Results 101 to 110 of about 137,514 (210)

Las precipitaciones conducen la actividad reproductiva en machos de Microcavia australis en el desierto del Monte. [PDF]

open access: yes, 2016
Desert areas represent heterogeneous environments where animals must reproduce under extreme conditions, and where a combination of environmental factors may contribute to trigger or inhibit reproduc­tion. Microcavia australis is a caviomorph rodent that
Andino, Natalia del Pilar   +4 more
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Toxin tolerance across landscapes: Ecological exposure not a prerequisite. [PDF]

open access: yesFunct Ecol, 2022
Dearing MD   +11 more
europepmc   +1 more source

Acmaeodera pubiventris Horn (Coleoptera: Buprestidae) : a polytypic species or a superspecies? [PDF]

open access: yes, 1999
Acmaeodera pubiventris Horn was studied in detail and, without rejecting that it may be a superspecies, I concluded it is a polytypic species comprised of A. p. pubiventris, A. p. lanata Horn, A. p.
Westcott, Richard L.
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First notice of Therion from South America with description of two new species from Argentina and Bolivia (Hymenoptera: Ichneumonidae) [PDF]

open access: yes, 1999
Therion Curtis (Ichneumonidae: Anomalinae) has a nearly cosmopolitan geographic distribution but has not previously been recorded from South America. In most Therion the tarsal claws are simple or have only a few inconspicuous teeth near the base.
Porter, Charles C.
core  

Expression of San Andreas Fault on Seasat Radar Image [PDF]

open access: yes, 1980
On a Seasat image (23.5-cm wavelength) of the Durmid Hills in southern California, the San Andreas fault is expressed as a prominent southeast-trending tonal lineament that is bright on the southwest side and dark on the northeast side.
Blom, R., Elachi, C., Sabins, F. F.
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Hybridization in the absence of an ecotone favors hybrid success in woodrats (Neotoma spp.). [PDF]

open access: yesEvolution, 2023
Klure DM   +6 more
europepmc   +1 more source

Background Oriented Schlieren (BOS) of a Supersonic Aircraft In Flight [PDF]

open access: yes
This article describes the development and use of Background Oriented Schlieren on a full-scale supersonic jet in flight. A series of flight tests was performed in October, 2014 and February 2015 using the flora of the desert floor in the Supersonic ...
Banks, Daniel W.   +4 more
core   +1 more source

In situ detection of microbial respiration in soils and salt flats [PDF]

open access: yes
Increase in CO2 partial pressures over a desert soil treated with casamino-acids glucose solution correlated with bacterial growth. Few or no increases in numbers of bacteria or CO2 concentrations were noted in similar plots treated with water only or ...
Tew, R. W.
core   +1 more source

Ecology of the desert kit fox (Vulpes macrotis arsipus) in Chuckwalla Valley, California [PDF]

open access: yes
The desert kit fox (Vulpes macrotis arsipus) is an uncommon to rare inhabitant of the Mojave and Colorado deserts in California. This previously low-key subspecies is now being threatened by a suite of direct and indirect impacts due to the rapid ...
Kadaba, Dipika
core  

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