Analysis of mortality and expectation of life of Acartia californiensis Trinast (Calanoid:Copepod) under laboratory conditions
In order to analyze mortality and expectation of life of the calanoid copepod Acartia californiensis Trinast during its life cycle an experiment was carried out under laboratory conditions (17ºC + 1ºC and 35‰). Eggs from adults collected in Estero de Punta Banda, Baja California, Mexico, were obtain...
Guardado en:
| Autores principales: | , |
|---|---|
| Formato: | Online |
| Lenguaje: | eng |
| Publicado: |
Iniversidad Autónoma de Baja California
1991
|
| Acceso en línea: | https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/847 |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| id |
oai:cienciasmarinas.com.mx:article-847 |
|---|---|
| record_format |
ojs |
| institution |
Ciencias Marinas |
| collection |
OJS |
| language |
eng |
| format |
Online |
| author |
Trujillo-Ortíz, A Arroyo-Ortega, JE |
| spellingShingle |
Trujillo-Ortíz, A Arroyo-Ortega, JE Analysis of mortality and expectation of life of Acartia californiensis Trinast (Calanoid:Copepod) under laboratory conditions |
| author_facet |
Trujillo-Ortíz, A Arroyo-Ortega, JE |
| author_sort |
Trujillo-Ortíz, A |
| title |
Analysis of mortality and expectation of life of Acartia californiensis Trinast (Calanoid:Copepod) under laboratory conditions |
| title_short |
Analysis of mortality and expectation of life of Acartia californiensis Trinast (Calanoid:Copepod) under laboratory conditions |
| title_full |
Analysis of mortality and expectation of life of Acartia californiensis Trinast (Calanoid:Copepod) under laboratory conditions |
| title_fullStr |
Analysis of mortality and expectation of life of Acartia californiensis Trinast (Calanoid:Copepod) under laboratory conditions |
| title_full_unstemmed |
Analysis of mortality and expectation of life of Acartia californiensis Trinast (Calanoid:Copepod) under laboratory conditions |
| title_sort |
analysis of mortality and expectation of life of acartia californiensis trinast (calanoid:copepod) under laboratory conditions |
| description |
In order to analyze mortality and expectation of life of the calanoid copepod Acartia californiensis Trinast during its life cycle an experiment was carried out under laboratory conditions (17ºC + 1ºC and 35‰). Eggs from adults collected in Estero de Punta Banda, Baja California, Mexico, were obtained and cultured until the adult stage. They were fed with microalgae Tetraselmis sp. and Isochrysis tahitiana. During the development of the organisms, the maximum mortality rate was observed in the naupliar stages. Based on a horizontal stage-specific life table, the mean expectation of life or further life for animals alive in the population showed the highest rates for the nauplii-I to nauplii-VI stages (3.98 days ± 0.61 SD); the lowest rates were recorded for the copepodid stages (2.26 days ± 1.05 SD). According to a horizontal age specific life table, during the first ten days of life of an organism, survival and expectation of life were of 0.67 ± 0.24 SD and 6.45 days ±0.82 SD, respectively. On the other hand, these rates decreased up to 0.183 ± 0.13 SD for survival, and 2.30 days ±1.32 SD for expectation of life during the last days of the experiment. The differences between the results of each type of table are probably due to the integration effect on the horizontal stage-specific table. Variations of mortality and expectation of life are probably due to the kind of food and the metabolism variations of the organism by stage. This study supplements the information on development of the life cycle and reproductive biology of A. californiensis, dominant zooplankton in the estuary zones of the northeastern Pacific. |
| publisher |
Iniversidad Autónoma de Baja California |
| publishDate |
1991 |
| url |
https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/847 |
| _version_ |
1715724018763431936 |
| spelling |
oai:cienciasmarinas.com.mx:article-8472020-06-06T01:45:35Z Analysis of mortality and expectation of life of Acartia californiensis Trinast (Calanoid:Copepod) under laboratory conditions Análisis de la mortalidad y esperanza de vida de Acartia califoriensis Trinast (Copepoda: Calanoida) baja condiciones de laboratorio Trujillo-Ortíz, A Arroyo-Ortega, JE n/a n/a In order to analyze mortality and expectation of life of the calanoid copepod Acartia californiensis Trinast during its life cycle an experiment was carried out under laboratory conditions (17ºC + 1ºC and 35‰). Eggs from adults collected in Estero de Punta Banda, Baja California, Mexico, were obtained and cultured until the adult stage. They were fed with microalgae Tetraselmis sp. and Isochrysis tahitiana. During the development of the organisms, the maximum mortality rate was observed in the naupliar stages. Based on a horizontal stage-specific life table, the mean expectation of life or further life for animals alive in the population showed the highest rates for the nauplii-I to nauplii-VI stages (3.98 days ± 0.61 SD); the lowest rates were recorded for the copepodid stages (2.26 days ± 1.05 SD). According to a horizontal age specific life table, during the first ten days of life of an organism, survival and expectation of life were of 0.67 ± 0.24 SD and 6.45 days ±0.82 SD, respectively. On the other hand, these rates decreased up to 0.183 ± 0.13 SD for survival, and 2.30 days ±1.32 SD for expectation of life during the last days of the experiment. The differences between the results of each type of table are probably due to the integration effect on the horizontal stage-specific table. Variations of mortality and expectation of life are probably due to the kind of food and the metabolism variations of the organism by stage. This study supplements the information on development of the life cycle and reproductive biology of A. californiensis, dominant zooplankton in the estuary zones of the northeastern Pacific. Se llevó a cabo un experimento bajo condiciones de laboratorio (17ºC ± 1ºC y 35‰) con el propósito de analizar la mortalidad y la esperanza de vida del copépodo calanoideo Acartia californiensis Trinast, durante su ciclo de vida. Se obtuvieron huevos a partir de adultos colectados en el Estero de Punta Banda, Baja California, México y se cultivaron hasta el estadio de adulto, alimentados con las microalgas Tetraselmis sp. y Isochrysis tahitiana. Se observaron, durante el desarrollo de los organismos, valores máximos de mortalidad durante las fases naupliares. Con base en una tabla de vida horizontal especifica por estadios, el tiempo de sobrevivencia promedio de un individuo sobreviviente en la población, mostró valores máximos para los estadios de nauplio-I a nauplio-VI (3.98 días ± 0.61 DS); los valores mínimos se registraron para los estadios copepoditos (2.26 días ± 1.05 DS). Según los resultados de una tabla de vida horizontal específica por edad, durante los primeros diez días de vida de los organismos, la sobrevivencia y la esperanza de vida fue de 0.67 ± 0.24 DS y 6.45 días ± 0.82 DS, respectivamente. Por otra parte, estos valores disminuyeron hasta 0.183 ± 0.13DS para la sobrevivencia y 2.30 días ± 1.32 DS para la esperanza de vida durante los últimos días del experimento. Las diferencias entre los resultados de cada tipo de tabla probablemente se deben al efecto de integración de la tabla horizontal específica por estadio. Las variaciones de mortalidad y esperanza de vida probablemente se debieron a la naturaleza del alimento y a las variaciones del metabolismo por estadio de los individuos. Este estudio complementa la información sobre el desarrollo del ciclo de vida y la biología reproductiva de A. californiensis, zooplanctonte dominante en las zonas estuarinas del Pacífico nororiental. Iniversidad Autónoma de Baja California 1991-03-06 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/847 10.7773/cm.v17i4.847 Ciencias Marinas; Vol. 17 No. 4 (1991); 11-18 Ciencias Marinas; Vol. 17 Núm. 4 (1991); 11-18 2395-9053 0185-3880 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/847/771 |
@UABCInstitucional
UABC_Oficial
@UABC_Oficial
Tel: +52 686 551 82 00
cienciaabierta@uabc.edu.mx