Bat fauna of a semi-arid environment in central western Queensland, Australia

2000 ◽  
Vol 27 (2) ◽  
pp. 203 ◽  
Author(s):  
R. A. Young ◽  
G. I. Ford
Keyword(s):  
Species Richness ◽  
National Park ◽  
Arid Environment ◽  
Seasonal Activity ◽  
Echolocation Call ◽  
Reproductive Patterns ◽  
Capture Success ◽  
Open Forest ◽  
Semi Arid ◽  
Riparian Woodland

The results from a survey of bats in semi-arid Idalia National Park, central westernQueensland, are presented, with an analysis of habitat use, species richness, seasonal activity and reproductive patterns. Fourteen species were recorded: one megachiropteran, and thirteen microchiropterans in eight genera and three families. Significant range extensions were recorded for Vespadelus vulturnus, V. finlaysoni and Nyctophilus gouldi. Capture success using harp traps was unusually high, with 859 bats of nine species captured in 27 trap-nights (31.4 bats per trap-night). Two species (Chalinolobus gouldii and Scotorepens greyii) comprised almost 75% of all captures in harp traps. The remaining five species were recorded by means of echolocation call detection, cave searches and incidental observations. Bat species richness, abundance and capture success was greatest in riparian woodland and open forest adjacent to water; over 97% of captures in harp traps occurred at these sites. Breeding in most species appears to follow a seasonally monoestrous pattern with the ovarian and spermatogenic cycles being asynchronous. Sex ratios were close to parity but with a slightly higher proportion of females in some species in autumn. Females were generally larger and heavier than males.

Observations on the effectiveness of warren destruction as a method of rabbit control in a semi-arid environment.

1979 ◽  
Vol 1 (3) ◽  
pp. 232 ◽  
Author(s):  
JT Martin ◽  
JN Eveleigh
Keyword(s):  
National Park ◽  
New South ◽  
New South Wales ◽  
Arid Environment ◽  
Term Effect ◽  
Low Level ◽  
Rabbit Population ◽  
South Wales ◽  
Original Size ◽  
Semi Arid

The effectiveness of warren ripping as a method for controlling rabbits in a semi-arid environment was tested on a 3000 ha site at Kinchega National Park in western New South Wales. Estimates of rabbit numbers made during the study showed that the immediate effect of warren ripping was to reduce the rabbit population by about 65%. The longer term effect was to stabilise numbers at a relatively low level. The only warrens active 14 months after being ripped were those which gained new burrow entrances within two months of being destroyed. Re-opening rate of warrens was greatest for large limestone warrens where 90% of ripped warrens were again active after two months. Less than 30% of all sandy warrens became active again. Within each re-opened warren, the number of active entrances increased slowly but 14 months after being destroyed they had still not reached their original size.

Bats of a semi-arid environment in south-eastern Australia: biogeography, ecology and conservation

1995 ◽  
Vol 22 (2) ◽  
pp. 217 ◽  
Author(s):  
IF Lumsden ◽  
AF Bennet
Keyword(s):  
Species Richness ◽  
Conservation Status ◽  
Activity Patterns ◽  
Arid Environment ◽  
Arid Environments ◽  
Minor Variation ◽  
South Eastern ◽  
Eastern Australia ◽  
Semi Arid ◽  
South Eastern Australia

A total of 2075 captures of 11 taxa of bats was recorded during an extensive survey of the vertebrate fauna of the semi-arid Mallee region of Victoria. A further two species, Pteropus scapulatus and Saccolaimus flaviventris, are known from previous records, thus bringing the total to 13 taxa known from the region. There was a marked seasonality in activity patterns and in reproduction. Activity, as revealed by trap captures, peaked over the spring to early autumn months when daytime temperatures are high and nights are mild. Births occurred from October to December, lactating females were recorded from November to February, and juveniles were trapped between December and late February, with minor variation in timing between species. Morphometric measurements revealed that females were generally larger and heavier than males. There was a high level of overlap of species between broad vegetation types. Woodland habitats, especially Riverine Woodland, tended to have a higher frequency of capture and a greater species richness of bats per trapping event than did Mallee Shrubland. The assemblage of bats in the Mallee region, Victoria, like those in other semi-arid regions of southern Australia, includes species that are widespread in Australia (e.g. Chalinolobus gouldii and Nyctophilus geoffroyi), together with species that primarily occur in semi-arid and arid environments (e.g. N. timoriensis, Scotorepens balstoni and Vespadelus baverstocki). This region, which includes mesic riverine habitats, also supports a group of species that are characteristic of temperate south-eastern Australia (e.g. C. morio, V. regulus and V. vulturnus). In comparison with assemblages from temperate and tropical environmental regions, those from the semi-arid region tend to have a lower species richness with fewer families represented, a higher level of insectivory, and a smaller modal body size. The conservation status of bats from the Mallee region, Victoria, is believed to be secure, although the status of N. timoriensis warrants further attention.

CASE STUDY: Evaluation of Different Cooling Systems in Lactating Heat-Stressed Dairy Cows in a Semi-Arid Environment

2007 ◽  
Vol 23 (5) ◽  
pp. 546-555 ◽  
Author(s):  
R. Burgos ◽  
L.J. Odens ◽  
R.J. Collier ◽  
L.H. Baumgard ◽  
M.J. VanBaale
Keyword(s):  
Dairy Cows ◽  
Arid Environment ◽  
Cooling Systems ◽  
Study Evaluation ◽  
Semi Arid

scholarly journals Predicting the past, present and future distributions of an endangered marsupial in a semi‐arid environment

2021 ◽  
Author(s):  
J. Riley ◽  
M.R.K. Zeale ◽  
O. Razgour ◽  
J. Turpin ◽  
G. Jones
Keyword(s):  
Arid Environment ◽  
The Past ◽  
Semi Arid

scholarly journals Climatic Zone and Soil Properties Determine the Biodiversity of the Soil Bacterial Communities Associated to Native Plants from Desert Areas of North-Central Algeria

2021 ◽  
Vol 9 (7) ◽  
pp. 1359
Author(s):  
Elisa Bona ◽  
Nadia Massa ◽  
Omrane Toumatia ◽  
Giorgia Novello ◽  
Patrizia Cesaro ◽  
...  
Keyword(s):  
Soil Properties ◽  
Bacterial Communities ◽  
Arid Environment ◽  
Climatic Zone ◽  
Indigenous Plants ◽  
North Central ◽  
The North ◽  
Desert Areas ◽  
Plant Microbiota ◽  
Semi Arid

Algeria is the largest country in Africa characterized by semi-arid and arid sites, located in the North, and hypersaline zones in the center and South of the country. Several autochthonous plants are well known as medicinal plants, having in common tolerance to aridity, drought and salinity. In their natural environment, they live with a great amount of microbial species that altogether are indicated as plant microbiota, while the plants are now viewed as a “holobiont”. In this work, the microbiota of the soil associated to the roots of fourteen economically relevant autochthonous plants from Algeria have been characterized by an innovative metagenomic approach with a dual purpose: (i) to deepen the knowledge of the arid and semi-arid environment and (ii) to characterize the composition of bacterial communities associated with indigenous plants with a strong economic/commercial interest, in order to make possible the improvement of their cultivation. The results presented in this work highlighted specific signatures which are mainly determined by climatic zone and soil properties more than by the plant species.

Sign in / Sign up

Export Citation Format

Share Document