water fern उदाहरण वाक्य

उदाहरण वाक्य

1. The single living species, " "'Regnellidium diphyllum " "', the two-leaf water fern, is native to southeastern Brazil and adjacent regions of Argentina.
2. Tuan s 30 experiments involved observing Vietnam from space, life sciences ( including tests of growth of Vietnamese azolla water ferns, with application to future closed-loop life support systems ), and materials processing.
3. Studies of fish from warmwater streams shows a preponderance of algae in the stomach ( 60-80 % ), and they are also known to feed on the roots of " Azolla " ( floating water ferns ).
4. Floating plants can absorb and filter heavy metals . " Eichhornia crassipes " ( water hyacinth ), " Lemna " ( duckweed ) and " Azolla " ( water fern ) store iron and copper commonly found in wastewater.
5. In assessing the current biodiversity status in the country, the DENR cited exotic species that were introduced at various times in Philippine waters : the giant catfish, black bass, white goby, marine toad, American Bullfrog, Leopard Frog, Golden apple snail, water hyacinth, and water fern.
6. Fern diversity decreases, as a result, because of the decrease in light from the understorey . " Blechnum wattsii " ( hard water fern ) is the main ground fern; it prefers damp shaded areas and forms a very dense layer in some areas but can be absent in others.
7. Two particular members of the genus are often grown as immersed water plants in aquaria, " B . heudelotii ", and " B . heteroclita " . " B . heudelotii ", the African water fern, normally grows submerged in its native habitat, while " B . heteroclita " normally grows on the margin of water bodies, but will also grow submerged.
8. Blue green algae belonging to a general cyanobacteria genus, " Nostoc " or " Anabaena " or " Tolypothrix " or " Aulosira ", fix atmospheric nitrogen and are used as inoculations for paddy crop grown both under upland and low-land conditions . " Anabaena " in association with water fern Azolla contributes nitrogen up to 60 kg / ha / season and also enriches soils with organic matter.