00. All Van Leuvan-Smith.photographs by Tonya2001 Asiatic Research 1-5Herpetological Vol.9, pp.
The of RanaReproductive Biology boulengeri
Wen-Jian Li
Economic Teachers 415000 ChinaLaboratory of Hunan,Frogs, Changde College, Changde,
Abstract.- Maturation ofRana Giinther occurs at the of 24 to 36 months. After theboulengeri age reproduction
are in an intermittent Gonads to from next to After thegonads period. begin develop rapidly February April. May,
mature in batches. In the the adult often underwild, waterfalls or in shallowovocytes grow frogs spawn pools
where the water flows with dissolved The lasts from toslowly, high oxygen. reproductive period May August.
The ovulation time of females and fertilization time are from 5:00 a.m. to 8:00 a.m. The Watergenerally
for at the is 15.5°C and the for most istemperature deposition beginning appropriate temperature deposition
17.7-22.5°C. The total duration under artificial constant of 23±0.5°C lasts 261 hours. Thetemperature
for is 22-24°C. This can not below and it4°C, dies at 30°C.appropriate temperature development species develop
The of the is divided into 6 and the of the testis is divided into 5development ovary stages development stages.
The and studies at different of sex cells are described.morphological histological stages
words.- Rana ChinaKey Amphibia, boulengeri, reproductive biology,
sea the 75 meters above sea TheIntroduction level; lowest, level).
mountains are covered with broad-leaf sub-evergreen
Rana is a that is found in theboulengeri large frog
forest. The mean air for a wholetropical temperatures
Mountains of Hunan Province. It is anWuling impor-
are 16.10 The summa-year degree-days. temperature
tant for the balance ofspecies maintaining ecological
tion above 10°C is the mean sun hours50320; per
the and it(Yuan Wen, Besides, can beregion 1990).
are 1292. frostless is 270.6 the7h;year period days;
used as a kind ofmedicine et Inal., order to(Li 1993).
mean rainfall is the mean humid-1397.2mm;per year
this natural these studies onresource, itshelp protect
is above 82% These conditions(R.H).ity per year
have been carried out.reproductive biology
constitute an ideal environment for Rana boulengeri.
Rana live in brooks orboulengeri frequentlyMaterial and Methods
in mountain forests where there are fewponds people.
The inwater the brooks or is clear.ponds very Duringand artificialLaboratory experiment breeding
the R. often hide at the of smallday, boulengeri edge
The studies on the natural condition of habitat, growth
caves and the out to feed. Fromduring night, they go
and characteristics of theages, reproduction, develop-
to of the factors in 35July 1987,September physicalment of and of thegenital gland development embryo
observation were measured. Their values are:points
of Rana was conducted for fourboulengeri years
the elevation of the habitat is 204-675 meters above
from 1989 to 1993.
sea airlevel; watertemperature 17.2-24°C; tempera-
ture the of water 0.2-1.014.9-20.5°C; depth meters;Field investigation
the of water 0.2-1.0 thetransparency m; humidity
The field sites chosen for wereinvestigation places 92.0-97.5%.
where Rana are common. Field observa-boulengeri
Activities ofRana and oftions were made two or three times boulengeri temperaturesa month.
habitat. Because the air and water tem-temperature
roles in the andperature play important developmentResults and Discussion
of R. we observed their relation-growth boulengeri;
in a cave above sea In(450m level). autumn,Habitat ship
when the water fall lower than 12.5°C, R.temperature
Natural habitat ofRana The Xiboulengeri. Xiang hibernation. In when waterboulengeri begins spring,
mountains are a of the Mountains, whichpart Wuling
is above start to and12.5°C, feed,temperature they
are located on the border of SichuanHunan, Hubei, when water is than 15.5°C,temperature higher they
and Guizhou; between north Latitude 27°44'- 29°48'
enter the The airreproductive period. temperatures
and east 109°10'-1 with a mean ele-H"20';longitude and water in all months are listed intemperatures
vation of 686 meters 1900 meters above(the highest, Table 1.Vol. 2 Asiatic Research9, 2001p. Herpetological
Table 1 . Air and water of the habitat oftemperatures
Plana above sea(450mboulengen level).
Mean air Mean water
Month
temperature temperature
12001 Asiatic Research Vol. 9, 3Herpetological p.
Late 4. cells filled withstage WhenOvocyte yolk:
have BW of 79.7-125.8 and BL of 87.3-98.0frogs g
the ovum cellsmm, are filled with and thefully yolk
nuclei are isolated in the middle of the cells. The two
of follicle cells and zona are welllayers pellucida
>
o marked.
7•B
5. of nucleus of WhenBW areStage Slanting oocyte:
86.3-161.5 and BL are9? 89.4-1 12.3 mm, the nucleusg
o
e inclines to the side of animal At this thepole. stage,
a>
o
female can ovulate under the action ofo gonadotrophic