File:Typha domingensis habit5 Gwydir Wetlands NWP - Flickr - Macleay Grass Man.jpg
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DescriptionTypha domingensis habit5 Gwydir Wetlands NWP - Flickr - Macleay Grass Man.jpg | Native, warm season, perennial, robust, erect, rhizomatous, emergent aquatic herb to 4 m tall. Thick, strap-like leaf blades are up to 2 m long and green; upper leaves usually lack a distinct auricle (the top 1 or 2 may be auriculate). Flowerheads consist of a cinnamon to brown cigar-shaped spike of female flowers (less than 20 mm diam) that is 0.5-5 cm below the male flower spike. Flowering is year-round, but principally from late spring to autumn. Widespread in stationary or slow flowing water of drains, creeks, dams and swamps. Moderately salt tolerant. Native biodiversity. Provides important habit for water birds. Stabilises creek banks as the plants trap sediments and slow water flow. Can become a nuisance by clogging irrigation channels and excluding other plant species. Unpalatable to stock except when leaves are newly emerging; emerged leaves are very tough. Can be controlled by cutting below the water line or cutting followed by flooding (most effective in autumn when rhizome energy levels are low, but can also work if repeatedly cut at other times), mechanical removal or spraying with herbicides. Favoured by deep, constant depth water. |
Date | |
Source | Typha domingensis habit5 Gwydir Wetlands NWP |
Author | Harry Rose from Dungog, Australia |
Camera location | 29° 17′ 06.13″ S, 149° 18′ 40.28″ E | View this and other nearby images on: OpenStreetMap | -29.285037; 149.311190 |
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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by Macleay Grass Man at https://flickr.com/photos/73840284@N04/19795270068. It was reviewed on 5 November 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
5 November 2016
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current | 22:14, 5 November 2016 | 4,000 × 3,000 (7.16 MB) | Josve05a (talk | contribs) | == {{int:filedesc}} == {{Information |Description=Native, warm season, perennial, robust, erect, rhizomatous, emergent aquatic herb to 4 m tall. Thick, strap-like leaf blades are up to 2 m long and green; upper leaves usually lack a distinct auricle (t... |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A650 IS |
Exposure time | 1/1,000 sec (0.001) |
F-number | f/2.8 |
ISO speed rating | 80 |
Date and time of data generation | 07:36, 27 November 2008 |
Lens focal length | 7.4 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Picasa |
File change date and time | 11:11, 25 July 2015 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 07:36, 27 November 2008 |
Meaning of each component |
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Image compression mode | 5 |
APEX shutter speed | 9.96875 |
APEX aperture | 2.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 13,745.704467354 |
Focal plane Y resolution | 13,698.630136986 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Portrait |
Unique image ID | 6057b04edad15af6743fe1891a7c9305 |
Keywords |
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IIM version | 4 |