Diversidad de rotiferos en fitotelmas de Aechmea nidularioides L.B.Sm. (BROMELIACEAE) en varillal alto seco de la reserva nacional Allpahuayo – Mishana, Iquitos
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Universidad Nacional de la Amazonía Peruana
Abstract
Con la finalidad de conocer la diversidad de rotíferos en las fitotelmas de Aechmea nidularioides L.B.Sm. (Bromeliaceae), se realizaron muestreos al azar desde diciembre de 2018 a marzo de 2019 en cinco parches de Varillal Alto Seco de la Reserva Nacional Allpahuayo Mishana (RNAM). En cada fitotelma se colectó 5 ml agua con detritus usando una pipeta de 10 ml y colocadas en tubos de ensayo y trasladados al laboratorio de Ecología y Fauna para su observación microscópica. Se identificaron cuatro especies que pertenecen a dos familias de rotíferos: Philodina sp., Rotaria sp. (Philodinidae), y Monostyla hamata y Lecane leontina (Lecanidae). Aunque el número la riqueza de rotíferos fue cubierta en su totalidad evidenciándose en los índices de Chao 2= 4 especies; Jacknife 1= 4.75 especies y Bootstrap = 4.3 especies y en la curva de Clench. Las especies Philodina sp., Rotaria sp. fueron las más abundantes en términos porcentuales y de densidad. Mientras que las otras especies tuvieron menor abundancia. Finalmente se reporta una baja riqueza especifica (Shannon:1.38, Simpson: 0.75 y Margalef: 2.164) de rotíferos en los fitotelmas de Aechmea nidularioides del Varillal Alto Seco de la RNAM.
In order to know the diversity of rotifers in the phytotelms of Aechmea nidularioides L.B.Sm. (Bromeliaceae), random samples were taken from December 2018 to March 2019 in five patches of Varillal Alto Seco of the Allpahuayo Mishana National Reserve (RNAM). In each phytotelm, 5 ml of water with detritus was collected using a 10 ml pipette and placed in test tubes and transferred to the Ecology and Fauna laboratory for microscopic observation. Four species were identified that belong to two families of rotifers: Philodina sp., Rotaria sp. (Philodinidae), and Monostyla hamata and Lecane leontina (Lecanidae). Although the number, the richness of rotifers was covered in its entirety, being evidenced in the Chao indices 2 = 4 species; Jacknife 1 = 4.75 species and Bootstrap = 4.3 species and on the Clench curve. The species Philodina sp., Rotaria sp. were the most abundant in terms of percentage and density. While the other species had less abundance. Finally, a low specific richness (Shannon: 1.38, Simpson: 0.75 and Margalef: 2.164) of rotifers is reported in the phytotelms of Aechmea nidularioides from the Varillal Alto Seco of the RNAM.
In order to know the diversity of rotifers in the phytotelms of Aechmea nidularioides L.B.Sm. (Bromeliaceae), random samples were taken from December 2018 to March 2019 in five patches of Varillal Alto Seco of the Allpahuayo Mishana National Reserve (RNAM). In each phytotelm, 5 ml of water with detritus was collected using a 10 ml pipette and placed in test tubes and transferred to the Ecology and Fauna laboratory for microscopic observation. Four species were identified that belong to two families of rotifers: Philodina sp., Rotaria sp. (Philodinidae), and Monostyla hamata and Lecane leontina (Lecanidae). Although the number, the richness of rotifers was covered in its entirety, being evidenced in the Chao indices 2 = 4 species; Jacknife 1 = 4.75 species and Bootstrap = 4.3 species and on the Clench curve. The species Philodina sp., Rotaria sp. were the most abundant in terms of percentage and density. While the other species had less abundance. Finally, a low specific richness (Shannon: 1.38, Simpson: 0.75 and Margalef: 2.164) of rotifers is reported in the phytotelms of Aechmea nidularioides from the Varillal Alto Seco of the RNAM.
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Rotifera, Fitotelmo, Bromeliaceae, Aechmea nidularioides, Reservas Naturales
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