Results 41 to 50 of about 987 (166)

The implications of estimating rarity in Brazilian reptiles from GBIF data based on contributions from citizen science versus research institutions 基于公众科学和研究机构的贡献从GBIF数据中估算巴西爬行动物稀有性的意义 Implicações da estimativa de raridade de espécies de répteis brasileiros baseada nas contribuições da ciência cidadã versus instituições de pesquisa

open access: yesIntegrative Conservation, Volume 3, Issue 2, Page 112-126, June 2024.
Integrating data collected by citizen scientists with data from traditional surveys improves our knowledge of reptile species distribution and richness. Data contributed by citizen scientist can inform reptile species abundance and rarity patterns in Brazil.
Lucas Rodriguez Forti   +3 more
wiley   +1 more source

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

A new species of Tropidurus (Sauria, Iguanidae) from the arid Chacoan and western regions of Argentina [PDF]

open access: yes, 1982
Se describe una nueva especie del grupo torquatus del genero Tropidurus—T. etheridgei de la región chaqueña, distribuida entre los 33° y 19° de latitud sur, y desde las laderas orientales andinas y los bordes del Paraná, en Paraguay y Corrientes.
Cei, José Miguel Alfredo María
core   +3 more sources

The fine structure of nuclei during spermiogenesis in the lizard Tropidurus torquatus (Lacertilia).

open access: yesCYTOLOGIA, 1978
The structure of chromatin during spermiogenesis of a lizard was examined. The fibrillar nature of chromatin is maintained during all time even in the mature sperm, but the fibers pass through a process of thickening and reorganization which begins with a homogeneous and diffuse aspect, going through an organization of chromatin fibers parallel to the ...
Maria Alice da Cruz Höfling   +1 more
openaire   +2 more sources

A Staging Table of Post‐Ovipositional Development for the South American Collared Lizard Tropidurus torquatus (Squamata: Tropiduridae) [PDF]

open access: yesThe Anatomical Record, 2016
ABSTRACTThe mouse, chicken, African clawed frog, and zebrafish are considered ¨model organisms¨ due to their extensive embryological and genetic characterization. However, they are far from representative of known diversity, impairing phylogenetic analyses of developmental patterns.
tainã Rapp Py‐Daniel   +5 more
openaire   +2 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

Hemidactylus mabouia [PDF]

open access: yes, 1998
Number of Pages: 11Integrative BiologyGeological ...
Boos, Hans E. A.   +2 more
core   +1 more source

Herpetofauna of Estação Ambiental de Peti, an Atlantic Rainforest fragment of Minas Gerais State, southeastern Brazil [PDF]

open access: yes
Fornecemos aqui uma lista de espécies de anfíbios e répteis da Estação de Pesquisa e Desenvolvimento Ambiental de Peti, uma reserva de Mata Atlântica localizada nas montanhas da Cadeia do Espinhaço, estado de Minas Gerais, sudeste do Brasil.
BERTOLUCI, Jaime   +4 more
core   +1 more source

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

Herpetofauna de la Reserva Natural Provincial Isla Apipé Grande (Corrientes, Argentina) [PDF]

open access: yes, 2014
La información sobre biodiversidad es imprescindible para conocer y valorar el patrimonio natural de una región, especialmente para tomar decisiones correctas orientadas a la conservación de su biota (Aceñolaza et al., 2004).
Acosta, José Luis   +6 more
core   +1 more source

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