Results 41 to 50 of about 716 (142)

Desarrollo neural, somitogénesis y morfología interna de los embriones de Hyloxalus vertebralis y Dendrobates auratus (Anura: Dendrobatidae)

open access: yesRevista Ecuatoriana de Medicina y Ciencias Biológicas, 2017
Se analizaron y compararon las características de la neurulación, morfología interna de los embriones desde la néurula hasta la eclosión del renacuajo y el modo de miogénesis de dos especies de ranas de la familia Dendrobatidae (Hyloxalus vertebralis y Dendrobates auratus) con otras especies de la misma familia y Xenopus laevis.
Francisca Hervas Sotomayor   +1 more
openaire   +1 more source

El comerç de mascotes exòtiques : aspectes legals i ètics / [PDF]

open access: yes, 2011
Treball presentat a l'assignatura de Deontologia i Veterinària Legal ...
Comós Callergues, Joan.   +2 more
core  

Chondrocranial Anatomy and Skeletogenesis in \u3cem\u3eDendrobates auratus\u3c/em\u3e [PDF]

open access: yes, 1998
The larval chondrocranium and visceral skeleton of Dendrobates auratus ls described and compared with those of other dendrobatids. Four characters, i.e. lack of fusion between orbital cartilages and otic capsules, wide processus muscularis palatoquadrati,
de Sá, Rafael O., Hill, Shannon
core   +1 more source

Análisis de tablas de vida de dos poblaciones aisladas de Dendrobates auratus (Anura: Dendrobatidae) en Costa Rica

open access: yesRevista Biodiversidad Neotropical, 2011
Life-tables are important tools for population knowledge and conservation. This study analyzes life- tables for two isolated populations of Dendrobates auratus from Costa Rica. A direct visual survey with direct capture was completed at La Suerte Biological Station in a secondary Humid Tropical Forest on the Caribbean coast and Playa Hermosa ...
José F. González-Maya   +4 more
openaire   +1 more source

ANFIBIOS EN LA RESERVA FORESTAL LA TRONOSA: DIVERSIDAD Y ESTADO DE CONSERVACIÓN

open access: yesTecnociencia, 2006
    Confirmamos 16 anfibios correspondientes a 11 géneros que pertenecen a 6 familias y 2 órdenes en la Reserva Forestal La Tronosa, Provincia de Los Santos, República de Panamá.
Johana Cedeño   +2 more
doaj  

Field notes on findings of threatened amphibian species in the central mountain range of western Panama [PDF]

open access: yes, 2012
During field work along a transect in the Cordillera Central of western Panama between 2008 and 2010, we detected several populations of amphibian species which are considered as “Endangered” or “Critically Endangered” by the IUCN.
Carrizo, Arcadio   +5 more
core  

Herpetofauna of the Hawaiian Islands [PDF]

open access: yes, 1967
Volume: 21Start Page: 423End Page ...
Breese, Paul, Hunsaker, Don II
core  

Mating strategies in two species of dart-poison frogs: a comparative study [PDF]

open access: yes, 1992
Comparative field studies of species of dart-poison frogs in the genus Dendrobates were carried out to test predictions from two hypotheses that attempt to explain female-female competition for mates in species of Dendrobates with male parental care. The
Summers, Kyle
core   +1 more source

THE ANTIPREDATOR BEHAVIORS OF CRYPTIC AND APOSEMATIC ANURANS AND VARIABILITY IN ALKALOIDS, CONSPICUOUSNESS, AND PATTERN WITHIN DENDROBATES AURATUS (DENDROBATIDAE) [PDF]

open access: yes, 2017
Crypsis and aposematism are common antipredator strategies that have evolved as defensive mechanisms to prevent predation. Prey that employ these defensive strategies also exhibit antipredator behaviors meant to avoid or deter predation.
Blanchette, Annelise
core   +1 more source

Konservasi Amfibi Di Indonesia: Masalah Global Dan Tantangan1) (Conservation of Amphibian in Indonesia: Global Problems and Challenges) [PDF]

open access: yes, 2007
This paper reviews potential causes of amphibian population declines in Indonesia in relation to global amphibian declines. At least six factors were identified: over-harvesting, loss of forest and wetland habitats, pollution, disease, introduction of ...
Kusrini, M. D. (Mirza)
core  

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