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國立台灣大學生物資源暨農學院

植物光生態生理學(Plant Photo-ecophysiology)

第四章 光的性質 (B)

楊棋明 博士

中央研究院生物多樣性研究中心Email: cmyang@gate.sinica.edu.tw

Tel: 02-27821258#612, 613

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1. 綜論 (Introduction)2. 光與植物 (Light and plants)3. 光的性質與光譜學 (Light and spectroscopy)4. 光與光合色素 (Light and photosynthetic pigments)5. 光與光合作用 (Light and photosynthesis)6. 光與非光合色素 (Light and nonphotosynthetic pigments)7. 光與 VAZ 循環 (Light and VAZ cycle)8. 光與光敏素 (Light and phytochrome)9. 期中考試及繳交書面報告大綱 (Mid-term exam and Outline of term paper)10.光與酶 (Light and enzyme)11.光與基因表現 (Light and gene expression)12.光與植被 (light and vegetation)13.光與生理生態 / 生態生理 (Light and physio-ecology or eco-physiology)14.口頭報告 (Oral presentation)15.口頭報告 (Oral presentation)16.期末考試 (Final exam)

課程內容

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Measurement of radiant energy (1): light quantity

1. Photometric methods2. Radiometric methods3. Quantum methods

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Terminology, energy units and definition of radiation

1 µmol m-2S-1

=1 µE m-2S-1

1 mol m-2S-1

=1 E m-2S-1

Light quantity

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The spectrum of sunlight

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Spectral distribution of sunlight incident on atmosphere

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Light filters (1)

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Light filters (2)

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Factors modifying the daylight spectrum

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Spectroradiometric patterns in different natural light environments

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The Lambert cosine law

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UV radiation

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UV radiation

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Changes in the blue : red ratio of daylight

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Seasonal changes in daylength at different latitudes

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Ratios of R : Fr radiation in various environments (1)

多泥碳的石灰質的

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Ratios of R : Fr radiation in various environments (2)

海灣

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Spectral distribution of irradiation in marine environments

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Relative spectral energy distribution of incandescent lamps at different temperatures

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Characteristics of common artificial sources of radiant energy

(350-900 nm)

Deuterium lamp (~190-350 nm)

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Spectra of various types of discharge source of artificial radiation

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Sunflecks (1)

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Sunflecks (2)

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Sunflecks (3)

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Sunflecks (4)

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Artificial lighting for plant growth (1)

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Artificial lighting for plant growth (2)

Fluence rate＞＞＞ Spectral distribution

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Artificial lighting for plant growth (3)

Spectral distribution ＞＞＞ Fluence rate

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Artificial lighting for plant growth (4)

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Summary

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Moonlight and starlight (1)

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Moonlight and starlight (2)

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Spectroradiometric patterns in different natural light environments

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Photons and ratios of R : Fr radiation in various environments

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Hypothetical effects of moonlight on R : FR ratios

Day

Night

Day

Moonless or overcast night

Daylight

SunsetLow R/Fr

SunriseLow R/Fr

Moonlight

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Gap light index (GLI)

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Have you a nice day