| Table of contents Ecol. apl. vol.20 no.1 Lima Jan./Jun 2021 Original articles | | | | · Predation of Euseius emanus (El Banhawy, 1979) on Oligonychus beeri Estebanes & Baker, 1968 de Tomas de la Cruz, Lelia; Vergara Cobián, Clorinda; Rodríguez Berrío, Alexander; Huanca Maldonado, Javier; Giraldo Mendoza, Alfredo; Carlos Lofego, Antonio
| | | | · Characterization of halotolerant bacteria isolated from the mature-salted process of Engraulis ringens (Jenyns, 1842) “anchoveta” Céspedes-Chombo, Roxana; Zavaleta, Amparo Iris; Calderón-Toledo, Susana; Esquerre-Huallpa, Cynthia; Albrecht-Ruiz, Miguel
| | | | · Vegetative propagation of Retrophyllum rospigliosii (Pilg.) C.N. Page “ulcumano” in sub-irrigation chamber in Chanchamayo / Perú More, Pablo; Cuellar, José; Salazar, Evelin
| | | | · Description in dry season of the microhabitat of the tadpole of Telmatobius macrostomus (Peters, 1873) "Lake Junin frog" in the tributaries of lake Chinchaycocha / Peru Castillo, Luis; Elias, Roberto
| | | | · Number of species according to minimum diameter measured in the montane and premontane forests from selva central of Peru Reynel, Carlos; Fernandez-Hilario, Robin; Quintero, Flavio; Cáceres, Belvi; Palacios-Ramos, Sonia
| | | | · Probabilities of occurrence of atmospheric electric discharges for the Mantaro river basin - Peru, using goes satellite infrared and water vapor bands Flores, Weidi; Acuña, Delia; Calle, Victoria; García, Jerónimo
| | | | · Sustainability of two rice production systems, one under salinity conditions in the Yaguachi area and the other under normal conditions in the Babahoyo irrigation and drainage system, Ecuador Cobos Mora, Fernando Javier; Gómez Pando, Luz Rayda; Reyes Borja, Walter Oswaldo; Medina Litardo, Reina Concepción
| | | | · Efficiency of Eisenia foetida, Eichornia crassipes and calcium hypochlorite in the depuration of domestic wastewater in Moquegua, Peru Cáceres Pom, Deybi Karin; Calisaya Vera, Gisela Milagros; Bedoya-Justo, Edgar
| | | | · Reduction of pH by homolactic fermentation as indicator of fecal coliform inactivation in wastewater Alva-Araujo, Jean Poll; Cano-Arcos, Gustavo A.; Juscamaita-Morales, Juan G.; Quipuzco Ushñahua, Lawrence
| | | Scientific Notes | | | | · Confirmation of the presence of Leopardus pardalis (Linnaeus 1758) (Mammalia: Felidae) for Sauce Grande sector in El Angolo Game Reserve, Piura, Peru Elias Piperis, Roberto Kosmas; Valentin Meza, Pilar; Vásquez Ruesta, Pedro Gonzalo
| | | Review Article | | | | · Downgrading, downsizing and degazetting of Protected Areas in Peru Dourojeanni, Marc J.
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