Results 91 to 100 of about 7,859 (203)

Jenis-jenis Katak (Amphibi: Anura) Di Desa Kepenuhan Hulu Kecamatan Kepenuhan Hulu Kabupaten Rokan Hulu Provinsi Riau [PDF]

open access: yes, 2016
Study on diversity frog (Amphibians: Anura) in Desa Kepenuhan Hulu Kecamatan Kepenuhan Hulu Kabupaten Rokan Hulu, Riau has been conducted from November to Desember 2015 by using visual encounter survay (capture directly to the survey) by the sampling ...
Winata, E. Y. (Egi)
core  

Morphology, ultrastructure and molecular characterisation of Spiroxys japonica Morishita, 1926 (Spirurida: Gnathostomatidae) from Pelophylax nigromaculatus (Hallowell) (Amphibia: Ranidae) [PDF]

open access: yes, 2014
Gnathostomatid nematodes identified morphologically as Spiroxys japonica Morishita, 1926 were collected from the dark-spotted frog Pelophylax nigromaculatus (Hallowell) (Amphibia: Ranidae) in China.
AC Walton   +32 more
core   +1 more source

NATURAL HISTORY AND BIOGEOGRAPHY OF THE AMPHIBIANS AND REPTILES OF KIBALE NATIONAL PARK, UGANDA [PDF]

open access: yes, 2001
This study lists the amphibian and reptile species of Kibale National Park, Uganda, and discusses the natural history and biogeography of this unique herpetofauna.
Vonesh, James
core   +2 more sources

Influence of Lead, an Environmental Pollutant on Metamorphosis of Rana utricularia (Amphibia: Ranidae) [PDF]

open access: yes, 1978
The influence of lead, an environmental pollutant on metamorphosis of Rana utricularia, was examined in this study. Larvae of stage XI (Taylor and Kollros, 1946), beginning of the premetamorphic stage, were exposed to lead concentrations of 0.1 ppm, 0.5 ...
Yeung, Gloria L.
core   +2 more sources

Effect to age on the geographic variation in morphometric traits among populations of Boana cordobae (Anura: Hylidae) [PDF]

open access: yes, 2018
La variación morfométrica del tamaño corporal es un aspecto importante de la historia natural de las especies, que ha sido de particular interés. En este estudio se estimaron diferencias en el tamaño corporal y la estructura de edad de seis poblaciones ...
Babini, María Selene   +4 more
core   +1 more source

New records of amphibians from Ha Tinh Province, Vietnam [PDF]

open access: yesBiodiversity Data Journal
Since the establishment of the Vu Quang National Park in 2002 in Ha Tinh Province, central Vietnam, several surveys on the amphibian fauna have been undertaken in this protected area. In 2009, Nguyen et al. provided a list of 23 amphibian species from Vu
Vinh Dau   +5 more
doaj   +3 more sources

Определение естественной смертности половозрелых зеленых лягушек (Pelophylax esculentus complex; Amphibia, Ranidae) с использованием скелетохронологии [PDF]

open access: yes, 2010
Изучен характер смертности зеленых лягушек (Pelophylax esculentus и Pelophylax ridibundus) из Харьковской области по скелетохронологическим данным (146 особей).
Усова, Е.Е.
core  

Rana dalmatina-ren (Amphibia, Ranidae) presentziari buruz Nafarroan. [PDF]

open access: yesMunibe Ciencias Naturales, 1984
Se han localizado una puesta y varias larvas de Rana dalmatina en Arbizu (Navarra), U.T.M. 30TWN75. Se describe el hábitat donde se localizó la puesta. Esta especie se incluye definitivamente en la   fauna navarra.
ARRAIAGO, M.J., BEA, A.
doaj  

Karyotype of a Ranid Frog, Platymantis pelewensis, from Belau, Micronesia, with Comments on Its Systematic Implications [PDF]

open access: yes, 1995
The karyotype of Platymantis pelewensis Peters, 1867, the only native, endemic amphibian in Belau, extremely isolated from other congeners, consisted of 2n = 22 homologous chromosomes largely forming a graded series.
Matsui, Masafumi, Ota, Hidetoshi
core   +1 more source

Activity Level-Predation Risk Tradeoff in a Tadpole Guild: Implications for Community Organization Along the Hydroperiod Gradient [PDF]

open access: yes, 2020
Increasing activity levels permit greater food intake for use towards growth and reproduction, consequently increasing predation risk via increased detection.
Saenz, Daniel   +2 more
core   +1 more source

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