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SOME ASPECTS CONCERNING THE REPLY REACTIONS OF SOME GYMNOSPERMS TO THE ACTION OF SOLID INDUSTRIAL POLLUTANTS

L. Ivanescu, M. Zamfirache

First published: 2005DOI pendingView metrics

Abstract

The investigations made by us about the micromorphology of the foliar surfaces of two species of gymnosperms in the industrial areas Bicaz and Taşca (the Neamţ District, Romania). The investigations of electronic microscopy (S.E.M.) made up at the level of necrotic and/or chlorosis surfaces (top, middle, basis) of the acicular leaves of Pinus sylvestris and Pinus nigra showed changes of the cuticular surface, their contortion, caused by the total disappearance of the parallelism between the cuticular prints, the chaotic setting of the stomata and their less dimensions, the presence of cuticular clefts, the closing of the ostiols with amorphous wax, which could be an indicator of the “suffering” of the leaf mesophyll in general. The analysis of the foliar surfaces by means of the S.E.M. revealed the role of the solid deposits of industrial origin in the phenomenon of partly defoliation or total one of the individuals, oftenly during the full season of vegetation.

Publication details

Title
SOME ASPECTS CONCERNING THE REPLY REACTIONS OF SOME GYMNOSPERMS TO THE ACTION OF SOLID INDUSTRIAL POLLUTANTS
Authors
L. Ivanescu, M. Zamfirache
Proceedings
5th International Scientific Conference - SGEM2005
Publisher
SGEM Scientific GeoConference
Year
2005
Pages
405-412
ISSN
1314-2704
ISBN
954-918181-2
Language
en
Publication type
Conference Paper
Proceedings contents
Open official contents
References7

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  6. IVANESCU L. and C. TOMA (1997) Modifications morphologiques et structurelles induites par les polluants atmosphériques sur les aiguilles de Pinus nigra Arn. et Pinus sylvestris L., An. st. Univ. Iasi, s. II a, Biol. veget., t. XLIII, pp. 27-34.

  7. IVANESCU L., C. TOMA, I. GO STIN and O. TOMA (2001) Responses of the plants to the action of atmospheric pollutants, Proc. Int. Conf. Ecological Protection of the Planet Earth, Xanthi, Greece, June 5-8 2001, vol. II, pp. 981-986.

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