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Lead in particulate deposits and in leaves of roadside plants

100%

Aydinalp C. , Marinova S.

2004

tom 13

nr 2

Lead concentrations were determined for particulates, which were deposited on the leaves of roadside plants in Bursa city of Turkey. The particulates were collected from the leaves and the lead accumulated by the leaves of different species were also measured. A statistically significant correlation was found between the number of passing petrol-fueled vehicles and lead concentrations in the deposits at different designated sites. However, no significant correlation was found between concentration in the deposits and lead accumulated by the leaves. A lead concentration of 32.00 ± 6.8 ppm was the highest concentration in the particulate deposits, while maximum lead accumulated by the leaves was noted as 3.15 ± 1.12 ppm.

Effect of autovehicular emissions on pods and seed germination of some plants

100%

Iqbal M. Z. , Siddiqui A. D.

1996

tom 05

nr 1

Pods of some roadside plants such as Albizia lebbeck, Pongamia pinnata, Dalbergia sissoo, Leucaena leucncephala, Parkensonia aculeata, Sesbania sesban and Tecoma stans collected from the city area showed significant decreases in weight and length as compared to pods collected from a clean area. Azadirachta indica, Delonix regia and Peltophorum pterocarpum showed enhancement in pod weight or length. The seeds of most of the species collected from the polluted areas also showed significant reduction in germination as compared to the seeds of the control area, except Cassia surattensis and Tecoma stans. These two species showed a comparatively higher rate of germination in the polluted seeds. In this germination study the species were found to be resistant in the following order: C. surattensis, T. stans, A. lebbeck, P. pinnata, P. pterocarpum, S. sesban, A. indica, L. leucocephala, P. aculeata, and D. sissoo.

Zroznicowanie zarosli przydroznych w krajobrazie rolniczym Niziny Szczecinskiej

80%

Wrobel M.

Acta Scientiarum Polonorum. Formatio Circumiectus

2005

tom 04

nr 2

49-67