stoneworts การใช้

• The resistant outer walls of stoneworts are from the Paleozoic.
• Aquatic vegetation is dominated by Fragile Stonewort.
• The freshwater stoneworts strongly resemble land plants and are believed to be their closest relatives.
• The lakes are a Special Area of Conservation with white-clawed crayfish and stonewort, as features of interest.
• The green plants or Viridiplantae were traditionally divided into the green algae ( including the stoneworts ) and the land plants.
• Originally grasses such as fennel pondweed, hornwort, pond water-crowfoot and stonewort used to occur in the lake.
• Fossil stoneworts of Devonian age that are similar to those of the present day have been described from the Rhynie chert of Scotland.
• It has the largest reed-bed in England and supports rare waterweeds such as the holly-leaved naiad and three rare species of stonewort.
• The reservoir is listed as a Site of Nature Conservation Interest ( SNCI ) as it has pondweed and stonewort, and common toads breed there.
• There are ten species of stonewort, including chara canescens, which was previously thought to be extinct in Britain, and four other nationally rare species.
• "' Charales "'is an order of freshwater green algae in the division Charophyta, class Charophyceae, commonly known as " stoneworts ".
• Multicellularity evolved separately in several groups, including red algae, ulvophyte green algae, and in the green algae that gave rise to stoneworts and land plants.
• Stowe Pool has limited marginal vegetation, but its water plants include " " Chara aspera " var . " curta " a nationally scarce stonewort.
• The calcareous influence of the underlying Compton soils also encourages whorled water-milfoil " ( Myriophyllum verticillatum ) " and stonewort " ( Chara sp ) ".
• Notwithstanding its eutrophication, the presence of Stoneworts in Fatburen indicates the waters have a relatively high visibility, which, considering it is the last lake in the lake system, is surprising.
• A number of nationally local or rare species of plant have been recorded from the site including Fen pondweed, several species of stonewort including the rare Narrow-leaved marsh orchid and Fly orchid
• The Charales or stoneworts are freshwater algae with slender green or grey stems; the grey colour of many species results from the deposition of lime on the walls, masking the green colour of the chlorophyll.
• Streptophyta to mean the group that excludes the land plants and Charophyta for the stoneworts alone or the stoneworts plus the land plants . ) Streptophyte algae are either unicellular or form multicellular filaments, branched or unbranched.
• Streptophyta to mean the group that excludes the land plants and Charophyta for the stoneworts alone or the stoneworts plus the land plants . ) Streptophyte algae are either unicellular or form multicellular filaments, branched or unbranched.
• The stoneworts ( Charales ) have traditionally been identified as closest to the embryophytes, but recent work suggests that either the Zygnematales or a clade consisting of the Zygnematales and the Coleochaetales may be the sister group to the land plants.