helophyte


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helophyte

a herb in which the perennating bud is formed in mud.
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In terms of life forms, 9% were therophytes, 23% hemicryptophytes, 6% geophytes, 42% chamaephytes, 14% nanophanerophytes, 3% microphanerophytes, and 3% helophytes.
Viitna helophyte vegetation consisted of various rare taxa, but only the occurrence of Phragmites australis and Typha latifolia could be classified as occasional.
The protected waterfowl habitats are composed of open water, hydrophyte, helophyte, open grass and mire scrub sub-wetlands in the investigated lake and its riparian zone.
Percent of area Number of area Life form 61 82 Therophytes 22 31 Hemicryptophytes 6 8 Helophytes 4 5 Geophytes 2 3 Phanerophytes 1.
However, according to these authors, disturbed areas and small fragments are more susceptible to biological invasions, since many of these species are helophytes, which are more easily established in these environments.
The outermost margins (those which are only flooded temporarily) are the most heavily grazed and so the large helophytes cannot grow and must seek refuge where the water is too deep for animals but not too deep to prevent the plant itself from growing.
The effect of remains of helophytes on the growth of Phragmites communis Trin.
This reinforcement will be carried out exclusively by river and is to set up a single sheet pile or caisson stuck in the gravel soils of the Garonne,- Shoreline reinforcement by mixed media on 210 meters (in open riprap stop, three-dimensional geogrid of helophytes plantations)- Cleaning of masonry structures (wall in concrete dams) treatment of vegetation (about 10 km) and high-pressure cleaning (about 4.
Further inland, the vegetation of salt meadows and brackish reed beds is usually more diverse and composed of various communities characterised by rushes and tall helophytes (MOLINA, 1994, 1996; CURCO, 2001; MOLINA & al.
In addition, there are 39 aquatic macro-phytes including 23 hydrophytes and 16 helophytes (Shrestha and Janauer, 2001).