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Pekkarinen Suoranta 1995.pdf
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Pellinen et al 1994.pdf
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Peninsular Florida Landscape Conservation Cooperative
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The Peninsular Florida Landscape Conservation Cooperative (PFLCC) is part of a national network of Landscape Conservation Cooperatives(LCCs). LCCs are applied conservation science partnerships among federal agencies, regional organizations, states, tribes, NGOs, private stakeholders, universities and other entities within a geographic area. They are designed to inform resource management decisions in an integrated fashion across landscapes at a broader scale than any individual partner’s responsibility.
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Perception of climate change
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“Climate dice,” describing the chance of unusually warm or cool seasons, have become more and more “loaded” in the past 30 y, coincident with rapid global warming. The distribution of seasonal mean temperature anomalies has shifted toward higher temperatures and the range of anomalies has increased. An important change is the emergence of a category of summertime extremely hot outliers, more than three standard deviations (3σ) warmer than the climatology of the 1951–1980 base period. This hot extreme, which covered much less than 1% of Earth’s surface during the base period, now typically covers about 10% of the land area. It follows that we can state, with a high degree of confidence, that extreme anomalies such as those in Texas and Oklahoma in 2011 and Moscow in 2010 were a consequence of global warming because their likelihood in the absence of global warming was exceedingly small. We discuss practical implications of this substantial, growing, climate change.
climate impacts ∣ climate anomalies ∣ heat waves
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Peredo et al Relocation.pdf
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Perez, Rey
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Permanent storage of carbon dioxide in geological reservoirs by mineral carbonation
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Anthropogenic greenhouse-gas emissions continue to increase rapidly despite efforts aimed at curbing the release of such gases. One potentially long-term solution for offsetting these emissions is the capture and storage of carbon dioxide. In principle, fluid or gaseous carbon dioxide can be injected into the Earth’s crust and locked up as carbonate minerals through chemical reactions with calcium and magnesium ions supplied by silicate minerals. This process can lead to near-permanent and secure sequestration, but its feasibility depends on the ease and vigour of the reactions. Laboratory studies as well as natu- ral analogues indicate that the rate of carbonate mineral formation is much higher in host rocks that are rich in magnesium- and calcium-bearing minerals. Such rocks include, for example, basalts and magnesium-rich mantle rocks that have been emplaced on the continents. Carbonate mineral precipitation could quickly clog up existing voids, presenting a challenge to this approach. However, field and laboratory observations suggest that the stress induced by rapid precipitation may lead to fracturing and subsequent increase in pore space. Future work should rigorously test the feasibility of this approach by addressing reaction kinetics, the evolution of permeability and field-scale injection methods.
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Perry 1979 UMRCC Fisheries Compendium.pdf
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Perry Canvasbacks in the Northeast.pdf
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Perry Wintering Canvasbacks.pdf
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