Results 71 to 80 of about 2,898 (213)

Late Miocene karst system at Sheikh Abdallah, between Bahariya and Farafra, Western Desert, Egypt : Implications for palaeoclimate and geomorphology [PDF]

open access: yes, 2009
The extensive spelean deposits in the Western Desert of Egypt at Crystal Mountain (Gebel Bellorat) are considered to be 11-10 Ma, confirming the 'Vallesian' estimate made by Heissig (1982).
Mein, P.   +5 more
core   +6 more sources

Unusually extensive karyotype reorganization in four congeneric <i>Gerbillus</i> species (Muridae: Gerbillinae)

open access: yesCytogenetic and Genome Research, 2005
Comparative analysis of the G- and C-banding patterns in four morphologically poorly differentiated <i>Gerbillus</i> species <i>(G. pyramidum</i>, <i>G. perpallidus</i>, <i>G. tarabuli</i> and <i>G. occiduus)</i> was carried out.
Aniskin, V.M.   +5 more
openaire   +5 more sources

A multi-approach survey as the most reliable tool to accurately assess biodiversity: an example of thai murine rodents [PDF]

open access: yes, 2010
Wildlife surveys rely on an accurate taxonomic framework. Identification tools used to reach this goal are not equivalent and may depend on several objectives and constraints, including sampling conservation difficulties, the invasiveness of the sampling
Chaval, Y.   +6 more
core   +1 more source

Mosaic Convergence of Rodent Dentitions [PDF]

open access: yes, 2008
BACKGROUND:Understanding mechanisms responsible for changes in tooth morphology in the course of evolution is an area of investigation common to both paleontology and developmental biology. Detailed analyses of molar tooth crown shape have shown frequent
A Walker   +48 more
core   +6 more sources

Diversity in small mammals from eastern Lake Turkana, Kenya [PDF]

open access: yes, 2010
Rodents and insectivores were surveyed, using live trapping, at seven sites on the eastern side of Lake Turkana, one of the remotest parts of Kenya, and at study areas of biological distinctiveness, such as Sibiloi National Park and the Mount Kulal ...
Carugati, C., Fasola, M., Webala, P.W.
core   +1 more source

Not all that clear cut : intraspecific morphological variability in Squalus blainville (Risso, 1827) and implications for identification of the species [PDF]

open access: yes, 2015
Of the three species of the genus Squalus that occur in the Mediterranean Sea, S. blainville and S. megalops are very difficult to distinguish. This study assesses the variability in morphological features that have been used to differentiate between ...
Bonello, Juan José   +4 more
core   +1 more source

A higher-taxon approach to rodent conservation priorities for the 21st century [PDF]

open access: yes, 2003
Although rodents are not considered among the most threatened mammals, there is ample historical evidence concerning the vulnerability to extinction of several rodent phylogenetic lineages.
Amori, G., Gippoliti, S.
core  

A postnatalis neurogenesis során képződő neuronok morfológiai vizsgálata fiatal házi csirkék előagyában = The morphological investigation of neurons produced by postnatal neurogenesis in the forebrain of domestic chicks [PDF]

open access: yes, 2011
A jelen kutatási pályázat keretében folytatott vizsgálatok révén feltártam, hogy naposcsibék középagyi dopaminerg magcsoportjaiban milyen kvantitatív változások történnek passzív ízelkerüléses tanulást követően 24 órával az újonnan képződött sejtek ...
Mezey, Szilvia
core  

The diet of the Eurasian eagle-owl (Bubo bubo) in various natural environments across Eurasia

open access: yesRaptor Journal
The Eurasian eagle-owl (Bubo bubo) has adapted to hunt local fauna that are subject to the influence of human agricultural activities. In the sparse forests, marshes and lakes of the mountainous regions of central Norway, the eagle-owl’s diet is ...
Obuch Ján
doaj   +1 more source

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