Signals of change in tropical savanna woodland vertebrate fauna 5 years after cessation of livestock grazing
A. S. Kutt A E F , E. P. Vanderduys A , J. J. Perry A , G. C. Perkins A , J. E. Kemp B , B. L. Bateman C , J. Kanowski D and R. Jensen D
+ Author Affiliations
- Author Affiliations
A CSIRO Ecosystem Sciences, Australian Tropical Science and Innovation Precinct, PMB PO Aitkenvale, Qld 4814, Australia.
B Queensland Herbarium, Department of Environment and Resource Management, PO Box 5318, Townsville, Qld 4810, Australia.
C Centre for Tropical Biodiversity and Climate Change, School of Marine and Tropical Biology, James Cook University, Townsville, Qld 4811, Australia.
D Australian Wildlife Conservancy, PO Box 392, Malanda, Qld 4885, Australia.
E Present address: PO Box 151, Ashburton, Vic. 3147, Australia.
F Corresponding author. Email: alex.kutt@bigpond.com
Wildlife Research 39(5) 386-396 https://doi.org/10.1071/WR11137
Submitted: 27 July 2011 Accepted: 21 April 2012 Published: 22 May 2012
Abstract
Context: There is growing evidence that vertebrates inhabiting the extensive savannas of northern Australia are undergoing a widespread decline as a result of the effects of anthropogenic land management such as the grazing of domestic stock. Despite the ubiquity of pastoral grazing in the Australian savannas, few studies have examined the changes in terrestrial vertebrate fauna following destocking.
Aims: The present study monitored the response of birds, mammals and reptiles to destocking of a newly acquired conservation reserve in north-eastern Australia.
Methods: The vertebrate fauna was sampled over a 5-year period. Standardised 1-ha survey was conducted twice a year in 2006, 2007 and 2010, at 40 sites representing six habitat types.
Key results: The fauna assemblage, the abundance and richness of major taxa, and the abundance of a suite of individual species were found to vary significantly with time since destocking. Although some of the observed trends were consistent with previously reported responses of vertebrates to grazing, in general species richness and abundance did not increase linearly over time since destocking, with an overall decline in the first year, and an increase in the subsequent survey. Mammals remained at very low abundance and displayed a trend contrary to that for birds and reptiles, and variation was often confounded by habitat type.
Conclusions: In general, where there has been a long history of pastoral land management, destocking alone may not induce short-term increases in the vertebrate fauna thought to be affected by grazing in Australian savannas.
Implications: Monitoring the outcomes of conservation management activity is a critical component of understanding the success, failures and adaptation needed to maximise the costs and benefits of conservation investment. The recovery of the vertebrate fauna thought to be of conservation concern in relatively intensively used, long-grazed landscapes may be lengthy and contingent on other factors, such as periods of favourable weather, or understanding the interactive effects of herbivore removal, fire pattern and feral predators. In such landscapes, it is possible that recovery of some elements of the vertebrate fauna may not occur without deliberate interventions, such as reintroductions or intense predator control.
Additional keywords: Australia, birds, conservation, grazing, mammals, management, recovery, reptiles.
References
Albright, T. P., Pidgeon, A. M., Rittenhouse, C. D., Clayton, M. K., Flather, C. H., Culbert, P. D., Wardlow, B. D., and Radeloff, V. C. (2010). Effects of drought on avian community structure. Global Change Biology 16, 2158–2170.| Effects of drought on avian community structure.Crossref | GoogleScholarGoogle Scholar |
Anderson, M. J., Clarke, K. R., and Gorley, R. N. (2008). ‘PERMANOVA+ for Primer. Guide to Software and Statistical Methods.’ (University of Auckland and PRIMER-E Ltd: Plymouth, UK.)
Bateman, B. L., Kutt, A. S., Vanderduys, E. P., and Kemp, J. E. (2010). Small-mammal species richness and abundance along a tropical altitudinal gradient: an Australian example. Journal of Tropical Ecology 26, 139–149.
| Small-mammal species richness and abundance along a tropical altitudinal gradient: an Australian example.Crossref | GoogleScholarGoogle Scholar |
Braithwaite, R. W., and Brady, P. (1993). The Delicate Mouse, (Pseudomy’s delicatulus): a continuous breeder waiting for the good times. Australian Mammalogy 16, 94–98.
Clarke KR, Gorley RN (2006). ‘PRIMER v6.’ (PRIMER-E Ltd: Plymouth, UK.)
Craigie, I. D., Baillie, J. E. M., Balmford, A., Carbone, C., Collen, B., Green, R. E., and Hutton, J. M. (2010). Large mammal population declines in Africa’s protected areas. Biological Conservation 143, 2221–2228.
| Large mammal population declines in Africa’s protected areas.Crossref | GoogleScholarGoogle Scholar |
Franklin, D., Whitehead, P., Pardon, G., Matthews, J., McMahon, P., and McIntyre, D. (2005). Geographic patterns and correlates of the decline of granivorous birds in northern Australia. Wildlife Research 32, 399–408.
Gardner, T. A., Barlow, J., Araujo, I. S., Avila-Pires, T. C., Bonaldo, A. B., Costa, J. E., Esposito, M. C., Ferreira, L. V., Hawes, J., Hernandez, M. I. M., Hoogmoed, M. S., Leite, R. N., Lo-Man-Hung, N. F., Malcolm, J. R., Martins, M. B., Mestre, L. A. M., Miranda-Santos, R., Overal, W. L., Parry, L., Peters, S. L., Ribeiro, M. A., da Silva, M. N. F., Motta, C. D. S., and Peres, C. A. (2008). The cost-effectiveness of biodiversity surveys in tropical forests. Ecology Letters 11, 139–150.
| The cost-effectiveness of biodiversity surveys in tropical forests.Crossref | GoogleScholarGoogle Scholar |
Garnett, S. T., and Crowley, G. M. (1995). The decline of the black treecreeper Climacteris picumnus melanota on Cape York Peninsula. Emu 95, 66–68.
| The decline of the black treecreeper Climacteris picumnus melanota on Cape York Peninsula.Crossref | GoogleScholarGoogle Scholar |
Goheen, J. R., Palmer, T. M., Keesing, F., Riginos, C., and Young, T. P. (2010). Large herbivores facilitate savanna tree establishment via diverse and indirect pathways. Journal of Animal Ecology 79, 372–382.
| Large herbivores facilitate savanna tree establishment via diverse and indirect pathways.Crossref | GoogleScholarGoogle Scholar |
Goodman, B. A. (2007). Microhabitat separation and niche overlap among five assemblages of tropical skinks. Australian Journal of Zoology 55, 15–27.
| Microhabitat separation and niche overlap among five assemblages of tropical skinks.Crossref | GoogleScholarGoogle Scholar |
Johnson, C. N. (2006) ‘Australia’s Mammal Extinctions. A 50 000 year History.’ (Cambridge University Press: Melbourne.)
Johnson, C. N., and VanDerWal, J. (2009). Evidence that dingoes limit abundance of a mesopredator in eastern Australian forests. Journal of Applied Ecology 46, 641–646.
| Evidence that dingoes limit abundance of a mesopredator in eastern Australian forests.Crossref | GoogleScholarGoogle Scholar |
Karfs, R. A., Abbott, B. N., Scarth, P. F., and Wallace, J. F. (2009). Land condition monitoring information for reef catchments: a new era. The Rangeland Journal 31, 69–86.
| Land condition monitoring information for reef catchments: a new era.Crossref | GoogleScholarGoogle Scholar |
Kemp, J. E., and Kutt, A. S. (2005). The vertebrate fauna of the Clemant State Forest lowlands: a significant coastal woodland remnant in the Southern Wet Tropic bioregion, north-eastern Queensland. Australian Zoologist 32, 508–542.
Kingsford, R. T., Watson, J. E. M., Lundquist, C. J., Venter, O., Hughes, L., Johnston, E. L., Atherton, J., Gawel, M., Keith, D. A., Mackey, B. G., Morley, C., Possingham, H. P., Raynor, B., Recher, H. F., and Wilson, K. A. (2009). Major conservation policy issues for biodiversity in Oceania. Conservation Biology 23, 834–840.
| Major conservation policy issues for biodiversity in Oceania.Crossref | GoogleScholarGoogle Scholar | 1:STN:280:DC%2BD1MrgsVersQ%3D%3D&md5=e979aec2ee37e733d0cad331bfbd5118CAS |
Kutt, A. S., and Fisher, A. (2011). Increased grazing and dominance of an exotic pasture (Bothriochloa pertusa) affects vertebrate fauna species composition, abundance and habitat in savanna woodland. The Rangeland Journal 33, 49–58.
| Increased grazing and dominance of an exotic pasture (Bothriochloa pertusa) affects vertebrate fauna species composition, abundance and habitat in savanna woodland.Crossref | GoogleScholarGoogle Scholar |
Kutt, A. S., and Gordon, I. J. (2012). Variation in terrestrial mammal abundance on pastoral and conservation land tenures in north-eastern Australian tropical savannas. Animal Conservation , .
| Variation in terrestrial mammal abundance on pastoral and conservation land tenures in north-eastern Australian tropical savannas.Crossref | GoogleScholarGoogle Scholar |
Kutt, A. S., and Woinarski, J. C. Z. (2007). The effects of grazing and fire on vegetation and the vertebrate assemblage in a tropical savanna woodland in north-eastern Australia. Journal of Tropical Ecology 23, 95–106.
| The effects of grazing and fire on vegetation and the vertebrate assemblage in a tropical savanna woodland in north-eastern Australia.Crossref | GoogleScholarGoogle Scholar |
Kutt, A. S., Bolitho, E. E., Retallick, R. W. R., and Kemp, J. E. (2005). Pattern and change in the terrestrial vertebrate fauna of the Pennefather River, Gulf of Carpentaria, Cape York Peninsula. In ‘Gulf of Carpentaria Scientific Study Report, Geography. Monograph Series No. 10’. pp. 261–300. (Royal Geographical Society of Queensland Inc.: Brisbane.)
Kutt, A. S., Bateman, B. L., and Vanderduys, E. P. (2011). Lizard diversity along a rainforest-savanna altitude gradient in north-eastern Australia. Australian Journal of Zoology 59, 86–94.
| Lizard diversity along a rainforest-savanna altitude gradient in north-eastern Australia.Crossref | GoogleScholarGoogle Scholar |
Kutt, A. S., Perkins, G. C., Colman, N., Vanderduys, E. P., and Perry, J. J. (2012). Temporal variation in a savanna bird assemblage: what changes over 5 years? Emu 112, 32–38.
Legge, S., and Fleming, A. (2008). Monitoring to evaluate conservation management: fire and grazing. Wingspan Supplement (The State of Australian Birds) 18, 10.
Legge, S., Kennedy, M. S., Lloyd, R., Murphy, S. A., and Fisher, A. (2011). Rapid recovery of mammal fauna in the central Kimberley, northern Australia, following the removal of introduced herbivores. Austral Ecology 36, 791–799.
| Rapid recovery of mammal fauna in the central Kimberley, northern Australia, following the removal of introduced herbivores.Crossref | GoogleScholarGoogle Scholar |
Letnic, M., Ritchie, E. G., and Dickman, C. R. (2012). Top predators as biodiversity regulators: the dingo Canis lupus dingo as a case study. Biological Reviews 87, 390–413.
| Top predators as biodiversity regulators: the dingo Canis lupus dingo as a case study.Crossref | GoogleScholarGoogle Scholar |
Likens, G. E., and Lindenmayer, D. B. (2011). A strategic plan for an Australian long-term environmental monitoring network. Austral Ecology 36, 1–8.
| A strategic plan for an Australian long-term environmental monitoring network.Crossref | GoogleScholarGoogle Scholar |
Lindenmayer, D. B., and Likens, G. E. (2010). Improving ecological monitoring. Trends in Ecology & Evolution 25, 200–201.
| Improving ecological monitoring.Crossref | GoogleScholarGoogle Scholar |
Mackey, B., Gilmore, S., Pringle, H., Foreman, P., Van Bommel, L., Berry, S., and Haseler, M. (2010). BioPrEP – a regional, process-based approach for assessment of land with high conservation value for Bush Heritage Australia. Ecological Management & Restoration 11, 51–60.
| BioPrEP – a regional, process-based approach for assessment of land with high conservation value for Bush Heritage Australia.Crossref | GoogleScholarGoogle Scholar |
Morrison, T. H., McAlpine, C., Rhodes, J. R., Peterson, A., and Schmidt, P. (2010). Back to the future? Planning for environmental outcomes and the new Caring for our Country program. The Australian Geographer 41, 521–538.
| Back to the future? Planning for environmental outcomes and the new Caring for our Country program.Crossref | GoogleScholarGoogle Scholar |
Murphy, S. A., Legge, S. M., Heathcote, J., and Mulder, E. (2010). The effects of early and late-season fires on mortality, dispersal, physiology and breeding of red-backed fairy-wrens (Malurus melanocephalus). Wildlife Research 37, 145–155.
| The effects of early and late-season fires on mortality, dispersal, physiology and breeding of red-backed fairy-wrens (Malurus melanocephalus).Crossref | GoogleScholarGoogle Scholar |
O’Reagain, P., Bushell, J., Holloway, C., and Reid, A. (2009). Managing for rainfall variability: effect of grazing strategy on cattle production in a dry tropical savanna. Animal Production Science 49, 85–99.
| Managing for rainfall variability: effect of grazing strategy on cattle production in a dry tropical savanna.Crossref | GoogleScholarGoogle Scholar |
Payne, R., Wellingham, S., and Harding, S. (2010). ‘A guide to REML in Genstat Release 13.’ (VSN International Ltd: Hertfordshire, UK.)
Perry, J. J., Kutt, A. S., Garnett, S. T., Crowley, G. M., Vanderduys, E. P., and Perkins, G. C. (2011). Changes in the avifauna of Cape York Peninsula over a period of 9 years: the relative effects of fire, vegetation type and climate. Emu 111, 120–131.
| Changes in the avifauna of Cape York Peninsula over a period of 9 years: the relative effects of fire, vegetation type and climate.Crossref | GoogleScholarGoogle Scholar |
Perry, J., Kutt, A., Perkins, G., Vanderduys, E., and Colman, N. (2012). A bird survey method for Australian tropical savannas. Emu , .
| A bird survey method for Australian tropical savannas.Crossref | GoogleScholarGoogle Scholar |
Price, B., McAlpine, C. A., Kutt, A. S., Phinn, S. R., Pullar, D. V., and Ludwig, J. A. (2009). Continuum or discrete patch landscape models for savanna birds? Towards a pluralistic approach. Ecography 32, 745–756.
| Continuum or discrete patch landscape models for savanna birds? Towards a pluralistic approach.Crossref | GoogleScholarGoogle Scholar |
Price, B., Kutt, A. S., and McAlpine, C. A. (2010). The importance of fine-scale savanna heterogeneity for reptiles and small mammals. Biological Conservation 143, 2504–2513.
| The importance of fine-scale savanna heterogeneity for reptiles and small mammals.Crossref | GoogleScholarGoogle Scholar |
Queensland Herbarium (2005) ‘Survey and Mapping of Pre-clearing and 2003 Remnant Vegetation Communities and Regional Ecosystems of Queensland, Version 5.0 (December 2005).’ (Department of Environment and Resource Management: Brisbane.)
Read, J. L., and Cunningham, R. (2010). Relative impacts of cattle grazing and feral animals on an Australian arid zone reptile and small mammal assemblage. Austral Ecology 35, 314–324.
| Relative impacts of cattle grazing and feral animals on an Australian arid zone reptile and small mammal assemblage.Crossref | GoogleScholarGoogle Scholar |
Reside, A. E., VanDerWal, J., Kutt, A. S., and Perkins, G. C. (2010). Weather, not climate, defines distributions of vagile bird species. PLoS ONE 5, e13569.
| Weather, not climate, defines distributions of vagile bird species.Crossref | GoogleScholarGoogle Scholar |
Rubidge, E. M., Monahan, W. B., Parra, J. L., Cameron, S. E., and Brashares, J. S. (2011). The role of climate, habitat, and species co-occurrence as drivers of change in small mammal distributions over the past century. Global Change Biology 17, 696–708.
| The role of climate, habitat, and species co-occurrence as drivers of change in small mammal distributions over the past century.Crossref | GoogleScholarGoogle Scholar |
Symanski, R. (1994). Contested realities: feral horses in outback Australia. Annals of the Association of American Geographers. Association of American Geographers 84, 251–269.
| Contested realities: feral horses in outback Australia.Crossref | GoogleScholarGoogle Scholar |
Tassicker, A. L., Kutt, A. S., Vanderduys, E., and Mangru, S. (2006). The effects of vegetation structure on the birds in a tropical savanna woodland in north-eastern Australia. The Rangeland Journal 28, 139–152.
| The effects of vegetation structure on the birds in a tropical savanna woodland in north-eastern Australia.Crossref | GoogleScholarGoogle Scholar |
Valentine, L. E., Schwarzkopf, L. I. N., and Johnson, C. N. (2012). Effects of a short fire-return interval on resources and assemblage structure of birds in a tropical savanna. Austral Ecology 37, 23–34.
| Effects of a short fire-return interval on resources and assemblage structure of birds in a tropical savanna.Crossref | GoogleScholarGoogle Scholar |
Ward, D. P., and Kutt, A. S. (2009). Rangeland biodiversity assessment using fine scale on-ground survey, time series of remotely sensed ground cover and climate data: an Australian savanna case study. Landscape Ecology 24, 495–507.
| Rangeland biodiversity assessment using fine scale on-ground survey, time series of remotely sensed ground cover and climate data: an Australian savanna case study.Crossref | GoogleScholarGoogle Scholar |
Watson, J. E. M., Fuller, R. A., Watson, A. W. T, Mackey, B. G., Wilson, K. A., Grantham, H. S., Turner, M., Klein, C. J., Carwardine, J., Joseph, L. N., and Possingham, H. P. (2009). Wilderness and future conservation priorities in Australia. Diversity & Distributions 15, 1028–1036.
| Wilderness and future conservation priorities in Australia.Crossref | GoogleScholarGoogle Scholar |
Woinarski, J. C. Z., Armstrong, M., Brennan, K., Fisher, A., Griffiths, A. D., Hill, B., Milne, D. J., Palmer, C., Ward, S., Watson, M., Winderlich, S., and Young, S. (2010). Monitoring indicates rapid and severe decline of native small mammals in Kakadu National Park, northern Australia. Wildlife Research 37, 116–126.
| Monitoring indicates rapid and severe decline of native small mammals in Kakadu National Park, northern Australia.Crossref | GoogleScholarGoogle Scholar |
Woinarski, J. C. Z., Legge, S., Fitzsimons, J. A., Traill, B. J., Burbidge, A. A., Fisher, A., Firth, R. S. C., Gordon, I. J., Griffiths, A. D., Johnson, C. N., McKenzie, N. L., Palmer, C., Radford, I., Rankmore, B., Ritchie, E. G., Ward, S., and Ziembicki, M. (2011). The disappearing mammal fauna of northern Australia: context, cause, and response. Conservation Letters 4, 192–201.
| The disappearing mammal fauna of northern Australia: context, cause, and response.Crossref | GoogleScholarGoogle Scholar |
