File:相思樹包埋標本.jpg
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木材來源廣泛,山區森林、平原小樹,只要能夠採伐,皆可做為木料的來源。但若是較少進行農業生產的都市,或是進行製糖、焙茶等需要較大量木財的生產活動時,無法完全靠自己採伐所需木財,這時就需要向山區居民進行交易。因此,木材也成為原漢交易中的重要商品之一。其中,相思樹是原住民族廣泛利用的樹種,除了作為家屋建材外,也是製作新炭的優良原料。此外相思樹也具有固沙、防風與肥沃土地的功能,在清末被廣泛種植於臺灣北部的茶園旁。
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editDescription相思樹包埋標本.jpg |
中文(繁體):相思樹(Acacia confusa)包埋標本,臺北市大同區延平次分區玉泉里(大稻埕河溝頭)
English: Timber comes from a wide array of sources. From forests in the mountains to bushes in the plains, all trees that can be logged can serve as sources of timber. However, in urban areas with limited aqricultural production, or in industries such as sugar and tea production that demand in wood was high, people could not supply all the materials needed and had to trade with mountain communities. Thus, wood became a pivotal commodity in the Indigenous-Han trade. In these exchanges, Taiwan Acacia was a species widely utilized among Indigenous communities. Beyond its use as a construction material, it serves as an ideal source of firewood. Additionally, acacia trees could stabilize sand dunes, serve as windbreaks, and enrich the soil, and were extensively planted around tea plantations in northern Taiwan in the late-Qing era. |
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Source | Own work |
Author | 氏子 |
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current | 14:32, 3 December 2023 | ![]() | 3,448 × 4,592 (8.12 MB) | 氏子 (talk | contribs) | Uploaded own work with UploadWizard |
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Camera manufacturer | Panasonic |
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Camera model | DC-GF9 |
Exposure time | 1/6 sec (0.16666666666667) |
F-number | f/13 |
ISO speed rating | 3,200 |
Date and time of data generation | 15:06, 3 December 2023 |
Lens focal length | 22 mm |
Orientation | Rotated 90° CCW |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Ver.1.1 |
File change date and time | 15:06, 3 December 2023 |
Y and C positioning | Co-sited |
Exposure Program | Shutter priority |
Exif version | 2.3 |
Date and time of digitizing | 15:06, 3 December 2023 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 4.53125 APEX (f/4.81) |
Metering mode | Center weighted average |
Light source | Tungsten (incandescent light) |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 683 |
DateTimeOriginal subseconds | 683 |
DateTimeDigitized subseconds | 683 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 44 mm |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Hard |
Saturation | High saturation |
Sharpness | Hard |