Results 31 to 40 of about 2,219 (126)

Incorporando o conhecimento ecológico local na conservação dos lagartos da serra do Ouro Branco, Minas Gerais, Brasil

open access: yesBioscience Journal, 2014
Até o momento quinze espécies de lagartos foram registradas para a Serra do Ouro Branco, que corresponde a porção sul da Cadeia do Espinhaço, local onde a diversidade e o estado de conservação desse grupo zoológico são pouco conhecidos. Nesta Serra estão
Lorena Cristina Lana Pinto   +2 more
doaj   +3 more sources

Dynamic changes in ocular shape during human development and its implications for retina fovea formation

open access: yesBioEssays, Volume 46, Issue 1, January 2024.
We propose that fovea formation involves dynamic and asymmetric changes in ocular shape in humans and other species with foveated eyes. Abstract The human fovea is known for its distinctive pit‐like appearance, which results from the displacement of retinal layers superficial to the photoreceptors cells.
Ashley M. Rasys   +5 more
wiley   +1 more source

Ultrastructural study of spermatozoa of the neotropical lizards, Tropidurus semitaeniatus and Tropidurus torquatus (Squamata, Tropiduridae) [PDF]

open access: yes, 1999
A detailed description of the sperm ultrastructure of Tropidurus semitaeniatus and T. torquatus is provided. Mature spermatozoa of T. semitaeniatus and T.
Vieira, Gustavo Henrique Calazans   +3 more
core  

Seed dispersal of Solanum thomasiifolium Sendtner (Solanaceae) in the Linhares Forest, Espírito Santo state, Brazil Dispersão de sementes de Solanum thomasiifolium Sendtner (Solanaceae) na Floresta de Linhares, Espírito Santo, Brasil

open access: yesActa Botânica Brasílica, 2009
The aim of this study was to analyse seed dispersal and establishment of Solanum thomasiifolium in an area of "nativo" vegetation in Espirito Santo state on the southeastern Brazilian coast.
João Vasconcellos-Neto   +2 more
doaj   +1 more source

Comparative cytogenetic studies of eleven species of the Tropidurus torquatus group (Sauria, Tropiduridae), with banding patterns

open access: yes, 1996
The chromosomes of 173 specimens representing eleven species of the Tropidurus torquatus group, from 33 localities in Brazil, were analysed after Giemsa staining, C-banding, NORs, and replication banding techniques. A karyotype with 2n = 36, including 12
Kasahara, S.   +3 more
core   +1 more source

The effect of temperature on the germination of Melocactus violaceus Pfeiff. (Cactaceae), a threatened species in restinga sandy coastal plain of Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2013
Melocactus violaceus is an endangered species due to habitat destruction and the overcollection of this species for ornamental use. The aim of this study was to test the effect of different temperatures on the germination of M. violaceus.
LUIZ R. ZAMITH   +2 more
doaj   +1 more source

Área de vida e ecologia termal de Tropidurus torquatus (Wied, 1820) (Squamata, Tropiduridae) em um afloramento quartizítico no sudeste do Brasil [PDF]

open access: yes, 2009
. Home range and thermal ecology of the saxicolous lizard Tropidurus torquatus (Wied, 1820) (Squamata, Tropiduridae) on a rocky outcrop in Minas Gerais ...
Barros Ribeiro, Leonardo   +1 more
core   +1 more source

Structure of claws and toes of two tropidurid lizard species of Restinga from Southeastern Brazil: adaptations to the vertical use of the habitat Estructura de garras y dedos en dos lagartos tropidúridos de Restinga, sureste de Brasil: adaptaciones al uso vertical del hábitat

open access: yesRevista Chilena de Historia Natural, 2004
Tropidurus torquatus and Liolaemus lutzae, found in a restinga habitat, show some morphological differences associated with differential microhabitats use. There were made measurements of the snout-vent length, length and width of the largest toe of hand
Sueli Carvalho Ribas   +5 more
doaj  

Osteological description of Tropidurus torquatus sincranium WIED, 1820 (Squamata, Tropiduridae)

open access: yes
Os Squamata compreendem atualmente os lagartos, serpentes e as anfisbenas e são tradicionalmente divididos em dois grandes clados (com base em dados morfológicos): lguania e Scleroglossa.
Adorni, Fernando Soares
core   +1 more source

New records of parasite nematodes for Tropidurus torquatus (Squamata: Tropiduridae) in Argentina [PDF]

open access: yes, 2021
Los estudios concernientes a nematodes parásitos en lagartos de Argentina se han llevado a cabo principalmente en la región Noroeste y en la región de Cuyo, siendo escasos en la región Nordeste del país.
González, Cynthya Elizabeth   +2 more
core  

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