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Tolin 1984.pdf
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THA-TUD
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Tolin 1991.pdf
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THA-TUD
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Tolin 1993.pdf
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THA-TUD
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Tomasovic Mix 1974.pdf
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THA-TUD
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TOO EARLY TO TELL, OR TOO LATE TO RESCUE? ADAPTIVE MANAGEMENT UNDER SCRUTINY
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“The Forest Service’s definition of adaptive management does not emphasize experimentation but rather rational planning coupled with trial and error learning. Here ‘adaptive’ management has become a buzzword, a fash- ionable label that means less than it seems to promise.”
Kai Lee, 1999 KEY FINDINGS
• A new approach to the research-management relations is required.The natural tension between the two arenas can produce strengthened relations and improved learning, particularly with focussed input from lead scientists and AMA coordinators.
• The AMA research effort is an important complement to PNW Research Station direction and priorities.The AMAs represent an additional research setting, one that offers important opportunities to test, validate, and possibly revise standards and guides contained within the NWFP.
• The AMA research must be grounded in a local sense of priority and need, established by strong links between management and research.At the same time, designing research to maximize its applicability across the whole AMA system is also productive.
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Climate Science Documents
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Too late for two degrees? Low carbon economy index 2012
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Even doubling our current rate of decarbonisation would still lead to emissions consistent with 6 degrees of
warming by the end of the century. To give ourselves a more than 50% chance of avoiding 2 degrees will
require a six-fold improvement in our rate of decarbonisation.
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Climate Science Documents
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Too much of a bad thing
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There are various — and confusing — targets to limit global warming due to emissions of greenhouse gases. Estimates based on the total slug of carbon emitted are possibly the most robust, and are worrisome.
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Tools
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Top 10 Places to Save for Endangered Species in a Warming World
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If your house were on fire, what would you save? Would it be the precious items passed down in your family from genera- tion to generation? Or would you choose the irreplaceable photos that would disappear forever? Where do you even start? What if it wasn’t just your house, but your whole planet that was on fire?That is the scenario we face today. Climate change has arrived. No longer clouds gathering in the distance, the storm is here now—melting our titanic glaciers, drying our mighty rivers and setting our deserts ablaze. What do we save? For the Endangered Species Coalition, the answer is easy: we start with our endangered species. They are already on the brink of extinction, so vulnerable that a stressor such as climate change acts as a bulldozer, steaming full force ahead with the potential to shove them right over the edge of extinction.And where do we begin? We asked our member groups and our scientists, “If we want to save endangered species from climate change, what habitats do we need to protect?” Together, they identified ten ecosystems that are critical to conserve if we are to protect our nation’s endangered species from the ravages of climate change.
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TOP PREDATORS AS CONSERVATION TOOLS
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We review the ecological rationale behind the potential compatibility between top predators and biodiversity conservation, and examine their effectiveness as surrogate species. Evidence suggests that top predators promote species richness or are spatio-temporally associated with it for six causative or noncausative reasons: resource facilitation, trophic cascades, dependence on ecosystem productivity, sensitivity to dysfunctions, selection of heterogeneous sites and links to multiple ecosystem components. Therefore, predator-centered conservation may deliver certain biodiversity goals. To this aim, predators have been employed in conservation as keystone, umbrella, sentinel, flagship, and indicator species. However, quantitative tests of their surrogate-efficacy have been astonishingly few. Evidence suggests they may function as structuring agents and biodiversity indicators in some ecosystems but not others, and that they perform poorly as umbrella species; more consensus exists for their efficacy as sentinel and flagship species. Conservation biologists need to use apex predators more cautiously, as part of wider, context- dependent mixed strategies.
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Climate Science Documents
