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Influence of abiotic factors on the composition and abundance of aquatic ferns occurring in the state of Paraíba, Brazil

Influence of abiotic factors on the composition and abundance of aquatic ferns occurring in the... Aquatic ecosystems are influenced by water quality and the surrounding environment, and changes to such ecosystems exert an effect on species. The aim of the present study was to relate the composition/abundance of species of aquatic ferns to both abiotic factors of water quality (total phosphorus and chlorophyll a) and the characteristics of the surrounding environment (rural, urban and vegetation). We analyzed 53 aquatic ecosystems in the state of Paraíba with lentic characteristics, considering total phosphorus and chlorophyll a as well as the classification of land use and occupation in the surrounding areas. We recorded nine species of aquatic ferns, which demonstrated a preference for environments with good water quality (low concentration of chlorophyll a) as well as sensitivity to rural and urban activities. The individual analysis of the species revealed that abiotic factors exerted an influence on the occurrence and abundance of the species. Cyclosorus interruptus (Willd.) H. Ito proved to be resistant to impacted environments, whereas Marsilea sp. and Ceratopteris thalictroides (L.) Brongn proved to be bioindicators of water quality. Our study revealed species considered bioindicators of good water quality and identified changes in the composition/abundance of the species in relation to different land uses. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aquatic Ecology Springer Journals

Influence of abiotic factors on the composition and abundance of aquatic ferns occurring in the state of Paraíba, Brazil

Goetz, Milena; Dantas, Ênio; Barros, Iva
Aquatic Ecology , Volume 53 (4) – Jul 5, 2019
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References (82)

Publisher
Springer Journals
Copyright
Copyright © 2019 by Springer Nature B.V.
Subject
Life Sciences; Freshwater & Marine Ecology; Ecosystems
ISSN
1386-2588
eISSN
1573-5125
DOI
10.1007/s10452-019-09708-1
Publisher site
See Article on Publisher Site

Abstract

Aquatic ecosystems are influenced by water quality and the surrounding environment, and changes to such ecosystems exert an effect on species. The aim of the present study was to relate the composition/abundance of species of aquatic ferns to both abiotic factors of water quality (total phosphorus and chlorophyll a) and the characteristics of the surrounding environment (rural, urban and vegetation). We analyzed 53 aquatic ecosystems in the state of Paraíba with lentic characteristics, considering total phosphorus and chlorophyll a as well as the classification of land use and occupation in the surrounding areas. We recorded nine species of aquatic ferns, which demonstrated a preference for environments with good water quality (low concentration of chlorophyll a) as well as sensitivity to rural and urban activities. The individual analysis of the species revealed that abiotic factors exerted an influence on the occurrence and abundance of the species. Cyclosorus interruptus (Willd.) H. Ito proved to be resistant to impacted environments, whereas Marsilea sp. and Ceratopteris thalictroides (L.) Brongn proved to be bioindicators of water quality. Our study revealed species considered bioindicators of good water quality and identified changes in the composition/abundance of the species in relation to different land uses.

Journal

Aquatic Ecology – Springer Journals

Published: Jul 5, 2019

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