Results 141 to 150 of about 49,162 (350)

On the Origin of Frictional Adhesion in Geckos: Small Morphological Changes Lead to a Major Biomechanical Transition in the Genus \u3cem\u3eGonatodes\u3c/em\u3e [PDF]

open access: yes, 2017
The evolutionary history of vertebrate locomotion is punctuated by innovations that have permitted expansion into novel ecological niches. Frictional adhesion of geckos is an innovation renowned for enabling locomotion on vertical and inverted smooth ...
Gamble, Tony   +2 more
core   +1 more source

Preservation of stable isotope niche dynamics in squamate museum specimens

open access: yesJournal of Animal Ecology, EarlyView.
This paper presents the first research on the effects of fluid specimen preservation in a community context, demonstrating the recovery of metrics of niche dynamics across a diverse array of squamate taxa. Abstract Natural history museums are invaluable resources for large‐scale ecological and evolutionary studies, but certain ecological traits can be ...
Maggie R. Grundler, Erica Bree Rosenblum
wiley   +1 more source

Direct observation of microcavitation in underwater adhesion of mushroom-shaped adhesive microstructure

open access: yesBeilstein Journal of Nanotechnology, 2014
In this work we report on experiments aimed at testing the cavitation hypothesis [Varenberg, M.; Gorb, S. J. R. Soc., Interface 2008, 5, 383–385] proposed to explain the strong underwater adhesion of mushroom-shaped adhesive microstructures (MSAMSs). For
Lars Heepe   +2 more
doaj   +1 more source

Draft Genome of the Leopard Gecko, \u3cem\u3eEublepharis Macularius\u3c/em\u3e [PDF]

open access: yes, 2016
Background Geckos are among the most species-rich reptile groups and the sister clade to all other lizards and snakes. Geckos possess a suite of distinctive characteristics, including adhesive digits, nocturnal activity, hard, calcareous eggshells, and a
Gamble, Tony   +9 more
core   +1 more source

A reappraisal of the Middle to Later Stone Age prehistory of Morocco Réévaluer la préhistoire du Maroc, du Middle Stone Age au Later Stone Age

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Over the last 25 years, perceptions of the early prehistory of Northwest Africa have undergone radical changes due to new fieldwork projects and a corresponding growth in scientific interest in the region. Much of this work has been focused in Morocco, known for its extremely rich fossil and archaeological records in caves and rock shelters.
Nick Barton   +3 more
wiley   +1 more source

High count rate {\gamma}-ray spectroscopy with LaBr3:Ce scintillation detectors

open access: yes, 2012
The applicability of LaBr3:Ce detectors for high count rate {\gamma}-ray spectroscopy is investigated. A 3"x3" LaBr3:Ce detector is used in a test setup with radioactive sources to study the dependence of energy resolution and photo peak efficiency on ...
B. Löher   +20 more
core   +1 more source

An Overlooked Habitat‐Dependent Link Between Metabolism and Water Loss in Reptiles

open access: yesIntegrative Zoology, EarlyView.
We measured the gas exchange of six lizard and six snake species, under high and low air humidity, and two intriguing patterns emerged. First, although desert species lose less water via evaporation than similar‐sized mesic species under similar conditions, water loss is virtually the same when each is exposed to its natural conditions.
Shahar Dubiner, Shai Meiri, Eran Levin
wiley   +1 more source

Using Periodic Matrix Models to Simulate the Effectiveness of Alternative Reintroduction Strategies for Lizards on a Seasonal Tropical Island

open access: yesAnimal Conservation, EarlyView.
Guam's lizard fauna has been devastated by the invasive brown treesnake, but recent advances in brown treesnake control have opened the possibility of reintroducing native lizards. We simulated different strategies for reintroducing lizards to Guam, comparing the timing and age‐structure of releases.
Jonathan P. Rose   +2 more
wiley   +1 more source

Translocation and post-release monitoring techniques of Auckland green gecko (Naultinus elegans elegans) using a penned release : a thesis in partial fulfilment of the requirements for the degree of Master of Science in Conservation Biology, Massey University, Auckland, New Zealand [PDF]

open access: yes, 2016
A translocation of Auckland green gecko (Naultinus elegans elegans) using penned and hard releases is conducted during an emergency salvage in the Hunua Ranges, Auckland. The value of limiting individuals’ movement post-translocation is discussed.
Scott, Sarah Naomi
core  

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