Showing papers in "Journal of Arid Environments in 1980"

TL;DR: In this article, the authors conducted a survey of the Namib dunes after a prolonged dry period (mean annual precipitation 14 mm) and after a high rainfall event (118 mm).

TL;DR: In this article, the evolution and ecology of the sand dune ecosystem of the Namib Desert of southwestern Africa is described and quantified, and the causal relationships between 18 of these variables are compared.

TL;DR: In this paper, the authors studied the recovery of vegetation and compacted soil at the Wahmonie ghost town in southwestern Nevada, showing that soil compaction is a major limiting factor on the revegetation of disturbed desert areas.

TL;DR: Natural distributions of the 44 species of Prosopis (Leguminosae) reflect the occurrence of arid zones in N. Africa, Africa, S.W. and S. Asia and the Indian sub-continent, and studies of their biology and genetic variation indicate exploitable potential for tree improvement as a multi-purpose crop plant.

TL;DR: Data suggest that forage availability and competitive interactions may have been important in structuring this ant assemblage.

TL;DR: In this article, a stream was found to support annual mean standing crops of benthic invertebrates comparable to those in streams of other regions where floods are not as frequent and intense.

TL;DR: Investigation in a saline desert area of the Arava Valley, Israel found differences in the gazelles’ use of the vegetation types were related to animal competition, shelter and variation in abundance and availability of food.

TL;DR: The most abundant Scorpion species in the Mediterranean region was Scorpio maurus fuscus and in the bordering arid regions Leiurus quinquestriatus and Butothus judaicus, Nebo hierochonticus and Compsobuthus werneri as discussed by the authors.

TL;DR: Weight loss of fresh and senescent creosotebush leaves was studied during September and October, which is normally the peak of surface feeding by subterranean termites, and it is suggested that this results from the presence of allelochemics in fresh litter and leaching of these compounds with high precipitation.

TL;DR: In this paper, eight habitat types, defined by vegetation associations, were delimited within a central Australian arid mountain range and four bird community characteristics were measured in each habitat type.

TL;DR: In this article, an extensive regional analysis was undertaken using satellite images to determine the degree of land exploitation of the grazing nomad herds in a winter grazing area of the Pashtun nomads in West Afghanistan.

TL;DR: By means of aktographs it is shown that the desert scorpions A. australis and B. occitanus are strongly nocturnal whereas, in the forest dwelling species P. gregoryi and II.

TL;DR: It is demonstrated that a typical flock was able easily and consistently to suppress such inputs to a 4050 ha paddock at a rate and scale that would extinguish most in a few weeks.

TL;DR: The distribution of desert isopods was studied in three contrasting sites in the western Mediterranean coast of Egypt as discussed by the authors, of which Armadillo sp., Porcellio oliveri and Hemilepistus reaumuri were dominant.

TL;DR: Diatom floras of 10 playas in southern California are described with the water chemistry of lakes in these basins as discussed by the authors, and the playa lakes range from carbonate systems of low total dissolved solids (freshwater) to chloride systems of high total dissolved compounds (hypersaline) Floras are dominated by aerial taxa and are not diverse with generally less than 10 taxa per playa.

TL;DR: The rhythmic onset of locomotory activity in A. cancellata, a day-active desert beetle, is advanced in darkness and retarded by constant light, in contradiction to the ‘circadian rule’.

TL;DR: The water requirements for Jojoba production are approximately 4600 m3 per hectare compared with traditional crops grown in the area with average requirements of 12,315 m3 or more as mentioned in this paper.

TL;DR: Seven species of lizards, including Acanthodactylus boskianus asper (Audouin), were collected in the semi-desert region of Ouarzazate, southern Morocco, in three habitat types: oued, hamada and bare ground, and measurements of head and body size established that mouth width limits the size of insect prey ingested.

TL;DR: This article found that the incidence of allergies among people in arid Tucson, Arizona, is six to nine times higher than that in the U.S. population as a whole, due to the inadvertant introduction of atmospheric pollen from urban and suburban landscaping.

TL;DR: Six diurnal zophosine Tenebrionidae are geographically sympatric on the gravel plains of the Namib Desert near Gobabeb, SWA/Namibia and behavioural data suggest that most species are segregated both spatially and temporally.

TL;DR: A reconnaissance geological and geomorphological survey of the Suez region is described in this paper, showing four major lithostratigraphic sequences of Miocene age; these sediments have been disturbed by faulting and folding, some of which affects Quaternary sediments.

TL;DR: The excretory capacity and adaptability of the nasal salt gland of the Saharan lizard Uromastix acanthinurus have been investigated using single saline loads, finding that it appears to be well adapted for the elimination of K + and Cl − ions.

TL;DR: In this article, field studies were conducted during 1974-8 to determine the effect of an asphalt subsurface barrier 2 mm thick at a depth of 60 cm on crop production, water and nitrogen conservation.