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Osowski, S; Swick, Joseph D.; Carney, Gerald R.; Pena, Hector B.; Danielson, Jeffery E.; Parrish, David A.

doi:10.1023/a:1026491713413

Cited by 8 publications

(3 citation statements)

References 9 publications

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“…Knowing the number of food animals at both the regional and operation level and knowing the location of waste application fields could greatly assist in mitigating the impacts. Environmental assessment tools, such as cumulative risk index analysis and use of GIS technology, are being developed and validated to provide a more systematic and robust approach to assessing the regional or watershedbased impacts of CAFOs (Osowski et al 2001). These tools have the potential to increase the transparency of decisions and facilitate communication of information to stakeholders (Osowski et al 2001).…”

Section: Location Of Operationsmentioning

confidence: 99%

“…Environmental assessment tools, such as cumulative risk index analysis and use of GIS technology, are being developed and validated to provide a more systematic and robust approach to assessing the regional or watershedbased impacts of CAFOs (Osowski et al 2001). These tools have the potential to increase the transparency of decisions and facilitate communication of information to stakeholders (Osowski et al 2001). Further, these technologies help ensure that sufficient land is available for waste application from any particular animal-feeding operation.…”

Section: Location Of Operationsmentioning

confidence: 99%

“…Further, these technologies help ensure that sufficient land is available for waste application from any particular animal-feeding operation. Unfortunately, these tools are not generally used for small and medium AFOs and remain underutilized, especially for follow-up monitoring (Osowski et al 2001).…”

Section: Location Of Operationsmentioning

confidence: 99%

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Managing waste from confined animal feeding operations in the United States: the need for sanitary reform

Graham

Nachman

2010

Journal of Water and Health

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Section: Location Of Operationsmentioning

confidence: 99%

Section: Location Of Operationsmentioning

confidence: 99%

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Managing waste from confined animal feeding operations in the United States: the need for sanitary reform

Graham

Nachman

2010

Journal of Water and Health

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A proposal to define vulnerability of cetacean areas to human development: variables and analysis procedures applied to the Gulf of California

Cubero-Pardo

Donovan

Urbán‐Ramírez

2011

Aquatic Conservation

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ABSTRACT1. Understanding spatial interactions between specific sources of anthropogenic impact on cetaceans and the ecological conditions intrinsic to these mammals, has several applications for conservation and management. Here cetacean habitats are classified into vulnerability levels by combining human development metrics and cetacean characteristics, allowing areas identified as more vulnerable to be given management priority.2. Ten bio-physical and anthropogenic factors were identified as key shapers of cetacean habitats and, using the Gulf of California as a case study, 18 variables were defined to measure those factors. Principal component analysis (PCA) and GIS were used to distill the relationships across all variables, in order to obtain a vulnerability index. Aggregates of variables were also investigated to map the spatial distribution of anthropogenic impacts and cetacean characteristics (species richness, relative abundance of encounter, residence condition, diet specificity and threat status). For this latter purpose, separate indices representing five 'categories' (pollution from land sources, urban development, potential for accidents, resource depletion and fragility of cetacean areas) and three 'vulnerability components' (risk of hazards, intrinsic resilience and damage) were calculated.3. The methodology clearly differentiated the study area according to levels for each 'category' and 'vulnerability component', as well as to levels of vulnerability of cetacean areas in relation to human activities; and identified those variables with the greatest contributions, without recourse to the subjective criteria common in other approaches. The analyses were conducted using environmental units generated by the Marine Ecological Zoning Plan for the Gulf of California (OEMGC, by its Spanish acronym) which tied model outputs to this planning framework. The variables selected were easily obtainable through governmental and research institutions which make them suitable for adaptive management purposes.

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Integrating Human Impacts and Ecological Integrity into a Risk-Based Protocol for Conservation Planning

Mattson

Angermeier

2006

Environmental Management

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Conservation planning aims to protect biodiversity by sustainng the natural physical, chemical, and biological processes within representative ecosystems. Often data to measure these components are inadequate or unavailable. The impact of human activities on ecosystem processes complicates integrity assessments and might alter ecosystem organization at multiple spatial scales. Freshwater conservation targets, such as populations and communities, are influenced by both intrinsic aquatic properties and the surrounding landscape, and locally collected data might not accurately reflect potential impacts. We suggest that changes in five major biotic drivers-energy sources, physical habitat, flow regime, water quality, and biotic interactions-might be used as surrogates to inform conservation planners of the ecological integrity of freshwater ecosystems. Threats to freshwater systems might be evaluated based on their impact to these drivers to provide an overview of potential risk to conservation targets. We developed a risk-based protocol, the Ecological Risk Index (ERI), to identify watersheds with least/most risk to conservation targets. Our protocol combines risk-based components, specifically the frequency and severity of human-induced stressors, with biotic drivers and mappable land- and water-use data to provide a summary of relative risk to watersheds. We illustrate application of our protocol with a case study of the upper Tennessee River basin, USA. Differences in risk patterns among the major drainages in the basin reflect dominant land uses, such as mining and agriculture. A principal components analysis showed that localized, moderately severe threats accounted for most of the threat composition differences among our watersheds. We also found that the relative importance of threats is sensitive to the spatial grain of the analysis. Our case study demonstrates that the ERI is useful for evaluating the frequency and severity of ecosystem-wide risk, which can inform local and regional conservation planning.

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Untitled

Cited by 8 publications

References 9 publications

Managing waste from confined animal feeding operations in the United States: the need for sanitary reform

Managing waste from confined animal feeding operations in the United States: the need for sanitary reform

A proposal to define vulnerability of cetacean areas to human development: variables and analysis procedures applied to the Gulf of California

Integrating Human Impacts and Ecological Integrity into a Risk-Based Protocol for Conservation Planning

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