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CONSIDERATIONS ON THE ECOLOGY AND SPREAD OF THE SPECIES REYNOUTRIA JAPONICA HOUTT IN THE BISTRITA RIVER BASIN – FIRST NOTE


B. M. NEGREA1,2, E. PRICOP4, V. STOILOV-LINU1,3


1. Centre of Mountain Economy “CE-MONT” of the National Institute of Economic Research “Costin C. Kiritescu” – INCE, Romanian Academy, 49 Petreni Street, Vatra Dornei, Romania
2. “Ovidius” University of Constanta – Doctoral School of Applied Sciences, Biology, 58 Ion Voda Street, 900525, Constanta, Romania
3. “Alexandru Ioan Cuza” University of Iasi – Faculty of Geography and Geology, Department of Geography, 20A Carol I Blvd., 700505, Romania
4. Piatra Neamt Museum of Natural Sciences, Neamt National Museum Complex, 26 Petru Rares Street, Piatra Neamt, Romania
E-mail: bogdannm@yahoo.com


https://zenodo.org/doi/10.5281/zenodo.10397284
https://ssrn.com/abstract=4669264

Abstract

This contribution aims to provide a brief overview of the spread of Reynoutria japonica Houtt. plant species in the Bistrita River basin. The paper is part of a larger study that refers to the impact of the most aggressive non-native plants in the Bistrita basin. Our goal is to study and record the presence, distribution and impact of these non-native plant species. The study took place along the entire Bistrita River basin and on the valleys of its main tributaries. This non-native species of Asian origin has experienced an explosive spread in the last decade in many areas of Romania. In the studied area it proves to be particularly aggressive with the riparian areas where it settles. The spread of this species is attributed to several factors that we will discuss here. Reynoutria japonica Houtt. causes major losses from an economic point of view but primarily from a biodiversity point of view.

Keywords:

Bistrita River basin, Reynoutria japonica, wet meadows, anthropization, non-native species, riparian habitats

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