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From Death Comes Life: Recovery and Revolution in the Wake of Epidemic Outbreaks of Mountain Pine Beetle
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Excerpt : “Part of the initial increase in nutrients and moisture under dead and dying trees is due to reduced uptake,” Rhoades says. “But the sick and d... |
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Contemporary Evolution of Reproductive Isolation and Phenotypic Divergence in Sympatry along a Migratory Divide
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Understanding the influence of human-induced changes on the evolutionary trajectories of populations is a fundamental problem [1, 2]. The evolution of reproduct... |
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WATER, CLIMATE CHANGE, AND FORESTS Watershed Stewardship for a Changing Climate
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Water from forested watersheds provides irreplaceable habitat for aquatic and riparian species and supports our homes, farms, industries, and energy production.... |
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Temperature increase of 21st century mitigation scenarios
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Estimates of 21st Century global-mean surface temperature in- crease have generally been based on scenarios that do not include climate policies. Newly develope... |
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Increased soil emissions of potent greenhouse gases under increased atmospheric CO2
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Increasing concentrations of atmospheric carbon dioxide (CO2) can affect biotic and abiotic conditions in soil, such as microbial activity and water content 1,2... |
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Combined climate and carbon-cycle effects of large-scale deforestation
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The prevention of deforestation and promotion of afforestation have often been cited as strategies to slow global warming. Deforestation releases CO2 to the atm... |
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Satellite methods underestimate indirect climate forcing by aerosols
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Satellite-based estimates of the aerosol indirect effect (AIE) are consistently smaller than the estimates from global aerosol models, and, partly as a result o... |
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WWF : A CLOSING WINDOW OF OPPORTUNITY - GLOBAL GREENHOUSE REALITY 2008
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Scientific evidence accumulating since the IPCC’s Fourth Assessment Report reveals that global warming is accelerating, at times far beyond projections outlin... |
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Sagebrush carrying out hydraulic lift enhances surface soil nitrogen cycling and nitrogen uptake into inflorescences
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Plant roots serve as conduits for water flow not only from soil to leaves but also from wetter to drier soil. This hydraulic redistribution through root systems... |
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Gas production in the Barnett Shale obeys a simple scaling theory
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Natural gas from tight shale formations will provide the United States with a major source of energy over the next several decades. Estimates of gas production ... |
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Quantifying the Extent of North American Mammal Extinction Relative to the Pre-Anthropogenic Baseline
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Earth has experienced five major extinction events in the past 450 million years. Many scientists suggest we are now witnessing a sixth, driven by human impacts... |
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Measuring the effectiveness of protected area networks in reducing deforestation
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Global efforts to reduce tropical deforestation rely heavily on the establishment of protected areas. Measuring the effectiveness of these areas is difficult be... |
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prosperity_without_growth_report.pdf
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Genome diversity in wild grasses under environmental stress
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Patterns of diversity distribution in the Isa defense locus in wild- barley populations suggest adaptive selection at this locus. The extent to which environmen... |
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Local climatic drivers of changes in phenology at a boreal-temperate ecotone in eastern North America
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Ecosystems in biogeographical transition zones, or ecotones, tend to be highly sensitive to climate and can provide early indications of future change. To evalu... |
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Ecosystem services: Foundations, opportunities, and challenges for the forest products sector
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From the text: A social trap (7) is created when economic markets cannot efficiently or equitably deal with common pool resources (Hardin, 1968), which is often... |
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Rising atmospheric carbon dioxide concentration and the future of C 4 crops for food and fuel
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Crops with the C4 photosynthetic pathway are vital to global food supply, particularly in the tropical regions where human well-being and agricultural productiv... |
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Correlations among species distributions, human density and human infrastructure across the high biodiversity tropical mountains of Africa
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This paper explores whether spatial variation in the biodiversity values of vertebrates and plants (species richness, range-size rarity and number or proportion... |
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The Role of Livestock Production in Carbon and Nitrogen Cycles
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This review looks at the role of the livestock sector in carbon (C) and nitrogen (N) cycles from a global perspective and considers impacts at the various stage... |
