Results 101 to 110 of about 10,694 (202)

Decorrelation and efficient coding by retinal ganglion cells [PDF]

open access: yes, 2012
An influential theory of visual processing asserts that retinal center-surround receptive fields remove spatial correlations in the visual world, producing ganglion cell spike trains that are less redundant than the corresponding image pixels. For bright,
BA Olshausen   +58 more
core   +2 more sources

The Capital Improvement Plan Environmental Assessment Process [PDF]

open access: yes, 2000
This report contains one explicit mention of Waller Creek and how a Convention Center 66" Water Transmission Line Relocation resulted in a recommendation for the restoration of Waller Creek banks.This report outlines the current requirements for ...
Lyday, Mike
core   +1 more source

Foraging plasticity favours adaptation to new habitats in fire salamanders

open access: yesAnimal Behaviour, 2013
Predators often show strong plasticity of optimal foraging strategies. A major difference in foraging strategies occurs between sit-and-wait and active predators. Models predict that the efficiency of these strategies is affected by environmental conditions, active predators being favoured when prey are scarce and their detection difficult.
R. Manenti, M. Denoël, G.F. Ficetola
openaire   +3 more sources

The Projective Field of a Retinal Amacrine Cell [PDF]

open access: yes, 2011
In sensory systems, neurons are generally characterized by their receptive field, namely the sensitivity to activity patterns at the input of the circuit. To assess the role of the neuron in the system, one must also know its projective field, namely the
Baccus, Stephen A.   +2 more
core   +1 more source

Cartilage on the Move: Cartilage Lineage Tracing During Tadpole Metamorphosis

open access: yes, 2012
The reorganization of cranial cartilages during tadpole metamorphosis is a set of complex processes. The fates of larval cartilage-forming cells (chondrocytes) and sources of adult chondrocytes are largely unknown.
Brittain, Alison L.   +3 more
core   +1 more source

Effects of prescribed fire on Cope’s Gray Treefrog (Hyla chrysoscelis) across habitat scales and life stages [PDF]

open access: yes, 2017
Fire may alter both aquatic and terrestrial habitat used by all amphibian life stages, yet, our knowledge of its effects on amphibians is primarily limited to adult responses. I present an integrated approach to test the response of Cope’s Gray Treefrog (
McDonald, Logan
core   +1 more source

Effects of diet quality on morphology and intraspecific competition ability during development: the case of fire salamander larvae

open access: yesThe European Zoological Journal, 2018
The environmental conditions of the habitats in which organisms live may induce a variety of plastic adaptive responses for numerous developmental, behavioural and morphological traits.
R. Manenti   +3 more
doaj   +1 more source

Pathogenic chytrid fungus Batrachochytrium dendrobatidis, but not B. salamandrivorans, detected on eastern hellbenders.

open access: yesPLoS ONE, 2015
Recent worldwide declines and extinctions of amphibian populations have been attributed to chytridiomycosis, a disease caused by the pathogenic fungus Batrachochytrium dendrobatidis (Bd).
Emma K Bales   +8 more
doaj   +1 more source

An information theoretic approach to the functional classification of neurons [PDF]

open access: yes, 2002
A population of neurons typically exhibits a broad diversity of responses to sensory inputs. The intuitive notion of functional classification is that cells can be clustered so that most of the diversity is captured in the identity of the clusters rather
Berry II, Michael J.   +2 more
core   +4 more sources

Biogeography of the fire salamander (Salamandra salamandra, L.) in Portugal

open access: yes, 2008
Several studies show that the Betic and Messinian crisis may be linked to origin of several Iberian endemic species, while the Pleistocene ice ages cycles are responsible for the fragmentation of species into subspecies and lineages divergence. The present study of the relationships between Salamandra salamandra subspecies (S. s. gallaica and S.
openaire   +2 more sources

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