Publicación/2021/S.Buchan, I.Perez-Santos, D.Narvaez, L.Castro, K.Stafford, M.Baumgartner, A.Valle-Levinson, P.Montero, L.Gutierrez, C.Rojas, G.Daneri, S.Neira. Intraseasonal variation in southeast Pacific blue whale acoustic presence, zooplankton backscatter, and oceanographic variables on a feeding ground in Northern Chilean Patagonia