Managing and eradicating wildlife tuberculosis in New Zealand

Figures & data

Table 1. Mean costs of ground control of possums for four contract options, showing costs on a per total hectare (ha) and per habitat hectare (Hab ha) basis, based on data from the VectorNet database (unpublished vector database repository, TBfree New Zealand, Wellington, New Zealand). Sample sizes in brackets

	2010–2011		2011–2012		2012–2013
	$/Total ha^a	$/Hab ha^b	$/Total ha	$/Hab ha	$/Total ha	$/Hab ha
Initial reduction (output-based contract)	$18.00 (1)	$38.00	N/A	N/A	$8.00 (16)	$29.00
Maintenance (output-based contract)	$8.70 (209)	$15.90	$9.70	$18.90	$7.30 (194)	$14.10
Maintenance and recovery of carcasses (input-based contract)	$4.60 (115)	$9.40	$5.60 (150)	$10.00	$7.50 (100)	$16.00
Detection, control and recovery of carcasses (input-based contract)	N/A	N/A	$14.70 (30)	$39.70	$11.20 (50)	$29.90

N/A=data not recorded.

^aArea enclosed within the operational boundary and includes both habitat and non-habitat.

^bArea based on the New Zealand Land Cover Database (http://www.lcdb.scinfo.org.nz) and in some areas under-represent the actual area of habitat.