Efectos antrópicos sobre las praderas sumergidas de carófitos en una laguna cárstica
Charophytes are submerged macrophyte algae often found in diverse aquatic habitats. Chara-dominated lakes are typically hard water, calcium-rich and low in phosphate. La Colgada is a 18 m deep, 103 ha small lake located in a tourist area, which has partly resulted in nutrient increases in recent yea...
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| Format: | Article |
| Language: | English |
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Consejo Superior de Investigaciones Científicas
2005-06-01
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| Series: | Anales del Jardín Botánico de Madrid |
| Subjects: | |
| Online Access: | http://rjb.revistas.csic.es/index.php/rjb/article/view/28 |
| _version_ | 1819048842174136320 |
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| author | Alejandro Sosnovsky Santos Cirujano Miguel Ángel Cobelas Miriam Moreno Pérez Elisa Piña |
| author_facet | Alejandro Sosnovsky Santos Cirujano Miguel Ángel Cobelas Miriam Moreno Pérez Elisa Piña |
| author_sort | Alejandro Sosnovsky |
| collection | DOAJ |
| description | Charophytes are submerged macrophyte algae often found in diverse aquatic habitats. Chara-dominated lakes are typically hard water, calcium-rich and low in phosphate. La Colgada is a 18 m deep, 103 ha small lake located in a tourist area, which has partly resulted in nutrient increases in recent years. Chara hispida var. major (Hartm.) R.D. Wood and Chara hispida f. polyacantha (A. Braun) R.D. Wood meadows are extensive in this ecosystem, but their distribution are influenced by human activities. Negligible densities of C. hispida, always covered by epiphytes, were recorded in the shores adjacent to tourist areas. Horizontal cover and biomass distributions were heterogeneous throughout the lake (0,95 ± 0,55 kg DW•m-2), with minimum values nearby the tourist area (0,68 ± 0,32 kg DW•m-2). Charophyte biomass was inversely related to depth in areas not influenced by anthropogenic impacts. However, that relationship did not occur in anthropized areas. The biomass range of Charophytes in La Colgada lake, 0,22-2,27 kg DW•m-2, was much higher than that recorded in other world lakes and wetlands. |
| first_indexed | 2024-12-21T11:22:41Z |
| format | Article |
| id | doaj.art-65de5e85708d44f0b254e1e7b80d585d |
| institution | Directory Open Access Journal |
| issn | 0211-1322 1988-3196 |
| language | English |
| last_indexed | 2024-12-21T11:22:41Z |
| publishDate | 2005-06-01 |
| publisher | Consejo Superior de Investigaciones Científicas |
| record_format | Article |
| series | Anales del Jardín Botánico de Madrid |
| spelling | doaj.art-65de5e85708d44f0b254e1e7b80d585d2022-12-21T19:05:44ZengConsejo Superior de Investigaciones CientíficasAnales del Jardín Botánico de Madrid0211-13221988-31962005-06-01621475210.3989/ajbm.2005.v62.i1.2827Efectos antrópicos sobre las praderas sumergidas de carófitos en una laguna cársticaAlejandro Sosnovsky0Santos Cirujano1Miguel Ángel Cobelas2Miriam Moreno Pérez3Elisa Piña4Dpto. de Producción Animal, Facultad de Agronomía, Universidad de Buenos AiresReal Jardín Botánico, MadridCentro de Ciencias Medioambientales, MadridReal Jardín Botánico, MadridCentro de Ciencias Medioambientales, MadridCharophytes are submerged macrophyte algae often found in diverse aquatic habitats. Chara-dominated lakes are typically hard water, calcium-rich and low in phosphate. La Colgada is a 18 m deep, 103 ha small lake located in a tourist area, which has partly resulted in nutrient increases in recent years. Chara hispida var. major (Hartm.) R.D. Wood and Chara hispida f. polyacantha (A. Braun) R.D. Wood meadows are extensive in this ecosystem, but their distribution are influenced by human activities. Negligible densities of C. hispida, always covered by epiphytes, were recorded in the shores adjacent to tourist areas. Horizontal cover and biomass distributions were heterogeneous throughout the lake (0,95 ± 0,55 kg DW•m-2), with minimum values nearby the tourist area (0,68 ± 0,32 kg DW•m-2). Charophyte biomass was inversely related to depth in areas not influenced by anthropogenic impacts. However, that relationship did not occur in anthropized areas. The biomass range of Charophytes in La Colgada lake, 0,22-2,27 kg DW•m-2, was much higher than that recorded in other world lakes and wetlands.http://rjb.revistas.csic.es/index.php/rjb/article/view/28biomasscharophytesdistributioneutrophicationlakesspain |
| spellingShingle | Alejandro Sosnovsky Santos Cirujano Miguel Ángel Cobelas Miriam Moreno Pérez Elisa Piña Efectos antrópicos sobre las praderas sumergidas de carófitos en una laguna cárstica Anales del Jardín Botánico de Madrid biomass charophytes distribution eutrophication lakes spain |
| title | Efectos antrópicos sobre las praderas sumergidas de carófitos en una laguna cárstica |
| title_full | Efectos antrópicos sobre las praderas sumergidas de carófitos en una laguna cárstica |
| title_fullStr | Efectos antrópicos sobre las praderas sumergidas de carófitos en una laguna cárstica |
| title_full_unstemmed | Efectos antrópicos sobre las praderas sumergidas de carófitos en una laguna cárstica |
| title_short | Efectos antrópicos sobre las praderas sumergidas de carófitos en una laguna cárstica |
| title_sort | efectos antropicos sobre las praderas sumergidas de carofitos en una laguna carstica |
| topic | biomass charophytes distribution eutrophication lakes spain |
| url | http://rjb.revistas.csic.es/index.php/rjb/article/view/28 |
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