Biochemical characterization of the eelgrass Zostera marina at its southern distribution limit in the North Pacific
The eelgrass Zostera marina L. is distributed along the Baja California Peninsula (Mexico) where it is exposed to a wide range of irradiances and temperatures that could promote changes in its biochemical composition. Consequently, the objective of this study was to characterize the variations in t...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Universidad Autónoma de Baja California
2004-03-01
|
| Series: | Ciencias Marinas |
| Subjects: | |
| Online Access: | https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/123 |
| _version_ | 1797279381335310336 |
|---|---|
| author | A Cabello-Pasini R Muñoz-Salazar DH Ward |
| author_facet | A Cabello-Pasini R Muñoz-Salazar DH Ward |
| author_sort | A Cabello-Pasini |
| collection | DOAJ |
| description |
The eelgrass Zostera marina L. is distributed along the Baja California Peninsula (Mexico) where it is exposed to a wide range of irradiances and temperatures that could promote changes in its biochemical composition. Consequently, the objective of this study was to characterize the variations in the levels of chlorophyll, carbohydrates, proteins, fiber, ash and calories in the shoots of Z. marina from the north (San Quintín) and south (Ojo de Liebre and San Ignacio lagoons) of the peninsula. Temperature in the southern lagoons was 5–6ºC higher than in the northern lagoon; likewise, in situ irradiance was two-fold greater in the south than in the north. As a result of the lower irradiance levels, the concentration of chlorophyll in the shoots of Z. marina was twice as high (1.7 mg gWW–1) in the northern lagoon than in the southern ones (0.8 mg gWW–1). Similar to chlorophyll levels, the concentration of soluble carbohydrates in the shoots was greater in the northern lagoon than in the southern ones, suggesting that the high levels of chlorophyll are enough to compensate for the low irradiance levels and to maintain a positive carbon balance at San Quintín. On the other hand, the levels of proteins in the shoots from the north of the peninsula were slightly lower than those from the southern populations. In general, these results suggest that the different environmental conditions to which Z. marina is exposed along the peninsula impact its biochemical composition.
|
| first_indexed | 2024-03-07T16:24:26Z |
| format | Article |
| id | doaj.art-470807afa894487ea22e03de36647565 |
| institution | Directory Open Access Journal |
| issn | 0185-3880 2395-9053 |
| language | English |
| last_indexed | 2024-03-07T16:24:26Z |
| publishDate | 2004-03-01 |
| publisher | Universidad Autónoma de Baja California |
| record_format | Article |
| series | Ciencias Marinas |
| spelling | doaj.art-470807afa894487ea22e03de366475652024-03-03T18:41:11ZengUniversidad Autónoma de Baja CaliforniaCiencias Marinas0185-38802395-90532004-03-01301A10.7773/cm.v30i11.123Biochemical characterization of the eelgrass Zostera marina at its southern distribution limit in the North PacificA Cabello-Pasini0R Muñoz-Salazar1DH Ward2Universidad Autónoma de Baja CaliforniaUniversidad Autónoma de Baja CaliforniaAlaska Science Center The eelgrass Zostera marina L. is distributed along the Baja California Peninsula (Mexico) where it is exposed to a wide range of irradiances and temperatures that could promote changes in its biochemical composition. Consequently, the objective of this study was to characterize the variations in the levels of chlorophyll, carbohydrates, proteins, fiber, ash and calories in the shoots of Z. marina from the north (San Quintín) and south (Ojo de Liebre and San Ignacio lagoons) of the peninsula. Temperature in the southern lagoons was 5–6ºC higher than in the northern lagoon; likewise, in situ irradiance was two-fold greater in the south than in the north. As a result of the lower irradiance levels, the concentration of chlorophyll in the shoots of Z. marina was twice as high (1.7 mg gWW–1) in the northern lagoon than in the southern ones (0.8 mg gWW–1). Similar to chlorophyll levels, the concentration of soluble carbohydrates in the shoots was greater in the northern lagoon than in the southern ones, suggesting that the high levels of chlorophyll are enough to compensate for the low irradiance levels and to maintain a positive carbon balance at San Quintín. On the other hand, the levels of proteins in the shoots from the north of the peninsula were slightly lower than those from the southern populations. In general, these results suggest that the different environmental conditions to which Z. marina is exposed along the peninsula impact its biochemical composition. https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/123Zostera marinaBaja Californiachemical compositionchlorophyllseasonality |
| spellingShingle | A Cabello-Pasini R Muñoz-Salazar DH Ward Biochemical characterization of the eelgrass Zostera marina at its southern distribution limit in the North Pacific Ciencias Marinas Zostera marina Baja California chemical composition chlorophyll seasonality |
| title | Biochemical characterization of the eelgrass Zostera marina at its southern distribution limit in the North Pacific |
| title_full | Biochemical characterization of the eelgrass Zostera marina at its southern distribution limit in the North Pacific |
| title_fullStr | Biochemical characterization of the eelgrass Zostera marina at its southern distribution limit in the North Pacific |
| title_full_unstemmed | Biochemical characterization of the eelgrass Zostera marina at its southern distribution limit in the North Pacific |
| title_short | Biochemical characterization of the eelgrass Zostera marina at its southern distribution limit in the North Pacific |
| title_sort | biochemical characterization of the eelgrass zostera marina at its southern distribution limit in the north pacific |
| topic | Zostera marina Baja California chemical composition chlorophyll seasonality |
| url | https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/123 |
| work_keys_str_mv | AT acabellopasini biochemicalcharacterizationoftheeelgrasszosteramarinaatitssoutherndistributionlimitinthenorthpacific AT rmunozsalazar biochemicalcharacterizationoftheeelgrasszosteramarinaatitssoutherndistributionlimitinthenorthpacific AT dhward biochemicalcharacterizationoftheeelgrasszosteramarinaatitssoutherndistributionlimitinthenorthpacific |