ISSN 2285-5785, ISSN CD-ROM 2285-5793, ISSN ONLINE 2285-5807, ISSN-L 2285-5785
 

MORPHO-ANATOMY AND ADAPTATION TO SOME ROMANIAN AQUATIC ENVIRONMENTS OF Nymphoides peltata (GMEL.) O. KUNTZE (Asterales: Menyanthaceae)

Published in Scientific Papers. Series A. Agronomy, Vol. LIX
Written by Emilia Brînduşa SĂNDULESCU, Gina VASILE SCĂEŢEANU, Tudor ŞCHIOPU, Nicoleta OLTENACU, Mala-Maria STAVRESCU-BEDIVAN

The adaptative changes to the aquatic environments are noticed in yellow floating heart, by anatomical analysis of its vegetative organs and reported herein. Also, in order to follow the preference of this plant species for physicalchemical parameters of the studied habitat, some water analyses were performed such as: pH, chemical oxygen demand, total hardness, ammonium nitrogen (N-NH4+), nitrite nitrogen (N-NO2-), nitrate nitrogen (N-NO3-) and phosphate phosphorus (P-PO43-). With respect to pH values, the results indicated that both sampling areas (Bugeac Lake, North Dobrudja and Crişan, in the Danube Delta Biosphere Reserve) are within recommended range for the ecological status of Nymphoides peltata.

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