IMIBIO-SL   20937
INSTITUTO MULTIDISCIPLINARIO DE INVESTIGACIONES BIOLOGICAS DE SAN LUIS
Unidad Ejecutora - UE
capítulos de libros
Título:
Native species for Restoration and Conservation of Biodiversity in South America
Autor/es:
M. C. PAGANO, M. A. LUGO, F. S. ARAÚJO, M. A. FERRERO, E. MENOYO, D. STEINAKER.
Libro:
Native Species: Identification, Conservation and Restoration
Editorial:
Nova Science Publishers
Referencias:
Lugar: Nueva York; Año: 2011;
Resumen:
As for terrestrial ecosystems, land-use change probably will have the largest effect on biodiversity, research on native species of both plant and fungi have received more attention for restoration of degraded ecosystems, and for mitigation of the expected effects on biodiversity. Very few studies in South America pointed to the importance of the soil microbiological and biological processes in influencing biodiversity conservation of natural ecosystems. Adequate researches on the mycotrophy of plants are fundamental to the understanding of the ecophysiological characteristics and therefore for improve their conservation. This is also for endangered vegetation, especially under extreme climatic and edaphic environmental conditions. Until recently, the role of native plant endophyte (and, also of symbiotic bacteria or fungi), has received little attention. Studies of aquatic plants, type of endophyte and dominant species colonizing plants demonstrate new reports and the urgent need of more research. Increasingly reports of dark septate endophytes in roots of plants, have received more attention as possible mutualistic. However, it must be kept in mind that symbioses type is also influenced by environmental factors. Little is known about the soil biota and arbuscular mycorrhizal fungi, present in roots of most plant species, also dominating in tropical dry forests and in the Andean region, which could help to deal the uncertainties in future climate and vegetation. Very few studies have been devoted to the consequences of the plant symbioses on the ecosystem functioning. The aim of this review is to explore the current information on soil microbiology influencing biodiversity conservation of natural ecosystems, and to speculate about the management of natural sites focusing on root symbioses. Case studies on Brazilian dry forest and the Andean Puna are provided.