Title:

Observations on the movements and home ranges of Hartmann's Mountain Zebras and Oryx in the Greater Sossusvlei-Namib Landscape, December 2014

Publication Year:
2014
Abstract:

This document provides an update of information on the movements and locations of 9 Hartmann’s mountain zebra and 9 oryx in the Greater Sossusvlei-Namib Landscape (GSNL). The report covers one year: from the last days of November 2013 when the transmitters were fitted to the end of November 2014. A previous report reviewed data collected during the first 7 months up to the 26th of June 2014. The locations of the animals were recorded every 5 hours up until late July 2014 when the recording frequency was adjusted to one signal per day recorded at approximately 06h00. Many more locations were thus collected each day during the first 8 months than in the last 4 months. To eliminate bias caused by the different collection frequencies, new sets of data were derived to provide for just one location per day. This was done by calculating the average position recorded each day during the first 8 months and adding these to the single daily locations collected in the last 4 months. As a result, all the data presented here are based on single daily locations or daily averages. Averaging data collected at different times each day reduced the spread of points and also reduced the size of home ranges, given here as minimum convex polygons (MCPs) that enclose all locations. As a result, the sizes of some MCPs are somewhat smaller than those given in the first report.

Item Type:
Report
Language:
en

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