Results 81 to 90 of about 79,741 (214)

Field Guide to Nonindigenous Marine Fishes of Florida [PDF]

open access: yes, 2009
The purpose of this field guide is to provide information on nonindigenous (i.e., non-native) fishes that have been observed in Florida’s marine waters. Introductions of non-native marine fishes into Florida’s waters could be intentional or unintentional,
Akins, Lad   +2 more
core  

Natural History Note Differential Response To Circularly Polarized Light By The Jewel Scarab Beetle Chrysina Gloriosa [PDF]

open access: yes, 2010
Circularly polarized light is rare in the terrestrial environment, and cuticular reflections from scarab beetles are one of the few natural sources.
Brady, Parrish, Cummings, Molly
core   +1 more source

Selection on multiple sexual signals in two Central and Eastern European populations of the barn swallow

open access: yesEcology and Evolution, 2019
Variation in intensity and targets of sexual selection on multiple traits has been suggested to play a major role in promoting phenotypic differentiation between populations, although the divergence in selection may depend on year, local conditions or ...
Péter L. Pap   +11 more
doaj   +1 more source

For a Colorful Life: Recent Advances in Anthocyanin Biosynthesis during Leaf Senescence

open access: yesBiology
Leaf senescence is the last stage of leaf development, and it is accompanied by a leaf color change. In some species, anthocyanins are accumulated during leaf senescence, which are vital indicators for both ornamental and commercial value.
Ziqi Pei   +4 more
doaj   +1 more source

Optimális éves viselkedési modellek: út a fiziológiától a populációkig? = Optimal annual routines: a path from physiology to populations? [PDF]

open access: yes, 2009
A pályázat fő célja annak kiderítése volt, hogy a különböző állapotváltozók hogyan befolyásolják az optimális viselkedést, speciálisan a hogyan befolyásolják a fő életmenet események időzítését az éves cikluson belül. E cél elérése érdekében több modellt
Alasdair, I. Houston   +3 more
core  

Microstructure and coloration mechanism of TC11 aerospace titanium alloy ultra-thin thermal oxide films

open access: yesJournal of Materials Research and Technology
This study explores the microstructure and coloration mechanism of high-saturation structural colors in ultra-thin oxide films formed on TC11 aerospace titanium alloy near permissible engineering temperatures.
Xiangyu Gao   +3 more
doaj   +1 more source

Biodiversity in a forest island: reptiles and amphibians of the West African Togo Hills [PDF]

open access: yes, 2006
Our recent surveys of the herpetological diversity of the West African Togo Hills documented a total of 65 reptile and amphibian species, making Kyabobo National Park one of the most diverse sites surveyed in Ghana.
Diaz, Raul E.   +5 more
core  

Nanosecond laser coloration on stainless steel surface

open access: yesScientific Reports, 2017
In this work, we present laser coloration on 304 stainless steel using nanosecond laser. Surface modifications are tuned by adjusting laser parameters of scanning speed, repetition rate, and pulse width.
Yan Lu   +8 more
doaj   +1 more source

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