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The Effectiveness of Conservation Reserves: Land Tenure Impacts upon Biodiversity across Extensive Natural Landscapes in the Tropical Savannahs of the Northern Territory, Australia

Woinarski, John C. Z., Green, Jon, Fisher, Alaric, Ensbey, Michelle and Mackey, Brendan (2013). The Effectiveness of Conservation Reserves: Land Tenure Impacts upon Biodiversity across Extensive Natural Landscapes in the Tropical Savannahs of the Northern Territory, Australia. Land,2(1):20-36.

Document type: Journal Article
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ARC Grant No. LP0455163
IRMA ID 82057923xPUB522
Title The Effectiveness of Conservation Reserves: Land Tenure Impacts upon Biodiversity across Extensive Natural Landscapes in the Tropical Savannahs of the Northern Territory, Australia
Author Woinarski, John C. Z.
Green, Jon
Fisher, Alaric
Ensbey, Michelle
Mackey, Brendan
Journal Name Land
Publication Date 2013
Volume Number 2
Issue Number 1
ISSN 2073-445X   (check CDU catalogue  open catalogue search in new window)
Start Page 20
End Page 36
Total Pages 17
Place of Publication Switzerland
Publisher MDPIAG
HERDC Category C1 - Journal Article (DIISR)
Abstract This study examines whether there is a biodiversity benefit (“dividend”) associated with the existence and management of conservation reserves in the extensive and largely natural landscape of northern Australia. Species richness and abundance of vertebrate fauna and the intensity of a range of disturbance factors were compared across a set of 967 sampled quadrats, located either in pastoral lands, Indigenous lands or conservation reserves, with all sampled quadrats within a single vegetation type (open forests and savannah woodlands dominated by Eucalyptus miniata and/or E. tetrodonta). The relationships with land tenure varied between major taxonomic groups, but generally (and particularly for threatened species) values were highest for conservation reserves. This “biodiversity dividend” associated with conservation reserves is considered to be due to the effects of management rather than because conservation reserves were established on lands supporting atypically high conservation values. The impact of weeds and (unsurprisingly) livestock was greatest on pastoral lands, and pig impact was greatest in conservation reserves. Although pastoral and Indigenous lands supported lower biodiversity tallies than reserved lands, the conservation values of reserved lands in this region are probably substantially supported by the maintenance of relatively intact ecological systems across all lands.
Keywords Indigenous land management
National Park
Biodiversity
Fire
Pastoralism
Tropical savannah
Threatened species
DOI http://dx.doi.org/10.3390/land2010020   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
Additional Notes This article belongs to the Special Issue Landscape Changes in Savanna Systems: Understanding the Roles of Climate, Vegetation Dynamics, Parks and Protected Areas, Resources, People and Livelihoods. This is an Open Access article distributed under the terms of the Creative Commons Attribution License 3.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Description for Link Link to CC Attribution 3.0 License
URL https://creativecommons.org/licenses/by/3.0/au/legalcode


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