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Contrasting beetle assemblage responses to cultivated farmlands and native woodlands in a dynamic agricultural landscape

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Title Contrasting beetle assemblage responses to cultivated farmlands and native woodlands in a dynamic agricultural landscape
 
Creator Katherina Ng
 
Subject Environmental Monitoring
Conservation and Biodiversity
Landscape Ecology
Wildlife and Habitat Management
 
Description Seasonal differences in beetle assemblages in woodland remnants compared with four adjoining farmland uses in a highly modified agricultural landscape in eleven sites in the Lachlan River Catchment, New South Wales, Australia. We used a split-plot sampling design where each remnant patch was matched with the four different farmland matrix types. We sampled beetles along a 400 m transect from 200 m in each patch out into 200 m in each of the four adjoining farmland matrix types. We then sampled beetles with a pair of pitfall traps located at each end of the transect: 200 m inside the remnant patch and 200 m in the adjoining farmland matrix. Individual traps from each pair were placed on either side of a drift fence (60 cm long x 10 cm high) to help direct arthropods into the trap. Traps were plastic jars (6.5 cm diameter, 250 ml) dug into the ground with the rim level with the soil surface, filled with 100 ml of preservative (1:3 glycol – water mixture, and a drop of detergent to reduce surface tension). We sampled from the same pitfall trap locations during two distinct periods of the cropping cycle: spring when crops were at peak flowering, and summer after crop harvest (stubble retained). A total of 88 pairs of traps (11 replicate sites x 4 transects x 2 trap pairs) were opened for 14 days during spring (October–November 2014) and summer (January–February 2015).
 
Publisher CSIRO
 
Contributor Don Driscoll
Sarina Macfadyen
Philip Barton
Sue McIntyre
David Lindenmayer
 
Date 2017-11-07
 
Type —
 
Format —
 
Identifier csiro:26633
 
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