Achieving no net loss in habitat offset of a threatened frog required high offset ratio and intensive monitoring

Pickett, Evan J.; Stockwell, Michelle P.; Bower, Deborah S.; Garnham, James I.; Pollard, Carla J.; Clulow, John; Mahony, Michael

doi:10.1016/j.biocon.2012.09.014

Cited by 65 publications

(52 citation statements)

References 30 publications

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“…Gordon et al (2011) for example, simulated in an urban context and other studies focused on specific regions (Underwood, 2011), activities (Sonter et al, 2014), or species (Pickett et al, 2013) only. While not ignoring there are downsides of working on a scale as large as the EU-27 (see Section 4.3), this is the programme level at which EU policy is operationalised.…”

Section: Innovationmentioning

confidence: 99%

A quantitative assessment of policy options for no net loss of biodiversity and ecosystem services in the European Union

Schulp¹,

Teeffelen²,

Tucker

et al. 2016

Land Use Policy

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Section: Innovationmentioning

confidence: 99%

A quantitative assessment of policy options for no net loss of biodiversity and ecosystem services in the European Union

Schulp¹,

Teeffelen²,

Tucker

et al. 2016

Land Use Policy

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“…In particular, studies have demonstrated that the no net loss objective may only be achieved with high offsets ratios (i.e. where more ecological assets are protected or created than are lost) if at all, and with intensive monitoring efforts, even in cases that would normally be considered ideal for implementation of an offset strategy based on biology and habitat characteristics (Pickett et al, 2013). Where such characteristics are not present, there is a risk that the offsets may not provide services equivalent to those that were lost.…”

Section: Introductionmentioning

confidence: 98%

Of sets of offsets: Cumulative impacts and strategies for compensatory restoration

Thébaud

Boschetti

Jennings

et al. 2015

Ecological Modelling

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a b s t r a c tBiodiversity offsets are increasingly advocated as a flexible approach to managing the ecological costs of economic development. Arguably, however, this remains an area where policy-making has run ahead of science. A growing number of studies identify limitations of offsets in achieving ecologically sustainable outcomes, pointing to ethical and implementation issues that may undermine their effectiveness. We develop a novel system dynamic modelling framework to analyze the no net loss objective of development and biodiversity offsets. The modelling framework considers a marine-based example, where resource abundance depends on a habitat that is affected by a sequence of development projects, and biodiversity offsets are understood as habitat restoration actions. The model is used to explore the implications of four alternative offset management strategies for a regulator, which differ in how net loss is measured, and whether and how the cumulative impacts of development are considered. Our results confirm that, when it comes to offsets as a conservation tool, the devil lies in the details. Approaches to determining the magnitude of offsets required, as well as their timing and allocation among multiple developers, can result in potentially complex and undesired sets of economic incentives, with direct impacts on the ability to meet the overall objective of ecologically sustainable development. The approach and insights are of direct interest to conservation policy design in a broad range of marine and coastal contexts.

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“…Litoria aurea was discovered in the grounds of the park prior to developing the site for the 2000 Sydney Olympic Games (Darcovich & O'Meara 2008). A large restoration strategy was implemented to offset habitat loss and increase the distribution of L. aurea in an attempt to ensure the persistence of the population (Pickett et al 2013). Currently, the park contains 150 ponds of varying size and hydrological regimes, providing a selection of habitat for aquatic fauna.…”

Section: Study Sitementioning

confidence: 99%

Diet of a threatened pond frog differs over a small spatial scale

Bower¹,

Pickett²,

Garnham³

et al. 2014

Endang. Species. Res.

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Suitability of habitat patches affects demographic processes and consequently influences the viability of populations. In order for managers to consider the potential of resources on a scale appropriate to their use, it is important to understand the processes that influence the ecology of threatened species. Differential growth rates of Litoria aurea (green and golden bell frog) at Sydney Olympic Park, Australia, may be explained by prey availability and diet. We tested: (1) whether food availability differed among precincts at Sydney Olympic Park and (2) whether the diet of L. aurea was influenced by availability of invertebrate prey. Diets were distinct among precincts and reflected the variation in biomass and richness of invertebrate assemblages. Precincts with greater biomass corresponded to areas with faster individual growth rates and greater habitat structure. The differences in diet and individual growth rates of L. aurea among precincts at Sydney Olympic Park demonstrate how caution must be applied to generalising population function, even within a small area.

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Achieving no net loss in habitat offset of a threatened frog required high offset ratio and intensive monitoring

Cited by 65 publications

References 30 publications

A quantitative assessment of policy options for no net loss of biodiversity and ecosystem services in the European Union

A quantitative assessment of policy options for no net loss of biodiversity and ecosystem services in the European Union

Of sets of offsets: Cumulative impacts and strategies for compensatory restoration

Diet of a threatened pond frog differs over a small spatial scale

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