TAILIEUCHUNG - Báo cáo lâm nghiệp: "Ecophysiological responses of Mediterranean pines to simulated sea aerosol polluted with an anionic surfactant: prospects for biomonitoring"

Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài:"Ecophysiological responses of Mediterranean pines to simulated sea aerosol polluted with an anionic surfactant: prospects for biomonitoring" | Ann. For. Sci. 62 2005 351-360 INRA EDP Sciences 2005 DOI forest 2005030 351 Original article Ecophysiological responses of Mediterranean pines to simulated sea aerosol polluted with an anionic surfactant prospects for biomonitoring Andrea RETTORia c Elena PAOLETTib Giovanni Nicolottic Maria Lodovica Gullinoc a . - Plant Pathology University of Torino via Leonardo da Vinci 44 10095 Grugliasco Torino Italy b Institute Plant Protection - CNR via Madonna del Piano 50019 Sesto Fiorentino Firenze Italy c Centre of competence for the Innovation in the agro-environmental sector - AGROINNOVA via Leonardo da Vinci 44 10095 Grugliasco Torino Italy Received 25 March 2004 accepted 25 October 2004 Abstract - Sea aerosol may contain surfactants as pollutants. We examined ecophysiological mechanisms involved in the sensitivity of three Mediterranean pines to five spray treatments with sea water including an anionic surfactant 5 to 500 mg L dioctyl sodium sulphosuccinate. Despite the reduction of surfactant in sea aerosol over the past 20 years Mediterranean pinewoods are still at risk for surfactant pollution since concentrations in the field reach the visible injury threshold here recorded . 2 mg L surfactant deposited on needles. The chloride toxicity threshold was 2 mg g needle dw values exceeded the threshold only when sea water was polluted by more than 30 mg L surfactant. The surfactant altered epistomatal waxy microtubules and thus needle water potential. The phytotoxic effect increased with time even in the absence of further exposures delayed-action effect . Needle chloride content appeared better suited for biomonitoring surveys than structural damage to stomata quantity of epicuticular waxes drop contact angle or midday water potential. All three species were sensitive to injury according to the order P. pinea P. halepensis P. pinaster. Aleppo pine coastal forests maritime pine polluted sea-spray stone pine Résumé - Réponses écophysiologiques de .

• Báo cáo khoa học
• Báo cáo lâm nghiệp hay
• cách trình bày báo cáo
• báo cáo lâm nghiệp
• công trình nghiên cứu lâm nghiệp
• tài liệu về lâm nghiệp