نتایج جستجو برای: background in nature

تعداد نتایج: 17022543  

2009
Gustavo M. Martins Richard C. Thompson Ana I. Neto Stephen J. Hawkins Stuart R. Jenkins

It is widely recognised that microhabitats are important for a variety of marine organisms, yet this knowledge has rarely been applied in the construction of engineered structures as a means of enhancing biodiversity or populations of species at risk. Here we examined the influence of microhabitats on the distribution and survival of the exploited limpet Patella candei on natural shores before ...

2007
Megan Bang Douglas Medin Scott Atran

respect Respect for nature Abstract liking Expressing a positive but abstract attitude towards nature (e.g. "I enjoy nature" vs. the moreliking Expressing a positive but abstract attitude towards nature (e.g. "I enjoy nature" vs. the more concrete, "I enjoy walks in the woods") Abstract knowledge Expressing learning goals abstractly (e.g. "I want to learn about nature" vs. the more concrete, "I...

2008
Marlene Wall Jürgen Herler

Coral-associated gobies are highly specialized reef fishes with high host-coral fidelity. Flexibility in habitat choice, however, is important to compensate for potential habitat alteration or loss, but detailed information about the postsettlement movement behavior of such gobies is lacking. We examined movement patterns in Gobiodon histrio, both under natural conditions and during subsequent ...

2015
Michael T. Kinnison Nelson G. Hairston Andrew P. Hendry

Natural systems harbor complex interactions that are fundamental parts of ecology and evolution. These interactions challenge our inclinations and training to seek the simplest explanations of patterns in nature. Not least is the likelihood that some complex processes might be missed when their patterns look similar to predictions for simpler mechanisms. Along these lines, theory and empirical ...

2007
C. E. Puente B. Sivakumar A. Cortis

Modeling of nature’s complexity is among the outstanding challenges we are faced with in the geophysical sciences. Although many ideas have been proposed throughout the years, the most common approaches, being based on notions related to chance, turn out to be insufficient to study, on an individual basis, the vast variety of patterns seen in nature. To this end, a novel deterministic fractal g...

2001
Olov Engwall

The six articulatory parameters of a three-dimensional tongue model were adjusted to replicate linguopalatal contact patterns measured with Electropalatography (EPG). The tongue model is based on artificially sustained articulations measured with MRI and the EPG data provides one possibility to tune the parameters to dynamic speech. A 3D model was generated of the palate and the electrode distr...

2003
C. Wetzel A. L. Chen T. Suski J. W. Ager

A characterization of the Si impurity in GaN is performed by Raman spectroscopy. Applying hydrostatic pressure up to 25GPa we study the behavior of the LO phonon-plasmon mode in a series of high mobility Si doped GaN films. In contrast to earlier results on unintentionally doped bulk GaN crystals no freeze out of the free carriers could be observed in Si doped samples. We find that Si is a shal...

2002
R. P. Taylor B. Spehar

Fractals have experienced considerable success in quantifying the complex structure exhibited by many natural patterns and have captured the imagination of scientists and artists alike [Mandelbrot]. With ever widening appeal, they have been referred to both as "fingerprints of nature" [Taylor et al 1999] and "the new aesthetics" [Richards]. Recently, we showed that the drip patterns of the Amer...

1992
Fahiem Bacchus Adam J. Grove Daphne Koller Joseph Y. Halpern

An intelligent agent uses known facts including statistical knowledge to assign degrees of belief to assertions it is un certain about We investigate three principled techniques for doing this All three are applications of the principle of indi erence because they assign equal degree of belief to all basic situations consistent with the knowledge base They di er because there are competing intu...

2003
Eugene Buckley

Most approaches to generative phonology grant a privileged status to “natural” phonological rules, those that have a clear phonetic motivation. In Optimality Theory, for example, children are typically assumed to begin language learning with markedness constraints ranked above faithfulness constraints (see Smolensky 1996). The implication — often not made explicit — is that phonetically arbitra...

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