Results 91 to 100 of about 16,841 (216)

A study of water environment purification efficiency by little duckweed Lemna minor L. from heavy metal salts using the energy of electromagnetic radiation and phytoremediant regeneration

open access: yesИзвестия высших учебных заведений. Поволжский регион: Естественные науки, 2021
Background. Works aimed at finding ecological and energy-saving technologies for water purification from heavy metals are very relevant. The purpose of this work is to study the methods of enhancing the completeness of copper, nickel and iron ions ...
O.A. Aref’eva   +2 more
doaj   +1 more source

Nexus água-nutrientes-energia: uma abordagem integrada no tratamento de efluentes suinícolas [PDF]

open access: yes, 2015
A preocupação com os impactes ambientais associados a explorações pecuárias de produção intensiva tem vindo a aumentar nos últimos anos. Em especial, a elevada concentração de azoto e fósforo dos efluentes suinícolas poderá induzir a poluição dos ...
Duarte, Elizabeth   +3 more
core  

Élimination du phénol par deux plantes aquatiques : Juncus fontanesii (Gay) et Lemna minor L. [PDF]

open access: yes, 1998
L'élimination du phénol et de ses dérivés, substances organiques toxiques, fait appel à différents processus physico-chimiques ou biologiques. Certaines plantes aquatiques ont la capacité de déplacer des produits chimiques en les métabolisant, en les ...
Blake, G., Haddad, M., Oueslati, M. A.
core   +1 more source

Attempts at establishing the culture conditions for Lemna minor L.

open access: yesActa Societatis Botanicorum Poloniae, 2015
The influence of the concentration, composition and pH of the substrate as well as of light intensity on the growth and vegetative propagation of Lemna minor L. was investigated. The media of Hutner, Hoagland and Pirson and Seidel were used. At first the
M. Krzychowska   +3 more
doaj   +1 more source

Survey of the lesser silver water beetle Hydrochara caraboides in Cheshire [PDF]

open access: yes, 1997
This is the report on the Survey of the Lesser Silver Water Beetle Hydrochara caraboides in Cheshire 1997 by the English Nature Research Reports. The three surveyed areas were the ponds at Reaseheath, Mickle Trafford and Brookhouse Farm. The report goes
Guest, Jonathan
core  

Leaves play a central role in the adaptation of nitrogen and sulfur metabolism to ammonium nutrition in oilseed rape (Brassica napus) [PDF]

open access: yes, 2010
Background: The coordination between nitrogen (N) and sulfur (S) assimilation is required to suitably provide plants with organic compounds essential for their development and growth.
Aparicio-Tejo, Pedro M.   +7 more
core   +7 more sources

Duckweed does not improve the efficiency of municipal wastewater treatment in lemna system plants / Rzęsa nie poprawia efektywności oczyszczania ścieków komunalnych w oczyszczalniach typu Lemna System

open access: yesArchives of Environmental Protection, 2015
Badania prowadzono w trzech czyszczalniach hydrofi towych z powierzchniowym przepływem ścieków typu Lemna System, zbudowanych według projektu Lemna Corporation.
Ozimek Teresa   +2 more
doaj   +1 more source

Biological Agents of Bioremediation: A Concise Review [PDF]

open access: yes, 2015
Due to intensive agriculture, rapid industrialization and anthropogenic activities have caused environmental pollution, land degradation and increased pressure on the natural resources and contributing to their adulteration.
Biswas, Karabi
core  

On the occurrence of Wolffia arrhiza, Wimm.,in Tasmania. [PDF]

open access: yes, 1925
Marsh plants have generally the widest distribution, and of the Duckweeds these are no exceptions. Lemna minor, L., and Lemna trisulca, L., both cosmopolitan species, are the only plants of this family that have hitherto been recorded from Tasmania ...
Rodway, Leonard
core  

Competition Between Lemna minuta, Lemna minor, and Azolla filiculoides. Growing Fast or Being Steadfast?

open access: yesFrontiers in Chemistry, 2018
A substantial number of Lemnaceae are invasive outside their natural distribution area. Lemna minuta is considered invasive in several European countries, where it can occur in the same habitat as invasive Azolla filiculoides and native Lemna minor. In this study the presence, abundance and growth rates of all three species were monitored across 24 ...
Simona Paolacci   +5 more
openaire   +4 more sources

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