The Marginal Cost of Species Preservation: The Northern Spotted Owl

Montgomery, Claire A.; Brown, Gregory A.; Adams, Darius M.

doi:10.1006/jeem.1994.1007

Cited by 136 publications

(73 citation statements)

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“…The probability of survival for a species depends upon the quantity, quality, and spatial pattern of habitat. Several recent studies have integrated population biology modeling and economic analysis to assess the tradeoff between species survival and economic returns for a single species (Haight 1995;Montgomery, Brown, and Adams 1994;Marshall, Haight, and Homans 1998). Montgomery et al (1999) illustrate the cost of conserving species under alternative land use plans for Monroe Country, Pennsylvania.…”

Section: Discussionmentioning

confidence: 99%

Selecting Biological Reserves Cost-Effectively: An Application to Terrestrial Vertebrate Conservation in Oregon

Polasky¹,

Camm²,

2001

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Section: Discussionmentioning

confidence: 99%

Selecting Biological Reserves Cost-Effectively: An Application to Terrestrial Vertebrate Conservation in Oregon

Polasky¹,

Camm²,

2001

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“…Montgomery et al [20] analyze land use allocation at a county level and trace out a cost curve for conserving species. Several papers analyze the tradeoff between the value of timber production and species conservation in forested landscapes (e.g., [3,6,10,15,24]) or the opportunity cost of protecting an endangered species (e.g, [12,18,19]). …”

Section: Article In Pressmentioning

confidence: 99%

On trade, land-use, and biodiversity

Polasky

Costello

McAusland

2004

Journal of Environmental Economics and Management

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We combine a simple trade model with a species-area curve to derive the effect of trade on biodiversity conservation. Trade causes specialization in production that drives specialization in ecosystems and their associated biodiversity. When trading partners contain similar species in autarky, trade has little effect on global biodiversity but lowers local biodiversity. On the other hand, with high endemism, specialization causes significant declines in both local and global biodiversity. If preferences for biodiversity conservation are sufficiently high, overall utility may decline with a move toward free trade unless corrective conservation policy is instituted. r

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“…As a result, management decisions are often based on qualitative anecdotal information or management practices that have been implemented in the past (Pullin & Knight, 2005). There are several examples of studies where management actions have been tested and evaluated for their effectiveness using evidence (for example Smith et al, 2010;St Clair et al, 2011), but few have incorporated management costs (Naidoo et al, 2006) or developed return on investment relationships (but see Montgomery, Brown & Adams, 1994;Wilson et al, 2007;Busch & Cullen, 2009;Duca et al, 2009). When the effectiveness of a management action is estimated or assumed, there is no guarantee that investment in that action will achieve the conservation objective cost-effectively.…”

Section: Introductionmentioning

confidence: 99%

Unexpected outcomes of invasive predator control: the importance of evaluating conservation management actions

Walsh

Wilson

Benshemesh

et al. 2012

Animal Conservation

102

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Decisions regarding the implementation of conservation management actions should be based on the effectiveness of past investments. However, because of limited evaluation of existing data, actions may be prescribed without evidence of producing a beneficial conservation outcome. We analysed empirical data, collected over 23 years across southern Australia, on the impact of fox baiting on malleefowl to determine its effectiveness. We employed data from extensive monitoring surveys to evaluate the observed relationships between investment in fox control, fox baiting intensity, fox presence and two alternative measures of the malleefowl's response: the number of breeding pairs and population growth. This study is the first to quantify the return on investment from fox control in a conservation context. We discovered there is limited quantitative evidence for a benefit of fox baiting on malleefowl, despite it being the main management action implemented for this nationally threatened, well-studied and iconic species. We found that fox baiting did not significantly decrease the presence of foxes and fox presence was positively correlated with malleefowl conservation. Malleefowl breeding population size increased with investment in baiting, although this relationship depended on the number of years the site had been baited. Nonetheless, most sites had a negative relationship between investment and breeding population. In contrast, malleefowl population growth did not benefit from baiting, suggesting that fox baiting is generally not a cost-effective management action for the conservation of this species. This study provides a powerful example of why management decisions should be based on evidence, rather than ecological intuition. Even though the malleefowl is one of the best-monitored species of conservation concern in Australia, we are still uncertain how to cost-effectively manage this species. We emphasize the urgent need to assess what data we have and determine which species and what actions are most in need of evaluation.

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The Marginal Cost of Species Preservation: The Northern Spotted Owl

Cited by 136 publications

References 0 publications

Selecting Biological Reserves Cost-Effectively: An Application to Terrestrial Vertebrate Conservation in Oregon

Selecting Biological Reserves Cost-Effectively: An Application to Terrestrial Vertebrate Conservation in Oregon

On trade, land-use, and biodiversity

Unexpected outcomes of invasive predator control: the importance of evaluating conservation management actions

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