Keywords: Amphora sp.; Asterionellopsis glacialis; Bottle, Niskin; Callao_1096_11; Callao_1096_13; Callao_1096_15; Callao_1096_17; Callao_1096_19; Callao_1096_2; Callao_1096_21; Callao_1096_23; Callao_1096_4; Callao_1096_6; Callao_1096_8; Callao_1096_9; CENSOR; Cerataulina bergonii; Ceratium azoricum; Ceratium furca; Ceratium fusus; Ceratium massiliense; Ceratium pentagonum; Ceratium tripos; Chaetoceros affinis; Chaetoceros compressus; Chaetoceros concavicomis; Chaetoceros curvisetus; Chaetoceros danicus; Chaetoceros debilis; Chaetoceros didymus; Chaetoceros eibenii; Chaetoceros lorenzianus; Climate variability and El Niño Southern Oscillation; Corethron hystrix; Coscinodiscus granii; Coscinodiscus perforatus; Coscinodiscus wailesii; Date/Time of event; DEPTH, water; Detonula pumila; Diatoms, centrales; Dictyocha fibula; Dinophysis acuminata; Dinophysis tripos; Dissodinium elegans; Dissodium asymmetricum; Ditylum brightwellii; Eucampia zoodiacus; Event label; Guinardia delicatula; Guinardia flaccida; Gymnodinium lohmanni; Historical_Peru; Latitude of event; Lauderia borealis; Leptocilyndrus danicus; Lithodesmium undulatum; Longitude of event; Navicula sp.; NIS; off Peru; Phytoplankton, volume; Pianktoniella sol; Pleurosigma sp.; Proboscia alata forma gracillima; Proboscia alata forma indica; Prorocentrum gracile; Prorocentrum micans; Protoperidinium claudicans; Protoperidinium conicum; Protoperidinium depressum; Protoperidinium longispinum; Protoperidinium minutum; Protoperidinium obtusum; Protoperidinium oceanicum; Protoperidinium pellucidum; Protoperidinium steinii; Protoperidinium subinerme; Pseudoeunotia doliolus; Pseudo-nitzschia closterium; Pseudo-nitzschia pungens; Rhizosolenia bergonii; Rhizosolenia chunii; Rhizosolenia robusta; Rhizosolenia stolterfothii; Rhizosolenia styliformis; Skeletonema costatum; Stephanopyxis turris; Temperature, water; Thalassionema nitzschioides; Thalassiosira aestivalis; Thalassiosira angulata; Thalassiosira rotula; Thalassiosira subtilis; Thalassiothrix frauenfeldii; Visual observation