Linda Armbrecht
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View article: Pliocene to modern Southern Ocean diatom biostratigraphy revised using samples from IODP Expedition 382
Pliocene to modern Southern Ocean diatom biostratigraphy revised using samples from IODP Expedition 382 Open
Biostratigraphy is frequently used to generate age models and is significant to understanding the rate and timing of Cenozoic climate change. Records from the Southern Ocean (SO) are particularly valuable in understanding the past behavior…
View article: A 9000-year marine diatom assemblage reconstruction off Eastern Tasmania, Australia, using microfossil and molecular methods
A 9000-year marine diatom assemblage reconstruction off Eastern Tasmania, Australia, using microfossil and molecular methods Open
View article: Rapid DNA Extraction from sediment using spin columns (teaching) v1
Rapid DNA Extraction from sediment using spin columns (teaching) v1 Open
An extraction method for the rapid extraction of DNA from sediment material, using a Lysis Buffer from Rohland et al. (2018) and DNA binding and purification components of a Qiagen Soil DNA extraction kit.
View article: Enhanced sedimentary ancient DNA (sedaDNA) retrieval from Antarctic diatoms
Enhanced sedimentary ancient DNA (sedaDNA) retrieval from Antarctic diatoms Open
View article: BioTIME 2.0: Expanding and Improving a Database of Biodiversity Time Series
BioTIME 2.0: Expanding and Improving a Database of Biodiversity Time Series Open
Motivation Here, we make available a second version of the BioTIME database, which compiles records of abundance estimates for species in sample events of ecological assemblages through time. The updated version expands version 1.0 of the …
View article: A 9,000 Year Marine Diatom Assemblage Reconstruction Off Eastern Tasmania, Australia, Using Microfossil and Molecular Methods
A 9,000 Year Marine Diatom Assemblage Reconstruction Off Eastern Tasmania, Australia, Using Microfossil and Molecular Methods Open
View article: Long term context for Australian bushfires: a Holocene record from Kangaroo Island (Karti/Karta), South Australia
Long term context for Australian bushfires: a Holocene record from Kangaroo Island (Karti/Karta), South Australia Open
View article: Rhizarian High-Rank Assemblage Change Through Time in the Scotia Sea: A Paleo-Genomics Approach (Iodp Exp. 382)
Rhizarian High-Rank Assemblage Change Through Time in the Scotia Sea: A Paleo-Genomics Approach (Iodp Exp. 382) Open
View article: From the Surface Ocean to the Seafloor: Linking Modern and Paleo-Genetics at the Sabrina Coast, East Antarctica (IN2017_V01)
From the Surface Ocean to the Seafloor: Linking Modern and Paleo-Genetics at the Sabrina Coast, East Antarctica (IN2017_V01) Open
With ongoing climate change, research into the biological changes occurring in particularly vulnerable ecosystems, such as Antarctica, is critical. The Totten Glacier region, Sabrina Coast, is currently experiencing some of the highest rat…
View article: Marine sedimentary ancient DNA from Antarctic diatoms
Marine sedimentary ancient DNA from Antarctic diatoms Open
Antarctica is one of the most susceptible regions to climate change on Earth. Rising ocean temperatures, glacier melting, and disruptions of marine ecosystems make this polar region a focus of research on ecosystem transformation associate…
View article: Recovering sedimentary ancient DNA of harmful dinoflagellates accumulated over the last 9000 years off Eastern Tasmania, Australia
Recovering sedimentary ancient DNA of harmful dinoflagellates accumulated over the last 9000 years off Eastern Tasmania, Australia Open
Harmful algal blooms (HABs) have had significant adverse impacts on the seafood industry along the Tasmanian east coast over the past 4 decades. To investigate the history of regional HABs, we performed analyses of sedimentary ancient DNA …
View article: Holocene climate and catchment change inferred from the geochemistry of Lashmars Lagoon, Kangaroo Island (Karti/Karta), southern Australia
Holocene climate and catchment change inferred from the geochemistry of Lashmars Lagoon, Kangaroo Island (Karti/Karta), southern Australia Open
We present a continuous ∼7000-year sedimentary record from Lashmars Lagoon, Kangaroo Island (Karti/Karta), southern Australia, a region heavily impacted by drought and bushfires in recent decades. Records such as this are vital to contextu…
View article: Detection of fish sedimentary <scp>DNA</scp> in aquatic systems: A review of methodological challenges and future opportunities
Detection of fish sedimentary <span>DNA</span> in aquatic systems: A review of methodological challenges and future opportunities Open
Environmental DNA studies have proliferated over the last decade, with promising data describing the diversity of organisms inhabiting aquatic and terrestrial ecosystems. The recovery of DNA present in the sediment of aquatic systems (sedD…
View article: From the Surface Ocean to the Seafloor: Linking Modern and Paleo‐Genetics at the Sabrina Coast, East Antarctica (IN2017_V01)
From the Surface Ocean to the Seafloor: Linking Modern and Paleo‐Genetics at the Sabrina Coast, East Antarctica (IN2017_V01) Open
With ongoing climate change, research into the biological changes occurring in particularly vulnerable ecosystems, such as Antarctica, is critical. The Totten Glacier region, Sabrina Coast, is currently experiencing some of the highest rat…
View article: Ambrecht et al. 2020: An optimized method for the extraction of ancient eukaryote DNA from marine sediments v1
Ambrecht et al. 2020: An optimized method for the extraction of ancient eukaryote DNA from marine sediments v1 Open
Four combinations of sedaDNA extraction treatments using marine sediments collected at a water depth of 104 m off Maria Island in Tasmania are compared. These methods contrast frozen versus refrigerated sediment, bead-beating induced cell …
View article: Holocene Climate and Catchment Change Inferred from the Geochemistry of Lashmars Lagoon, Kangaroo Island (Karti), Southern Australia
Holocene Climate and Catchment Change Inferred from the Geochemistry of Lashmars Lagoon, Kangaroo Island (Karti), Southern Australia Open
View article: Ancient marine sediment DNA reveals diatom transition in Antarctica
Ancient marine sediment DNA reveals diatom transition in Antarctica Open
View article: Latitudinal Variance in the Drivers and Pacing of Warmth During Mid‐Pleistocene MIS 31 in the Antarctic Zone of the Southern Ocean
Latitudinal Variance in the Drivers and Pacing of Warmth During Mid‐Pleistocene MIS 31 in the Antarctic Zone of the Southern Ocean Open
Early Pleistocene Marine Isotope Stage (MIS)‐31 (1.081–1.062 Ma) is a unique interval of extreme global warming, including evidence of a West Antarctic Ice Sheet (WAIS) collapse. Here we present a new 1,000‐year resolution, spanning 1.110–…
View article: Episodes of Early Pleistocene West Antarctic Ice Sheet Retreat Recorded by Iceberg Alley Sediments
Episodes of Early Pleistocene West Antarctic Ice Sheet Retreat Recorded by Iceberg Alley Sediments Open
Ice loss in the Southern Hemisphere has been greatest over the past 30 years in West Antarctica. The high sensitivity of this region to climate change has motivated geologists to examine marine sedimentary records for evidence of past epis…
View article: IODP Expedition 382: Supplementary Tables for "Episodes of early Pleistocene West Antarctic Ice Sheet retreat recorded by Iceberg Alley sediments"
IODP Expedition 382: Supplementary Tables for "Episodes of early Pleistocene West Antarctic Ice Sheet retreat recorded by Iceberg Alley sediments" Open
IODP Expedition 382: Supplementary Tables for "Episodes of early Pleistocene West Antarctic Ice Sheet retreat recorded by Iceberg Alley sediments" Includes SEM QEMSCAN® and 40Ar/39Ar data for International Ocean Disco…
View article: IODP Expedition 382: Supplementary Tables for "Episodes of early Pleistocene West Antarctic Ice Sheet retreat recorded by Iceberg Alley sediments"
IODP Expedition 382: Supplementary Tables for "Episodes of early Pleistocene West Antarctic Ice Sheet retreat recorded by Iceberg Alley sediments" Open
IODP Expedition 382: Supplementary Tables for "Episodes of early Pleistocene West Antarctic Ice Sheet retreat recorded by Iceberg Alley sediments" Includes SEM QEMSCAN® and 40Ar/39Ar data for International Ocean Disco…
View article: IODP Expedition 382: Supplementary Tables for "Episodes of early Pleistocene West Antarctic Ice Sheet retreat recorded by Iceberg Alley sediments"
IODP Expedition 382: Supplementary Tables for "Episodes of early Pleistocene West Antarctic Ice Sheet retreat recorded by Iceberg Alley sediments" Open
IODP Expedition 382: Supplementary Tables for "Episodes of early Pleistocene West Antarctic Ice Sheet retreat recorded by Iceberg Alley sediments" Includes SEM QEMSCAN® and 40Ar/39Ar data for International Ocean Disco…
View article: An Outlook for the Acquisition of Marine Sedimentary Ancient DNA (<i>sed</i>aDNA) From North Atlantic Ocean Archive Material
An Outlook for the Acquisition of Marine Sedimentary Ancient DNA (<i>sed</i>aDNA) From North Atlantic Ocean Archive Material Open
Studies incorporating sedimentary ancient DNA ( sed aDNA) analyses to investigate paleo‐environments have increased considerably over the last few years, and the possibility of utilizing archived sediment cores from previous field campaign…
View article: Antiphased dust deposition and productivity in the Antarctic Zone over 1.5 million years
Antiphased dust deposition and productivity in the Antarctic Zone over 1.5 million years Open
The Southern Ocean paleoceanography provides key insights into how iron fertilization and oceanic productivity developed through Pleistocene ice-ages and their role in influencing the carbon cycle. We report a high-resolution record of dus…
View article: Water masses distribution offshore the Sabrina Coast (East Antarctica)
Water masses distribution offshore the Sabrina Coast (East Antarctica) Open
Current glacier melt rates in West Antarctica substantially exceed those around the East Antarctic margin. The exception is Wilkes Land, where for example Totten Glacier underwent significant retreat between 2000 and 2012, underlining its …
View article: Phytoplankton and oceanography of the Coffs Harbour region, Eastern Australia
Phytoplankton and oceanography of the Coffs Harbour region, Eastern Australia Open
The East Australian Current (EAC) is the Western Boundary Current (WBC) of the South Pacific Gyre, transporting warm water from tropical to temperate latitudes along Eastern Australia. Due to climate change, the EAC is warming and strength…
View article: Phytoplankton and zooplankton abundance off New South Wales (~30°S, 153°E), Australia in 2011/2012
Phytoplankton and zooplankton abundance off New South Wales (~30°S, 153°E), Australia in 2011/2012 Open
Phytoplankton and zooplankton samples were collected monthly along two cross shelf transects (CH-Line, B-Line) and one intermediate coastal station (SS) off Coffs Harbour (~30°S, 153°E), Eastern Australia, between May 2011 and September 20…
View article: Marine Sedimentary Ancient DNA (sedaDNA) from the North Atlantic Ocean
Marine Sedimentary Ancient DNA (sedaDNA) from the North Atlantic Ocean Open
Filtered sedimentary ancient DNA data (megan files), that includes sequence counts per sample. Additionally, scripts for the correlation analysis and heatmap are included.
View article: Marine Sedimentary Ancient DNA (sedaDNA) from the North Atlantic Ocean
Marine Sedimentary Ancient DNA (sedaDNA) from the North Atlantic Ocean Open
Filtered sedimentary ancient DNA data (megan files), that includes sequence counts per sample. Additionally, scripts for the correlation analysis and heatmap are included.
View article: Paleo-diatom composition from Santa Barbara Basin deep-sea sediments: a comparison of <i>18S-V9</i> and <i>diat-rbcL</i> metabarcoding vs shotgun metagenomics
Paleo-diatom composition from Santa Barbara Basin deep-sea sediments: a comparison of <i>18S-V9</i> and <i>diat-rbcL</i> metabarcoding vs shotgun metagenomics Open
Sedimentary ancient DNA (sedaDNA) analyses are increasingly used to reconstruct marine ecosystems. The majority of marine sedaDNA studies use a metabarcoding approach (extraction and analysis of specific DNA fragments of a defined length),…