Growth and morphological responses of four helophyte
species in an experimental water-depth gradient.
Viitna helophyte vegetation consisted of various rare taxa, but only the occurrence of Phragmites australis and Typha latifolia could be classified as occasional.
Altogether, only one third of the helophyte taxa were represented in surface samples of lake sediments as macrofossils (Table 2).
Rare occurrence of helophyte plant seeds in both studied lakes may be related to their propagation peculiarities.
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.
The hydromorphological indicator of helophyte areas corresponds to the main helophyte distribution between the shoreline of the lake and the 0.
Percent of area Number of area Life form 61 82 Therophytes 22 31 Hemicryptophytes 6 8 Helophytes
4 5 Geophytes 2 3 Phanerophytes 1.
Only current missions are safe for people with disabilities in various forms are permitted under that contract, namely - Mowing and mowing grass parts flat or slightly sloping,- Helophytes
of mowing, hedge trimming, digging massive, hand weeding, raking leaves, collecting trash unpolluted.
All the works are Lot 1: road works and utilities: restoration and creation of paths and pavements coated / creating platforms for installation of modular platforms / establishment of dry ponds for water regulation of flows;Lot 2: rehabilitation of grassy banks and helophytes
plants / rehabilitation of banks in Berlin;Lot 3: drainage work a 18-hole course;Lot 4: modeling and seal a pond on hole No.
work focuses on Lot 1: Construction of roads and other networks: reconstruction and creation of paths and pavements coated / creating platforms for installing modular platforms / establishment of dry basins to control runoff waterLot 2: Rehabilitation works of shoreline grass and plants helophytes
/ rehabilitation of banks in BerlinLot 3: drainage of a 18-hole courseLot 4: Modelling and sealing a pond on the No.
Shoreline restoration that incorporates several technical defenses such as sheet piling, riprap, gabions boxes and mattresses, wood tunage, fascines or willow helophytes
, caissons vegetated beds of seedlings and saplings.
Restoration of shoreline defenses on the river system of Nor-Pas-de-Calais Waterways of France : Shoreline restoration that incorporates several technical defenses such as sheet piling, riprap, gabion boxes and mattresses, wood tunage, fascines or willow helophytes
, caissons vegetated beds of plants and saplings.
Voluntary ex ante transparency notice: works for cultivation and planting helophytes
lake - lake geneva (74)