The importance of photorespiration and alternate pathways for photoenergetics in Metasequoia and other species growing under CL regimes are yet to be explored. Suzuki Marine USA, LLC uses cookies on this site to ensure the best browsing experience by optimizing site functionality, analyzing site activity, and personalizing your experience. Production of low-density stem wood permitted Metasequoia rapidly to overtop potential competitors that were establishing concurrently. Metasequoia could rapidly produce canopies with extensive leaf area, not only efficiently capturing incident light for photosynthesis, but minimizing the transmitted light that would be available for competitors. While the photosynthetic rates of Metasequoia under light intensities typical of the growing season at middle latitudes are clearly much lower than those of sun-adapted conifers, its resource allocation to photosynthetic systems (leaf-level) is close to optimum for the moderate light intensities of the Arctic lowland forests, or cloudier lower palaeolatitudes. Metasequoia possesses an aggregation of characteristics not generally associated with either adaptive strategy, but competitively adaptive at high latitudes. Among the unusual aspects of Metasequoia is a collection of characteristics that do not fit contemporary models of shade-adaptation or sun-adaptation. The temperate continuous light (CL) regime offered both substantial physiological challenges and the potential benefit of high growth rates for species able to overcome those physiological hurdles. You will be able to use all functions of Metasequoia 4 EX with a trial license. This form issues a trial license of Metasequoia 4. Request a trial license of Metasequoia 4. Can I use both for Windows and OS X version. The environment that has been advanced for Eocene high-latitude forests provided a unique combination of light, temperature, and water regimes that offers an unparalleled set of adaptive challenges to plant species. Can I confirm that the exported file by Metasequoia is valid in other software without a. This chapter explores the physiological basis for Metasequoia's success in the Eocene high-Arctic and the ecophysiological attributes that imparted adaptive value to trees inhabiting this unique environment (Eocene high-Arctic).
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