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Survival and growth patterns of white spruce (Picea glauca [Moench] Voss) rangewide provenances and their implications for climate change adaptation

Creator:

Lu, Pengxin, Parker, William H., Cherry, Marilyn, Colombo, Steve, Parker, William C., Man, Rongzhou, and Roubal, Ngaire

Abstract:

Intraspecific assisted migration (ISAM) through seed transfer during artificial forest regeneration has been suggested as an adaptation strategy to enhance forest resilience and productivity under future climate. In this study, we assessed the risks and benefits of ISAM in white spruce based on long-term and multilocation, rangewide provenance test data....

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Article

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-series rangewide test. Green shading in map (A) indicates the natural range of white spruce
Isotopic constraints on the pre-industrial oceanic nitrogen budget

Creator:

Somes, C. J., Oschlies, A., and Schmittner, A.

Abstract:

The size of the bioavailable (i.e., “fixed”) nitrogen inventory in the ocean influences global marine productivity and the biological carbon pump. Despite its importance, the pre-industrial rates for the major source and sink terms of the oceanic fixed nitrogen budget, N₂ fixation and denitrification, respectively, are not well known. These...

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Article

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) from the isotope effect of water column N-loss in limWCD=20 (blue), limWCD=26 (green), limWCD=32 (red