Selection of a conservation reserve network in the Mulga Biogeographic Region of South-Western Queensland, Australia

Purdie, Rosemary; Blick, R. A. J.; Bolton, Margaret

doi:10.1016/0006-3207(86)90061-3

Cited by 32 publications

(17 citation statements)

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“…Land systems have long been utilized for guiding allocation of type and intensity of land use and choice of land management strategies in Australia (see Purdie et al 1986, Walker 1991, Johnston et al 1996, Pressey and Taffs 2001a and elsewhere (see Felfili and Da Silva 1993, Kazaklis and Karteris 1993, Lawrence et al 1993, King 1994, Murgen et al 1998, Van Wilgen et al 2000. They have also been used in New South Wales and Queensland (Purdie et al 1986, Smart et al 2000, Pressey and Taffs 2001a as a surrogate for the spatial distribution of biodiversity in conservation planning.…”

Section: Introductionmentioning

confidence: 99%

“…They have also been used in New South Wales and Queensland (Purdie et al 1986, Smart et al 2000, Pressey and Taffs 2001a as a surrogate for the spatial distribution of biodiversity in conservation planning. However, our knowledge of the performance of environmental surrogates, in accounting for the distributions of species, is severely lacking (but see Kirkpatrick and Brown 1994, Ferrier and Watson 1997, Wessels et al 1999, Lombard et al 2003.…”

Section: Introductionmentioning

confidence: 99%

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Land Systems as Surrogates for Biodiversity in Conservation Planning

Oliver

Holmes

Dangerfield

et al. 2004

Ecological Applications

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Abstract. Environmental surrogates (land classes) for the distribution of biodiversity are increasingly being used for conservation planning. However, data that demonstrate coincident patterns in land classes and biodiversity are limited. We ask the overall question, ''Are land systems effective surrogates for the spatial configuration of biodiversity for conservation planning?'' and we address three specific questions: (1) Do different land systems represent different biological assemblages? (2) Do biological assemblages on the same land system remain similar with increasing geographic separation? and (3) Do biological assemblages on the same land system remain similar with increasing land system isolation? Vascular plants, invertebrates, and microbiota were surveyed from 24 sites in four land systems in arid northwest New South Wales, Australia. Within each land system, sites were located to give a hierarchy of inter-site distances, and land systems were classified as either ''low isolation'' (large and continuous) or ''high isolation'' (small patches interspersed among other land systems).Each type of land system supported components of biodiversity either not found, or found infrequently, on other land systems, suggesting that land systems function as surrogates for biodiversity, and that conservation-area networks representing land-system diversity will also represent biological diversity. However, the majority of taxa were found on more than one land-system type, suggesting that a large proportion of the plant, arthropod, and microbial biodiversity may be characterized by widespread species with low fidelity to particular land systems. Significant relationships between geographic distance among sites and differences among assemblages were revealed for all taxa except the microbiota. Therefore, as sites on the same land system were located farther apart, the assemblages at those sites became more different. This finding strongly suggests that conservation planning based on land-system diversity should also sample the geographic range occupied by each land system. Land-system isolation was not revealed to be a significant source of variation in assemblage composition. Our research finds support for environmental surrogates for biodiversity in conservation planning, specifically the use of land systems and similarly derived land classifications. However, the need for explicit modeling of geographic distance in conservation planning is clearly indicated.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Land Systems as Surrogates for Biodiversity in Conservation Planning

Oliver

Holmes

Dangerfield

et al. 2004

Ecological Applications

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“…The recent development of more systematic approaches to selecting reserves reflects a perceived need to address representation more seriously and to derive explicit, defensible decisions. Alternative systematic approaches include simple scoring procedures (see Margules and Usher, 1981;Smith and Theberge, 1986 for reviews), modified scoring (Purdie et al, 1986), linear programming (Cocks and Baird, 1989), and iterative analyses (Kirkpatrick, 1983;Kirkpatrick and Harwood, 1983;Margules and Nicholls, 1987;Margules et al, 1988;Margules, 1989;Pressey and Nicholls, 1989a;Pressey et al, 1990;Pressey and Nicholls, 1991;Vane-Wright et al, 1991;Siegfried, 1990, 1992;Ryti, 1992). Despite their many differences, alternative systematic approaches can be compared using two important principles: efficiency and flexibility.…”

Section: Introductionmentioning

confidence: 99%

Shades of irreplaceability: towards a measure of the contribution of sites to a reservation goal

1994

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In most regions there are many possible ways of combining numbers of sites into reserve systems that represent a range of natural features. The 'irreplaceability' of a site is operationally defined as the percentage of these alternative systems in which it occurs. This is a fundamental measure of the conservation value of the site in terms of its potential contribution to the achievement of a reservation goal or, alternatively, the options for reservation that are lost if the site is lost. The measure allows decisions to be made on the future of individual sites in the context of their value, in combination with other sites, to the conservation of the full range of natural features in a region. It also provides a logical framework for the design of whole systems of reserves, with decisions proceeding from the most to the least irreplaceable. Irreplaceability can be measured directly for small data sets but must be predicted for regional data sets. A promising approach to prediction is discussed that requires validation with more extensive trials. The irreplaceability of a site depends on a specific reservation target and changes as some of the site's features become progressively represented in reserves elsewhere. The concept of irreplaceability undermines notions of conservation value that are static or based on a single static system of sites to achieve a reservation goal.

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“…Adopting land types as map units in this evaluation is likely, therefore, to provide a relatively exaggerated estimate of the representativeness of nature reserves in the northeastern Goldfields. Pringle A broad landscape approach to maintenance of biodiversity such as that presented in this paper has emerged in recent years (Romme and Knight, 1 982;Noss, 1 983;Noss and Harris, 1 986;Pressey and Nichols, 1991;Purdie et al, 1986;Purdie, 1987;Burton et al, 1992;Dunning et aL, 1 992;Mott and Bridgewater, 1992, Morton et al, in press). It represents, to some extent, a tradeoff between detailed sampling and geographical coverage, and emphasizes the influence of landscape patterning and processes on the distribution of biota.…”

Section: Introductionmentioning

confidence: 93%

Pastoralism, nature conservation and ecological sustainability in Western Australia's southern shrubland rangelands

Pringle¹

1995

International Journal of Sustainable Development & World Ec

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Two major issues are discussed in this paper. The first is the commitment of Federal and State Governments to the maintenance of biodiversity and nature conservation through their endorsement of conservation strategies. Based on a range land biophysical resource inventory survey (Pringle d aL, 1994) it is contended that existing nature conservation reserves are not representative of the biological diversity in the region. In 1990, less than 1% of the survey area was under nature reservation. Whilst 13 of 17 land types are present in reserves,_most of the reserves consist ofland types least suitable for pastoralism (but not necessanly lackmg conservation value). The land types most subject to preferential grazing and most threatened from a nature conservation perspective are poorly (three types) or not (four types) represented, and certainly not replicated, in nature reserves of the survey area, which exceeds 100 000 km~. Of the 23 priority plant species for nature conservation occurring in the survey area, 21 are not known to occur in nature reserves. Nature conservation in the area needs to improve because of the unrepresentativeness of the existing nature reserves and the absence of numerous priority plant species for nature conservation from these areas. We should recognize that reservation is but one nature conservation strategy. Viewed as a land tenure issue, this paper presents a case for a more representative nature reserve system, and substantial changes in outlook towards off-reserve nature conservation. First, an integrated appraisal of findings from rangeland and biological surveys is required. Together they provide a strong foundation for nature conservation planning, from which a mon~ representative nature resen·c system can lx· planned. Given that off-reserve natun.· conservation values are still likely to lx· substanual, partly as a rcsuh of compromise· with existing land uses, new approaches to land management, scmiuvc to these~ values, may be required.The second major issue concerns the suness of maintaining regional biological daversitv in the arid shnabland rangclands of Western Australia, which will be strongly influen~ed by the use of the semi-natural matrix of lands under pastoral management. In sax suggested opportunities, this paper addresses huw this use may be achieved. Central to the ideas is a regional approach in which all stakeholden can comr.ibute to, and have ownership of, regional emironmcntal management plans. Thu paper emphasizes the role that conservative pastor~tl management might be abl~ to. play and some approaches to encourage more widespread participation of pastorahsts m nature conservation management.

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Selection of a conservation reserve network in the Mulga Biogeographic Region of South-Western Queensland, Australia

Cited by 32 publications

References 1 publication

Land Systems as Surrogates for Biodiversity in Conservation Planning

Land Systems as Surrogates for Biodiversity in Conservation Planning

Shades of irreplaceability: towards a measure of the contribution of sites to a reservation goal

Pastoralism, nature conservation and ecological sustainability in Western Australia's southern shrubland rangelands

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