(1966). doi: 10.3354/meps11923, Herbert, D. A., Perry, W. B., Cosby, B. J., and Fourqurean, J. W. (2011). Global Change Biology, 15(4), 976–991. MD and JH together designed and executed the research project. Leaf surface reflectance appeared to be the most important factor in this variation. Plant Physiology, 84(3), 959–963. Zhang, Q., Ju, W., Chen, J., Wang, H., Yang, F., Fan, W., Huang, Q., Zheng, T., Feng, Y., Zhou, Y., He, M., Qiu, F., Wang, X., Wang, J., Zhang, F., & Chou, S. (2015). J. Exp. Measurement of spectral reflectance provides a fast, nondestructive method for pigment estimation. Quantifying photosynthetic capacity and its relationship to leaf nitrogen content for global-scale terrestrial biosphere models. Inter-specific variations and relationships in leaf traits of major temperate species in northeastern China. Mar. Estimation of corn yield using multi-temporal optical and radar satellite data and artificial neural networks. 0000001394 00000 n Our data suggest that seedlings of this species are also highly susceptible to hypersalinity stress. Asian Journal of Atmospheric Environment. Seagrass survival during pulsed turbidity events: the effects of light deprivation on the seagrasses Halodule pinifolia and Halophila ovalis. Biol. To test hypotheses that the normalized reflectance spectra differed among salinities and between light treatments, a non-parametric two-way analysis of similarity (ANOSIM) was performed. Mar. If you do not receive an email within 10 minutes, your email address may not be registered, Tomlinson, P. B., and Vargo, G. A. Environ. 37, eds K. S. Gould and D. W. Lee (London: Academic Press), 167–192. Sensitivity study of a revised leaf photochemical reflectance index (PRI). Leaf reflectance was measured using the non-imaging high-resolution spectroradiometer FieldSpec 3 (Analytical Spectral Devices – ASD, Panalytical Company, Boulder, CO, USA) with 350 to 2500 nm spectral range and 3 nm spectral resolution (Full-Width-Half-Maximum - FWHM) at 700 nm, 10 nm FWHM at 1400 nm, and 10 nm FWHM at 2100 nm (ASD 2010). Seasonal spectral variation of Zostera noltii and its influence on pigment-based vegetation indices. Am. Assessing spectral indices to estimate the fraction of photosynthetically active radiation absorbed by the vegetation canopy. Mar. Experimental design for Thalassia testudinum seedling mesocosm experiment. Chen, D. C., Wang, S. Q., Huang, K., Zhou, L., Quan-Zhou, Y. U., Wang, H. M., et al. Washington, DC: U.S. Estuaries 22, 445–459. Mean spectral reflectance for T. testudinum seedlings leaves after 14 days exposure to salinity 20, 35, and 50 treatments in full sun (Sun) or under 50–70% light reduction (Shade; n = 4). Specim IQ: Evaluation of a New, Miniaturized Handheld Hyperspectral Camera and Its Application for Plant Phenotyping and Disease Detection. Mar. Geospatial Technologies for Effective Land Governance. In plants, the most important are those that occur during photosynthesis, photorespiration, and NAD(P)H oxidases–peroxidases at cell walls. https://doi.org/10.1007/s10661-020-08736-x, DOI: https://doi.org/10.1007/s10661-020-08736-x, Over 10 million scientific documents at your fingertips. Remote Sensing Technology and Application, 33(2), 267–274. Ecol. Plant Sci. The photochemical reflectance index: an optical indicator of photosynthetic radiation use efficiency across species, functional types, and nutrient levels. 15 Natural Color Color . A method is presented for estimating the quantity of absorbed PAR by wheat FIGURE 4. “Seagrass morphology, anatomy, and ultrastructure,” in Seagrass Biology, Ecology and Conservation, eds A. W. D. Larkum, R. J. Orth, and C. M. Duarte (Dordrecht: Springer), 51–87. (2002). (2012). Feasibility of using consumer-grade unmanned aerial vehicles to estimate leaf area index in Mangrove forest. 159, 1439–1447. 49 In its liquid state, water has relatively low reflectance, with clear water having the greatest reflectance in the blue portion of the visible part of the spectrum. African Journal of Range & Forage Science. Recruitment of Thalassia testudinum seedlings into physically disturbed seagrass beds. doi: 10.1007/s12237-011-9388-4, Hochberg, E. J., Atkinson, M. J., Apprill, A., and Andréfouȅt, S. (2004). Annual Review of Plant Biology, 39(1), 533–594. Mar. Estimation of harvest index in wheat crops using a remote sensing-based approach. 0000004554 00000 n Modelling of sugarcane yield using LISS-IV data based on ground LAI and yield observations. doi: 10.1016/S0304-3770(02)00180-8. This species has high light requirements and is considered to be the climax species in marine seagrass systems (Zieman, 1982). This should be tested as it could have significant management implications with respect to freshwater releases associated with CERP. 0000011382 00000 n Part of Springer Nature. Wenyi Fan. Figure 1. Two-dimensional MDS ordination of reflectance spectra similarity matrices among three salinity treatments (20 = red, 35 = green, and 50 = blue) and two light treatments (▲ = Sun, and ▼ = Shade) for four replicate (R1-R4) T. testudinum seedlings leaves after 14 days exposure (n = 4). A. Photoadaptation and growth of Zostera marina L. (eelgrass) transplants along a depth gradient. Non-enzymatic antioxidants produced during the de-epoxidation processes of the xanthophyll cycle act against ROS. Wilson, K. B., Baldocchi, D. D., & Hanson, P. J. Spectral reflectance [R(λ)] is the fraction (%) of downwelling plane irradiance that reflects upward as a function of wavelength (λ) [R(λ) = Eu(λ)/Ed(λ)]. Impact Factor 4.402 | CiteScore 7.8More on impact ›, Conservation Ecology of Aquatic Plants Changes of Grassland Rain Use Efficiency and NDVI in Northwestern China from 1982 to 2013 and Its Response to Climate Change. PSII efficiency in plants could overcome the chilling and irradiance effect within twenty minutes on their first exposure to light. International Journal of Remote Sensing, 40(14), 5411–5428. Gamon, J. Eur. CAS  0000006686 00000 n The occurrence of extreme hypersaline conditions during the warmer seasons is thought to have played a major role in the two massive die-offs of T. testudinum in Florida Bay (Hall et al., 2016). Plant Sci., 28 June 2017

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