Results 91 to 100 of about 515,005 (311)
Semi‐automated assessment for NatureServe subnational conservation status ranks for state floras
Applications in Plant Sciences, EarlyView.Abstract Premise Conservation status ranks measure the potential risk of extinction for species at global, national, and subnational levels, taking into account rarity, threats, and trends. These assessments are largely incomplete due to funding and resource limitations.
Julia H. Prins, Joey Shaw
wiley +1 more source
Nature Communications, 2019 Sea-level rise threatens coastal mangroves, with global consequences for these important blue carbon sinks. Here the authors analyse four Holocene sediment cores from islands in Florida Bay and find that mangroves that comprised the South Florida ...
Miriam C. Jones +7 more
doaj +1 more source
Study on Collection and Storage Stability Experiment of Helium Headspace Gas
Yankuang ceshi, 2018 Helium is an indispensable and rare strategic element. A method of sampling the top helium gas in the helium gas resource investigation was used, and is described in this paper.
HE Jun +4 more
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Anglesey (Ynys Môn) : 600 million years of Welsh history [PDF]
, 2011 Earth scientists from the British Geological Survey (BGS) are applying new techniques to advance our understanding of the geological evolution of Anglesey, North Wales, unravelling over 600 million years of Earth history.
Beamish, David +2 more
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The Anatomical Record, EarlyView.Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley +1 more source
Yankuang ceshi, 2014 Although there is poor outcrop in the area, the Daoxiang formation exposed in North Fujian has unique rock assemblage and metamorphism, and deformation characteristics show that the Daoxiang group does exist, and belongs to metamorphic rock of the ...
ZHAO Xi-lin +6 more
doaj +2 more sources
The Mountain Pass Rare-Earth Deposits [PDF]
, 1954 Rare-earth minerals were discovered near Mountain Pass in northeastern San Bernardino County, Calif., in April 1949, and in the following year the Sulphide Queen carbonate body was found.
Olson, J. C., Pray, L. C.
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The Anatomical Record, EarlyView.Abstract Basking sharks, Cetorhinus maximus (Gunnerus, Brugden [Squalus maximus], Det Kongelige Norske Videnskabers Selskabs Skrifter, 1765, vol. 3, pp. 33–49), feed by gaping their mouths and gill slits, greatly reorienting their cranial skeletons to filter food from water.
Tairan Li +12 more
wiley +1 more source
Application of X-ray Fluorescence Spectroscopy in Identification and Classification of Marble
Yankuang ceshi, 2018 The identification and classification of marble depended mainly on the identification of rock slices and the semi-quantitative detection of minerals by X-ray Diffraction (XRD).
CHI Guang-cheng +4 more
doaj +1 more source
Potential for stratiform base-metal sulphides in SW England [PDF]
, 2004 The British Geological Survey (BGS) has recently re-evaluated the potential for stratiform base-metal sulphide mineralisation in Devon and east Cornwall (Rollin et al., 2001) (Figure 1). On the basis of their stratigraphy and tectonic setting the Lower
Benham, A.J. +3 more
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