Mechanical and chemical control of the invasive cordgrass Spartina densiflora and native plant community responses in an estuarine salt marsh
The south american cordgrass, Spartina densiflora, has in- vaded a wide range of saltmarsh areas in southern spain. a field experiment to examine physical and chemical control of S. densiflora, including mowing, herbicide (glyphosate), mowing plus herbicide combination, and the breaking of rhizomes,...
| Autores: | , , , , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 2012 |
| País: | España |
| Institución: | Universidad de Sevilla (US) |
| Repositorio: | idUS. Depósito de Investigación de la Universidad de Sevilla |
| OAI Identifier: | oai:idus.us.es:11441/167350 |
| Acceso en línea: | https://hdl.handle.net/11441/167350 |
| Access Level: | acceso abierto |
| Palabra clave: | Breaking rhizomes Herbicide Invasive species Marshes Mowing |
| Sumario: | The south american cordgrass, Spartina densiflora, has in- vaded a wide range of saltmarsh areas in southern spain. a field experiment to examine physical and chemical control of S. densiflora, including mowing, herbicide (glyphosate), mowing plus herbicide combination, and the breaking of rhizomes, was conducted in low-gradient marsh invaded by S. densiflora to find a means of controlling this invasive spe- cies. the growth parameters of density, as well as species rich- ness and diversity, were used to assess the efficacy of differ- ent treatments in december 2007 and 2008. all treatments reduced live tiller density of S. densiflora after 1 and 2 years of treatment. Compared to the control, the reductions in tiller density with rhizome breaking, mowing plus herbicide, mow- ing, and herbicide application were 85, 65, 56, and 38% and 66, 70, 52, and 52% after 1 and 2 years of treatment respec- tively. despite a reduction in S. densiflora abundance, none of the treatments eradicated this species completely. However, rhizome breaking and mowing plus herbicide treatments proved to have the highest control efficiency, and plots treat- ed with these treatments contained the highest values of na- tive species richness and diversity. |
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