An Unprecedented Bloom of Oceanic Dinoflagellates (Karenia spp.) Inside a Fjord within a Highly Dynamic Multifrontal Ecosystem in Chilean Patagonia

ÁM Baldrich, PA Díaz, SA Rosales… - Toxins, 2024 - mdpi.com
At the end of summer 2020, a moderate (~ 105 cells L− 1) bloom of potential fish-killing
Karenia spp. was detected in samples from a 24 h study focused on Dinophysis spp. in the …

Genetic homogeneity and weak signatures of local adaptation in the marine mussel Mytilus chilensis

NI Segovia, D Coral-Santacruz, PA Haye - Scientific Reports, 2024 - nature.com
The natural populations of the marine mussel Mytilus chilensis and the associated
aquaculture industry forms a sensitive social-ecological system that relies on the released …

Small and patchy is enough: An example about how toxic HAB events can spread through low resting cyst loads

C Rodríguez-Villegas, RI Figueroa, ÁM Baldrich… - Harmful algae, 2023 - Elsevier
The frequency of harmful algal blooms (HABs) has increased over the last two decades, a
phenomenon enhanced by global climate change. However, the effects of climate change …

A simple approach to represent precipitation-derived freshwater fluxes into nearshore ocean models: an FVCOM4. 1 case study of Quatsino Sound, British Columbia

K Rutherford, L Bianucci, W Floyd - Geoscientific Model …, 2024 - gmd.copernicus.org
High-resolution numerical ocean models can be used to help interpret sparse observations
in the nearshore and to help understand the impacts of climate change and extreme events …

Satellite-Derived Variability of Sea Surface Salinity and Geostrophic Currents off Western Patagonia

GS Saldías, PA Figueroa, D Carrasco, DA Narváez… - Remote Sensing, 2024 - mdpi.com
The coastal ocean off western Patagonia is one of the main coastal regions with high
freshwater inputs from rivers, rain, and glaciers in the Southern Hemisphere. This study …

Oxygen dynamics in a deep‐silled fjord: Tight coupling to the open shelf

CG Hannah, SC Johannessen… - Limnology and …, 2024 - Wiley Online Library
Oxygen is declining globally in subsurface seawater. Fjords are particularly susceptible to
hypoxia, because entrance sills restrict water circulation. We studied the oxygen dynamics of …

[HTML][HTML] Deep Turbulence as a Novel Main Driver for Multi-Specific Toxic Algal Blooms: The Case of an Anoxic and Heavy Metal-Polluted Submarine Canyon That …

C Rodríguez-Villegas, I Pérez-Santos, PA Díaz… - Microorganisms, 2024 - mdpi.com
Over the recent decades, an apparent worldwide rise in Harmful Algae Blooms (HABs) has
been observed due to the growing exploitation of the coastal environment, the exponential …

[HTML][HTML] Fjord circulation permits a persistent subsurface water mass in a long, deep mid-latitude inlet

L Bianucci, JM Jackson, SE Allen, MV Krassovski… - Ocean …, 2024 - os.copernicus.org
Fjords are deep nearshore zones that connect watersheds and oceans, typically behaving
as an estuary. In some fjords, strong katabatic winds in winter (also known as Arctic outflow …

On the phenology of coastal upwelling off central-southern Chile

R Muñoz, OA Vergara, PA Figueroa… - … of Atmospheres and …, 2023 - Elsevier
Coastal upwelling is the dominant physical process triggering high biological productivity in
Eastern Boundary Upwelling Systems (EBUS). These regions are characterized by intense …

Oceanographic processes driving low-oxygen conditions inside Patagonian fjords

P Linford, I Pérez-Santos, P Montero, PA Díaz… - …, 2024 - bg.copernicus.org
The dissolved oxygen (DO) levels of coastal ocean waters have decreased over the last few
decades in part because of the increase in surface and subsurface water temperature …