Search Results - "Acha, E. M."

Climate-induced year-class fluctuations of whitemouth croaker Micropogonias furnieri (Pisces, Sciaenidae) in the Río de la Plata estuary, Argentina-Uruguay by ACHA, E. M., SIMIONATO, C. G., CAROZZA, C., MIANZAN, H.

“…The whitemouth croaker, Micropogonias furnieri, is exploited by coastal fisheries in the Plata estuary. Its age structure shows the predominance of certain…”
Get full text

Large-scale spatial patterns of benthic assemblages in the SW Atlantic: the Río de la Plata estuary and adjacent shelf waters by GIBERTO, D. A, BREMEC, C. S, ACHA, E. M, MIANZAN, H

“…This study deals with the spatial distribution of macrobenthic communities (biomass and abundance) in the Rio de la Plata estuary, Argentina-Uruguay, and the…”
Get full text

Copepod assemblages in a highly complex hydrographic region by Berasategui, A.D., Menu Marque, S., Gómez-Erache, M., Ramírez, F.C., Mianzan, H.W., Acha, E.M.

“…Community structure and diversity patterns of planktonic copepods were investigated for the Southwestern Atlantic Ocean between 34 and 41°S. Our objectives…”
Get full text

Spatial patterns of ichthyoplankton assemblages in the Río de la Plata Estuary (Argentina-Uruguay) by BERASATEGUI, A. D, ACHA, E. M, FERNANDEZ ARAOZ, N. C

“…Two oceanographic surveys were conducted across the salinity gradient of the Ro de la Plata Estuary during austral late spring and summer. Ichthyoplankton was…”
Get full text

Living in the front : Neomysis americana (Mysidacea) in the Río de la Plata estuary, Argentina-Uruguay by SCHIARITI, A, BERASATEGUI, A. D, GIBERTO, D. A, GUERRERO, R. A, ACHA, E. M, MIANZAN, H. W

“…The Rio de la Plata is one of the main estuarine systems of South America. It is characterized by a salt wedge regime, a well-developed bottom salinity front,…”
Get full text

Southernmost occurrence of Epinephelus marginatus in the south-west Atlantic by Rico, M. R., Acha, E. M.

“…The southernmost occurrence of the dusky grouper Epinephelus marginatus in the south‐west Atlantic (Argentina) was recorded at 36°S, expanding its range 1200…”
Get full text

relationship between marine fronts and fish diversity in the Patagonian Shelf Large Marine Ecosystem by Alemany, D., Acha, E. M., Iribarne, O.

“…To evaluate the relationship between marine fronts and (1) fish diversity patterns, (2) fish biomass distribution, and (3) fish assemblage structure…”
Get full text

Distribution of megafaunal species in the Southwestern Atlantic: key ecological areas and opportunities for marine conservation by González Carman, V., Mandiola, A., Alemany, D., Dassis, M., Seco Pon, J. P., Prosdocimi, L., Ponce de León, A., Mianzan, H., Acha, E. M., Rodríguez, D., Favero, M., Copello, S.

“…During the last centuries, populations of marine megafauna—such as seabirds, turtles, and mammals—were intensively exploited. At present, other threats such as…”
Get full text

Modeling the Offshore Export of Subantarctic Shelf Waters From the Patagonian Shelf by Franco, B. C., Palma, E. D., Combes, V., Acha, E. M., Saraceno, M.

“…It has been suggested that the Subtropical Shelf Front (STSF) could be a preferential site for the detrainment of Subantarctic Shelf Water (SASW) and related…”
Get full text

Marine fronts at the continental shelves of austral South America: Physical and ecological processes by Acha, Eduardo M, Mianzan, Hermes W, Guerrero, Raúl A, Favero, Marco, Bava, José

“…Neritic fronts are very abundant in austral South America, covering several scales of space and time. However, this region is poorly studied from a systemic…”
Get full text

Distribution and behavior of Argentine hake larvae: Evidence of a biophysical mechanism for self-recruitment in northern Patagonian shelf waters by Álvarez-Colombo, G, Dato, C, Macchi, G, Palma, E, Machinandiarena, L, Christiansen, HE, Betti, P, Derisio, C, Martos, P, Castro-Machado, F, Brown, D, Ehrlich, M, Mianzan, H, Acha, EM

“…It has been proposed that vertical movements of planktonic organisms coupled to a horizontally or vertically stratified circulation pattern could describe a…”
Get full text

The role of the Río de la Plata bottom salinity front in accumulating debris by ACHA, Eduardo M, MIANZAN, Hermes W, IRIBARNE, Oscar, GAGLIARDINI, Domingo A, LASTA, Carlos, DALEO, Pedro

“…The Río de la Plata, one of the most important South American estuarine environments, is characterized by a bottom salinity front that generates an ecotone…”
Get full text

Acoustic study of the Río de la Plata estuarine front by Cabreira, A.G., Madirolas, A., Alvarez Colombo, G., Acha, E.M., Mianzan, H.W.

“…During December 1999, a transect 260 km long was carried out along the major axis of the Río de la Plata estuary. Acoustic (120 kHz), oceanographic, and…”
Get full text

Seasonal Variation Observed in Surface Water Temperature of Samborombón Bay, Argentina, Using NOAA-AVHRR and Field Data by LASTA, C, GAGLIARDINI, D, MILOVICH, J, ACHA, E. M

“…Samborombon Bay (30°S, 57°W) is located on the southern boundary of La Plata River estuarine system. Long-term ecological fishery projects carried out in the…”
Get full text

Physical oceanography of the Río de la Plata Estuary, Argentina by Guerrero, Raúl A., Acha, Eduardo M., Framin˜an, Mariana B., Lasta, Carlos A.

“…The Río de la Plata drains the second largest basin of South America. It flows into the Atlantic Ocean generating an estuarine system of about 35, 000 km 2,…”
Get full text

Seasonal egg production of whitemouth croaker in the Rio de la Plata estuary, Argentina-Uruguay by Macchi, Gustavo J, Acha, Eduardo M, Militelli, Maria I

“…The reproductive biology of the whitemouth croaker (Micropogonias furnieri) inhabiting the estuarine waters of the Rio de la Plata (Argentina- Uruguay) was…”
Get full text

Reproduction of black drum (Pogonias cromis) in the Río de la Plata estuary, Argentina by MACCHI, Gustavo J, ACHA, Eduardo M, LASTA, Carlos A

“…The reproductive biology of black drum, Pogonias cromis, collected during August 1998-January 1999 from commercial catches in Samborombon Bay (Rio de la Plata…”
Get full text

Distribución y comportamiento de las larvas de la merluza argentina: Evidencias de un mecanismo biofísico de autorreclutamiento en aguas de la plataforma continental norte de la Patagonia by Álvarez-Colombo, Dato, Macchi, GJ, Palma, Machinandiarena, Christiansen, HE, Betti, Derisio, Martos, Castro-Machado, Brown, Ehrlich, Mianzan, Acha, EM

“…Se ha propuesto que movimientos planctónicos verticales acoplados a patrones de circulación horizontal o verticalmente estratificados podrían describir un…”
Get full text

Spawning of Brazilian menhaden, Brevoortia aurea, in the Rio de la Plata Estuary off Argentina and Uruguay by Acha, E M, Macchi, G J

“…Brazilian menhaden, Brevoortia aurea, is the only species of the genus Brevoortia in South American Atlantic waters and is abundant in the Rio de la Plata…”
Get full text

The impact of Río de la Plata plume favors the small-sized copepods during summer by Cepeda, G.D., Viñas, M.D., Molinari, G.N., Hozbor, M.C., Silva, R.I., Martínez, A., Acha, E.M.

“…The Río de la Plata drains the second largest basin in South America and the fifth-largest in the world. In this study, we analyzed the influence of the…”
Get full text